SKM Air Cooled Condensing Units R134a D Series Air Cooled Condesing Units Range 8 TR to 142 TR (27 kw to 501 kw) facebook.com/skmaircon www.skmaircon.com @skmaircon Sharjah Economic Excellence Award winner 1
Contents Legend... 2 Nomenclature... 2 Introduction... 2 General Features... 3 Component Features... 3 Control Panel... 4 Unit Controller... 4 Optional Features... 5 Engineering Specifications... 7 Capacity Ratings... 11 Compressor Starting... 15 Capacity Control Steps... 16 Selection Procedure... 16 Field Connections... 17 Typical Wiring Diagram... 18 Electrical Data... 19 Dimensional Data... 24 Loading Points... 27 Location & Space Requirements... 29 Unit Installation... 29 Typical Refrigerant Piping... 31 Recommended Line Sizes... 32 Guide Specification... 34 Introduction SKM D series Air cooled condensing unit are designed for the use on systems with indoor units connected to remote condensing units located outside either on ground or on roof level. SKM D units are manufactured to meet the requirements of the gulf severe climatic conditions. Legend The following abbreviations are used throughout this manual: BPF... Bypass Factor cfm... cubic feet per minute EER... Energy Efficiency Ratio Hz... Hertz inwg... inches of water gauge kw... kilowatts kg... kilogram lbs... pounds weight (British units) L/S... liters per second Nomenclature Air cooled Condensing Unit VShape Condenser Construction Power Supply 5 : 50Hz Frequency 6 : 60Hz No. of Refrigerant Circuits ACU V 5 1 008 D Y MBh...BTUH x 00 Ph... Phase Pa...Pascals PD....Pressure Drop PI... Power Input RPM...Revolutions per Minute TR... Tons of Refrigeration = 12 MBh V... Volt Power Supply Code Y: 380V415V/3Ph/50Hz P: 440V/3Ph/50Hz R: 380V/3Ph/60Hz E: 460V/3Ph/60Hz T: 220V/3Ph/60Hz Semi hermetic Reciprocating Compressor (R134a) The D Air Cooled Condensing unit are ideal for warehouses, large halls, schools, mosques, or wherever the requirement calls for a heavy duty unit with a semihermetic compressor. D series Air cooled condensing unit ( semihermetic reciprocating ) are available in 50 models covering nominal capacity ranges from 8 TR 142 TR (27 kw to 501 kw) in 50Hz and 60Hz. D Air Cooled Condensing unit are rated in accordance with AHRI365. D series provide efficient operation, wide range of design flexibility coupled with packaged concept requiring least onsite work. D series Air Cooled Condensing units are used for commercial and industrial applications where high efficient condensing units are needed to match an indoor central station AHUs or coils to get maximum performance advantages of split sytem with reasonable initial cost. SKM provides qualified service and stock of replacement parts in all major cities of the G.C.C. countries, Egypt, Jordan, and Pakistan. See back cover for details or call SKM. Nominal Capacity (TR) SKM Air Conditioning LLC SKM reserves the right to change, in part or in whole the specifications of its Air Conditioning Equipment at any time in order to add the latest technology. Therefore, the enclosed information may change without any prior notice. You name it...we cool it 2
General Features Condensers The D series is a modern, diversified and environment friendly series of air cooled condensing unit which uses R134a as a refrigerant. Condenser coils are manufactured of seamless copper tubes mechanically bonded to aluminum fins to ensure optimum heat transfer. The complete D condensing unit provides an extremely rugged, heavy duty, longlife and energy efficient that will provide higher efficiency over a long and extended life. What makes D series the pride of SKM products is the use of: Semi Hermetic Reciprocating, heavy duty, energy efficient compressors. Totally enclosed, Class F insulated, IP55 protected condenser fan motor. Heavy duty condenser optimised in design for longlife maintenance free operation. Cabinet construction specifically designed for Gulf climates. IP 54 Electrical panel. Factory installed, advanced and user friendly microprocessor based control system. Interface capability with major BMS protocols (option). The SKM D series air cooled condensing units are durable, dependable, strong, reliable, versatile, quiet and energy efficient. Wherever a heavy duty condensing unit is required, the D series should be an automatic choice. Component Features Compressor Compressors used in D series are fully accessible, semihermetic, reciprocating type. They are equipped with an oil sight glass, suction and discharge service valves and crankcase heater. All compressors are refrigerant gas cooled and equipped with an oil pressure lubrication system. The oil pump working in either direction is protected by an oil screen and a valve provided for the fitting of an oil pressure gauge. For protection, all compressors are equipped with preset internal relief valve between suction and discharge sides. The compressors are provided with vibration isolator springs underneath and therefore, external to D series, AVM s may be necessary only for critical applications. The compressor motors have inherent thermal protection. This is in addition to other standard safety and protection controls. Compressors conform to EN 12900 standards. All coils are tested against leakage by air pressure of 450 psig (30 kpa) under water. All standard coils are 2,3 or 4 rows/ 14 FPI, 3/8 (9.5 mm) O.D. tubes. An integral subcooling circuit is provided to increase the cooling capacity, without additional operating cost. For different application requirements, other optional condenser fin materials are available: Copper fins. Condenser Coil Electrotinned Copper fins. Copper finned coils with electrotinned after manufacturing. Precoated Aluminum fins. The precoated is hydrophobic polyurethane resin. This option provides substantial corrosion protection beyond standard coil construction. Aeris Guard Coil coating. The Aeris Guard Coil is a self etching high performance modified epoxy finish that is specifically designed to coat and protect Aluminum and Copper surfaces. In addition, the coating is ideal for the protection of ferrous and non ferrous materials. SKM D series, all models, are restricted to a 14 FPI (1.8 mm) fin spacing condenser coil. Gulf dust storms and the general level of available maintenance in Gulf countries ensures this condenser coil design shall provide long life and maintenancefree operation with the least possibility of operational blockage on the condenser. Ample condenser surface and sensible air flow across the condenser ensures a low temperature differential between condensing temperature and the high Gulf ambients making the D condensing unit perform efficiently and durably. 3
Condenser Fans Refrigerant Pipe work Condenser fans are propeller type, aluminium alloy blades, directly driven by electric motors. Motors are Totally Enclosed Air Over (TEAO) six pole with class F insulation and minimum IP55 protection.the TEAO and class F insulation features ensure long life and are unique for SKM. The motors are factory wired, using wires specially selected for high ambients operation, to unit control panel where the motor contactors are located to control the operation of these motors. The condenser fans are individually statically and dynamically balanced at the factory. Complete fan assembly is provided with suitable acrylic coated fan guard. Casing/Structure Condenser Fan Motor Designed for ease of handling and low cost to install. The D Air cooled condensing Units are factory assembled and mounted on a rigid base. The casing used in D condensing units is made of zinc coated galvanized steel sheets conforming to JISG3302 and ASTM A653 which is phosphatized then baked after an electrostatic powder coat of approximately 60 microns. This finish and coating passed a 00 hours in 5 % salt spray testing at 95 F (35 C) and 95% relative humidity as per ASTM B117. The entire assembly comes complete with lifting holes on the base frame for rigging and installation. Access panels are provided for easy service and maintainance Options available include hot dipped galvanized base frame and structural members aluminium/stainless steel panels on request, as an option. SKM D series Condensing units are provided with all internal piping, using ACR grade copper tubing, between compressor and condenser. Loose supplied liquid line refrigerant controls are available as an option for field installation (Please specify CRSP). When this option is ordered, the unit will be supplied with a correctly sized thermostatic expansion valve, liquid line solenoid valve, liquid line sight glass/moisture indicator and filter drier having flared or soldered ends isolatable with one shutoff valve. Shutoff valve for the other side of the filter drier can be supplied, if option CXFV is specified. Whether or not, these options are include, installation of solenoid valve in the liquid line near the evaporator is mandatory for proper operation of the unit since the unit will switch off only after a pump down cycle. Solenoid valve is to interlocked with controller as per terminals in the wiring diagram. Control Panel The unit mounted control panel enclosure is fabricated out of heavy gauge sheet steel in phosphatized powder coated baked finish. The enclosure conforms to IP54 as per guidelines in IEC 529. A hinged access door and keyfastener is provided for easy access and security. The panel is factory wired in accordance with NEC 430 & 440, labelled, tagged and features 220V / 240V controls. Compressors are with DOL or part winding starting, depending on model. Individual compressor & condenser fan motor contactors. Motor protector circuit breaker for condenser fan motors. Control circuit breaker. Unit on/off Switch. Microprocessor control boards. Control Relays. Power and control terminal blocks. Microprocessor Controller Refrigerant Charge Condensing units are shipped with nitrogen holding charge only. Piping connections D Air Cooled Condensing units piping connections come, as standard, terminated with sealed and soldered copper pipe ends. Normal installation would require the cutting off (using rollertype tube cutters) of the ends prior to connections being resoldered and connected to the field supplied refrigerant pipework. Microprocessor Controller All D series condensing units are equipped with a full function microprocessor based controller as a standard feature. The controller is factory programmed for the control of AHU fan motor, compressors and condenser fans. The controller comes with a built in keypad and display for simple but meaningful man machine interface. This controller provides complete operational control for the unit and has builtin auto diagnostic capability that can signal normal operation or alarm conditions as well as shutting down the unit or system if necessary. 4
