Envision Indoor Split Specification Catalog

Transcription

1 Envision Series Geothermal Indoor Split Heat Pumps -410A efrigerant 2 thru 6 Ton Single Speed 2 thru 6 Ton Dual apacity Design Features Factory Options Accessories Dimensional Data Physical Data Performance Data Envision Indoor Split Specification atalog Engineering Guide Specifications SP /08 WaterFurnace

2 Envision Series splits are designed for indoor installations, and are connected to an indoor air handler via refrigerant lines and control wiring. Envision units utilize the ozone-safe -410A refrigerant to meet the most stringent EPA requirements now and for many years to come. Easily accessible controls and connections for refrigerant piping and water piping make this unit simple to install in a wide variety of applications. Heavy gauge metal cabinets are coated with durable polyester powder coat paint for long lasting beauty and protection. The Envision Series split will provide exceptional performance and comfort for many years. And because there is no outdoor fan like ordinary air conditioners or heat pumps, the Envision is whisper quiet. Envision Series units are performance-certified to AI ISO standards, are ETL safety listed, and are ENEGYSTA qualified. As a leader in the industry, WaterFurnace is dedicated to innovation, quality and customer satisfaction. In fact, every unit built is exposed to a wide range of quality control procedures throughout the assembly process and is then subjected to a rigorous battery of computerized run tests to certify that it meets or exceeds performance standards for efficiency and safety, and will perform flawlessly at startup. As further affirmation of our quality standards, each unit carries our exclusive Quality Assurance emblem, signed by the final test technician. WaterFurnace International s corporate headquarters and manufacturing facility is located in Fort Wayne, IN. A scenic three-acre pond located in front of the building serves as our geothermal heating and cooling source to comfort-condition our 110,000 square feet of manufacturing and office space. As a pioneer, and now a leader in the industry, the team of WaterFurnace engineers, customer support staff and skilled assembly technicians is dedicated to providing the finest comfort systems available. By choosing or specifying WaterFurnace Envision Series products, you can be assured that your customer is investing in an exceptional comfort system and peace of mind for many years to come. 2

3 Table of ontents AI Data 4 Model Nomenclature 5 Envision Air Handler Nomenclature 6 Air Handler ompatibilty 6 Envision oil Nomenclature 7 efrigerant oil ompatibilty 7 Design Features 8 Envision Split Features 9 Physical haracteristics 9 Physical Dimensions 10 Air Handler Physical Data 11 Line Set Sizes 12 Unit Electrical Data 12 eference alculations 13 Operating Limits 13 Legends and Notes 13 Unit Operating Parameters Performance Data Microprocessor ontrol Wiring Schematics Thermostat Wiring 37 Engineering Guide Specifications 38 3

4 Performance Summary AI/ISO/ASHAE/ANSI Performance atings AI/ASHAE/ISO English (IP) Units Model apacity Modulation Flow ate gpm Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump ooling Brine EWT 86 F apacity Btuh EE Btuh/W Heating Brine EWT 68 F apacity Btuh OP ooling EWT 59 F apacity Btuh EE Btuh/W Heating EWT 50 F apacity Btuh OP ooling Brine Full Load 77 F Part Load 68 F apacity Btuh EE Btuh/W Heating Brine Full Load 32 F Part Load 41 F apacity Btuh Full , , , , , , Part , , , , , , Full , , , , , , Part , , , , , , Full , , , , , , Part , , , , , , Full , , , , , , Part , , , , , , Full , , , , , , Part , , , , , , Single , , , , , , Single , , , , , , Single , , , , , , Single , , , , , , Single , , , , , , Single , , , , , , Single , , , , , , Notes: ooling capacities based upon 80.6 F DB, 66.2 F WB entering air temperature. Heating capacities based upon 68 F DB, 59 F WB entering air temperature. All ratings based upon operation at the lower voltage or dual voltage rated models. efer to the air handler compatability table for matching air handler. OP 7/21/08 4

