SINGLE PACKAGE GAS / ELECTRIC UNITS AND SINGLE PACKAGE AIR CONDITIONERS SUNLINE 2000 DESCRIPTION

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1 TG4Y (600 SINGLE PACKAGE GAS / ELECTRIC UNITS AND SINGLE PACKAGE AIR CONDITIONERS D2CE / D2CG 300 CONSTANT VOLUME 25 NOMINAL TONS 8.5 EER DCG Unit Shown DESCRIPTION Sunline 2000 series convertible package rooftop models have two independent refrigerant circuits for efficient part load operation. Although the units are primarily designed for curb mounting on a roof, they can also be slab-mounted at ground level or set on steel beams above a finished roof. Cooling only, cooling with gas heat and cooling with electric heat models are available with a wide variety of factory-mounted options and field-installed accessories to make them suitable for almost every application. All units are self-contained and assembled on full perimeter base rails with holes in the four corners for overhead rigging. Every unit is completely piped, wired, charged and tested at the factory to simplify the field installation and to provide years of dependable operation. Powder paint cabinets provide an exceptionally durable finish with the 750 hour salt spray process per ASTM-B117 test standard. All models (including those with an economizer are suitable for either bottom or horizontal duct connections. Models with power exhaust are suitable for bottom duct connections only. For bottom duct, you remove the sheet metal panels from the supply and return air openings through the base of the unit. For horizontal duct, you replace the supply and return air panels on the rear of the unit with a side duct flange accessory. All models are available with five different outdoor air damper options: Single enthalpy economizer Differential (dual enthalpy economizer Single enthalpy economizer with power exhaust Differential (dual enthalpy economizer with power exhaust Motorized outdoor air damper A fixed outdoor air intake assembly is shipped in the return air compartment of all units ordered without an economizer or motorized outdoor air damper option. The assembly includes a rain hood with a damper that can be set for 10, 15 or 25% outdoor air. With bottom duct connections, the intake damper assembly should be mounted over the opening in the return air panel. With horizontal ductwork, it should be mounted on the return air duct. SUNLINE 2000 All supply air blowers are equipped with a belt drive that can be adjusted to meet the exact requirements of the job. A high speed drive accessory is available for applications with a higher CFM and/or static pressure requirement. All compressors include internal pressure relief. Every refrigerant circuit includes an expansion valve, a liquid line filter-drier, a discharge line high pressure switch and a suction line with a freezestat and low pressure/loss of charge switch. The unit control circuit includes two 75 VA transformers, two 24-volt circuit breakers and a relay board with two compressor lockout circuits, a terminal strip for thermostat wiring, plus an additional set of pin connectors to simplify the interface of additional field controls. All 208/230 and 460-volt models are ETL approved. All 208/230 and 575-volt models are CGA approved. All models include a 1-year limited warranty on the complete unit. Compressors and electric heater elements carry an additional 4-year warranty. Aluminized steel tubular heat exchangers carry an additional -year warranty. All gas heat models are built with two heating sections for two equal stages of capacity control. Each section includes a durable heat exchanger with aluminized steel tubes, a redundant gas valve, spark ignition, power venting, an ignition module for 100% shut-off and all of the safety controls required to meet the latest ANSI standards. The gas supply piping can be routed into the heating compartment through a hole in the base pan of the unit or through a knockout in the piping panel on the front of the unit. All electric heat models are wired for a single power source and include a bank of nickel chromium elements mounted at the discharge of the supply air blower to provide a high velocity and uniform distribution of air across the heating elements. Every element is fully protected against excessive current and temperature by fuses and two thermal limit switches. The power supply wiring can be routed into the control box through a threaded pipe connection in the base pan of the unit or through a knockout in the wiring panel on the front of the unit. All internal factory wiring is color coded and numbered for ease in servicing and troubleshooting.