Low suction pressure. High discharge pressure. High compressor motor temperature. (For compressors with electronic module). Compressor short cycling. The controller comes with a loose supplied sleek and elegant design room unit for installing in the conditioned space. Communication between unit controller and room unit is through two wire interface. The communication cable should be 2 core, twisted pair, unscreened with stranded conductors (as per KNX specification). Maximum distance between room unit and controller can be 700 meters. The room unit has a built in sensor for measuring the room temperature. It transmits room temperature, set point, unit operating mode, operating schedule etc. to the unit controller. Control of the compressors is based on room temperature and the set point, as standard. If unit control needs to be based on duct temperature, please specify during time of order. The Main Features of the controller are as follows: Built in LCD display with back light. Roll & push knob and 3 function buttons. Battery backed up built in real time clock. Multiple authorization level to provide tight security for the control system. Capacity control based on room temperature or return air temperature. Alarm history. A sleek & elegant design room unit. Display Information SKM D series condensing units offer LCD display which allows the operator to access different parameters of the unit. Operator can view and change the unit parameters. The display information includes: Status. Outputs. Inputs. Alarms. Set points. Password. System Control Philosophy Unit maybe enabled or disabled through the on/off switch in the unit control panel. Control is based on room temperature sensed by room unit. Compressors will be staged based on the set point and actual. room temperature. On an increase in room temperature, cooling stages will be added and on a decrease in room temperature, cooling stages will be removed from the system. System Protection Room Unit The intelligent microprocessor based controller monitors all the safeties related to the unit and makes the necessary protections, by shutting down the entire unit or the effected circuit. The protection includes: BMS Connectivity (Optional) Volt free contacts for run status, common fault status, auto mode status and provision for remote on/off shall be provided as option if required. In addition, the D microprocessor can support the major BMS protocols such as BACnet, Modbus & LON. Extra hardware may be required depending on the protocol. Optional Features Alternative Condenser Material Made of copper tubes and alternative fin material and/or protective coating. For Pre Coated aluminum fins, specify (FAP). For Aluminum Fins with Aeris Post Coat Protection, specify (FAA). For Copper Fins, specify (FC). For Copper Fins with Aeris Post Coat Protection,specify (FCA). For electrotinned Copper Fins only, specify (CFT). For Copper Finned Coils electrotinned post manufacturing, specify (FCT). Condenser Coil Guard (CGP) Galvanized wire mesh guaid with painted finish for condenser Coil.Recommended on ground level installations where coil needs to be protected against vandalism. Galvanized Frame And Base (GFB) Steel frame and base which are hot dip galvanized after manufacturing process. This is recommended for highly corrosive environments. Pressure Gauges (SDG) Suction and discharge and oil pressure indication of each refrigerant circuit. Gauges are mounted outside the Control Panel Low noise Fan and motor assembly (LNF) Can be provided for applications where minimal unit sound is required. Pressure Relief Valve To protect the unit from being overpressurized. (PRV) Marine Paint (MP) To provide increased corrosion resistance coastal environments and offshore locations. C o n d e n s e r F a n s w i t h p o l y g l y c o a t c o a t i n g ( P G F ) To provide protection against corrosion for condenser fans. Capacity Control Steps (CRS1) To provide additional capacity steps on the units. See Table 6 (Page 16) for optional steps available. 5
Isolated Condenser Fan Motors (CMS) For elimination of extraneous noise and vibration from condenser fan motor, the motors are individually isolated from the frame. Hot Gas Bypass System (GBP) With solenoid valve to enable operation of a large sized unit at low loads, like during low ambients due to application requirements. (Highly recommended for 0% fresh air application). IP55 Control Panel (ICP) Control Panel for special applications to meet IP 55 requirements. Manual Reset Type High Pressure Switch (MHP) To replace standard auto reset, capsule type pressure switch. Low Ambient Operation Kit (LAO) For unit operation down to lower than normal gulf ambient. Please specify during the time of order. High Ambient Operation kit (HAO) For operation at ambient temperature between 125ºF (52ºC) and 131ºF (55ºC) maximum. Main Isolator (Without door interlock) For main power isolation. (consult SKM) (ISO) Control Transformer (CXT) This option is necessary and available for D models rated for 440V/3PH/50Hz or 460V/3PH/60Hz or power supplies without neutral. (When ordering for these voltages, this option must be ordered). Voltage Monitoring Module (VMM) To prevent D unit operation in the event of Phase loss, Phase reversal, and Under / Over voltage on the incoming line voltage. Soft Starter (SFS) To reduce the starting current of compressors using reduced voltage starting method. Compressors will be started using electronic solid state soft starters that will ramp up the speed of the compressors to rated speed within few seconds thus reducing the mechanical & electrical stresses. Suction Pressure read out Capability (SPC) Additional transducer in suction line to display suction pressure in microprocessor. BMS Interface Volt free Contacts (BMVF) Volt free contacts for run status, common fault status, auto mode status and provision for remote on/off shall be provided as option if required. For additional requirements, please contact SKM. BMS Interface thru protocol (BMSP) For interfacing the units with major BMS protocols such as BACNet, Modbus or LON. Extra hardware may be required depending on the protocol. Condenser Fan motors with anticondensation heaters builtin (CFMA) Where application so requires. Ammeter & Phase Selector switch To indicate running AMPS of each compressor. (AMPC) Ammeter & Phase Selector switch (AMPI) To indicate running AMPS on main incomer of the unit. Voltmeter & Selector Switch For incoming line voltage. UL 1995 (VSS) (ULLISTED) Unit construction are certified and in compliance of UL 1995 safety standards. Consult SKM for availability of selected models. Voltage Monitoring Module as per DEWA (DVM) Under voltage relay as per DEWA regulations. This option is available for Dubai, UAE only. Part Winding Start (PWS) Where specifically required by local codes, compressors may be with Part Winding Start to reduce the high inrush current at starting.some of the compressors are with part winding start as standard. Refer to page 15 for more details. Unload Start Kit (USK) This option is required when the compressor needs a high starting torque such as when the load is high. Star Delta Starter (SDS) To reduce the starting current of compressors using reduced voltage starting method. Compressors will be started in Star & after few seconds it will be changed over to Delta. Circuit Breaker for Compressor (CBC) For those electrical specification calls for additional over load and short circuit protection. External Overload Protection (EOP) For those electrical specification which require additional overload protection for the compressors. Options for Field Installations Antivibration mounts (CAVM) Recommended for roof mounted units or other locations in the vicinity of occupied spaces, where noise/vibration may be objectionable. HiLo Gauges Without piping or isolating pet cocks. (CSDG) Liquid Line Controls (CRSP) Comprises of correctly sized thermostatic expansion valve, suitable solenoid valve,filter drier,sight glass and one number shutoff per circuit Extra Shut Off Valve (CXFV) Extra Shut off valve in liquid line to fully isolate the filter drier. Duct Temperature Sensor (DTS) In order to control the unit based on return / supply air duct temperature. Special custom built units incorporating specially required features like units with anticondensation resistance heaters embedded in condenser motors and for offshore application, special units with stainless steel panels can be manufactured as per customer requirement. Contact SKM for all such applications or requirements. 6
ENGINEERING SPECIFICATIONS 50 HZ 508D 5D 514D 52015D 52017D 52019D 521D 522D Cooling Capacity Cooling Capacity (1) (2) BTUH BTUH 92000 78000 6000 90000 166000 142000 180000 152000 190000 160000 2000 176000 240000 206000 270000 232000 W W 26964 22860 367 26377 48652 41618 52755 44549 55686 46893 61547 51583 70340 60375 79132 67995 Type SemiHermetic Reciprocating 1450 RPM Compressor Quantity 1 1 1 2 2 2 1 1 Oil Charge(Polyol Ester) US Gal 0.69 0.69 1.19 0.69/0.69 0.69/0.69 0.69/0.69 1.25 1.25 per Crkt (1/2/3/4) Liter 2.61 2.61 4.5 2.61/2.61 2.61/2.61 2.61/2.61 4.73 4.73 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 19.4 19.4 24.4 24.4 24.4 29.3 31.5 31.5 Face Area m² 1.8 1.8 2.3 2.3 2.3 2.7 2.9 2.9 Type Propeller direct drive 960 RPM Code / Quantity 628/2 628/2 723/2 723/2 723/2 823/2 823/2 823/2 Condenser Fan cfm 9240 8920 13240 13240 13240 17880 18180 18180 Air Flow Rate l/s 4361 42 6248 6248 6248 8438 8580 8580 Condenser Motor Type Totally enclosed, air over Class F insulation, 6pole, IP55 Size / Quantity kw 0.37/2 0.37/2 0.75/2 0.75/2 0.75/2 1.5/2 1.5/2 1.5/2 Refrigerant (R 134a) Operating Charge per Circuit lbs 9.5 14.1 18.5 9.3/9.3 12.1/8.8 11/11 24.3 25.6 (1/2/3/4) (3) kg 4.3 6.4 8.4 4.2/4.2 5.5/4 5/5 11 11.6 Number of Refrigerant Circuits 1 1 1 2 2 2 1 1 Unit Operating Weight lbs 878 915 1185 1362 1384 1467 1349 1367 kg 398 415 538 618 628 666 612 620 52022D 528D 52028D 52030D 530D 52034D 52040D 52045D Cooling Capacity Cooling Capacity (1) (2) BTUH BTUH 260000 222000 328000 278000 326000 278000 340000 288000 368000 314000 400000 342000 465000 400000 540000 465000 W W 76202 65064 96131 81477 95545 81477 99648 84408 7855 92028 117233 0234 136284 117233 158265 136284 Type SemiHermetic Reciprocating 1450 RPM Compressor Quantity 2 1 2 2 1 2 2 2 Oil Charge(Polyol Ester) US Gal 1.19/0.69 1.25 1.19/1.19 1.25/0.69 1.32 1.25/1.19 1.25/1.19 1.25/1.25 per Crkt (1/2/3/4) Liter 4.5/2.61 4.73 4.5/4.5 4.73/2.61 5 4.73/4.5 4.73/4.5 4.73/4.73 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 31.5 40.0 40.0 40.0 40.0 53.3 53.3 64.0 Face Area m² 2.9 3.7 3.7 3.7 3.7 5.0 5.0 5.9 Type Propeller direct drive 960 RPM Code / Qty. 823/2 823/3 823/3 823/3 823/3 823/3 829/3 823/4 Condenser Fan cfm 18180 26160 26160 26160 26160 27900 32040 36480 Air Flow Rate l/s 8580 12345 12345 12345 12345 13167 15120 17216 Condenser Motor Type Totally enclosed, air over Class F insulation, 6pole, IP55 Size / Qty. kw 1.5/2 1.5/3 1.5/3 1.5/3 1.5/3 1.5/3 1.5/3 1.5/4 Refrigerant (R 134a) Operating Charge per Circuit lbs 15.7/11 31.5 14.7/14.7 22.1/11 31.5 24.7/16.8 20.4/20.4 24.4/24.4 (1/2/3/4) (3) kg 7.1/5 14.3 6.7/6.7 /5 14.3 11.2/7.6 9.3/9.3 11.1/11.1 Number of Refrigerant Circuits 2 1 2 2 1 2 2 2 Unit Operating Weight lbs 1625 1745 2118 2069 2000 2418 2488 2984 kg 737 791 961 938 907 96 1128 1353 Notes: 1. Cooling capacity at 95 F (35 C) ambient temperature according to AHRI365. 2. Cooling capacity at Gulf conditions : 115 F (46.1 C) condenser entering air temperature & 45 F (7.2 C) SST. 3. Operating charge is approximate for condensing unit only and does not include refrigerant lines and evaporator coil. 4. Condensing units are shipped with nitrogen holding charge only. Table 1 7
ENGINEERING SPECIFICATIONS 50 HZ 52049D 52053D 52058D 52060D 53064D 53068D 53070D Cooling Capacity Cooling Capacity (1) (2) BTUH BTUH 590000 500000 635000 540000 690000 590000 730000 620000 755000 645000 815000 700000 855000 730000 W W 172919 146542 1868 158265 202227 172919 213951 181712 221278 189039 238863 205158 250586 213951 Type SemiHermetic Reciprocating 1450 RPM Compressor Quantity 2 2 2 2 3 3 3 Oil Charge(Polyol Ester) US Gal 1.25/1.25 1.25/1.25 1.32/1.25 1.32/1.32 1.25/1.25/1.25 1.25/1.25/1.25 1.25/1.25/1.25 per Crkt (1/2/3/4) Liter 4.73/4.73 4.73/4.73 5/4.73 5/5 4.73/4.73/4.73 4.73/4.73/4.73 4.73/4.73/4.73 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 72.0 72.0 72.0 72.0 97.5 97.5 97.5 Face Area m² 6.7 6.7 6.7 6.7 9.1 9.1 9.1 Type Propeller direct drive 960 RPM Code / Quantity 823/4 829/4 829/4 829/4 823/6 823/6 823/6 Condenser Fan cfm 37280 42880 40920 40920 54900 54900 54900 Air Flow Rate l/s 17593 20236 19311 19311 25908 25908 25908 Condenser Motor Type Totally enclosed, air over Class F insulation, 6pole, IP55 Size / Quantity kw 1.5/4 1.5/4 1.5/4 1.5/4 1.5/6 1.5/6 1.5/6 Refrigerant (R 134a) Operating Charge per Circuit lbs 30.4/24.5 26/26 38.1/31.5 33.2/33.2 27.1/27.1/27.1 28.5/28.5/28.5 28.5/28.5/28.5 (1/2/3/4) (3) kg 13.8/11.1 11.8/11.8 17.3/14.3 15.1/15.1 12.3/12.3/12.3 12.9/12.9/12.9 12.9/12.9/12.9 Number of Refrigerant Circuits 2 2 2 2 3 3 3 Unit Operating Weight lbs 3067 3063 3574 3816 5474 5506 5748 kg 1391 1389 1621 1731 2483 2497 2607 53080D 53084D 53086D 54095D 546D 54114D 54120D Cooling Capacity (1) BTUH 965000 05000 45000 1180000 1285000 1365000 1440000 W 282825 294549 306272 345838 376612 400059 422040 Cooling Capacity (2) BTUH 820000 855000 890000 05000 95000 1160000 1230000 W 240328 250586 260844 294549 320926 339977 360492 Type SemiHermetic Reciprocating 1450 RPM Compressor Quantity 3 3 3 4 4 4 4 Oil Charge(Polyol Ester) US Gal 1.25/1.25/1.25 1.32/1.25/1.25 1.32/1.32/1.25 1.25/1.25/1.25/1.25 1.25/1.25/1.25/1.25 1.32/1.32/1.25/1.25 1.32/1.32/1.32/1.32 per Crkt (1/2/3/4) Liter 4.73/4.73/4.73 5/4.73/4.73 5/5/4.73 4.73/4.73/4.73/4.73 4.73/4.73/4.73/4.73 5/5/4.73/4.73 5/5/5/5 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 97.5 97.5 97.5 130.0 130.0 130.0 130.0 Face Area m² 9.1 9.1 9.1 12.1 12.1 12.1 12.1 Type Propeller direct drive 960 RPM Code / Qty. 829/6 829/6 829/6 829/8 829/8 829/8 829/8 Condenser Fan cfm 59340 59340 59340 83360 79120 79120 79120 Air Flow Rate l/s 28004 28004 28004 39339 37338 37338 37338 Condenser Motor Type Totally enclosed, air over Class F insulation, 6pole, IP55 Size / Qty. kw 1.5/6 1.5/6 1.5/6 1.5/8 1.5/8 1.5/8 1.5/8 Refrigerant (R 134a) Operating Charge per Circuit lbs 35.8/35.8/35.8 35.9/35.9/35.9 35.9/35.9/35.9 29.3/29.3/29.3/29.3 36.6/36.6/36.6/36.6 36.6/36.6/36.6/36.6 36.6/36.6/36.6/36.6 (1/2/3/4) (3) kg 16.2/16.2/16.2 16.3/16.3/16.3 16.3/16.3/16.3 13.3/13.3/13.3/13.3 16.6/16.6/16.6/16.6 16.6/16.6/16.6/16.6 16.6/16.6/16.6/16.6 Number of Refrigerant Circuits 3 3 3 4 4 4 4 Unit Operating Weight lbs 5970 6225 6479 6991 7282 7791 8299 kg 2707 2823 2938 3171 3303 3533 3764 Notes: 1. Cooling capacity at 95 F (35 C) ambient temperature according to AHRI365. 2. Cooling capacity at Gulf conditions : 115 F (46.1 C) condenser entering air temperature & 45 F (7.2 C) SST. 3. Operating charge is approximate for condensing unit only and does not include refrigerant lines and evaporator coil. 4. Condensing units are shipped with nitrogen holding charge only. Table 1 ends 8