5 Model Nomenclature N D Z 049 A 1 1 A oax Options Model Type = opper N= Envision N= upronickel ompressor Type Open Option D= Dual apacity A= Standard S= Single Speed Hot Water Option abinet onfiguration 0= None Z= Indoor Split 1= Hot Water Gerneration with factory installed pump Unit apacity Voltage Vintage 1= /60/1 A= urrent 5

6 Envision Air Handler Nomenclature NAH 036 A Model Type Air oil NAH = Envision Air Handler = efrigerant H = Hydronic Unit apacity efrigerant Models Nom. FM Motor 022 MBTUH = EM /60/1 026 MBTUH MBTUH MBTUH MBTUH 1425 Disconnect 048 MBTUH = No breaker installed (only on 5kW & 10 kw heaters ) 060 MBTUH = Breaker installed (only on 15kW & 20kW heaters) Hydronic Models 026 MBTUH MBTUH 1225 Electric Heat 048 MBTUH = No electric heat 060 MBTUH = 5 kw (available on ) 10 = 10 kw (available on ) Vintage 15 = 15 kw (available on ) A = urrent 20 = 20 kw (available on 060 only) Note: Kit NAHB must be ordered to field convert the NAH to bottomflow air discharge Air Handler ompatibility Air Handler Sizing Selection The Envision Air Handlers are designed for -410A refrigerant and should be matched with Envision Split series compressor section according to the table below. Air Handler Indoor Split Model (Single) Indoor Split Model (Dual apacity) Outdoor Split Model (Dual apacity) (FM) Electric Heat (kw) NAH022A***1 NSZ NAH026A***1 - NDZ026 NDS NAH030A***1 NSZ , 10 NAH036A***1 NSZ , 10 NAH036A***1 - NDZ038 NDS , 10 NAH042A***1 NSZ , 15 NAH048A***1 NSZ , 15 NAH048A***1 - NDZ049 NDS , 15 NAH060A***1 NSZ , 15, 20 NAH060A***1 - NDZ064 NDS , 15, 20 NAH060A***1 NSZ , 15, 20 NAH060A***1 - NDZ072 NDS , 15, 20 6/9/08 6

7 Envision oil Nomenclature N A 026 Model Type N = Envision efrigerant oil NH = Envision Hydronic oil onfiguration A = "A" oil oil abinet = Encased U = Uncased apacity efrigerant Models 026 MBTUH 036 MBTUH 048 MBTUH 060 MBTUH Hydronic Models 060 MBTUH Note: All efrigerant oils include TXV. The encased coil cabinet is designed for upflow applications. efrigerant oil ompatibility Encased/Uncased oil Indoor Split Model (Single) Indoor Split Model (Dual apacity) Outdoor Split Model (Dual apacity) ecommended (FM) NA026* NSZ NA026* - NDZ026 NDS NA026* NSZ NA036* NSZ NA036* - NDZ038 NDS NA048* NSZ NA048* NSZ NA048* - NDZ049 NDS NA060* NSZ NA060* - NDZ064 NDS NA060* NSZ NA060* - NDZ072 NDS /14/08 7

