GR4GN Series TECHNICAL SPECIFICATIONS. Single Packaged Gas/Electric Units. GR4GN 10.1 EER Commercial System 7½ and 10 Ton Units FEATURES AND BENEFITS

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1 TECHNICAL SPECIFICATIONS GR4GN Series Single Packaged Gas/Electric Units GR4GN 10.1 EER Commercial System 7½ and 10 Ton Units The GR4GN is designed specifically for retrofit applications and compatibility with most standard footprints. The GR4GN takes less time to install and retrofit, making the contractor's job more profitable. The GR4GN offers flexibility in the replacement market by utilizing a database of major manufacturer's unit footprints and offers roof curb transitions to meet virtually any configuration. Model GR4GN-090C200C Shown FEATURES AND BENEFITS Lifting Lugs Eliminates need for spacer bar and complicated rigging helps protect the unit during installation. Convertible Air Delivery Fits most standard applications and easily converts to horizontal airflow with kit. Compatibility Fits most standard rooftop applications can be easily adapted for exceptions. Footprint database available for cross-reference. Mesh Hail Guard Will never rust and protects the coil from hail. Fully Insulated Bottom Pan Helps ensure quiet operation and prevents condensation. Quick-Release Filter Access Panels Requires no special servicing tools. 20-Gauge Precoated Paint Promotes corrosion resistance and long life. Two-Stage Heating and Cooling Offers heat ranges from 120,000 to 235,000 Btu/h. Offers cooling ranges from 45,000/90,000 to 57,000/115,000 Btu/h. Dual refrigeration circuits. For Easy Service Hi/low service ports allow quick access without disrupting operation. Hi/low pressure switches ensure long compressor life. Proven, industry standard components for service and availability. Commercial Warranty 1 year limited parts 5 year compressor 10 year limited heat exchanger. Removable Baserail System Designed for one piece removal. Baserail must be removed for curb applications.

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3 Heavy Gauge Lifting Plates Condenser Fan Assemblies Electrical Disconnect Mounting Panel High/Low Pressure Switch Protection Liquid Line Filter Driers High Efficiency Compressors with Crankcase Heaters Control Wiring Entry Power Wiring Entry Field Supplied Field Installed Kit Required Belt Drive Blower Motor Condenser and Evaporator Coils Quick Release Filter Panel Durable Pre-Coat Paint Knockouts for Bottom Power Entry 3/4" PVC Condensate Drain Gas Valve and Burner Assembly Easy Access Control Panel Aluminized Steel Tubular Heat Exchanger Inducer Motor Gas Supply Entry Removable Baserail Assembly Model GR4GN-120C235C Shown 3

4 GR4GN-090 SERIES PHYSICAL DATA Dimensions shown in inches (mm) Corner "A" Inducer Motor Corner "B" 52 (1321) Vent Hood Blower Assembly CG 10.5 (267) Gas Supply Entry Heat Exchanger 4.25 (108) 3.5 (89) HEAT EXCHANGER END Evaporator Filters (4) Condenser Fan Airflow Corner "C" Lifting Plates TOP VIEW 96.25" (2445 mm) Corner "D" Condenser Coil Electrical Supply Entries Compressors (2) 17 (432?) 11 (279) 4.5 (114) Condensate Drain CONDENSER END (108) 29 (736) 2.0 (51) 30.5 (775) 33.5 (851) 28.3 (719) FRONT VIEW (2445) 59.1 (1501) Return Air 25.2 (641) 69.4 (1763) 1.5 (38) See Table for Height Dimension 4.25 (108) Heater Access Filter Access Horizontal Return Air 30 (762) Horizontal Discharge Air 30 (762) 4 (102) 4 (102) Condenser Coil (160) Power Entry Discharge Air 30.5 (775) 30.5 (775) 3 (76) 3 (76) 7 (178) 5 (127) 7 (178) REAR VIEW BOTTOM PAN TOP VIEW 5 (127) 4 Model No. Unit Weight Shipping Weight Center of Gravity Inches (mm) Lbs. Kg. Lbs. Kg A B Lbs. Kg Lbs. Kg Lbs. Kg Lbs. Kg GR4GN-090C200C (1130) 24 (610) (991) (1098) GR4GN-090D200C (1130) 24 (610) (991) (1098) GR4GN-090N200C (1130) 24 (610) (991) (1098) Unit weight without packaging or field installed accessories. Field installed kit Unit weight with Baserails, without packaging or field installed accessories. Corner Weights A B C D without Baserails Unit Height with Baserails

5 GR4GN-120 SERIES PHYSICAL DATA Dimensions shown in inches (mm) Corner "A" Corner "B" 52 (1321) Inducer Motor 23.0 Vent Hood Heat Exchanger Blower Assembly Evaporator CG Condenser Fans 15 (381) 4.25 (108) 3.5 (89) Gas Supply Entry HEAT EXCHANGER END Filters (4) Corner "C" TOP VIEW Corner "D" Airflow Lifting Plates 96.25" (2,445 mm) Condenser Coil Electrical Supply Entries Compressors (2) 29 (736) 23 (449) 4.5 (114) Condensate Drain CONDENSER END (108) 29 (736) 2.0 (51) 30.5 (775) 33.5 (851) 28.3 (719) FRONT VIEW 25.2 (641) 69.4 (1763) 59.1 (1501) Return Air See Table for Height Dimension 4.25 (108) Heat Exchanger Access Filter Access Horizontal Return Air 30 (762) Horizontal Discharge Air 30 (762) 4 (102) 4 (102) Condenser Coil (160) Power Entry Discharge Air 30.5 (775) 30.5 (775) 3 (76) 3 (76) 7 (178) 5 (127) 5 (127) 7 (178) REAR VIEW BOTTOM PAN TOP VIEW Model No. Unit Weight Shipping Weight Center of Gravity Inches (mm) Lbs. Kg. Lbs. Kg A B Lbs. Kg Lbs. Kg Lbs. Kg Lbs. Kg GR4GN-120C235C (1092) 23 (584) (1295) (1403) GR4GN-120D235C (1092) 23 (584) (1295) (1403) GR4GN-120N235C (1092) 23 (584) (1295) (1403) Unit weight without packaging or field installed accessories. Field installed kit Unit weight with Baserails, without packaging or field installed accessories. Corner Weights A B C D without Baserails Unit Height with Baserails 5