ENGINEERING SPECIFICATIONS 60 HZ Cooling Capacity (1) BTUH W 609D 611D BTUH 92000 8000 168000 180000 190000 2000 244000 274000 Cooling Capacity (2) W 26964 31653 49238 52755 55686 61547 71512 80305 Type SemiHermetic Reciprocating 1750 RPM Quantity 1 1 1 2 2 2 1 1 Compressor Oil Charge(Polyol Ester) US Gal 0.69 0.69 1.19 0.69/0.69 0.69/0.69 0.69/0.69 1.25 1.25 per Crkt (1/2/3/4) Liter 2.61 2.61 4.5 2.61/2.61 2.61/2.61 2.61/2.61 4.73 4.73 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 19.4 19.4 24.4 24.4 24.4 29.3 31.5 31.5 Face Area m² 1.8 1.8 2.3 2.3 2.3 2.7 2.9 2.9 Type Propeller direct drive 960 RPM Code / Quantity 628/2 628/2 723/2 723/2 723/2 823/2 823/2 823/2 Condenser Fan cfm 11200 820 15660 15660 15660 21760 22120 22120 Air Flow Rate l/s 5286 56 7390 7390 7390 269 439 439 Type Totally enclosed, air over Class F insulation, 6pole, IP55 Condenser Motor Size / Quantity kw 0.55/2 0.55/2 1.1/2 1.1/2 1.1/2 2.2/2 2.2/2 2.2/2 Refrigerant (R 134a) Operating Charge per Circuit lbs 9.5 14.3 18.7 9.4/9.4 12.1/8.8 11.1/11.1 25.8 26 (1/2/3/4) (3) kg 4.3 6.5 8.5 4.3/4.3 5.5/4 5/5 11.7 11.8 Number of Refrigerant Circuits 1 1 1 2 2 2 1 1 lbs 884 923 1195 1372 1396 1495 1380 1387 Unit Operating Weight kg 401 419 542 622 633 678 626 629 616D 62018D 62020D 8000 126000 196000 212000 224000 248000 31653 36928 57444 62134 65651 72685 62022D 624D 626D 286000 320000 83822 93787 Cooling Capacity (1) Notes: BTUH W 62026D 632D 3000 388000 386000 400000 435000 475000 BTUH 262000 330000 330000 342000 370000 405000 470000 550000 Cooling Capacity (2) W 76788 96717 96717 0234 8441 118699 137749 161196 Type SemiHermetic Reciprocating 1750 RPM Quantity 2 1 2 2 1 2 2 2 Compressor Oil Charge(Polyol Ester) US Gal 1.19/0.69 1.25 1.19/1.19 1.25/0.69 1.32 1.25/1.19 1.25/1.25 1.25/1.25 per Crkt (1/2/3/4) Liter 4.5/2.61 4.73 4.5/4.5 4.73/2.61 5 4.73/4.5 4.73/4.73 4.73/4.73 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 31.5 40.0 40.0 40.0 40.0 53.3 53.3 64.0 Face Area m² 2.9 3.7 3.7 3.7 3.7 5.0 5.0 5.9 Type Propeller direct drive 960 RPM Code / Qty. 823/2 823/3 823/3 823/3 823/3 823/3 829/3 823/4 Condenser Fan cfm 22120 31860 31860 31860 31860 33990 38700 44400 Air Flow Rate l/s 439 15035 15035 15035 15035 16041 18263 20953 Type Totally enclosed, air over Class F insulation, 6pole, IP55 Condenser Motor Size / Qty. kw 2.2/2 2.2/3 2.2/3 2.2/3 2.2/3 2.2/3 2.2/3 2.2/4 Refrigerant (R 134a) Operating Charge per Circuit lbs 15.7/11.1 31.9 16/16 23.2/11.9 31.9 26.9/16.8 21.8/21.8 24.4/24.4 (1/2/3/4) (3) kg 7.1/5 14.5 7.3/7.3.5/5.4 14.5 12.2/7.6 9.9/9.9 11.1/11.1 Number of Refrigerant Circuits 2 1 2 2 1 2 2 2 lbs 1650 1780 2152 21 2031 2457 2531 3032 Unit Operating Weight kg 748 807 976 957 921 1114 1148 1375 62032D 62034D 90856 113716 113130 117233 636D 1. Cooling capacity at 95 F (35 C) ambient temperature according to AHRI365. 2. Cooling capacity at Gulf conditions : 115 F (46.1 C) condenser entering air temperature & 45 F (7.2 C) SST. 3. Operating charge is approximate for condensing unit only and does not include refrigerant lines and evaporator coil. 4. Condensing units are shipped with nitrogen holding charge only. 62040D 62046D 62052D 550000 640000 127491 139215 161196 187573 Table 2 9
ENGINEERING SPECIFICATIONS 60 HZ Cooling Capacity (1) BTUH W 62058D 62062D BTUH 595000 635000 695000 735000 765000 830000 865000 Cooling Capacity (2) W 174385 1868 203693 215416 224209 243259 253517 Type SemiHermetic Reciprocating 1750 RPM Quantity 2 2 2 2 3 3 3 Compressor Oil Charge(Polyol Ester) US Gal 1.25/1.25 1.25/1.25 1.32/1.25 1.32/1.32 1.25/1.25/1.25 1.25/1.25/1.25 1.25/1.25/1.25 per Crkt (1/2/3/4) Liter 4.73/4.73 4.73/4.73 5/4.73 5/5 4.73/4.73/4.73 4.73/4.73/4.73 4.73/4.73/4.73 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 72.0 72.0 72.0 72.0 97.5 97.5 97.5 Face Area m² 6.7 6.7 6.7 6.7 9.1 9.1 9.1 Type Propeller direct drive 960 RPM Code / Quantity 823/4 829/4 829/4 829/4 823/6 823/6 823/6 Condenser Fan cfm 45400 51760 49560 49560 66840 66840 66840 Air Flow Rate l/s 21425 24427 23388 23388 31543 31543 31543 Type Totally enclosed, air over Class F insulation, 6pole, IP55 Condenser Motor Size / Quantity kw 2.2/4 2.2/4 2.2/4 2.2/4 2.2/6 2.2/6 2.2/6 Refrigerant (R 134a) Operating Charge per Circuit lbs 30.4/24.6 26.9/26.9 38.1/31.5 34/34 28.5/28.5/28.5 28.5/28.5/28.5 28.5/28.5/28.5 (1/2/3/4) (3) kg 13.8/11.2 12.2/12.2 17.3/14.3 15.4/15.4 12.9/12.9/12.9 12.9/12.9/12.9 12.9/12.9/12.9 Number of Refrigerant Circuits 2 2 2 2 3 3 3 lbs 3113 3113 3619 3870 5555 5579 5821 Unit Operating Weight kg 1412 1412 1641 1755 2519 2530 2640 62067D 62071D 63074D 203693 219812 240328 253517 262309 282825 63078D 63082D 695000 750000 820000 865000 895000 965000 000 296014 Cooling Capacity (1) Notes: BTUH W 63094D 1145000 1190000 1235000 1395000 1525000 BTUH 970000 000 50000 1190000 1295000 1375000 1455000 Cooling Capacity (2) W 284291 296014 307737 348769 379543 402989 426436 Type SemiHermetic Reciprocating 1750 RPM Quantity 3 3 3 4 4 4 4 Compressor Oil Charge(Polyol Ester) US Gal 1.25/1.25/1.25 1.32/1.25/1.25 1.32/1.32/1.25 1.25/1.25/1.25/1.25 1.25/1.25/1.25/1.25 1.32/1.32/1.25/1.25 1.32/1.32/1.32/1.32 per Crkt (1/2/3/4) Liter 4.73/4.73/4.73 5/4.73/4.73 5/5/4.73 4.73/4.73/4.73/4.73 4.73/4.73/4.73/4.73 5/5/4.73/4.73 5/5/5/5 Type Air cooled 2 & 3 or 4 rows 14 FPI (1.8 mm) fin spacing Cu tubes Al fins Condenser Coil ft² 97.5 97.5 97.5 130.0 130.0 130.0 130.0 Face Area m² 9.1 9.1 9.1 12.1 12.1 12.1 12.1 Type Propeller direct drive 960 RPM Code / Qty. 829/6 829/6 829/6 829/8 829/8 829/8 829/8 Condenser Fan cfm 72000 72000 72000 0880 96000 96000 96000 Air Flow Rate l/s 33978 33978 33978 47607 45304 45304 45304 Type Totally enclosed, air over Class F insulation, 6pole, IP55 Condenser Motor Size / Qty. kw 2.2/6 2.2/6 2.2/6 2.2/8 2.2/8 2.2/8 2.2/8 Refrigerant (R 134a) Operating Charge per Circuit lbs 35.9/35.9/35.9 35.9/35.9/35.9 35.9/35.9/35.9 29.3/29.3/29.3/29.3 36.6/36.6/36.6/36.6 36.6/36.6/36.6/36.6 36.6/36.6/36.6/36.6 (1/2/3/4) (3) kg 16.3/16.3/16.3 16.3/16.3/16.3 16.3/16.3/16.3 13.3/13.3/13.3/13.3 16.6/16.6/16.6/16.6 16.6/16.6/16.6/16.6 16.6/16.6/16.6/16.6 Number of Refrigerant Circuits 3 3 3 4 4 4 4 lbs 6043 6296 6548 7089 7380 7885 8389 Unit Operating Weight kg 2741 2855 2970 3215 3347 3576 3805 1. Cooling capacity at 95 F (35 C) ambient temperature according to AHRI365. 2. Cooling capacity at Gulf conditions : 115 F (46.1 C) condenser entering air temperature & 45 F (7.2 C) SST. 3. Operating charge is approximate for condensing unit only and does not include refrigerant lines and evaporator coil. 4. Condensing units are shipped with nitrogen holding charge only. 63098D 630D 64113D 64124D 64132D 64140D 1620000 1705000 335580 348769 361958 408851 446952 474795 499707 Table 2 ends
CAPACITY RATINGS 50 HZ 508D 5D 514D 521D 522D 528D 530D 52015D 52017D 52019D 52022D 52028D 52030D 52034D 52040D Note: Condenser Entering Air Temperature ºF (ºC) SST 95 F (35 C) 5 F (40 C) 115 F (46 C) 125 (52 C) Total Capacity PI* Total Capacity PI* Total Capacity PI* Total Capacity PI* F C MBH kw kw MBH kw kw MBH kw kw MBH kw kw 35 1.7 74.6 21.9 6.1 68.8 20.2 6.4 63.0 18.5 6.7 57.2 16.8 7.0 40 4.4 83.2 24.4 6.4 76.8 22.5 6.8 70.5 20.7 7.1 64.3 18.8 7.5 45 7.2 92.4 27.1 6.7 85.5 25.1 7.1 78.7 23.1 7.5 71.8 21.0 7.9 50.0 2.2 30.0 7.0 94.8 27.8 7.5 87.3 25.6 8.0 79.9 23.4 8.4 35 1.7 86.3 25.3 6.9 79.3 23.2 7.2 72.3 21.2 7.5 65.4 19.2 7.8 40 4.4 96.5 28.3 7.2 88.8 26.0 7.6 81.3 23.8 8.0 73.7 21.6 8.3 45 7.2 7.4 31.5 7.6 99.1 29.0 8.0 90.9 26.6 8.4 82.6 24.2 8.8 50.0 119.0 34.9 7.9 1.1 32.3 8.4 1.2 29.7 8.9 92.3 27.0 9.3 35 1.7 135.5 39.7.9 125.3 36.7 11.5 115.1 33.7 12.0 4.9 30.7 12.6 40 4.4 150.4 44.1 11.4 139.3 40.8 12.1 128.3 37.6 12.7 117.2 34.3 13.4 45 7.2 166.4 48.8 11.9 154.3 45.2 12.7 142.3 41.7 13.4 130.3 38.2 14.1 50.0 183.3 53.7 12.5 170.3 49.9 13.3 157.2 46.1 14.0 144.2 42.3 14.9 35 1.7 196.2 57.5 16.4 181.3 53.1 17.3 166.3 48.7 18.0 151.3 44.4 18.8 40 4.4 217.9 63.9 17.3 201.8 59.1 18.3 185.5 54.4 19.2 169.3 49.6 20.1 45 7.2 241.1 70.7 18.2 223.6 65.5 19.3 206.0 60.4 20.3 188.5 55.3 21.4 50.0 265.8 77.9 19.1 246.9 72.4 20.3 227.9 66.8 21.5 209.1 61.3 22.7 35 1.7 222.5 65.2 20.0 206.3 60.5 21.0 189.9 55.7 21.9 173.7 50.9 22.9 40 4.4 246.3 72.2 21.1 228.6 67.0 22.2 2.9 61.8 23.2 193.4 56.7 24.4 45 7.2 271.5 79.6 22.3 252.4 74.0 23.4 233.3 68.4 24.6 214.5 62.9 26.0 50.0 298.3 87.4 23.4 277.6 81.4 24.7 257.0 75.3 26.1 236.9 69.4 27.7 35 1.7 268.4 78.7 23.5 247.8 72.6 24.6 227.2 66.6 25.5 206.6 60.6 26.5 40 4.4 297.5 87.2 24.7 275.0 80.6 25.9 252.6 74.0 27.0 230.1 67.4 28.2 45 7.2 328.5 96.3 25.9 304.0 89.1 27.2 279.6 81.9 28.4 255.0 74.8 29.8 50.0 361.2 5.9 27.3 334.7 98.1 28.6 308.1 90.3 30.0 281.5 82.5 31.5 35 1.7 302.4 88.6 29.6 279.3 81.9 30.6 256.2 75.1 31.6 233.1 68.3 32.7 40 4.4 334.7 98.1 31.4 309.7 90.8 32.6 284.7 83.4 33.8 259.7 76.1 35.1 45 7.2 368.9 8.1 33.1 341.9 0.2 34.6 314.9 92.3 36.0 287.8 84.4 37.6 50.0 405.0 118.7 34.9 375.9 1.2 36.6 346.8 1.6 38.3 317.6 93.1 40.2 35 1.7 145.9 42.8 12.4 134.5 39.4 13.0 123.1 36.1 13.6 111.8 32.8 14.1 40 4.4 162.5 47.6 13.1 150.0 44.0 13.8 137.6 40.3 14.4 125.2 36.7 15.1 45 7.2 180.1 52.8 13.8 166.6 48.8 14.5 153.2 44.9 15.3 139.7 40.9 16.1 50.0 198.9 58.3 14.4 184.3 54.0 15.3 169.8 49.8 16.2 155.1 45.5 17.2 35 1.7 154.6 45.3 13.3 142.2 41.7 13.9 129.8 38.1 14.4 117.5 34.4 15.0 40 4.4 172.1 50.5 14.1 158.6 46.5 14.8 145.2 42.6 15.4 131.7 38.6 16.1 45 7.2 190.8 55.9 14.8 176.2 51.6 15.6 161.6 47.4 16.4 146.9 43.1 17.2 50.0 2.7 61.8 15.6 194.9 57.1 16.5 179.1 52.5 17.3 163.2 47.8 18.3 35 1.7 169.6 49.7 13.9 155.7 45.6 14.6 142.0 41.6 15.1 128.3 37.6 15.6 40 4.4 189.3 55.5 14.7 174.3 51.1 15.4 159.3 46.7 16.0 144.4 42.3 16.7 45 7.2 2.4 61.7 15.4 194.1 56.9 16.2 177.9 52.2 17.0 161.7 47.4 17.8 50.0 233.0 68.3 16.1 215.4 63.1 17.1 197.8 58.0 18.0 180.2 52.8 18.9 35 1.7 213.4 62.6 18.2 196.7 57.7 19.1 180.0 52.8 19.9 163.3 47.9 20.7 40 4.4 236.9 69.4 19.2 218.8 64.1 20.2 200.6 58.8 21.1 182.5 53.5 22.1 45 7.2 261.9 76.8 20.2 242.3 71.0 21.3 222.6 65.2 22.4 202.9 59.5 23.5 50.0 288.4 84.5 21.2 267.2 78.3 22.4 245.9 72.1 23.6 224.5 65.8 25.0 35 1.7 266.8 78.2 22.0 246.7 72.3 23.2 226.5 66.4 24.3 206.3 60.5 25.4 40 4.4 296.0 86.8 23.1 274.0 80.3 24.4 252.1 73.9 25.7 230.2 67.5 27.0 45 7.2 327.0 95.8 24.2 303.1 88.9 25.7 279.4 81.9 27.1 255.5 74.9 28.5 50.0 359.8 5.5 25.4 334.0 97.9 26.9 308.3 90.4 28.5 282.5 82.8 30.1 35 1.7 277.0 81.2 23.6 255.5 74.9 24.7 233.8 68.5 25.7 212.2 62.2 26.8 40 4.4 307.9 90.2 24.9 284.5 83.4 26.2 261.0 76.5 27.4 237.5 69.6 28.7 45 7.2 340.8 99.9 26.3 315.4 92.4 27.7 290.0 85.0 29.1 264.7 77.6 30.6 50.0 375.7 1.1 27.6 348.3 2.1 29.2 320.9 94.1 30.8 293.6 86.1 32.6 35 1.7 327.6 96.0 27.6 302.7 88.7 29.0 277.7 81.4 30.3 252.8 74.1 31.6 40 4.4 363.5 6.5 29.1 336.5 98.6 30.6 309.4 90.7 32.1 282.3 82.8 33.7 45 7.2 401.8 117.8 30.5 372.5 9.2 32.3 343.1 0.6 34.0 313.9 92.0 35.8 50.0 442.3 129.6 32.0 4.7 120.4 34.0 379.0 111.1 35.9 347.5 1.8 38.0 35 1.7 383.3 112.3 33.4 353.9 3.7 35.0 324.4 95.1 36.5 295.0 86.5 38.1 40 4.4 425.0 124.6 35.3 393.1 115.2 37.1 361.2 5.9 38.9 329.4 96.5 40.8 45 7.2 469.4 137.6 37.3 434.9 127.5 39.3 400.4 117.4 41.3 366.2 7.3 43.6 50.0 516.4 151.4 39.2 479.2 140.5 41.5 442.1 129.6 43.8 405.5 118.8 46.4 Table 3 * Power Input mentioned in these pages should not be used for Cable/Fuse selection. MCA & MFA Values given in the electrical data (Pages 19 to 23) should be referred for the same. Computer Print outs for matched ratings with SKM Air Handling Units are available. 11