8 Design Features Application Flexibility Safe, efficient operation in a wide range of liquid temperatures (25 F to 110 F) and flow rates (as low as 1.5 GPM/ton in open loop applications when EWT >50 F). Easily accessible loop pump wiring. Operating Efficiencies Environmentally friendly -410A refrigerant. LED fault and status lights with memory for easy diagnostics. Accumulator on all models for compressor reliability. AI rating for heating OPs, cooling EEs and low water flow requirements. Optional desuperheater generates hot water at considerable savings while improving overall system efficiency. High-stability expansion valve delivers optimum refrigerant flow over a wide range of conditions. Efficient opeland scroll compressors in all units. Oversized coaxial tube water-to-refrigerant heat exchanger operates at low liquid pressure drops. onvoluted copper water tube functions efficiently at low flow rates, and provides freeze-damage resistance. Service Advantages Easily removable top, front and side access panels. Easily accessible thermal expansion valve. Brass, swivel-type water connections for ease of installation. High- and low-pressure service ports in refrigerant circuit. Swing-out control box providing easy access to all components. Factory Quality All units are manufactured on an automated testing assembly line. This assembly line features monitoring and assembly processes that lead the industry such as: omponent verification through bar codes. Multiple automatic leak & pressure tests. Performance of a water-based run test measuring both functionality and performance of the unit. Database management of all run test parameters for service analysis. Integrated fail safe system that prevents packaging of a failed unit. Heavy-gauge steel cabinets are painted with durable polyester powder coat paint for long lasting beauty and service. All refrigerant brazing is performed in a nitrogen atmosphere. All units are deep evacuated to less than 150 microns prior to refrigerant charging. All joints are helium leak-tested to insure an annual leak rate of less than 1/4 ounce. oaxial heat exchanger, refrigerant suction lines, desuperheater coil, and all water pipes are fully insulated to reduce condensation problems in low temperature operation. Noise reduction features: Double isolation mounted compressors, insulated cabinet using 1/2-inch coated glass fiber. ompressor sound blanket. Safety features include high- and low-pressure refrigerant controls to protect the compressor. Options & Accessories Optional desuperheater with internally mounted pump & water heater plumbing connector. Electronic auto-changeover thermostat with 3-stage heat/2-stage cool and indicator LEDs. losed loop flow center and loop circulating kits. Hose kits. Additional accessory relay. Mounting pad. Well water kits. 8

9 Envision Split Features High Efficiency ompressor Fully Insulated abinet with Access Panels Status and Fault Lights Swing-out Access Panel Microprocessor ontrol Optional Desuperheater with Internal Pump Optional Desuperheater onnection efrigerant Line onnections Brass Service Valves (not shown) Liquid Line Filter Drier (not shown) Insulated oaxial Heat Exchanger Brass Swivel Water onnections Thermal Expansion Valve (not shown) Accumulator (not shown) Physical haracteristics Model ompressor (1 each) Single Speed Scroll Dual apacity Scroll Factory harge 410a, oz [kg] [1.59] [1.59] [1.59] [2.1] [2.55] [2.61] [3.06] [1.47] [1.59] [2.55] [2.61] [2.95] oax and Water Piping Water onnections Size - Swivel- in [mm] 1 [25.4] 1 [25.4] HWG onnection Size - Swivel - in [mm] 1 [25.4] 1 [25.4] Brass Service Valve - Liquid Line - in [mm] 3/8 1/2 3/8 1/2 [9.525] [12.7] [9.525] [12.7] Brass Service Valve - Suction Line - in [mm] 5/8 3/4 7/8 5/8 3/4 7/8 [15.875] [19.05] [22.225] [15.875] [19.05] [22.225] oax & Piping Water Volume - gal [l] [2.6] [3.8] [4.9] [4.9] [6.1] [6.1] [8.7] [2.6] [4.9] [6.1] [6.1] [8.7] Weight - Operating, lb [kg] [74] [79] [96] [97] [112] [114] [132] [186] [107] [113] [123] [132] Weight - Packaged, lb [kg] [83] [88] [105] [106] [121] [123] [142] [95] [116] [122] [132] [141] NOTES: All units have TXV expansion devices, and 1/2" [12.2mm] & 3/4" [19.1mm] electrical knockouts. Brass service valves are sweat type valves. 10/29/08 9

10 Physical Dimensions B A H J M L K E F G D ENVISION - NZ SPLIT DIMENSIONAL DATA NZ NZ DIMENSION VALUE DIMENSION VALUE DESIPTION A A UNIT HEIGHT B B UNIT WIDTH UNIT DEPTH D 1.93 D 2.21 WATE IN E 6.93 E 7.21 WATE OUT F 8.44 F 9.21 BASS SEVIE VALVE (LIQUID) G G BASS SEVIE VALVE (GAS) H H DESUPEHEATE IN J J DESUPEHEATE OUT K 8.55 K 7.71 LOW VOLTAGE L L 9.46 EXTENAL PUMP M M LINE VOLTAGE 10