2 FACTORY-INSTALLED OPTIONS ECONOMIZERS - Interlocked outdoor and return air dampers are positioned by a fully modulating, spring return damper actuator capable of introducing up to 100% outdoor air with nominal 1% leakage type dampers.. As the outdoor air intake dampers open, the return air dampers close. The changeover from compressor to economizer cooling is determined by one or two solid state enthalpy controls. On single enthalpy, an outdoor air sensor determines when the outdoor air is cool and dry enough to provide free cooling. On differential enthalpy, one sensor monitors the outdoor air while a second sensor monitors the return air. Whenever the outdoor air is cooler and drier than the return air, the unit will switch to economizer operation. For either option, the first compressor stage can provide additional cooling during economizer operation if the room thermostat calls for second stage. The dampers and controls are installed and wired at the factory. Only the accessory rain hood needs to be assembled and installed in the field. These economizer options can be used on all duct configurations. POWER EXHAUST - Both the single and differential economizer options are available with power exhaust. Whenever the outdoor air intake dampers are opened for free cooling, the exhaust fan will be energized to prevent the conditioned space from being over-pressurized during economizer operation. The exhaust fan, motor and controls are installed and wired at the factory. Only the back-draft damper assembly needs to be field installed and the accessory rain hoods need to be assembled and installed in the field. The power exhaust option can only be used on bottom duct configurations. MOTORIZED OUTDOOR AIR INTAKE DAMPER - Interlocked outdoor and return air dampers are controlled by a 2-position, spring return damper actuator. The outdoor damper will open to some pre-set position whenever the supply air blower is operating and will drive fully closed when the blower shuts down. The damper and controls are installed and wired at the factory. Only the accessory rain hood needs to be assembled in the field. This damper option can be used on all duct configurations. FIELD-INSTALLED ORIES SINGLE INPUT ELECTRONIC ENTHALPY ECONOMIZERS - Includes a slide-in / plug-in damper assembly with fully modulating spring-return monitor actuator capable of introducing up to 100% outdoor air with nominal 1% leakage type dampers. The enthalpy system contains one sensor that monitors the outdoor air and determines when the air is cool enough and dry enough to provide "free" cooling. The rainhood is painted to match the basic unit and must be field-assembled before installing. Power exhaust is not available as a field installed option. DUAL INPUT ELECTRONIC ENTHALPY ECONOMIZERS - Includes a slide-in / plug-in damper assembly with fully modulating spring-return monitor actuator capable of introducing up to 100% outdoor air with nominal 1% leakage type dampers. This enthalpy system contain one sensor that monitors the outdoor air and one sensor that monitors the return air. The logic module compares these two values and modulates the dampers providing the maximum efficiency of economizer system. The rainhood is painted to match the basic unit and must be field-assembled before installing. Power exhaust is not available as a field installed option. MOTORIZED OUTDOOR AIR INTAKE DAMPER - Includes a slide-in / plug-in damper assembly with a 2-position, spring return motor actuator which opens to some pre-set position whenever the supply air blower is operating and will drive fully closed when the blower unit shuts down. The rain hood is painted to match the basic unit and must be field assembled before installing. Power exhaust is not available as a field installed option. ROOF CURBS - 14" high roof curbs provide a water-tight seal between the unit and the finished roof. These full perimeter curbs meet the requirements of the National Roofing Contractors Association (NRCA and are shipped knocked-down for field assembly. They re designed to fit inside the base rails of the unit and include both a wood nailing strip and duct hanger supports. ANTI-RECYCLE TIMERS - Two solid state timers prevent the compressors from short-cycling. Once a compressor is de-energized, it will remain de-energized for approximately five minutes. HIGH ALTITUDE NATURAL GAS - Burner orifices and pilot orifices are provided for proper furnace operation at altitudes up to 6,000 feet. PROPANE - Burner orifices, pilot orifices and gas valve parts are provided to convert a natural gas furnace to propane. HIGH ALTITUDE PROPANE - Burner orifices and pilot orifices are provided for proper furnace operation at altitudes up to 6,000 feet. This accessory supplements the basic propane conversion kit. SIDE DUCT FLANGES - 1" flanges replace the supply and return air panels on the rear of the unit to accommodate horizontal duct connections. These flanges can also be used individually for bottom supply/horizontal return or horizontal supply/bottom return. They cannot be used on units with power exhaust. Description... 1 Factory-Installed Options... 2 Field-Installed Accessories... 2 Ratings... 4 Cooling Capacities... 5 Blower Performance... 6 Blower Motor and Drive Data... 7 Static and Power Exhaust Resistances... 7 TABLE OF CONTENTS Electrical Data - Clg. and Gas Heating... 7 Electrical Data - Units with Electric Heating... 8 Physical Data... 8 Field Wiring (DCE/DCG Units... Field Wiring (DCV Units... Unit Dimensions Point Loads Roof Curb Dimensions Typical Applications Unitary Products Group