CAPACITY RATINGS 50 HZ 52045D 52049D 52053D 52058D 52060D 53064D 53068D 53070D 53080D 53084D 53086D 54095D 546D 54114D 54120D Note: Condenser Entering Air Temperature ºF (ºC) SST 95 F (35 C) 5 F (40 C) 115 F (46 C) 125 (52 C) Total Capacity PI* Total Capacity PI* Total Capacity PI* Total Capacity PI* F C MBH kw kw MBH kw kw MBH kw kw MBH kw kw 35 1.7 445.7 130.6 39.9 413.2 121.1 41.9 380.4 111.5 43.8 347.9 2.0 45.8 40 4.4 493.3 144.6 42.2 458.0 134.2 44.4 422.5 123.8 46.5 387.4 113.6 48.8 45 7.2 543.9 159.4 44.5 505.6 148.2 46.8 467.3 137.0 49.2 429.7 125.9 51.9 50.0 597.6 175.2 46.7 556.2 163.0 49.3 515.0 151.0 52.1 474.7 139.1 55.2 35 1.7 484.3 141.9 43.8 447.8 131.2 45.9 411.1 120.5 47.7 374.6 9.8 49.8 40 4.4 535.9 157.1 46.3 496.1 145.4 48.5 456.3 133.8 50.6 416.7 122.1 53.0 45 7.2 590.6 173.1 48.7 547.5 160.5 51.1 504.3 147.8 53.5 461.5 135.3 56.3 50.0 648.4 190.1 51.2 601.8 176.4 53.9 555.1 162.7 56.6 508.9 149.2 59.7 35 1.7 523.6 153.5 47.7 483.1 141.6 49.7 442.6 129.7 51.6 402.1 117.8 53.7 40 4.4 579.3 169.8 50.3 535.2 156.9 52.5 491.1 143.9 54.6 446.8 131.0 57.1 45 7.2 638.3 187.1 52.9 590.3 173.0 55.3 542.4 159.0 57.7 494.2 144.8 60.7 50.0 700.4 205.3 55.7 648.5 190.1 58.3 596.5 174.8 61.0 544.2 159.5 64.2 35 1.7 567.6 166.4 53.3 524.1 153.6 55.4 480.6 140.9 57.3 437.0 128.1 59.4 40 4.4 628.4 184.2 56.3 581.1 170.3 58.7 533.8 156.5 60.9 486.5 142.6 63.5 45 7.2 692.8 203.0 59.3 641.5 188.0 62.0 590.3 173.0 64.6 539.0 158.0 67.7 50.0 760.8 223.0 62.4 705.4 206.8 65.4 650.1 190.5 68.5 594.5 174.3 71.9 35 1.7 600.7 176.1 59.4 554.7 162.6 61.4 508.8 149.1 63.4 462.8 135.6 65.6 40 4.4 664.5 194.8 63.0 614.8 180.2 65.4 565.0 165.6 67.8 515.2 151.0 70.5 45 7.2 732.0 214.6 66.6 678.3 198.8 69.4 624.6 183.1 72.3 570.8 167.3 75.6 50.0 803.3 235.4 70.2 745.4 218.5 73.5 687.5 201.5 76.9 629.5 184.5 80.8 35 1.7 616.8 180.8 52.7 570.8 167.3 55.4 524.3 153.7 57.9 478.0 140.1 60.4 40 4.4 684.5 200.6 55.6 634.4 185.9 58.6 584.0 171.2 61.4 534.0 156.5 64.4 45 7.2 756.5 221.7 58.5 702.3 205.8 61.9 647.8 189.9 65.1 593.9 174.1 68.6 50.0 833.2 244.2 61.4 774.5 227.0 65.1 715.8 209.8 68.8 657.9 192.8 72.9 35 1.7 669.5 196.2 59.8 620.7 181.9 62.8 571.5 167.5 65.6 522.7 153.2 68.6 40 4.4 741.1 217.2 63.2 688.1 201.7 66.5 634.8 186.1 69.6 582.2 170.6 73.1 45 7.2 817.3 239.6 66.6 759.8 222.7 70.2 702.3 205.8 73.7 645.7 189.3 77.7 50.0 898.1 263.2 69.9 835.9 245.0 73.9 774.0 226.9 78.0 713.5 209.1 82.7 35 1.7 702.8 206.0 64.1 650.2 190.6 67.0 597.4 175.1 69.8 544.9 159.7 72.9 40 4.4 777.4 227.8 67.7 720.2 211.1 70.9 662.9 194.3 74.1 606.0 177.6 77.7 45 7.2 856.5 251.0 71.3 794.4 232.9 74.8 732.5 214.7 78.4 671.1 196.7 82.7 50.0 940.1 275.5 75.0 873.0 255.9 78.9 806.2 236.3 83.1 740.2 216.9 87.9 35 1.7 792.1 232.2 71.2 731.0 214.3 74.3 670.0 196.4 77.2 608.8 178.4 80.2 40 4.4 877.0 257.0 74.9 8.4 237.5 78.4 743.8 218.0 81.6 677.1 198.4 85.2 45 7.2 966.9 283.4 78.9 894.5 262.2 82.5 822.1 241.0 86.1 749.4 219.7 90.4 50.0 61.9 311.2 82.9 983.4 288.2 86.9 904.8 265.2 90.9 826.0 242.1 95.6 35 1.7 825.5 242.0 77.3 761.9 223.3 80.4 698.4 204.7 83.3 634.8 186.1 86.4 40 4.4 913.4 267.7 81.7 844.3 247.5 85.1 775.2 227.2 88.4 706.0 206.9 92.3 45 7.2 06.5 295.0 86.1 931.5 273.0 89.9 856.6 251.1 93.8 781.4 229.0 98.3 50.0 14.6 323.8 90.6 23.6 300.0 94.9 942.5 276.2 99.3 861.2 252.4 4.4 35 1.7 858.3 251.6 83.5 792.3 232.2 86.5 726.3 212.9 89.4 660.2 193.5 92.6 40 4.4 949.1 278.2 88.4 877.6 257.2 91.9 806.0 236.2 95.4 734.3 215.2 99.3 45 7.2 45.2 306.3 93.4 967.8 283.7 97.4 890.4 261.0 1.5 812.7 238.2 6.3 50.0 1146.5 336.0 98.4 63.0 311.6 3.0 979.4 287.1 7.8 895.6 262.5 113.3 35 1.7 969.5 284.1 87.6 896.4 262.7 91.7 823.1 241.3 95.4 750.1 219.8 99.5 40 4.4 72.8 314.4 92.5 993.3 291.1 96.9 913.7 267.8 1.1 834.4 244.6 5.9 45 7.2 1182.5 346.6 97.4 96.2 321.3 2.1 09.9 296.0 6.9 924.0 270.8 112.5 50.0 1298.4 380.6 2.4 1205.0 353.2 7.6 1111.7 325.8 113.1 19.1 298.7 119.4 35 1.7 56.2 309.6 94.9 974.7 285.7 99.1 893.3 261.8 2.9 811.8 237.9 7.0 40 4.4 1169.3 342.7 99.9 80.5 316.7 4.5 991.7 290.7 8.8 902.7 264.6 113.7 45 7.2 1289.3 377.9 5.1 1192.7 349.6 1.0 96.1 321.3 114.8 999.2 292.9 120.6 50.0 1415.9 415.0 1.6 1311.2 384.3 115.8 1206.4 353.6 121.2 11.3 322.8 127.5 35 1.7 1122.7 329.1 7.2 36.2 303.7 111.3 949.9 278.4 115.1 863.4 253.1 119.4 40 4.4 1241.8 364.0 113.3 1148.0 336.5 118.0 54.3 309.0 122.5 960.3 281.5 127.7 45 7.2 1367.9 400.9 119.6 1266.4 371.2 124.8 1164.8 341.4 130.2 62.9 311.5 136.4 50.0 1500.9 439.9 126.0 1391.2 407.8 131.9 1281.4 375.6 138.0 1171.3 343.3 145.1 35 1.7 1187.3 348.0 119.4 96.1 321.3 123.5 04.9 294.5 127.4 913.5 267.7 131.7 40 4.4 1312.2 384.6 126.8 1213.6 355.7 131.6 1114.9 326.8 136.4 16.1 297.8 141.8 45 7.2 1444.3 423.3 134.3 1337.8 392.1 139.8 1231.3 360.9 145.7 1124.6 329.6 152.3 50.0 1583.4 464.1 141.7 1468.7 430.5 148.2 1354.0 396.8 155.2 1239.0 363.1 163.1 Table 3 ends * Power Input mentioned in these pages should not be used for Cable/Fuse selection. MCA & MFA Values given in the electrical data (Pages 19 to 23) should be referred for the same. Computer Print outs for matched ratings with SKM Air Handling Units are available. 12
CAPACITY RATINGS 60 HZ 609D 611D 616D 624D 626D 632D 636D 62018D 62020D 62022D 62026D 62032D 62034D 62040D 62046D Note: Condenser Entering Air Temperature ºF (ºC) SST 95 F (35 C) 5 F (40 C) 115 F (46 C) 125 (52 C) Total Capacity PI* Total Capacity PI* Total Capacity PI* Total Capacity PI* F C MBH kw kw MBH kw kw MBH kw kw MBH kw kw 35 1.7 88.8 26.0 7.4 81.9 24.0 7.8 75.0 22.0 8.2 68.1 20.0 8.5 40 4.4 99.0 29.0 7.8 91.4 26.8 8.3 83.9 24.6 8.7 76.3 22.4 9.1 45 7.2 9.8 32.2 8.2 1.6 29.8 8.7 93.4 27.4 9.2 85.2 25.0 9.7 50.0 121.4 35.6 8.6 112.5 33.0 9.2 3.6 30.4 9.7 94.7 27.8.3 35 1.7 3.0 30.2 8.4 94.6 27.7 8.8 86.3 25.3 9.1 78.0 22.9 9.4 40 4.4 115.1 33.7 8.8 5.9 31.1 9.3 96.9 28.4 9.7 87.8 25.7.1 45 7.2 128.0 37.5 9.2 118.1 34.6 9.8 8.3 31.7.2 98.4 28.8.7 50.0 141.8 41.6 9.6 131.1 38.4.2 120.4 35.3.8 9.7 32.2 11.4 35 1.7 161.1 47.2 13.3 148.9 43.6 14.0 136.7 40.1 14.7 124.6 36.5 15.3 40 4.4 178.7 52.4 14.0 165.4 48.5 14.7 152.2 44.6 15.5 139.0 40.7 16.3 45 7.2 197.4 57.9 14.6 183.0 53.6 15.5 168.7 49.4 16.3 154.3 45.2 17.2 50.0 217.2 63.7 15.3 201.7 59.1 16.2 186.1 54.6 17.2 170.6 50.0 18.2 35 1.7 233.3 68.4 20.0 215.5 63.2 21.0 197.6 57.9 21.9 179.7 52.7 22.9 40 4.4 258.9 75.9 21.1 239.5 70.2 22.3 220.1 64.5 23.3 200.8 58.8 24.5 45 7.2 286.1 83.9 22.3 265.1 77.7 23.6 244.1 71.6 24.8 223.3 65.5 26.2 50.0 315.0 92.3 23.5 292.4 85.7 24.8 269.8 79.1 26.3 247.5 72.5 27.8 35 1.7 264.2 77.4 24.3 244.8 71.7 25.5 225.2 66.0 26.7 205.9 60.3 28.0 40 4.4 292.1 85.6 25.8 270.9 79.4 27.1 249.8 73.2 28.4 229.0 67.1 29.9 45 7.2 321.6 94.3 27.2 298.7 87.5 28.7 275.9 80.9 30.2 253.7 74.3 31.9 50.0 352.8 3.4 28.6 328.1 96.2 30.3 303.7 89.0 32.0 279.9 82.0 34.0 35 1.7 318.7 93.4 28.7 294.1 86.2 29.9 269.5 79.0 31.0 244.9 71.8 32.2 40 4.4 352.8 3.4 30.2 326.0 95.5 31.5 299.2 87.7 32.8 272.4 79.8 34.3 45 7.2 389.0 114.0 31.7 359.8 5.5 33.2 330.7 96.9 34.7 301.5 88.4 36.3 50.0 427.2 125.2 33.3 395.6 116.0 34.9 364.0 6.7 36.5 332.3 97.4 38.4 35 1.7 358.2 5.0 36.0 330.7 96.9 37.2 303.2 88.9 38.4 275.7 80.8 39.7 40 4.4 395.9 116.0 38.3 366.2 7.3 39.7 336.4 98.6 41.1 306.6 89.9 42.7 45 7.2 435.7 127.7 40.5 403.6 118.3 42.2 371.5 8.9 43.9 339.3 99.4 45.9 50.0 477.7 140.0 42.8 443.1 129.9 44.7 408.5 119.7 46.8 373.8 9.6 49.3 35 1.7 173.2 50.8 15.1 159.6 46.8 15.8 146.0 42.8 16.5 132.4 38.8 17.2 40 4.4 192.6 56.4 16.0 177.7 52.1 16.8 163.0 47.8 17.6 148.2 43.4 18.4 45 7.2 213.2 62.5 16.8 197.2 57.8 17.8 181.1 53.1 18.7 165.0 48.4 19.7 50.0 235.2 68.9 17.7 217.8 63.8 18.8 200.4 58.7 19.8 182.9 53.6 21.0 35 1.7 183.2 53.7 16.3 168.4 49.4 16.9 153.7 45.1 17.6 138.9 40.7 18.2 40 4.4 203.7 59.7 17.2 187.7 55.0 18.0 171.6 50.3 18.7 155.5 45.6 19.6 45 7.2 225.5 66.1 18.2 208.1 61.0 19.1 190.7 55.9 20.0 173.2 50.8 21.0 50.0 248.6 72.9 19.1 229.9 67.4 20.2 211.0 61.9 21.2 192.0 56.3 22.5 35 1.7 201.6 59.1 17.0 185.1 54.3 17.7 168.8 49.5 18.3 152.4 44.7 19.0 40 4.4 224.8 65.9 17.9 206.9 60.6 18.8 189.1 55.4 19.5 171.3 50.2 20.3 45 7.2 249.6 73.2 18.8 230.3 67.5 19.8 2.9 61.8 20.7 191.5 56.1 21.7 50.0 276.1 80.9 19.7 255.1 74.8 20.8 234.2 68.6 21.9 213.2 62.5 23.1 35 1.7 253.3 74.2 22.2 233.4 68.4 23.2 213.5 62.6 24.2 193.5 56.7 25.2 40 4.4 280.9 82.3 23.5 259.2 76.0 24.6 237.6 69.6 25.7 215.9 63.3 26.9 45 7.2 3.1 90.9 24.7 286.7 84.0 26.0 263.2 77.2 27.3 239.7 70.2 28.7 50.0 341.0 99.9 26.0 315.7 92.5 27.4 290.3 85.1 28.9 264.8 77.6 30.6 35 1.7 317.0 92.9 26.9 292.9 85.9 28.3 268.8 78.8 29.6 244.7 71.7 30.9 40 4.4 351.2 2.9 28.3 325.0 95.3 29.8 298.9 87.6 31.3 272.7 79.9 32.8 45 7.2 387.5 113.6 29.7 359.1 5.3 31.4 330.7 96.9 33.0 302.3 88.6 34.8 50.0 425.9 124.8 31.1 395.2 115.8 33.0 364.5 6.8 34.8 333.7 97.8 36.8 35 1.7 328.8 96.4 28.7 303.0 88.8 30.0 277.2 81.2 31.3 251.4 73.7 32.6 40 4.4 364.9 7.0 30.4 336.9 98.8 31.9 308.9 90.5 33.4 281.0 82.4 35.0 45 7.2 403.3 118.2 32.2 373.1 9.3 33.8 342.8 0.5 35.5 312.7 91.6 37.4 50.0 444.1 130.2 33.8 411.4 120.6 35.7 378.8 111.0 37.7 346.4 1.5 39.9 35 1.7 389.8 114.3 33.5 360.0 5.5 35.2 330.1 96.8 36.8 300.3 88.0 38.4 40 4.4 432.1 126.6 35.4 399.7 117.2 37.3 367.3 7.7 39.1 335.1 98.2 41.1 45 7.2 477.0 139.8 37.3 442.0 129.5 39.4 406.9 119.3 41.5 372.1 9.1 43.8 50.0 524.5 153.7 39.2 486.7 142.7 41.5 449.0 131.6 43.9 411.5 120.6 46.5 35 1.7 454.4 133.2 40.7 419.3 122.9 42.5 384.0 112.6 44.4 349.0 2.3 46.3 40 4.4 503.2 147.5 43.2 465.1 136.3 45.3 427.0 125.1 47.5 389.2 114.1 49.8 45 7.2 554.9 162.6 45.7 513.7 150.6 48.1 472.7 138.5 50.6 432.1 126.7 53.4 50.0 609.6 178.7 48.2 565.3 165.7 50.9 521.2 152.8 53.7 477.9 140.1 57.0 Table 4 * Power Input mentioned in these pages should not be used for Cable/Fuse selection. MCA & MFA Values given in the electrical data (Pages 19 to 23) should be referred for the same. Computer Print outs for matched ratings with SKM Air Handling Units are available. 13