11 Air Handler Physical Data Air Handler Model Number (efrigerant) NAH022 NAH026 NAH030 NAH036 NAH042 NAH048 NAH060 Air oil Total Face Area, ft2 [m2] Tube outside diameter - in. [mm] 5.83 [0.54] 3/8 [9.52] Evaporator Number of rows 2 3 oil Fins per inch 12 Suction line connection - in. [mm] sweat 5/8 [15.87] 7/8 [22.22] Liquid line connection - in. [mm] sweat 3/8 [9.52] efrigerant -410a Nominal cooling capacity - tons [kw] 1.8 [6.44] 2.1 [7.59] 2.5 [8.79] 3 [10.55] 3.5 [12.30] 4 [14.06] 5 [17.58] ondensate drain connection - (FPT) in. [mm] 3/4 [19.05] Blower Wheel Size (Dia x W), in. [mm] Blower motor type/speeds 11 x 10 [279 x 254] EM variable speed Blower motor output - hp [W] 1/2 [373] 1 [746] Filter Standard - 1" [51mm] MEV3 disposable, in. [mm] Electrical characteristics (60hz) 20 x 24 [508 x 635] 208/230-1ph Shipping weight - lbs. [kg] Operating weight - lbs. [kg] 215 [97.52] 195 [88.45] 220 [99.79] 200 [90.71] 1/11/08 Air Handler Model Number (Hydronic) NAH026 NAH036 NAH048 NAH060 Air oil Total Face Area, ft2 [m2] Tube outside diameter - in. [mm] 6.94 [0.64] 3/8 [9.52] Hydronic oil Number of rows Fins per inch Water In connection - in. [mm] sweat Water Out connection - in. [mm] sweat /8 [22.22] 7/8 [22.22] Nominal cooling capacity - tons [kw] 2.1 [7.59] 3 [10.55] 4 [14.06] 5 [17.58] ondensate drain connection - (FPT) in. [mm] Blower Wheel Size (Dia x W), in. [mm] Blower motor type/speeds 3/4 [19.05] 11 x 10 [279 x 254] EM variable speed Blower motor output - hp [W] 1/2 [373] 1 [746] Filter Standard - 1" [51mm] MEV3 disposable, in. [mm] Electrical characteristics (60hz) Shipping weight - lbs. [kg] Operating weight - lbs. [kg] 20 x 24 [508 x 635] 208/230-1ph 220 [99.79] 200 [90.71] NOTE: Water connection dimensions are O.D. 3/11/08 11

12 Line Set Sizes Unit Size Air Handler 20 feet 40 feet 60 feet NZ Factory Suction Liquid Suction Liquid Suction Liquid harge (oz.) *Initial System harge (oz.) NSZ022 NAH022 5/8 OD 3/8 OD 5/8 OD 3/8 OD 3/4 OD 3/8 OD NSZ030 NAH030 5/8 OD 3/8 OD 3/4 OD 3/8 OD 3/4 OD 3/8 OD NSZ036 NAH036 5/8 OD 3/8 OD 3/4 OD 3/8 OD 3/4 OD 1/2 OD NSZ042 NAH042 3/4 OD 3/8 OD 3/4 OD 3/8 OD 7/8 OD 1/2 OD NSZ048 NAH048 3/4 OD 3/8 OD 7/8 OD 3/8 OD 7/8 OD 1/2 OD NSZ060 NAH060 7/8 OD 1/2 OD 7/8 OD 1/2 OD 1-1/8 OD 1/2 OD NSZ070 NAH060 7/8 OD 1/2 OD 7/8 OD 1/2 OD 1-1/8 OD 1/2 OD NDZ026 NAH026 5/8 OD 3/8 OD 3/4 OD 3/8 OD 3/4 OD 1/2 OD NDZ038 NAH036 3/4 OD 3/8 OD 3/4 OD 3/8 OD 3/4 OD 1/2 OD NDZ049 NAH048 3/4 OD 3/8 OD 7/8 OD 3/8 OD 7/8 OD 1/2 OD NDZ064 NAH060 7/8 OD 1/2 OD 7/8 OD 1/2 OD 1-1/8 OD 1/2 OD NDZ072 NAH060 7/8 OD 1/2 OD 7/8 OD 1/2 OD 1-1/8 OD 1/2 OD NOTES: *Initial System harge includes Factory Split charge + 20' lineset charge + required additional charge, then adjust charge by subcooling and superheat measurements. If lineset is longer than 20' then additional charge for 410A is 0.50 oz. per ft. for 3/8" and 1.0 oz. per ft. for 1/2" tube. 12/9/08 Unit Electrical Data Model ated Voltage Voltage Min/Max ompressor HWA Ext Total Min Max Pump Loop Unit irc Fuse/ M LA LA FLA FLA FLA Amp HA /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ /60/1 197/ Notes: ated Voltage of /60/1. HA circuit breaker in USA only. Min/Max Voltage of 197/253. All fuses lass K-5. ev.: 02/20/07 12