3 BAROMETRIC RELIEF DAMPER - This damper accessory can be used to relieve internal air pressure on units with an economizer but no power exhaust. This accessory includes a rain hood, a bird screen and a fully assembled damper. With bottom duct connections, the damper should be mounted over the opening in the return air panel. With horizontal ductwork, the accessory should be mounted on the return air duct. ECONOMIZER / POWER EXHAUST RAIN HOODS - A rain hood accessory must be used on units with an economizer, a motorized damper, or a combined economizer with power exhaust option. These accessories include all the hood panels, the necessary components and hardware for field assembly TG4Y HIGH SPEED DRIVE - A smaller blower pulley and a shorter belt increase the speed of the supply air blower for applications with a higher CFM and/or static pressure requirement. LOW AMBIENT CONTROLS TO 0 F - An autotransformer and a thermostat maintain stable system operation by reducing the speed of the condenser fan motor at low outdoor temperatures. The kit also includes a 1-phase motor to replace the unit s standard 3-phase condenser fan motor. Standard units can operate down to 45 F. COIL GUARD KIT - Provides coil guard and fastners. SUNLINE / / / , / 7 / , * * : + 0 / , / * 4, ,, , / E I J= * , / , / , / , / , * +. H 5 E C A 2 E J 2 M A H 5 K F F O M EJ D - A? J H E? 0 A = J * / , -, * , / 5 5 1, - : 5 1, , * 6 6/ / / , , 4 1 * - 6, * " / 7 / - * / 0-5 GAS/ELECTRIC UNIT SHOWN Unitary Products Group 3

4 RATINGS CAPACITY RATINGS - (ARI 360* MODEL MBH EER IPLV COOLING WITH GAS HEAT D2CG300N D2CG300N COOLING ONLY D2CE MODEL MBH EER IPLV COOLING WITH ELECTRIC HEAT D2CE300E D2CE300E D2CE300E D2CE300E NOTE: All cooling is three-stage *Outside the scope of ARI Standard 340/360. EER = Energy Efficiency Ratio at full load - the cooling capacity in Btu s per hour (Btuh divided by the power input in watts,expressed in Btuh per watt (Btuh/watt. IPLV = Integrated part load value. GAS HEAT RATINGS MBH MBH MODEL INPUT OUTPUT Stage Stage Stage Stage 1 & & 2 1 D2CG300N D2CG300N NOTE: All gas units are two-stage heating. First stage is 50% of total. All models are 80% Steady State Efficiency (S.S.E.. INDOOR SOUND POWER RATINGS Sound Power (db Watts Octave Band Centerline Frequency (Hz ESP Blower Unit CFM Size SWL IWG RPM BHP ,000 2,000 4,000 8,000 db(a , , *At a distance of 10 ft.from the blower. NOTE: These values have been derived using a model of sound propagation, measuring the indoor ambient sound levels ten feet from the source. The dba values provided are for reference only. Calculation of dba values cover matters of system design and application. This constitutes an exception to any specification or guarantee requiring a dba value or sound data in any other form than sound power level ratings. 10 Ft* 4 Unitary Products Group