CAPACITY RATINGS 60 HZ 62052D 62058D 62062D 62067D 62071D 63074D 63078D 63082D 63094D 63098D 630D 64113D 64124D 64132D 64140D Note: Condenser Entering Air Temperature ºF (ºC) SST 95 F (35 C) 5 F (40 C) 115 F (46 C) 125 (52 C) Total Capacity PI* Total Capacity PI* Total Capacity PI* Total Capacity PI* F 50.0 C 609.6 MBH 178.7 kw 48.2 kw 565.3 MBH 165.7 kw 50.9 kw 521.2 MBH 152.8 kw 53.7 kw 477.9 MBH 140.1 kw 57.0 kw 35 1.7 529.4 155.2 48.6 490.4 143.7 51.0 451.2 132.2 53.4 412.5 120.9 55.9 40 4.4 585.2 171.5 51.4 542.9 159.1 54.1 500.5 146.7 56.8 458.9 134.5 59.7 45 7.2 644.5 188.9 54.3 598.6 175.5 57.3 553.0 162.1 60.3 508.4 149.0 63.6 50.0 707.1 207.3 57.2 657.7 192.8 60.5 608.7 178.4 64.0 561.1 164.5 67.9 35 1.7 575.4 168.6 53.4 531.7 155.8 55.8 488.0 143.0 58.0 444.4 130.3 60.5 40 4.4 635.9 186.4 56.4 588.4 172.5 59.0 540.9 158.5 61.7 493.7 144.7 64.6 45 7.2 700.0 205.2 59.5 648.5 190.1 62.4 597.0 175.0 65.4 546.0 160.0 68.8 50.0 767.5 225.0 62.6 711.8 208.6 65.8 656.4 192.4 69.2 601.4 176.3 73.1 35 1.7 620.2 181.8 58.2 571.9 167.6 60.5 523.7 153.5 62.7 475.4 139.3 65.3 40 4.4 685.2 200.8 61.4 632.6 185.4 64.0 580.1 170.0 66.6 527.4 154.6 69.6 45 7.2 753.8 220.9 64.7 696.7 204.2 67.6 639.6 187.5 70.6 582.3 170.7 74.0 50.0 825.9 242.1 68.1 764.2 224.0 71.2 702.3 205.9 74.5 640.2 187.6 78.5 35 1.7 675.1 197.9 64.8 623.1 182.6 67.2 571.2 167.4 69.5 519.1 152.2 72.0 40 4.4 746.6 218.8 68.5 690.1 202.3 71.3 633.7 185.7 74.0 577.2 169.2 77.1 45 7.2 822.2 241.0 72.4 761.0 223.1 75.5 699.9 205.1 78.7 638.6 187.2 82.4 50.0 901.8 264.3 76.3 835.9 245.0 79.7 769.8 225.6 83.4 703.5 206.2 87.8 35 1.7 713.8 209.2 72.2 658.9 193.1 74.5 604.1 177.1 76.8 549.1 160.9 79.4 40 4.4 788.7 231.2 76.7 729.4 213.8 79.5 670.0 196.4 82.4 6.5 178.9 85.6 45 7.2 867.8 254.4 81.3 803.8 235.6 84.6 739.7 216.8 88.1 675.4 198.0 92.1 50.0 951.1 278.8 85.9 882.2 258.6 89.7 813.2 238.3 93.8 743.9 218.0 98.8 35 1.7 733.7 215.0 64.1 678.5 198.9 67.3 622.9 182.6 70.3 567.6 166.4 73.5 40 4.4 813.2 238.3 67.8 753.2 220.8 71.4 693.0 203.1 74.9 633.3 185.6 78.6 45 7.2 897.7 263.1 71.5 832.8 244.1 75.6 767.8 225.0 79.5 703.6 206.2 83.9 50.0 987.4 289.4 75.2 917.3 268.9 79.7 847.4 248.4 84.2 778.6 228.2 89.3 35 1.7 795.5 233.2 72.8 737.0 216.0 76.5 678.1 198.8 80.0 620.0 181.7 83.7 40 4.4 879.6 257.8 77.1 816.0 239.2 81.1 752.3 220.5 85.1 689.8 202.2 89.4 45 7.2 968.7 283.9 81.3 899.9 263.8 85.8 831.3 243.7 90.3 764.3 224.0 95.3 50.0 63.0 311.6 85.6 988.8 289.8 90.6 915.2 268.2 95.8 843.6 247.3 1.6 35 1.7 833.9 244.4 78.1 771.0 226.0 81.6 708.0 207.5 85.0 645.4 189.2 88.8 40 4.4 921.2 270.0 82.6 852.8 250.0 86.5 784.5 229.9 90.5 716.9 2.1 94.9 45 7.2 13.5 297.1 87.2 939.5 275.4 91.5 865.7 253.7 96.0 792.9 232.4 1.2 50.0 11.8 325.6 91.8 30.9 302.2 96.6 951.5 278.9 1.8 873.3 256.0 7.8 35 1.7 941.8 276.0 86.8 868.8 254.6 90.3 795.9 233.3 93.6 722.8 211.9 97.3 40 4.4 41.5 305.3 91.4 961.9 281.9 95.4 882.5 258.6 99.3 802.8 235.3 3.7 45 7.2 1146.9 336.2 96.2 60.5 3.8 0.6 974.1 285.5 5.0 887.4 260.1 1.1 50.0 1258.0 368.7 1.1 1164.5 341.3 5.8 70.8 313.8 1.8 976.7 286.3 116.6 35 1.7 980.8 287.5 94.1 904.9 265.2 97.6 829.1 243.0 1.0 753.0 220.7 4.8 40 4.4 83.9 317.7 99.5 01.5 293.5 3.6 919.0 269.4 7.6 836.4 245.1 112.2 45 7.2 1192.8 349.6 5.1 13.5 323.4 9.6 14.1 297.2 114.3 924.4 271.0 119.8 50.0 1307.5 383.2 1.7 1211.0 355.0 115.7 1114.4 326.6 121.1 17.3 298.2 127.5 35 1.7 19.0 298.7 1.5 940.2 275.6 5.0 861.5 252.5 8.4 782.6 229.4 112.3 40 4.4 1125.5 329.9 7.7 40.1 304.9 111.8 954.8 279.8 115.9 869.2 254.8 120.8 45 7.2 1237.8 362.8 114.0 1145.6 335.8 118.7 53.3 308.7 123.7 960.6 281.6 129.5 50.0 1356.0 397.4 120.4 1256.6 368.3 125.7 1157.0 339.1 131.5 56.9 309.8 138.6 35 1.7 1148.8 336.7 6.9 61.5 311.1 111.6 974.1 285.5 116.2 887.2 260.0 121.2 40 4.4 1269.4 372.1 112.9 1174.6 344.3 118.2 79.7 316.5 123.5 985.4 288.8 129.4 45 7.2 1397.1 409.5 119.1 1294.2 379.3 124.9 1191.5 349.2 130.9 89.6 319.4 137.8 50.0 1531.7 448.9 125.4 1420.5 416.4 131.8 1309.7 383.9 138.6 1200.0 351.7 146.5 35 1.7 1255.7 368.1 115.7 1158.4 339.5 120.4 61.2 311.0 124.8 963.8 282.5 129.8 40 4.4 1388.6 407.0 121.9 1282.6 375.9 127.2 1176.6 344.9 132.4 70.3 313.7 138.2 45 7.2 1529.2 448.2 128.3 1414.0 414.4 134.1 1298.8 380.7 140.0 1183.2 346.8 146.8 50.0 1677.4 491.6 134.8 1552.6 455.1 141.1 1427.7 418.5 147.7 1302.3 381.7 155.4 35 1.7 1333.3 390.8 130.4 1230.2 360.6 135.1 1127.2 330.4 139.6 23.9 300.1 144.7 40 4.4 1473.1 431.8 138.1 1361.2 399.0 143.5 1249.3 366.2 149.0 1137.2 333.3 155.3 45 7.2 1620.6 475.0 146.0 1499.5 439.5 152.2 1378.4 404.0 158.7 1256.9 368.4 166.2 50.0 1775.9 520.5 154.0 1645.2 482.2 160.9 1514.4 443.9 168.4 1383.0 405.3 177.3 35 1.7 1408.6 412.9 145.2 1299.8 381.0 149.8 1191.0 349.1 154.4 81.9 317.1 159.7 40 4.4 1554.9 455.7 154.4 1437.3 421.3 160.0 1319.6 386.8 165.8 1201.7 352.2 172.5 45 7.2 1709.1 500.9 163.9 1582.3 463.8 170.5 1455.3 426.6 177.5 1328.0 389.2 185.9 50.0 1871.2 548.4 173.5 1734.8 508.5 181.1 1598.0 468.4 189.5 1460.7 428.1 199.9 Table 4 ends * Power Input mentioned in these pages should not be used for Cable/Fuse selection. MCA & MFA Values given in the electrical data (Pages 19 to 23) should be referred for the same. Computer Print outs for matched ratings with SKM Air Handling Units are available. 14
Compressor Starting The D Units standard mode of compressor starting is given as per Table No. 5. Maximum Instantaneous Current Flow (ICF) as shown in Electrical Specifications, Pages 19 23, must be used in determining the need for part winding start for models with DOL as standard. If part winding start is required, please specify option PWS at enquiry/order, available only for the models shown with PWS as option in Table 5. Power Supply ( V/Ph/Hz ) 380~415/3/50, 380/3/60, 460/3/60 440/3/50 220/3/60 Standard Option Standard Option Standard Option 508D 609D 5D 611D 514D 616D 52015D 62018D DOL PWS 52017D 62020D DOL PWS DOL 52019D 62022D 521D 624D 522D 626D PWS 52022D 62026D DOL PWS 528D 632D PWS PWS PWS 52028D 62032D 52030D 62034D DOL PWS DOL DOL PWS 530D 636D PWS ** PWS 52034D 62040D DOL PWS 52040D 62046D 52045D 62052D DOL PWS DOL 52049D 62058D 52053D 62062D PWS 52058D 62067D PWS 52060D 62071D ** 53064D 63074D 53068D 63078D DOL PWS DOL 53070D 63082D PWS 53080D 63094D PWS 53084D 63098D PWS 53086D 630D ** 54095D 64113D DOL PWS DOL 546D 64124D PWS 54114D 64132D PWS 54120D 64140D ** ** For Details, Please consult SKM Table 5 15
Capacity Control Steps The Standard Capacity Control Steps are shown below. Standard Number of Steps Optional Number of Steps 508D 609D 00 1 0500 2 5D 611D 00 1 0500 2 514D 616D 00 1 0500 2 52015D 62018D 0500 2 07550250 4 52017D 62020D 0530 2 07753270 4 52019D 62022D 0500 2 07550250 4 521D 624D 00 1 0670 2 522D 626D 00 1 0670 2 52022D 62026D 06 2 081613 4 528D 632D 00 1 0670 2 52028D 62032D 0500 2 07550250 4 52030D 62034D 0700 2 08570460 4 530D 636D 00 1 0750 2 52034D 62040D 0590 2 08059390 4 52040D 62046D 0500 2 08350330 4 52045D 62052D 0500 2 08350330 4 52049D 62058D 0540 2 08454360 4 52053D 62062D 0500 2 08350330 4 52058D 62067D 0540 2 08454400 4 52060D 62071D 0500 2 08850380 4 53064D 63074D 068370 3 089685837240 6 53068D 63078D 066330 3 089675533220 6 53070D 63082D 069370 3 089695837250 6 53080D 63094D 066330 3 089675533220 6 53084D 63098D 068370 3 089685837270 6 53086D 630D 070350 3 090706135260 6 54095D 64113D 07754270 4 0927769544527180 8 546D 64124D 07550250 4 0927567504225170 8 54114D 64132D 07754270 4 0927769544727200 8 54120D 64140D 07550250 4 0947569504425190 8 Table 6 Selection Procedure Example The following information should be determined: 1. Required total capacity = 430 MBh (126 kw) 2. Saturated suction temperature = 50 F ( C) 3. Condenser entering air temperature = 115 F (46 C) 4. Power Supply (V/Ph/Hz) = 380/3/50 Enter capacity ratings from Table 3 at 115 F (46 C) condenser entering air temperature and select model 52040D having a cooling capacity of 442.1 MBh (129.6 kw) at 50 F ( C) saturated suction temperature, compressor motor power input is 43.8 kw. For further details refer to physical data and specifications sheets. Capacity ratings are based on sea level operation. Above sea level, apply the following corrections method. Actual capacity (at level) = Sea level capacity x altitude correction factor (from Table 7). Altitude Correction Factors The unit ratings are based on sea level. Above sea level apply the following correction factors: Altitude Capacity Power feet meter Multiplier Multiplier 0 0 1 1 2000 6 0.99 1.01 4000 1219 0.98 1.02 6000 1829 0.97 1.03 8000 2438 0.96 1.04 000 3048 0.95 1.05 Table 7 16
Field Connections D series selfcontained heavy duty air cooled condensing units are designed for minimum field interaction. Power hookups for AHU starter and fan interlock and control wiring of room unit as per Electrical hookup diagram is all that is required to electrically connect any model of D series. Every D series condensing unit requires, at most, field installed fused disconnect switches or circuit breakers, and room unit. Refer below for a schematic representation of required field electrical hookups for a standard D series condensing unit. All field wiring must be done in accordance with applicable local and national codes. For maximum recommended fuse sizes and minimum circuit amps for cable sizing, see Page 19 23 of this bulletin. The D series is then ready to provide cooling, on demand. Field Wiring Requirement Schematic 3 PHASE, 3 WIRE SYSTEM 440V/3PH/50Hz 220V/3PH/60Hz 460V/3PH/60Hz L1 L2L3 N CIRCUIT BREAKER OR FUSED DISCONNECT SWITCH (NOT BY SKM) ** L N L1 L2 L3 N CIRCUIT BREAKER OR FUSED DISCONNECT SWITCH (NOT BY SKM) L1 L2 L3 N 3 PHASE, 4 WIRE SYSTEM 380415V/3PH/50Hz 380V/3PH/60Hz L1 L2 GROUND E 3 PHASE, 4 WIRE SYSTEM 380415V/3PH/50Hz 380V/3PH/60Hz EFM STARTER INTERLOCK TO AHU AHU STARTER BOX (BY OTHERS) CUSTOMER SUPPLIED AND INSTALLED FIELD ACCESSORY (CONTACTOR, OVERLOAD RELAY & ON/OFF CONTROL etc.) FAN INTERLOCK FROM AHU DOL/STAR DELTA ROOM UNIT (LOOSESUPPLY) U V W M 3 ~ CE+ + CE E AIR HANDLING UNIT D SERIES CONTROL PANEL REFER ACTUAL WIRING DIAGRAM FURNISHED WITH THE UNIT FOR EXACT IDENTIFICATION OF WIRE NUMBERS. 2 CORE UNSCREENED TWISTED PAIR CABLE (BY OTHERS) LINE VOLTAGE FIELD WIRING LOW VOLTAGE FIELD WIRING ** D SERIES UNITS RATEDFOR 440V/3PH/50Hz, 460V/3PH/60Hz, ORPOWER SUPPLIES WITH OUTNEUTRAL REQUIRESEPARATE SOURCEOF CONTROLPOWERSUPPLY THRUFIELD SUPPLIED & INSTALLED 15A/220VFUSED CONTROL DISCONNECT SWITCH OR ORDER WITH FACTORYBUILTIN OPTION ' CXT '. 17
I I Typical Wiring Diagram MICROPROCESSOR CONTROLLER 24V 24~ G0 T9 Q12 Q11 Q14 T Q22 Q21 Q24 Q33 Q34 Q43 Q44 T11 Q53 TFR E C3 C4 C5 C6 CR3 220~ 240V T8 _ CFM1 CFM2 Q64 Q54 Q73 CFM3 CFM4 EFM HPS1 HPS2 Q74 Q84 T12 C D01 D02 T13 DL1 DN DL2 TIP THI CCH1 CCH2 C1 CR1 C2 CR2 INFO ESC RS485 PB OK C1 C2 B1 T1 B2 M M B3 T2 X1 M X2 5V= 24V= X3 M X4 T3 X5 M DISC. PRESSURE1 DISC. PRESSURE2 X6 5V= L1 L2 L3 N N L1 C1 MCB1 CM1 MCB2 G G CS 24~ _ LPS1 LPS2 24V= T4 X7 M X8 D1 M D2 T5 DU1 DG DU2 T6 A+ RUN/STOP B REF T7 CE+ CE 2CORE UNSCREENED TWISTED PAIR CABLE (BY OTHERS) ** POWERSUPPLY MPCB1 MPCB2 MPCB3 MPCB4 I> I> I> I> I> I> I> I> I> I> I> I> C2 C3 C4 C5 C6 L CM2 CFM1 CFM2 CFM3 CFM4 M CR4 CR5 ROOM UNIT (LOOSESUPPLY) + M MP1 MP2 11 L 1 P 1 CR4 CR5 N 14 L 11 2 N 12 14 2 12 M L OPS1 M OPS2 CR6 CR7 OPS1 OPS2 MP1 MP2 CR6 CR7 P VOLTFREECONTACTTO MATCHINGAHUFOR CR3 EFMSTARTER INTERLOCK CR1 CR2 LSV1 LSV2 OFH1 R COMP.1 LSV1 OFH2 R COMP.2 LSV2 (BY OTHERS) FAN INTERLOCK FROM AHU CR8 * * PROVIDE OVERCURRENT, EARTH FAULT PROTECTION,SHORT CIRCUITAND DISCONNECT MEANS AS REQUIREDBYLOCAL & NATIONAL ELECTRICCODE. NOTE: * * * Typical wiring diagramgivenhereisfor unitswith380~ 415/3/50 or 380/3/60, 4 wire power supplies. Wiringdiagramsfor 440/3/50, 220/3/60 or460/3/60 power supplies are available on request. For 440/3/50 or 460/3/60 or power supplies without neutral, CXT option is a must. L EGEND SWITCH OFH OIL P PRESSURE ACTIVATED FAILURE HEATER TFR TRANSFORMER OPS OIL PRESSURESWITCH CS CONTROL SWITCH MP MOTOR PROTECTOR C CONTACTOR MPCB MOTOR PROTECTOR CIRCUT BREAKER CCH CRANK CASE HEATER OL OVERLOADRELAY MCB MINIATURECIRCUIT BREAKER LSV LIQUID LINE SOLENOID VALVE CFM CONDENSER FAN MOTOR EFM EVAPORATORFANMOTOR CM COMPRESSOR MOTOR CR CONTROL RELAY LPS LOW PRESSURE SWITCH FIELD WIRING HPS HIGH PRESSURESWITCH CR8 FAN INTERLOCK 18
ELECTRICAL DATA LEGEND: MFA Unit Characteristic MCA ICF Compressor Power Supply: 380~415V/3PH/50Hz Condenser Fan Motor DOL PWS QTY RLA LRA QTY FLA LRA 508D 50 25 118 73 1 17 113 2 1.1 3.9 5D 50 28 137 84 1 19 132 2 1.1 3.9 514D 80 43 222 138 1 29 211 2 2.4 8.9 52015D 63 45 141 96 2 17 113 2 2.4 8.9 52017D 80 48 160 8 1 + 1 19 + 17 132 + 113 2 2.4 8.9 52019D 80 53 172 119 2 19 132 2 3.9 17.2 521D 125 65 296 186 1 44 275 2 3.9 17.2 522D 160 77 383 238 1 54 362 2 3.9 17.2 52022D 0 65 251 167 1 + 1 29 + 19 211 + 132 2 3.9 17.2 528D 200 2 267 1 71 404 3 3.9 17.2 52028D 125 79 265 181 2 29 211 3 3.9 17.2 52030D 160 88 319 209 1 + 1 44 + 19 275 + 132 3 3.9 17.2 530D 200 117 384 1 83 513 3 3.9 17.2 52034D 160 98 329 219 1 + 1 44 + 29 275 + 211 3 3.9 17.2 52040D 160 113 344 234 2 44 275 3 3.9 17.2 52045D 200 139 445 300 2 54 362 4 3.9 17.2 52049D 250 160 487 325 1 + 1 71 + 54 404 + 362 4 3.9 17.2 52053D 250 177 342 2 71 404 4 3.9 17.2 52058D 315 192 459 1 + 1 83 + 71 513 + 404 4 3.9 17.2 52060D 315 204 471 2 83 513 4 3.9 17.2 53064D 250 181 487 342 1 + 2 54 + 44 362 + 275 6 3.9 17.2 53068D 315 201 507 362 3 54 362 6 3.9 17.2 53070D 315 222 549 387 1 + 2 71 + 54 404 + 362 6 3.9 17.2 53080D 400 256 421 3 71 404 6 3.9 17.2 53084D 400 271 538 1 + 2 83 + 71 513 + 404 6 3.9 17.2 53086D 400 283 550 2 + 1 83 + 71 513 + 404 6 3.9 17.2 54095D 400 301 628 466 2 + 2 71 + 54 404 + 362 8 3.9 17.2 546D 500 335 500 4 71 404 8 3.9 17.2 54114D 500 362 629 2 + 2 83 + 71 513 + 404 8 3.9 17.2 54120D 500 386 653 4 83 513 8 3.9 17.2 Table 8 MFA MCA Maximum Fuse Ampere (For Fuse/ circuit breaker sizing complies with NEC Article 44022 & 43052. Minimum Circuit Amps (For Wire sizing), complies with NEC Article 44033. DOL PWS LRA Direct On Line Start Part Winding Start Locked Rotor Amps RLA Rated Load Amps (at Worst operating Condition). FLA Full Load Amps ICF Maximum Instantaneous Current Flow. Note : Voltage imbalance not to exceed ± 2 % of the rated voltage 19