13 eference alculations Heating alculations: ooling alculations: LWT = EWT - HE LWT = EWT + GPM x 500 H GPM x 500 LAT = EAT + H FM x 1.08 LAT (DB) = EAT (DB) - S FM x 1.08 L = T - S TH = H + HW S/T = S T Operating Limits ooling Heating ( F) ( ) ( F) ( ) Air Limits Min. Ambient Air ated Ambient Air Max. Ambient Air Min. Entering Air ated Entering Air db/wb 80.6/ / Max. Entering Air db/wb 110/83 43/ Water Limits Min. Entering Water Normal Entering Water Max. Entering Water NOTE: Minimum/maximum limits are only for start-up conditions, and are meant for bringing the space up to occupancy temperature. Units are not designed to operate at the minimum/maximum conditions on a regular basis. The operating limits are dependant upon three primary factors: 1) water temperature, 2) return air temperature, and 3) ambient temperature. When any of the factors are at the minimum or maximum levels, the other two factors must be at the normal level for proper and reliable unit operation. Legends and Notes ABBEVIATIONS AND DEFINITIONS: FM = airflow, cubic feet/minute EWT = entering water temperature, Fahrenheit GPM = water flow in gallons/minute WPD = water pressure drop, PSI and feet of water EAT = entering air temperature, Fahrenheit (dry bulb/wet bulb) H = air heating capacity, MBTUH T = total cooling capacity, MBTUH S = sensible cooling capacity, MBTUH kw = total power unit input, kilowatts H = total heat of rejection, MBTUH HE = total heat of extraction, MBTUH = desuperheater capacity, MBTUH EE = Energy Efficient atio = BTU output/watt input OP = oefficient of Performance = BTU output/btu input LWT = leaving water temperature, F LAT = leaving air temperature, F TH = total heating capacity, MBTUH L = latent cooling capacity, MBTUH S/T = sensible to total cooling ratio Desuperheater capacity based on 0.4 GPM flow per nominal unit ton at 90 F entering hot water temperature. apacity data on pages do not include water pumping watts and are based upon 15% (by volume) methanol antifreeze solution. Multiple Flow ates (for EWT) are shown in the tables on pages The lowest flow rate shown is used for geothermal open loop/well water systems with a minimum 50 F. The second flow rate shown is the minimum geothermal closed loop flow rate. The third flow rate shown is optimum for geothermal closed loop and the suggested flow rate for boiler tower applications. Interpolation between EWT, GPM and FM data is permissible. Extrapolation for heating data down to 25 F is permissible. atalog illustrations cover the general appearance of products at time of publication. We reserve the right to make changes in design and construction at any time without notice. 13