5 COOLING CAPACITIES - 25 TON (DCE / DCG300 Air On Temperature of Air on Condenser Coil Evaporator 85 F 5 F Coil Total Power Sensible Capacity 1, MBH Total Power Sensible Capacity 1, MBH CFM WB Cap. 1 Input 2 Entering Dry Bulb, F Cap. 1 Input 2 Entering Dry Bulb, F F MBH KW MBH KW , , , , , , Air On Temperature of Air on Condenser Coil Evaporator 105 F 115 F Coil Total Power Sensible Capacity 1, MBH Total Power Sensible Capacity 1, MBH CFM WB Cap. 1 Input 2 Entering Dry Bulb, F Cap. 1 Input 2 Entering Dry Bulb, F F MBH KW MBH KW , , , , , , These capacities are gross ratings. For net capacity, deduct the heat of the supply air blower motor, MBH = x KW. Refer to the appropriate Blower Performance Table for the KW of the supply air blower motor. 2These ratings include the condenser fan motors (Total 2.3 KW and the compressor motors but not the supply air blower motor TG4Y Nominal Rating All Sensible Capacity Unitary Products Group 5

6 BLOWER PERFORMANCE - 25 TON (DCE/DCG300 DCE300 - BOTTOM DUCT CONNECTIONS (COOLING APPLICATIONS BLOWER PULLEY 7500 CFM 8750 CFM CFM CFM CFM SPEED TURNS ESP OUTPUT INPUT ESP OUTPUT INPUT ESP OUTPUT INPUT ESP OUTPUT INPUT ESP OUTPUT INPUT (rpm OPEN: (iwg (bhp (kw (iwg (bhp (kw (iwg (bhp (kw (iwg (bhp (kw (iwg (bhp (kw STANDARD DRIVE: * ORY DRIVE: NOTES: Blower performance is based on cooling only unit, with fixed outdoor air, 2" T/A filters and a dry evaporator coil. Refer to page 7 for additional static resistances. ESP - External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the total static pressure of the blower. * FACTORY SETTING BLOWER PERFORMANCE - 25 TON (DCE/DCG300 DCG300 - BOTTOM DUCT CONNECTIONS (COOLING APPLICATIONS BLOWER PULLEY 7500 CFM 8750 CFM CFM CFM CFM SPEED TURNS ESP OUTPUT INPUT ESP OUTPUT INPUT ESP OUTPUT INPUT ESP OUTPUT INPUT ESP OUTPUT INPUT (rpm OPEN: (iwg (bhp (kw (iwg (bhp (kw (iwg (bhp (kw (iwg (bhp (kw (iwg (bhp (kw STANDARD DRIVE: * ORY DRIVE: NOTES: Blower performance is based on cooling only unit, with fixed outdoor air, 2" T/A filters and a dry evaporator coil. Refer to page 7 for additional static resistances. ESP - External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the total static pressure of the blower. * FACTORY SETTING 6 Unitary Products Group