ELECTRICAL DATA MFA Unit Characteristic MCA ICF Compressor Power Supply: 440V/3PH/50Hz Condenser Fan Motor DOL PWS QTY RLA LRA QTY FLA LRA 508D 50 29 9 1 20 5 2 0.95 3.42 5D 63 33 127 1 23 123 2 0.95 3.42 514D 0 51 206 1 36 196 2 2.1 7.6 52015D 80 51 135 2 20 5 2 2.1 7.6 52017D 80 55 153 1 + 1 23 + 20 123 + 5 2 2.1 7.6 52019D 0 61 164 2 23 123 2 3.5 14.7 521D 125 62 274 1 42 256 2 3.5 14.7 522D 160 74 355 1 52 337 2 3.5 14.7 52022D 125 77 237 1 + 1 36 + 23 196 + 123 2 3.5 14.7 528D 200 98 341 1 68 376 3 3.5 14.7 52028D 160 94 254 2 36 196 3 3.5 14.7 52030D 160 88 301 1 + 1 42 + 23 256 + 123 3 3.5 14.7 530D For Details, Please consult SKM 52034D 160 1 314 1 + 1 42 + 36 256 + 196 3 3.5 14.7 52040D 160 7 320 2 42 256 3 3.5 14.7 52045D 200 133 414 2 52 337 4 3.5 14.7 52049D 250 153 453 1 + 1 68 + 52 376 + 337 4 3.5 14.7 52053D 250 169 413 2 68 376 4 3.5 14.7 52058D 52060D For Details, Please consult SKM 53064D 250 172 453 1 + 2 52 + 42 337 + 256 6 3.5 14.7 53068D 250 192 473 3 52 337 6 3.5 14.7 53070D 315 212 512 1 + 2 68 + 52 376 + 337 6 3.5 14.7 53080D 315 244 488 3 68 376 6 3.5 14.7 53084D 53086D For Details, Please consult SKM 54095D 400 287 587 2 + 2 68 + 52 376 + 337 8 3.5 14.7 546D 400 319 563 4 68 376 8 3.5 14.7 54114D 54120D For Details, Please consult SKM LEGEND: Table 9 MFA MCA Maximum Fuse Ampere (For Fuse/ circuit breaker sizing complies with NEC Article 44022 & 43052. Minimum Circuit Amps (For Wire sizing), complies with NEC Article 44033. DOL PWS LRA Direct On Line Start Part Winding Start Locked Rotor Amps RLA Rated Load Amps (at Worst operating Condition). FLA Full Load Amps ICF Maximum Instantaneous Current Flow. Note : Voltage imbalance not to exceed ± 2 % of the rated voltage 20
ELECTRICAL DATA MFA Unit Characteristic MCA ICF Compressor Power Supply: 380V/3PH/60Hz Condenser Fan Motor DOL PWS QTY RLA LRA QTY FLA LRA 609D 50 30 149 92 1 20 143 2 1.5 4.5 611D 63 34 174 7 1 23 168 2 1.5 4.5 616D 0 53 281 174 1 36 268 2 3.1 9.6 62018D 80 53 176 119 2 20 143 2 3.1 9.6 62020D 80 57 201 134 1 + 1 23 + 20 168 + 143 2 3.1 9.6 62022D 0 64 214 147 2 23 168 2 5.3 17.5 624D 160 80 372 232 1 54 349 2 5.3 17.5 626D 200 95 483 299 1 66 460 2 5.3 17.5 62026D 125 81 314 207 1 + 1 36 + 23 268 + 168 2 5.3 17.5 632D 250 127 336 1 87 513 3 5.3 17.5 62032D 160 99 332 225 2 36 268 3 5.3 17.5 62034D 200 8 400 261 1 + 1 54 + 23 349 + 168 3 5.3 17.5 636D 250 144 462 1 1 620 3 5.3 17.5 62040D 200 121 413 274 1 + 1 54 + 36 349 + 268 3 5.3 17.5 62046D 200 139 431 292 2 54 349 3 5.3 17.5 62052D 250 172 559 375 2 66 460 4 5.3 17.5 62058D 315 198 612 407 1 + 1 87 + 66 513 + 460 4 5.3 17.5 62062D 315 219 428 2 87 513 4 5.3 17.5 62067D 400 236 554 1 + 1 1 + 87 620 + 513 4 5.3 17.5 62071D 400 250 568 2 1 620 4 5.3 17.5 63074D 315 224 612 428 1 + 2 66 + 54 460 + 349 6 5.3 17.5 63078D 315 248 636 452 3 66 460 6 5.3 17.5 63082D 400 275 689 484 1 + 2 87 + 66 513 + 460 6 5.3 17.5 63094D 500 317 526 3 87 513 6 5.3 17.5 63098D 500 334 652 1 + 2 1 + 87 620 + 513 6 5.3 17.5 630D 500 348 666 2 + 1 1 + 87 620 + 513 6 5.3 17.5 64113D 500 372 787 581 2 + 2 87 + 66 513 + 460 8 5.3 17.5 64124D 630 414 623 4 87 513 8 5.3 17.5 64132D 630 446 764 2 + 2 1 + 87 620 + 513 8 5.3 17.5 64140D 630 474 792 4 1 620 8 5.3 17.5 LEGEND: Table MFA MCA Maximum Fuse Ampere (For Fuse/ circuit breaker sizing complies with NEC Article 44022 & 43052. Minimum Circuit Amps (For Wire sizing), complies with NEC Article 44033. DOL PWS LRA Direct On Line Start Part Winding Start Locked Rotor Amps RLA Rated Load Amps (at Worst operating Condition). FLA Full Load Amps ICF Maximum Instantaneous Current Flow. Note : Voltage imbalance not to exceed ± 2 % of the rated voltage 21
ELECTRICAL DATA MFA Unit Characteristic MCA ICF Compressor Power Supply: 460V/3PH/60Hz Condenser Fan Motor DOL PWS QTY RLA LRA QTY FLA LRA 609D 50 26 120 74 1 17 113 2 1.3 5.2 611D 50 28 139 86 1 19 132 2 1.3 5.2 616D 80 46 226 142 1 30 211 2 3.1 11.8 62018D 63 46 145 0 2 17 113 2 3.1 11.8 62020D 80 49 164 111 1 + 1 19 + 17 132 + 113 2 3.1 11.8 62022D 80 55 177 124 2 19 132 2 5 21 624D 125 68 301 191 1 45 275 2 5 21 626D 160 81 388 243 1 55 362 2 5 21 62026D 125 69 256 172 1 + 1 30 + 19 211 + 132 2 5 21 632D 200 6 273 1 71 404 3 5 21 62032D 125 85 272 188 2 30 211 3 5 21 62034D 160 92 325 215 1 + 1 45 + 19 275 + 132 3 5 21 636D 250 122 390 1 84 513 3 5 21 62040D 160 3 336 226 1 + 1 45 + 30 275 + 211 3 5 21 62046D 200 118 351 241 2 45 275 3 5 21 62052D 250 146 453 308 2 55 362 4 5 21 62058D 250 166 495 333 1 + 1 71 + 55 404 + 362 4 5 21 62062D 315 182 349 2 71 404 4 5 21 62067D 315 198 466 1 + 1 84 + 71 513 + 404 4 5 21 62071D 315 184 361 2 72 362 4 5 21 63074D 250 191 498 353 1 + 2 55 + 45 362 + 275 6 5 21 63078D 315 211 518 373 3 55 362 6 5 21 63082D 315 231 560 398 1 + 2 71 + 55 404 + 362 6 5 21 63094D 400 263 430 3 71 404 6 5 21 63098D 400 279 547 1 + 2 84 + 71 513 + 404 6 5 21 630D 400 292 560 2 + 1 84 + 71 513 + 404 6 5 21 64113D 400 312 641 479 2 + 2 71 + 55 404 + 362 8 5 21 64124D 500 344 511 4 71 404 8 5 21 64132D 500 373 641 2 + 2 84 + 71 513 + 404 8 5 21 64140D 500 399 667 4 84 513 8 5 21 LEGEND: Table 11 MFA MCA Maximum Fuse Ampere (For Fuse/ circuit breaker sizing complies with NEC Article 44022 & 43052. Minimum Circuit Amps (For Wire sizing), complies with NEC Article 44033. DOL PWS LRA Direct On Line Start Part Winding Start Locked Rotor Amps RLA Rated Load Amps (at Worst operating Condition). FLA Full Load Amps ICF Maximum Instantaneous Current Flow. Note : Voltage imbalance not to exceed ± 2 % of the rated voltage 22
ELECTRICAL DATA MFA Unit Characteristic MCA ICF Compressor Power Supply: 220V/3PH/60Hz Condenser Fan Motor DOL PWS QTY RLA LRA QTY FLA LRA 609D 0 48 248 153 1 33 238 2 2.5 7.5 611D 0 55 288 177 1 38 278 2 2.5 7.5 616D 160 85 466 289 1 58 444 2 5.4 16.7 62018D 125 87 293 198 2 33 238 2 5.4 16.7 62020D 160 93 333 222 1 + 1 38 + 33 278 + 238 2 5.4 16.7 62022D 160 6 355 244 2 38 278 2 9 29.7 624D 250 131 386 1 89 579 2 9 29.7 626D 315 156 496 1 9 762 2 9 29.7 62026D 200 131 521 343 1 + 1 58 + 38 444 + 278 2 9 29.7 632D 400 208 533 1 143 808 3 9 29.7 62032D 250 160 550 372 2 58 444 3 9 29.7 62034D 315 178 665 433 1 + 1 89 + 38 579 + 278 3 9 29.7 636D 500 238 909 1 167 1230 3 9 29.7 62040D 315 198 685 453 1 + 1 89 + 58 579 + 444 3 9 29.7 62046D 400 229 484 2 89 579 3 9 29.7 62052D 400 283 623 2 9 762 4 9 29.7 62058D 500 326 651 1 + 1 143 + 9 808 + 762 4 9 29.7 62062D 630 360 685 2 143 808 4 9 29.7 62067D 630 390 61 1 + 1 167 + 143 1230 + 808 4 9 29.7 62071D 630 414 85 2 167 1230 4 9 29.7 63074D 500 370 7 1 + 2 9 + 89 762 + 579 6 9 29.7 63078D 630 4 750 3 9 762 6 9 29.7 63082D 630 453 778 1 + 2 143 + 9 808 + 762 6 9 29.7 63094D 800 521 846 3 143 808 6 9 29.7 63098D 800 551 1222 1 + 2 167 + 143 1230 + 808 6 9 29.7 630D 800 575 1246 2 + 1 167 + 143 1230 + 808 6 9 29.7 64113D 800 614 939 2 + 2 143 + 9 808 + 762 8 9 29.7 64124D 00 682 07 4 143 808 8 9 29.7 64132D 00 736 1407 2 + 2 167 + 143 1230 + 808 8 9 29.7 64140D 00 784 1455 4 167 1230 8 9 29.7 LEGEND: Table 12 MFA MCA Maximum Fuse Ampere (For Fuse/ circuit breaker sizing complies with NEC Article 44022 & 43052. Minimum Circuit Amps (For Wire sizing), complies with NEC Article 44033. DOL PWS LRA Direct On Line Start Part Winding Start Locked Rotor Amps RLA Rated Load Amps (at Worst operating Condition). FLA Full Load Amps ICF Maximum Instantaneous Current Flow. Note : Voltage imbalance not to exceed ± 2 % of the rated voltage 23
s 508D5D & 609D611D Dimensional Data s: 508D5D & 609D611D s 508D5D & 609D611D LEGEND 1 CONDENSER FAN 2 CONDENSER COIL 3 CONTROL PANEL 4 COMPRESSOR ALL DIMENSIONS ARE IN INCHES [mm] A1 A3 A2 A4 3 45 [1143] 68 [1727] VENTILATION PLATE FOR ON BOTH SIDES SUCTIONØ 51.6 [1312] DETACHABLE PLATE FOR CABLE ENTRY 18 [457] LIQUIDØ RIGGING HOLES Ø0.79 [20] 4 Nos. 7 [178] s 514D to 52022D & 616D to 62026D 8 [203] ACCESS 3.9 [0] s: 514D 52022D & 616D 62026D s 514D to 52022D & 616D to 62026D LEGEND 1 LEGEND2 CONDENSER COIL 1 CONDENSER 3 CONTROL FAN PANEL 4 COMPRESSOR MODEL DIMENSIONS ALL DIMENSIONS ARE LIN INCHES W [mm] H A B *514D 56 74 51.65 20.67 *616D [1422] [1880] [1312] [525] 52015D 56 74 51.65 18 18 62018D [1422] [1880] [1312] [457] [457] 52017D 56 76 51.65 18 18 62020D [1422] [1930] [1312] [457] [457] 52019D 56 84 59.65 18 18 62022D [1422] [2134] [1515] [457] [457] *521D 58 84 59.65 20.67 *624D [1473] [2134] [1515] [525] *522D 58 84 59.65 22.72 *626D [1473] [2134] [1515] [577] 52022D 58 84 59.65 20.67 18 62026D [1473] [2134] [1515] [525] [457] *MODEL WITH ONE COMPRESSOR DIM.12" INSTEAD OF " & 4" FOR ONE COMPRESSOR MODEL ALL DIMENSIONS ARE IN INCHES [mm] 3 CONDENSER FAN 2 CONDENSER 4 COMPRESSOR COIL 3 CONTROL ALL DIMENSIONS PANEL ARE IN INCHES [mm] 3 L L 1 1 Table 13 A1 A2 A1 A3 A2 A4 W W A3 A4 VENTILATION ON BOTH ON BOTH SIDES SIDES 2 H 2 SUCTION #1 LIQUID #1 H SUCTION #1 LIQUID #1 SUCTION #2 LIQUID #2 RIGGING HOLES Ø0.79 [20] 4 Nos. SUCTION #2 LIQUID #2 RIGGING HOLES Ø0.79 [20] 4 Nos. DETACHABLE PLATE DETACHABLE FOR CABLE PLATE ENTRYFOR CABLE ENTRY 3.94 [0] A 3.94 [0] A B B 4 4 7 [178] 4* [1] * 7 [178] ACCESS 4* [1] * ACCESS 4 * [1] * 7 [178] 4 * [1] * 7 [178] 24
SKM Air Cooled Condensing Units Dimensional Data s 528D to 52040D & 632D to 62046D s: 528D 52040D & 632D 62046D A1 A3 LEGEND 1 CONDENSER FAN 2 CONDENSER COIL s 528D to 52040D & 632D to 62046D A1 4 COMPRESSOR ALL DIMENSIONS ARE IN INCHES [mm] A3 A2 3 CONTROL PANEL LEGEND 1 CONDENSER FAN DIMENSIONS MODEL COIL 2 CONDENSER H A 3 CONTROL PANEL *528D 60.63 24.8 4 COMPRESSOR *632D [1540] [630] ALL DIMENSIONS ARE IN INCHES [mm] 52028D 60.63 20.67 62032D 52030D 62034D *530D *636D 52034D 62040D 52040D 62046D A4 A2 A4 76 [1930] 3 [1540] 60.63 [1540] 60.63 [1540] 76.65 [1947] 76.65 [1947] [525] 20.67 [525] 24.8 [630] 20.67 [525] 20.67 [525] B 20.67 [525] 18 [457] 20.67 [525] 20.67 [525] *MODEL WITH ONE COMPRESSOR DIM.12" INSTEAD OF " & 4" FOR ONE COMPRESSOR MODOL Table 14 ALL DIMENSIONS ARE IN INCHES [mm] 88 [2235] 76 1 [1930] 3 88 [2235] SUCTION #1 1 SUCTION #2 SUCTION #1 2 VENTILATION ON BOTH SIDES VENTILATION SUCTION #2 LIQUID #1 2 LIQUID #2 LIQUID #2 H LIQUID #1 4* [2] 4* [2] ACCESS ACCESS * * * 7 [178] B 4 *4 * [2] [2] 7 [178] 77 [178] [178] 4 4 B AA 3.9 DETACHABLE DETACHABLE PLATE FOR PLATE FOR CABLE ENTRY CABLE ENTRY 3.9 [0] [0] H ON BOTH SIDES * s 52045D to 52060D & 62052D to 62071D s: 52045D 52060D & 62052D 62071D s 52045Dto 52060D & 62052D to 62071D LEGEND 1 LEGEND CONDENSER FAN 2 CONDENSER COIL A3 A1 A1 1 CONDENSER FAN 3 CONTROL PANEL 2 CONDENSER COIL 4 COMPRESSOR 3 CONTROL ALL DIMENSIONS AREPANEL IN INCHES [mm] A3 4 COMPRESSOR DIMENSIONS MODEL H ARE IN INCHES A ALL DIMENSIONS [mm]b H SUCTION #2 SUCTION #1 SUCTION #2 ACCESS 4 [2] LIQUID #2 B 8 [203] 4 [2] A 25 8 [203] ACCESS 8 [203] 4 Table 15 LIQUID #2 LIQUID #1 4.92 [125] RIGGING HOLES Ø.79 [20] 4 Nos. 23.7 [602] 23.7 [602] 25.79 [655] 25.79 [655] 25.79 [655] B 2 4 DETACHABLE PLATE FOR CABLE ENTRY LIQUID #1 4.92 [125] DETACHABLE PLATE FOR CABLE ENTRY 88 [2235] SUCTION #1 2 1 3 FILTERED VENTILATION ON BOTH SIDES A4 1 3 84 [2134] 88 [2235] A FILTERED VENTILATION ON BOTH SIDES 23.7 [602] 25.79 [655] 25.79 [655] 25.79 [655] 25.79 [655] ALL DIMENSIONS ARE IN INCHES [mm] 84 [2134] H A2 A4 77.63 [1972] 85.63 [2175] 85.63 [2175] 85.63 [2175] 85.63 [2175] 8 [203] A2 52045D 62052D 52049D 62058D 52053D 62062D 52058D 62067D 52060D 62071D