14 Unit Operating Parameters Single Speed Models - NSZ022 thru NSZ070 (with NAH Series Air Handler) Entering Water Temp F Entering Water Temp F ooling -- No Desuperheater Water NSZ022 thru NSZ060 NSZ070 NSZ022 thru NSZ070 Flow GPM/ Suction Discharge Suction Discharge Water Temp Air Temp Superheat Subcooling Ton Pressure PSIG Pressure PSIG Pressure PSIG Pressure PSIG ise F Drop F DB Heating -- No Desuperheater Water NSZ022 thru NSZ060 NSZ070 NSZ022 thru NSZ070 Flow GPM/ Suction Discharge Suction Discharge Water Temp Air Temp Superheat Subcooling Ton Pressure PSIG Pressure PSIG Pressure PSIG Pressure PSIG Drop F ise F DB NOTE: ooling performance based on entering air temperatures of 80 F DB, 67 F WB. Heating performance based on entering air temperatures of 70 DB. 5/29/

15 Unit Operating Parameters NDZ026 thru NDZ072 (with NAH Series Air Handler) First Stage Operation Entering Water Temp F ooling -- No Desuperheater NDZ026 thru NDZ064 NDZ072 NDZ026 thru NDZ072 Water Flow Suction Discharge Suction Discharge Water Temp Air Temp GPM/Ton Superheat Subcooling Pressure PSIG Pressure PSIG Pressure PSIG Pressure PSIG ise F Drop F DB Entering Water Temp F Heating -- No Desuperheater NDZ026 thru NDZ064 NDZ072 NDZ026 thru NDZ072 Water Flow Suction Discharge Suction Discharge Water Temp Air Temp GPM/Ton Superheat Subcooling Pressure PSIG Pressure PSIG Pressure PSIG Pressure PSIG Drop F ise F DB Second Stage Operation Entering Water Temp F ooling -- No Desuperheater NDZ026 thru NDZ064 NDZ072 NDZ026 thru NDZ072 Water Flow Suction Discharge Suction Discharge Water Temp Air Temp GPM/Ton Superheat Subcooling Pressure PSIG Pressure PSIG Pressure PSIG Pressure PSIG ise F Drop F DB Entering Water Temp F Heating -- No Desuperheater NDZ026 thru NDZ064 NDZ072 NDZ026 thru NDZ072 Water Flow Suction Discharge Suction Discharge Water Temp Air Temp GPM/Ton Superheat Subcooling Pressure PSIG Pressure PSIG Pressure PSIG Pressure PSIG Drop F ise F DB NOTE: ooling performance based on entering air temperatures of 80 F DB, 67 F WB. Heating performance based on entering air temperatures of 70 DB. 5/29/

16 NSZ FM ated EWT F Flow gpm PSI WPD HEATING - EAT 70 F OOLING - EAT 80/67 F FT H LAT kw HE F OP T S S/T atio kw H EE

17 NSZ FM ated EWT F Flow gpm PSI WPD HEATING - EAT 70 F OOLING - EAT 80/67 F FT H LAT kw HE F OP T S S/T atio kw H EE

18 NSZ FM ated EWT F Flow gpm PSI WPD HEATING - EAT 70 F OOLING - EAT 80/67 F FT H LAT kw HE F OP T S S/T atio kw H EE

19 NSZ FM ated EWT F Flow gpm PSI WPD HEATING - EAT 70 F OOLING - EAT 80/67 F FT H LAT kw HE F OP T S S/T atio kw H EE

20 NSZ FM ated EWT F Flow gpm PSI WPD HEATING - EAT 70 F OOLING - EAT 80/67 F FT H LAT kw HE F OP T S S/T atio kw H EE

21 NSZ FM ated EWT F Flow gpm PSI WPD HEATING - EAT 70 F OOLING - EAT 80/67 F FT H LAT kw HE F OP T S S/T atio kw H EE

22 NSZ FM ated EWT F Flow gpm PSI WPD HEATING - EAT 70 F OOLING - EAT 80/67 F FT H LAT kw HE F OP T S S/T atio kw H EE