7 BLOWER MOTOR AND DRIVE DATA BLOWER MODEL SIZE DRIVE RANGE (RPM STATIC RESISTANCES* AIRFLOW (CFM DESCRIPTION ESP ESP ESP ESP ESP (IWG (IWG (IWG (IWG (IWG DEDUCTIONS: (SUBTRACT VALUES BELOW FROM UNIT'S AVAILABLE ESP ALLOWANCE FOR WET COIL: ECONOMIZER (RETURN DUCT: kW ELECTRIC HEAT: kW ELECTRIC HEAT: kW ELECTRIC HEAT: kW ELECTRIC HEAT: ADDITIONS: (ADD VALUES BELOW TO UNIT'S AVAILABLE ESP HORIZONTAL (SIDE SUPPLY DUCT: HORIZONTAL (SIDE RETURN DUCT: POWER EXHAUST PERFORMANCE MOTOR 1 ADJUSTABLE MOTOR PULLEY FIXED BLOWER PULLEY HP FRAME EFF. (% DESIG- NATION OUT- SIDE DIA. (IN. PITCH DIA. (IN. BORE (IN. DESIG- NATION OUTSIDE DIA. (IN. PITCH DIA. (IN. BORE (IN. BELT (NOTCHED PITCH DESIG- LENGTH NATION (IN. Standard 75/1165 1B5V /16 5VX TON High T 1 1LVP58B70A /8 7.4 Speed 1140/1365 1B5V /16 5VX Access 1All motors have a nominal speed of 1800 RPM, a 1.15 service factor and a solid base. They can operate to the limit of their service factor because they are located in the moving air, upstream of any heating device. MOTOR SPEED STATIC RESISTANCE OF RETURN DUCTWORK, IWG CFM KW CFM KW CFM KW CFM KW CFM KW HIGH* TG4Y QTY. MEDIUM LOW *Factory Setting Power Exhaust motor is a 3/4 HP, PSC type with sleeve bearings, a 48 frame and inherent protection. ELECTRICAL DATA - Cooling Only Units and Units With Gas Heat ELECTRICAL DATA - Cooling Only Units & Units With Gas Heat COMPRESSORS COND. FAN SUPPLY AIR MINIMUM MAXIMUM MODEL NO. POWER (QTY. 2 (#1 & #2 BLOWER MOTOR CIRCUIT OVERCURRENT SUPPLY RLA LRA HP FLA HP RLA AMPACITY DEVICE (1 (ea. (ea. (ea. (ea. (AMPS (AMPS D2CE / & D2CG VOLTAGE POWER SUPPLY MIN. MAX. VOLTAGE 208/ LIMITATIONS** **Rated in accordance with ARI Standard 110, utilization range "A". Unitary Products Group 7

8 ELECTRICAL DATA - Units With Electric Heat MINIMUM MAXIMUM ELECTRIC HEATER OPTION MODEL POWER CIRCUIT OVERCURRENT D2CE SUPPLY MODEL kw(1 STAGES AMPS AMPACITY DEVICE (AMPS (AMPS 300A E A E A E A E A E A E A E A E A E A E A E A E A E A E NOMINAL VOLTAGE VOLTAGE KW CAP. MULTIPLIER PHYSICAL DATA BASIC UNITS EVAPORATOR BLOWER EVAPORATOR COIL CONDENSER FAN (Two Per Unit CONDENSER COIL COMPRESSOR (Qty. Per Unit AIR FILTERS CHARGE MODELS DCE/DCG/DCV 300 CENTRIFUGAL BLOWER (Dia. x Wd. in. 18 x 15 FAN MOTOR HP 15 ROWS DEEP 4 FINS PER INCH 13.5 FACE AREA (Sq. Ft PROPELLER DIA. (in. (Each 30 FAN MOTOR HP (Each 1 NOM. CFM TOTAL (Each 7200 ROWS DEEP 3 FINS PER INCH 15 FACE AREA (Sq. Ft TON, SCROLL, HERMETIC, TANDEM (2 STAGE, 50% ea. 2 QUANTITY PER UNIT (16" X 20" X 2" 2 QUANTITY PER UNIT (16" X 25" X 2" 4 QUANTITY PER UNIT (14" X 20" X 2" 3 TOTAL FACE AREA (sq. ft REFRIGERANT 22 (lbs./oz. SYSTEM NO. 1 20/8 SYSTEM NO. 2 20/0 OPERATING WEIGHTS MODEL SIZE (MBH 300 DCE (Cooling only 2730 DCV (Cooling only 275 Basic Unit DCG (Gas / Electric N N DCV (Gas / Electric N N Economizer 160 Economizer with Power Exhaust 245 Options Motorized Damper KW 25 Electric Heater 36 KW 30 (Elec/Elec only 54 KW KW 40 Roof Curb 185 Barometric Damper 45 Accessories Economizer/Motorized Damper Rain Hood 55 Economizer/Power Exhaust Rain Hood 0 Wood Skid Unitary Products Group

9 FIELD WIRING - DCE/DCG Electric/Electric and Gas/Electric Units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nitary Products Group