SKM Air Cooled Condensing Units Dimensional Data s 53064D to 53086D & 63074D to 630D s: 53064D 53086D & 63074 630D A1 LEGEND 1 CONDENSER FAN s 53064D to 53086D & 63074D to 630D 2 CONDENSER COIL 3 CONTROL PANEL 1 CONDENSER FAN ALL 2 DIMENSIONS CONDENSER ARE COILIN INCHES [mm] CIRCUITA CIRCUITB CIRCUITC 3 CONTROL PANEL 4 COMPRESSOR ALL DIMENSIONS ARE IN INCHES [mm] A3 A1 LEGEND 4 COMPRESSOR A3 A5 A5 CIRCUITA CIRCUITB CIRCUITC A4 A2 A2 88 [2235] A4 47 [1195] 135.6 [3445] 1 2 A6 88.6 [2250] 1 88.6 [2250] 2 47 [1195] 88 [2235] A6 135.6 [3445] 12 [305] PARTITION 12 [305] PARTITION 3 5.92 5.92 [2690] [2690] 95.2995.29 [2420][2420] 3 FILTERED VENTILATION FILTERED ON BOTH SIDES LIQUID Øx3Nos. VENTILATION ON BOTH SIDES LIQUID Øx3Nos. 4.924.92 [125][125] 29.529.5 DETACHABLE [750][750] PLATE FOR DETACHABLE CABLE PLATE FOR ENTRY CABLE ENTRY SUCTION Øx3Nos. SUCTION Øx3Nos. RIGGING HOLES 4 4 RIGGING HOLES Ø8/7 [22] x 4 Nos. Ø8/7 [22] x 4 Nos. s: 54095D 54120D &toto64113 54095D 64113D 64140D 64140D s s 54095D to54120d 54120D && 64113D 64140D LEGEND LEGEND 1 CONDENSER FAN 1 CONDENSER FAN 20 20 [508][508] A1 A3 A2 A4 A1 2 CONDENSER COIL 2 CONDENSER COIL A5 A3 A7 A5 A7 3 CONTROL PANEL 3 CONTROL PANEL 4 COMPRESSOR 4 COMPRESSOR ALL DIMENSIONS ARE IN INCHES [mm] ALL DIMENSIONS ARE IN INCHES [mm] CIRCUITA CIRCUITA CIRCUITB CIRCUITC CIRCUITB CIRCUITD CIRCUITC CIRCUITD A2 88 [2235] 88.6 [2250] 88.6 [2250] PARTITION 88 [2235] A6 177.2 A4 [4500] A8 A6 177.2 [4500] 1 2 A8 88.6 PARTITION [2250] 1 2 PARTITION 88.6 [2250] PARTITION 12 [305] 12 [305] 3 6.92 [2715] 95.29 [2420] 3 FILTERED VENTILATION ON BOTH SIDES LIQUID Øx4Nos. 26 29.5 [750] 29.5 [750] 5.92 [150] 6.92 [2715] 95.29 [2420] 5.92 [150] FILTERED VENTILATION DETACHABLE BOTH SIDES PLATEON FOR CABLE ENTRY LIQUID Øx4Nos. SUCTION Øx4Nos. SUCTION Øx4Nos. 4 RIGGING HOLES Ø8/7 [22] x 4 Nos. 4 RIGGING HOLES Ø8/7 [22] x 4 Nos. DETACHABLE PLATE FOR CABLE ENTRY 4 4
LOADING POINTS 50 Hz 508D 5D 514D 52015D 52017D 52019D 521D 522D 52022D 528D 52028D 52030D 530D 52034D 52040D 52045D 52049D 52053D 52058D 52060D 53064D 53068D 53070D 53080D 53084D 53086D 54095D 546D 54114D 54120D UNIT LOADING POINTS A1 A2 A3 A4 A5 A6 A7 A8 TOTAL WEIGHT Ib. 221 209 236 209 876 Kg. 0 95 7 95 397 Ib. 232 221 245 221 917 Kg. 5 0 111 0 416 Ib. 300 280 324 280 1184 Kg. 136 127 147 127 537 Ib. 342 329 364 329 1363 Kg. 155 149 165 149 618 Ib. 348 337 368 333 1387 Kg. 158 153 167 151 629 Ib. 368 355 392 355 1471 Kg. 167 161 178 161 667 Ib. 355 254 485 254 1347 Kg. 161 115 220 115 611 Ib. 346 326 368 326 1367 Kg. 157 148 167 148 620 Ib. 426 417 4 373 1625 Kg. 193 189 186 169 737 Ib. 448 4 443 445 1746 Kg. 203 186 201 202 792 Ib. 529 492 549 549 2119 Kg. 240 223 249 249 961 Ib. 505 496 507 558 2066 Kg. 229 225 230 253 937 Ib. 487 450 531 533 2001 Kg. 221 204 241 242 908 Ib. 593 567 620 637 2417 Kg. 269 257 281 289 96 Ib. 613 576 650 650 2489 Kg. 278 261 295 295 1129 Ib. 655 617 858 858 2988 Kg. 297 280 389 389 1355 Ib. 675 639 875 878 3067 Kg. 306 290 397 398 1391 Ib. 675 637 878 878 3067 Kg. 306 289 398 398 1391 Ib. 800 750 975 50 3574 Kg. 363 340 442 476 1621 Ib. 840 765 17 17 3819 Kg. 381 347 502 502 1732 Ib. 690 902 54 904 856 69 5475 Kg. 313 409 478 4 388 485 2483 Ib. 692 904 63 908 860 76 5504 Kg. 314 4 482 412 390 488 2496 Ib. 734 948 13 950 900 1116 5751 Kg. 333 430 500 431 408 506 2608 Ib. 770 983 1142 988 935 1155 5973 Kg. 349 446 518 448 424 524 2709 Ib. 817 1127 1158 32 935 1155 6224 Kg. 371 511 525 468 424 524 2823 Ib. 817 1128 1347 96 935 1155 6479 Kg. 371 512 611 497 424 524 2938 Ib. 926 745 745 924 922 743 904 83 6992 Kg. 420 338 338 419 418 337 4 491 3171 Ib. 959 781 778 959 959 781 942 1122 7281 Kg. 435 354 353 435 435 354 427 509 3302 Ib. 1127 867 864 1127 961 781 942 1122 7790 Kg. 511 393 392 511 436 354 427 509 3533 Ib. 1129 867 864 1127 1129 867 28 1290 8300 Kg. 512 393 392 511 512 393 466 585 3764 Table 16 27
LOADING POINTS 60 Hz 609D 611D 616D 62018D 62020D 62022D 624D 626D 62026D 632D 62032D 62034D 636D 62040D 62046D 62052D 62058D 62062D 62067D 62071D 63074D 63078D 63082D 63094D 63098D 630D 64113D 64124D 64132D 64140D 28 UNIT LOADING POINTS TOTAL A1 A2 A3 A4 A5 A6 A7 A8 WEIGHT Ib. 222 212 238 212 884 Kg. 1 96 8 96 401 Ib. 232 221 247 221 920 Kg. 5 0 112 0 417 Ib. 302 284 326 284 1197 Kg. 137 129 148 129 543 Ib. 344 331 366 331 1372 Kg. 156 150 166 150 622 Ib. 351 340 370 335 1396 Kg. 159 154 168 152 633 Ib. 375 362 399 362 1497 Kg. 170 164 181 164 679 Ib. 348 329 373 329 1378 Kg. 158 149 169 149 625 Ib. 351 331 373 331 1385 Kg. 159 150 169 150 628 Ib. 432 423 417 379 1652 Kg. 196 192 189 172 749 Ib. 459 421 450 452 1782 Kg. 208 191 204 205 808 Ib. 538 503 556 556 2152 Kg. 244 228 252 252 976 Ib. 518 509 516 567 21 Kg. 235 231 234 257 957 Ib. 498 459 538 540 2035 Kg. 226 208 244 245 923 Ib. 606 580 626 644 2456 Kg. 275 263 284 292 1114 Ib. 626 589 659 659 2534 Kg. 284 267 299 299 1149 Ib. 668 631 869 869 3036 Kg. 303 286 394 394 1377 Ib. 688 650 886 889 3113 Kg. 312 295 402 403 1412 Ib. 688 650 889 889 3116 Kg. 312 295 403 403 1413 Ib. 814 763 986 61 3623 Kg. 369 346 447 481 1643 Ib. 853 781 1120 1120 3874 Kg. 387 354 508 508 1757 Ib. 703 915 67 917 869 83 5554 Kg. 319 415 484 416 394 491 2519 Ib. 706 917 74 922 871 89 5579 Kg. 320 416 487 418 395 494 2530 Ib. 745 959 1114 961 911 1129 5819 Kg. 338 435 505 436 413 512 2639 Ib. 781 994 1155 999 946 1166 6042 Kg. 354 451 524 453 429 529 2740 Ib. 829 1140 1169 45 946 1166 6295 Kg. 376 517 530 474 429 529 2855 Ib. 829 1140 1358 17 946 1166 6546 Kg. 376 517 616 502 429 529 2969 Ib. 937 756 756 937 933 754 917 94 7085 Kg. 425 343 343 425 423 342 416 496 3213 Ib. 972 792 792 972 972 792 953 1133 7378 Kg. 441 359 359 441 441 359 432 514 3346 Ib. 1140 878 878 1138 972 792 953 1133 7883 Kg. 517 398 398 516 441 359 432 514 3575 Ib. 1140 878 878 1138 1140 878 39 1301 8390 Kg. 517 398 398 516 517 398 471 590 3805 Table 17
Location and Space Requirements Due to the vertical air flow discharge condenser design, it is recommended that certain precautions are to be taken before installation. There should be no obstruction on the air flow. Orient the unit so that prevailing winds blow parallel to the unit length thus minimizing the effects on condensing pressure. If it is not practical to orient the unit in this manner, a wind deflecting shield should be considered. It is also necessary to provide adequate clearance on all sides of the unit for service access and satisfactory performance. This will prevent excessive condensing temperatures and enhance system performance and operating economy. A flat concrete foundation or floor which can support the weight of the equipment must be provided as the unit must be level for proper operation and functioning of controls. Under certain critical conditions it is recommended that vibration isolators of rubberinshear or spring type be installed under the base. The isolators must be designed for the operating weight of the unit. For operating load points refer to Loading Points Data (page 27 & 28).Correct selection of types of isolators depends upon application and structure. A B C 508D 609D 42 5D 611D 514D 616D 40 60 52015D 62018D 50 52017D 62020D 52019D 62022D 521D 624D 522D 626D 56 52022D 62026D 48 72 528D 632D 52028D 62032D 52030D 62034D 66 530D 636D 52034D 62040D 52040D 62046D 64 96 52045D 62052D 52049D 62058D 52053D 62062D 72 78 8 52058D 62067D 52060D 62071D 53064D 63074D 53068D 63078D 53070D 63082D 53080D 63094D 53084D 63098D 53086D 630D 84 46 90 54095D 64113D 546D 64124D 54114D 64132D 54120D 64140D ALL DIMENSIONS ARE IN INCHES [mm] Table 18 Single Unit Installation SPACING FOR SERVICE DUCT A SPACING FOR AIR FLOW B DUCT A B A DUCT PACV 52060D & 52065D PACV 62070D & 62076D 78 [1981] PACV 508D TO 52055D PACV 609D TO 62064D A DUCT DUCT 46 [1165] A * A * B * SPACING FOR BOTH AIR FLOW AND SERVICE PACV 53070D TO 54125D PACV 63082D TO 64145D 29
A*B Multiple Units Installation SPACING FOR SERVICE AND ACCESS SPACING FOR AIR FLOW B A A B C A * C * 508D to 52060D 609D to 62071D 53064D to 54120D 63074D to 64140D * SPACING FOR AIRFLOW & SERVICE 30
Typical Refrigeration Piping Legend 1 1. Expansion Valve. 2. Sight Glass. 3. Solenoid Valve. 4. Filter Drier. 5. Shut Off Valve. 6. Liquid Line. 7. Suction Line. CONDENSING UNIT 6 5 4 3 2 AIR FLOW AHU 1 6 2 7 3 4 AIR FLOW 5 AHU CONDENSING UNIT Single Circuit Unit Shown. For unit with multiple circuits, piping will be identical. DOTTED IN CASE OF DOUBLE SUCTION RISER Refrigerant Piping Correct design and size of refrigerant piping is necessary for proper operation. The refrigerant piping generally should be designed to accomplish the following: a. To ensure proper refrigerant feed to the evaporator. b. To provide practical refrigerant line sizes without excessive pressure drop. c. To maintain uniform return of lubricating oil to the compressor. d. To prevent liquid refrigerant from entering the compressor and causing compressor damage due to "slugging". Field Expansion Valve Selection The following recommendations should be taken into consideration when selecting expansion valves in field. 1. Expansion valves should be installed as close to the evaporator as possible, mounted directly to the distributor. 2. The following possible sources of pressure drop to be considered: a. Friction losses through refrigerant lines. b. Pressure drop across valves and controls. c. Pressure drop due to vertical lift of liquid line for R134a 1 F (0.55 C) sub cooling must be allowed for each 5.5 ft (1.7m) vertical rise in order to avoid flash gas forming due to the weight of the column of liquid refrigerant. SKM D Series units are designed with a sub cooling circuit enough to sub cool the liquid 12 F (6.6 C), which gives the liquid maximum 66 ft. (20m) lift without additional sub cooling. Liquid suction heat exchanger can be used for additional sub cooling in order to avoid flash gas forming. Matching DX Coil Selection For single circuit D Series, the DX coil selection in a MAH or other air handler from SKM should be based on total capacity. For multiple circuit D Series, extra care should be exercised and correspondingly split, by face area or number of rows to correspond and match the capacity split available in the multiple circuited D Series selected. For optimum matching the DX coil should be ordered from SKM as well. SKM provides correct no. of feeds and circuits and properly sized distribution to ensure the correct split on the DX coil is made available to match the particular selected D Series model. 31
Recommended Refrigerant Line Sizes 50 Hz Liquid Line, Inches Suction Line, Inches Circuit 1 Circuit 2 Circuit 3 Circuit 4 Circuit 1 Circuit 2 Circuit 3 Circuit 4 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 508D 1/2 5/8 5/8 5/8 1 3/8 1 3/8 1 5/8 1 5/8 5D 5/8 5/8 7/8 7/8 1 3/8 1 3/8 1 5/8 1 5/8 514D 5/8 7/8 7/8 7/8 1 3/8 1 5/8 2 1/8 2 1/8 52015D 1/2 5/8 5/8 5/8 1/2 5/8 5/8 5/8 1 3/8 1 3/8 1 5/8 1 5/8 1 3/8 1 5/8 1 5/8 1 5/8 52017D 5/8 5/8 7/8 7/8 1/2 5/8 5/8 5/8 1 3/8 1 3/8 1 5/8 1 5/8 1 3/8 1 5/8 1 5/8 1 5/8 52019D 5/8 5/8 7/8 7/8 5/8 5/8 7/8 7/8 1 3/8 1 3/8 1 5/8 1 5/8 1 3/8 1 5/8 1 5/8 1 5/8 521D 7/8 7/8 7/8 7/8 1 5/8 2 1/8 2 1/8 2 1/8 522D 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 1/8 2 5/8 52022D 5/8 7/8 7/8 7/8 5/8 5/8 7/8 7/8 1 3/8 1 5/8 2 1/8 2 1/8 1 3/8 1 5/8 1 5/8 1 5/8 528D 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 52028D 5/8 7/8 7/8 7/8 5/8 7/8 7/8 7/8 1 3/8 1 5/8 2 1/8 2 1/8 1 3/8 2 1/8 2 1/8 2 1/8 52030D 7/8 7/8 7/8 7/8 5/8 5/8 7/8 7/8 1 5/8 2 1/8 2 1/8 2 1/8 1 3/8 1 5/8 1 5/8 1 5/8 530D 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 52034D 7/8 7/8 7/8 7/8 5/8 7/8 7/8 7/8 1 5/8 2 1/8 2 1/8 2 1/8 1 3/8 2 1/8 2 1/8 2 1/8 52040D 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 1 5/8 2 1/8 2 1/8 2 1/8 1 5/8 2 1/8 2 1/8 2 1/8 52045D 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 1/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 52049D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 52053D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 52058D 7/8 1 1/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 52060D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 53064D 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 2 1/8 2 1/8 2 1/8 2 5/8 1 5/8 2 1/8 2 1/8 2 1/8 1 5/8 2 1/8 2 1/8 2 1/8 53068D 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 1/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 53070D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 53080D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 53084D 7/8 1 1/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 53086D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 54095D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 546D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 54114D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 54120D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 SKM D Series Condensing Units are designed for satisfactory operation with single suction line. 1. Suction Line sizing selection recommendation in Table 19 is based on 2ºF temperature drop. 2. Double suction risers, for applications with systems having large variations in capacity, are recommended to ensure proper oil flow up and return to compressor. 3. Liquid line sizing selection recommendation in Table 19 is based on 2ºF temperature drop. 4. Recommended line sizes in Table 19 are for guidance only. For detailed proper piping, consult recognized piping references like ASHRAE Guide and Data Book for assistance. 5. Equivalent suction and liquid line lengths are shown in Table 19. Table 19 SKM is not responsible for faulty or improper design or sizing of refrigerant lines. The above recommendations do not incorporate necessary slopes, etc. that may be required on horizontal risers, etc. 32
Recommended Refrigerant Line Sizes 60 Hz Circuit 1 Circuit 2 Liquid Line, Inches Circuit 3 Circuit 4 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 25ft 50ft 75ft 0ft 609D 1/2 5/8 5/8 7/8 1 3/8 1 3/8 1 5/8 1 5/8 611D 5/8 5/8 7/8 7/8 1 3/8 1 5/8 1 5/8 2 1/8 616D 5/8 7/8 7/8 7/8 1 5/8 2 1/8 2 1/8 2 1/8 62018D 1/2 5/8 5/8 7/8 1/2 5/8 5/8 7/8 1 3/8 1 3/8 1 5/8 1 5/8 1 3/8 1 5/8 1 5/8 1 5/8 62020D 5/8 5/8 7/8 7/8 1/2 5/8 5/8 7/8 1 3/8 1 5/8 1 5/8 2 1/8 1 3/8 1 5/8 1 5/8 1 5/8 62022D 5/8 5/8 7/8 7/8 5/8 5/8 7/8 7/8 1 3/8 1 5/8 1 5/8 2 1/8 1 3/8 1 5/8 1 5/8 2 1/8 624D 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 1/8 2 5/8 626D 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 62026D 5/8 7/8 7/8 7/8 5/8 5/8 7/8 7/8 1 5/8 2 1/8 2 1/8 2 1/8 1 3/8 1 5/8 1 5/8 2 1/8 632D 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 62032D 5/8 7/8 7/8 7/8 5/8 7/8 7/8 7/8 1 5/8 2 1/8 2 1/8 2 1/8 1 5/8 2 1/8 2 1/8 2 1/8 62034D 7/8 7/8 7/8 1 1/8 5/8 5/8 7/8 7/8 2 1/8 2 1/8 2 1/8 2 5/8 1 3/8 1 5/8 1 5/8 2 1/8 636D 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 62040D 7/8 7/8 7/8 1 1/8 5/8 7/8 7/8 7/8 2 1/8 2 1/8 2 1/8 2 5/8 1 5/8 2 1/8 2 1/8 2 1/8 62046D 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 1/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 62052D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 62058D 7/8 1 1/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 62062D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 62067D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 62071D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 63074D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 7/8 1 1/8 7/8 7/8 7/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 2 1/8 2 1/8 2 1/8 2 5/8 63078D 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 63082D 7/8 1 1/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 63094D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 63098D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 630D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 64113D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 7/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 2 1/8 2 1/8 2 5/8 2 5/8 64124D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 64132D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 64140D 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 7/8 1 1/8 1 1/8 1 1/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 2 1/8 2 5/8 2 5/8 2 5/8 Circuit 1 Circuit 2 Suction Line, Inches Circuit 3 Circuit 4 SKM D Series Condensing Units are designed for satisfactory operation with single suction line. Table 20 1. Suction Line sizing selection recommendation in Table 20 is based on 2ºF temperature drop. 2. Double suction risers, for applications with systems having large variations in capacity, are recommended to ensure proper oil flow up and return to compressor. 3. Liquid line sizing selection recommendation in Table 20 is based on 2ºF temperature drop. 4. Recommended line sizes in Table 19 are for guidance only. For detailed proper piping, consult recognized piping references like ASHRAE Guide and Data Book for assistance. 5. Equivalent suction and liquid line lengths are shown in Table 19. SKM is not responsible for faulty or improper design or sizing of refrigerant lines. The above recommendations do not incorporate necessary slopes, etc. that may be required on horizontal risers, etc. 33
GUIDE SPECIFICATIONS GENERAL FEATURES Condensing units shall be composed of compressor(s), fan(s), Coil(s), refrigerant piping, electrical components & enclosing cabinet in one piece. Unit shall be factory assembled, internally wired, piping connections terminated with sealed and soldered copper pipe ends. Unit shall be shipped with nitrogen holding charge (actual charging with refrigerant R134a should be done at site). Unit shall be capable to operate from 50 F ( C) to 125 F (52 C) ambient temperature and shall be rated in accordance with AHRI365 standard. COIL(S) Coil shall be air cooled with integral subcooling circuit, constructed of seamless copper tubes 3/8" OD mechanically bonded to wavy Aluminium (Copper) fins with maximum 14 FPI (1.8mm) spacing. Coil shall be tested against leakage by pressurizing air at 450 psig (30 kpa) in coil, under water, cleaned and dehydrated at the factory. COMPRESSOR(S) Compressor shall be of high energy efficiency ratio, fully accessible, semi hermetic reciprocating type equipped with crankcase heater, oil pump, refrigerant gas cooled electric motor, preset internal relief valve, inherent thermistor motor protection, suction and discharge service valves, oil sight glass and shall be mounted on spring anti vibration mounts to minimize vibration transmissions. Compressors shall conform to EN 12900 standards. CONDENSER FAN(S) & MOTOR(S) The machine shall be furnished with direct driven propeller type discharging air upward condenser fans. Fans shall be constructed of corrosion resistant blades such as heavy gauge aluminum. The fan and drive shall be held in proper alignment. Fan assemblies shall be provided with heavy gauge, rust resistant steel wire fan guard. All condenser fans shall be individually, statically, and dynamically balanced for vibration free operation. REFRIGERANT PIPING The refrigerant circuit piping shall be fabricated from ACR grade copper piping, with 1, 2, 3, or 4 refrigeration circuits.the piping connections shall be terminated with sealed & soldered copper pipe ends,which give much simplicity & ease to the installation. CASING Unit casing shall be made of zinc coated galvanized steel sheets conforming to JISG3302 and ASTM A653 which shall be phosphatized and then electrostatically dry powder coated of approx.60 microns to provide an extremely tough, scratch resistance, excellent anticorrosive protection that can pass 00 hrs in 5% salt spray testing at 95 F (35 C) and 95% relative humidity as per ASTM B117. Unit casing shall be provided with access panels for easy service and maintenance of all units parts. CONTROL PANEL The unit mounted control panel enclosure shall be fabricated out of heavy gauge sheet steel in phosphatized powder coated baked finish. The enclosure shall conform to IP54 as per guidelines in IEC 529. A hinged access door and keyfastener shall be provided for easy access and security. The panel shall be factory wired in accordance with NEC 430 & 440, labeled, tagged and features 220V / 240V controls and shall include the following as minimum. All compressors shall be with DOL/part winding starting. Individual compressor and condenser fan motor contactors. Motor protector circuit breaker for condenser fan motors. Control circuit breaker. Unit on/off switch. Microprocessor control boards. Control Relays. Power and control terminal blocks. Motors shall be Totally Enclosed Air Over (TEAO), 6 poles, with class F insulation, minimum IP55 protection and factory wired to unit control panel. 34
GUIDE SPECIFICATIONS MICROPROCESSOR CONTROLLER Condensing units shall be equipped with a full function microprocessor based controller as a standard feature. The controller shall be factory programmed for the control of AHU fan motor, compressors and condenser fans. The controller shall come with a built in keypad and display for simple but meaningful man machine interface. This controller shall provide complete operational control for the unit and shall have builtin auto diagnostic capability that can signal normal operation or alarm conditions as well as shutting down the unit or system if necessary. The controller shall come with a loose supplied sleek and elegant design room unit for installing in the conditioned space. Communication between unit controller and room unit shall be through two wire interface. The communication cable shall be 2 core, twisted pair, unscreened with stranded conductors. Maximum distance between room unit and controller shall be 700 meters. The room unit shall have a built in sensor for measuring the room temperature. It shall transmit room temperature, set point, unit operating mode, operating schedule etc. to the unit controller. Control of the compressors shall be based on room temperature and the set point, as standard. Control based on duct temperature shall be available if required. The Main Features of the controller shall be as follows: Built in LCD display with back light. Built in keypad. Battery backed up built in real time clock. Multiple authorization level to provide tight security for the control system. Capacity control based on room temperature or return air temperature. Alarm history. A sleek & elegant design room unit. DISPLAY INFORMATION Condensing units shall offer an LCD display which will allow the operator to access different parameters of the unit. Operator shall be able to view and change the unit parameters. The display information shall include: Status. Outputs. Inputs. Alarms. Set points. Password. The intelligent microprocessor based controller shall monitor all the safeties related to the unit and makes the necessary protections, by shutting down the entire unit or the effected circuit. The protections shall include: Low suction pressure. High discharge pressure. Low oil pressure. High compressor motor temperature. Compressor short cycling. Volt free contacts for run status, common fault status, auto mode status and provision for remote on/off shall be available as option. In addition, the unit microprocessor shall be able to support the major BMS protocols such as BACnet, Modbus & LON as option. 35
SKM Air Cooled Condensing Units HEAD OFFICE P.O Box: 6004 Sharjah, United Arab Emirates Tel: +971 6 514 3333 Fax: +971 6 514 3300 Email: sales@skmaircon.com Email: info@skmaircon.com Spare Parts Division Email: spareparts.skm@skmaircon.com Service Centre Email: aftersales.skm@skmaircon.com REGIONAL OFFICES United Arab Emirates Saudi Arabia Abu Dhabi (Production Facility) P.O Box: 27788 Tel: +971 2 6445223 Fax: +971 2 6445145 Email: abudhabisales.skm@skmaircon.com Dubai P.O Box: 98822 Tel: +971 4 2940900 Fax: +971 4 2940029 Email: dubaisales.skm@skmaircon.com SKM Air Conditioning Factory Eastern province AD Dammam 2nd industrial city Abqiq main road Hail Street Tel: +966 3 8123332 / 4 / 5 Fax: +966 3 8123337 / +966 3 8123092 Email: saudifactory.skm@skmaircon.com Kuwait Algeria Dasman Aissat Idir ( EXENMA) City Bldg1, Flat 2, Dar El Beida Algiers Tel: +213 21 508197 Fax: +213 21 508197 Email: algeriasales.skm@skmaircon.com P.O Box: 1215PC 15463 Tel: +965 2 2492200 Fax: +965 2 2494400 Email: kuwaitsales.skm@skmaircon.com For SKM Distributors visit: 068/2015 Supersedes Bulletin # 068/2014A www.skmaircon.com 36 068/2015 Supersedes Bulletin # 068/2014A 058/2015 Supersedes Bulletin # 058/2014