10 UNIT DIMENSIONS - (DCE / DCG - 25 TON BLOWER BLOWER MOTOR BLOWER COMPARTMENT (Auxiliary DOT PLUG (For pressure Drop Reading FRONT VIEW ELEC/ELEC MODELS UNIT BASE WITH RAILS Shown separately to illustrate Bottom Duct openings and Power Connection locations NOTE: For curb mounted units, refer to the curb hanger dimensions of the curb for the proper size of the supply and return air duct connections. FIELD-SUPPLIED DISCONNECT SWITCH LOCATION 125-1/4" (15 TON 136-1/4" (20 TON ELECTRIC HEAT CONTROL BOX 24-1/4" (15 TON 36-1/4" (20 TON 35" 21" 5" -3/4" 5-7/8" RETURN AIR 33" SUPPLY AIR 2-3/4" 21-1/2" -1/4" 12-1/2" ECONOMIZER / MOTORIZED DAMPER, FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS (See detail "Y" COMPRESSOR (See detail "X" 11-1/2" 2" BOTTOM SUPPLY AND RETURN AIR OPENINGS (See Note 8-1/8" -3/4" OPTIONAL COIL GUARD KIT 48-5/8" (15TON 52-5/8" (20TON (A CONTROL WIRING (B POWER WIRING 3-3/4" CONDENSER COILS (B POWER WIRING (A CONTROL WIRING RETURN AIR SUPPLY AIR OUTDOOR AIR OUTDOOR AIR (Economizer All dimensions are in inches. They are subject to change without notice. Certified dimensions will be provided upon request. UTILITIES DATA HOLE OPENING SIZE (DIA. USED FOR A 1-1/8" KO Control Front 3/4" NPS (Fem. Wiring Bottom B 3-5/8" KO Power Front 3" NPS (Fem. Wiring Bottom C 2-3/8" KO Gas Piping (Front 1 D 1-11/16" Hole Gas Piping (Bottom 1,2 1 1" piping MPT required 2 Opening in the bottom of the unit can be located by the slice in the insulation. BLOWER BLOWER MOTOR BLOWER COMPARTMENT (Auxiliary DOT PLUG (For pressure Drop Reading GAS HEAT VENT AIR OUTLET HOODS COMBUSTION AIR INLET HOOD (C GAS SUPPLY FRONT VIEW GAS/ELEC MODELS UNIT BASE WITH RAILS Shown separately to illustrate Bottom Duct openings, Power and Gas Piping Connection locations NOTE: For curb mounted units, refer to the curb hanger dimensions of the curb for the proper size of the supply and return air duct connections. FIELD-SUPPLIED DISCONNECT SWITCH LOCATION 136-1/4 CONTROL BOX (D GAS SUPPLY 6-3/8" 35-1/4 35" 33" 21" 5" 7-1/8" 5-7/8" -3/4" 46-5/8" RETURN AIR SUPPLY AIR 2-3/4" 21-1/2" 11-1/8" 46-5/8" -1/4" 12-1/2" ECONOMIZER / MOTORIZED DAMPER, FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS (See detail "Y" COMPRESSOR (See detail "X" OPTIONAL COIL GUARD KIT 2" 11-1/2" BOTTOM SUPPLY AND RETURN AIR OPENINGS (See Note 8-1/8" -3/4" 52-5/8 (A CONTROL WIRING (B POWER WIRING 3-3/4" CONDENSER COILS (B POWER WIRING (A CONTROL WIRING RETURN AIR SUPPLY AIR OUTDOOR AIR OUTDOOR AIR (Economizer CLEARANCES Front 36" Back 24" (Less Economizer 4" (With Economizer Left Side (Filter Access 24" (Less Economizer 36" (With Economizer Right Side (Cond. Coil 36" Below Unit 1 20" 72" With 36" Maximum Above Unit 2 Horizontal Overhang (For Condenser Air Discharge 1Units (applicable in U.S.A. only may be installed on combustible floors made from wood or class A, B or C roof covering material. 2 Units must be installed oudoors. Overhanging structures or shrubs should not obstruct condenser air discharge outlet. NOTE: ELEC/ELEC Models: Units and ductwork are approved for zero clearance to combustible materials when equipped with electric heaters. GAS/ELEC Models: A 1" clearance must be provided between any combustible material and the supply air ductwork for a distance of 3 feet from the unit. The products of combustion must not be allowed to accumulate within a confined space and recirculate. Locate unit so that the vent air outlet hood is at least: Three (3 feet above any forced air inlet located within 10 horizontal feet (excluding those integral to the unit. Four (4 feet below, 4 horizontal feet from, or 1 foot above any door or gravity air inlet into the building. Four (4 feet from electric meters, gas meters, regulators and relief equipment. 10 Unitary Products Group

11 UNIT DIMENSIONS - CONT D. - (DCE / DCG - 25 TON GAUGE LINE 40-3/8" 5-1/2" COMPRESSOR SUPPLY AIR CONDENSER SECTION RETURN AIR SUPPLY AIR RETURN AIR 18-5/8" REAR VIEW 27-3/4" 5-1/8" OUTDOOR AIR 2-5/8" (15 TON 3-5/8 3-5/8" (20 TON 40-1/2" OUTDOOR AIR COMPARTMENT EVAPORATOR SECTION DOT PLUG (For pressure drop reading FILTER 1" NPT FEMALE COND. DRAIN CONNECTION DETAIL X ORY SIDE SUPPLY AND RETURN AIR OPENINGS , : , , 4 1 0, 4 A J K H EH + F = H J A J K H EH + F = - H + J A J , -, 2-4, : , TG4Y DUCT COVERS - Units are shipped with the bottom duct openings covered. An accessory flange kit is available for connecting side ducts. For bottom duct applications: 1. Remove the side panels from the supply and return air compartments to gain access to the bottom supply and return air duct covers. 2. Remove and discard the bottom duct covers. (Duct openings are closed with sheet metal covers except when the unit includes a power exhaust option. The covering consists of a heavy black paper composition. 3. Replace the side supply and return air compartment panels. For side duct applications 1. Replace the side panels on the supply and return air compartments with the accessory flange kit panels. 2. Connect ductwork to the duct flanges on the rear of the unit.! " " $ &. 1 : -, 7 6, ,? = J 4 A J K H EH + F = H J A J +, , 4 1 K I J > A J H = F F #! $ $ $! $ " ' , , 5 56" 44" 136-1/4" CENTER OF GRAVITY Unitary Products Group 11

12 POINT LOADS * ,. 4 6, 4 POINT LOADS * 6 POINT LOADS DCE 4 - POINT LOADS (LBS UNIT TOTAL A B C D 300 2, DCE 6 - POINT LOADS (LBS UNIT TOTAL A B C D E F 300 2, NOTE: These weights are with economizer and 24kW electric heat. DCG 4 - POINT LOADS (LBS UNIT TOTAL A B C D 300 3, DCG 6 - POINT LOADS (LBS UNIT TOTAL A B C D E F 300 3, NOTE: These weights are with economizer, high heat and oversized motor. 12 Unitary Products Group

13 ROOF CURB DIMENSIONS - (DCE / DCG - 25 TON TG4Y 25-1/4" 126-5/16" ROOF CURB BENEFITS 126-1/4" 1 The 2" space between the ducts allows for jumping an existing roof joist. 2 The 58-1/2" overall dimension of the ducts allows ductwork penetration between roof joists that are spaced on 72" centers. NOTE: Ducts can be installed onto the curb from the roof. All electrical and gas line connections can be made inside the curb. UNIT AND CURB APPLICATION 3.6" 3.56" BASE RAIL Unitary Products Group 13

14 TYPICAL APPLICATIONS TYPICAL ROOF-TOP INSTALLATION (GAS/ELECTRIC UNIT SHOWN 14 Unitary Products Group

15 Unitary Products Group 15

16 208/230, 460 VOLT 208/230, 575 VOLT Unitary Products Group 5005 York Drive, Norman, Oklahoma 7306 Subject to change without notice. Printed in U.S.A. Copyright by York International Corporation All Rights Reserved. Code: EBY, EGY TG4Y(600 Supersedes: TG4Y(4/6