6 SPECIFICATIONS AND ELECTRICAL DATA Model GR4GN- 090C200C 090D200C 090N200C 120C235C 120D235C 120N235C Performance Heating Input BTUH (High)-Nat. 200, , , , , ,000 Heating Output BTUH (High)-Nat. 156, , , , , ,000 Heating Input BTUH (Low)-Nat. 120, , , , , ,000 Heating Output BTUH (Low)-Nat. 95,000 95,000 95, , , ,000 Heating Input BTUH (High)-L.P. 175, , , , , ,000 Heating Output BTUH (High)-L.P. 136, , , , , ,000 Heating Input BTUH (Low)-L.P. 105, , , , , ,000 Heating Output BTUH (Low)-L.P. 82,000 82,000 82,000 98,000 98,000 98,000 Capacity-Cooling BTUH (High) 90,000 90,000 90, , , ,000 Capacity-Cooling BTUH (Low) 45,000 45,000 45,000 58,000 58,000 58,000 Heating-Steady State Efficiency 78.5% 78.5% 78.5% 80.0% 80.0% 80.0% Cooling-Efficiency (ASHRAE 90.1) Electrical Rating - 60 Hz. Phase EER (MIN) EER (MIN) 3 3 Operating Voltage Maximum Rated Ampacity Minimum Circuit Ampacity (MCA) Max. Overcurrent Protection (MOP) Compressor Data 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. 2 ea. Volts 208/ / Rated Load Amps Lock Rotor Amps Indoor Blower - Belt Drive Wheel Diameter 12 x x x x x x 15 Motor-HP/RPM 2 / / / / / / 1725 Motor Amps Airflow Range (CFM) Outdoor Fan(s) 1 ea. 1 ea. 1 ea. 2 ea. 2 ea. 2 ea. Motor-HP/RPM 3/ / / / / / Motor Amps Fan Diameter/CFM 24" / " / " / " / " / " / 8600 Refrigerant Charge - oz. Stage 1 Circuit Stage 2 Circuit High Pressure Switch (PSIG) 425 ± 10 Manual Reset 425 ± 10 Manual Reset Loss of Charge Switch (PSIG) Cut Out: 5 ± 5 Cut Out: 5 ± 5 Cut In: 20 ± 5 Cut In: 20 ± 5 Freeze Protection Thermostat Opens ( F): 28 ± 5 Opens ( F): 28 ± 5 Closes ( F): 57 ± 6 Closes ( F): 57 ± 6 Filters Style Disposable - 2" Pleated Disposable - 2" Pleated Size (Qty.) 16" x 20" x 2" (4) 16" x 25" x 2" (4) Gas Supply Size 3/4" 3/4" 6

7 GR4GN-090(*) COOLING (With One Compressor Operating) O.D.T 65 F 75 F 85 F 95 F CFM E.D.B. E.W.B. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W GR4GN-090(*) COOLING (With Two Compressors Operating) O.D.T 85 F 95 F 105 F 115 F CFM E.D.B. E.W.B. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W T.C.- Total net cooling capacity (mbtuh). S.C.- Sensible cooling capacity (mbtuh). 7

8 GR4GN-0120(*) COOLING (With One Compressor Operating) O.D.T 65 F 75 F 85 F 95 F CFM E.D.B. E.W.B. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W GR4GN-0120(*) COOLING (With Two Compressors Operating) O.D.T 85 F 95 F 105 F 115 F CFM E.D.B. E.W.B. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W. T.C. S.C. K.W T.C.- Total net cooling capacity (mbtuh). S.C.- Sensible cooling capacity (mbtuh). 8

9 GR4GN-090*-200C Series Fan Performance Vertical Discharge External Static Pressure (Inches Water Column) Air Volume BHP BHP BHP BHP BHP BHP BHP BHP (CFM) RPM RPM RPM RPM RPM RPM RPM RPM (KW) (KW) (KW) (KW) (KW) (KW) (KW) (KW) Horizontal Discharge External Static Pressure (Inches Water Column) Air Volume BHP BHP BHP BHP BHP BHP BHP BHP (CFM) RPM RPM RPM RPM RPM RPM RPM RPM (KW) (KW) (KW) (KW) (KW) (KW) (KW) (KW) Notes: 1. BHP - Brake Horsepower Input to Fan 2. Boldface indicates factory recommended blower operating range. 3. Values include losses for air filters, unit casing, and dry evaporator coil. See Accessory Performance Data table for additional static pressure information. 9

10 GR4GN-120*-235C Series Fan Performance Vertical Discharge External Static Pressure (Inches Water Column) Air Volume BHP BHP BHP BHP BHP BHP BHP BHP (CFM) RPM RPM RPM RPM RPM RPM RPM RPM (KW) (KW) (KW) (KW) (KW) (KW) (KW) (KW) Horizontal Discharge External Static Pressure (Inches Water Column) Air Volume BHP BHP BHP BHP BHP BHP BHP BHP (CFM) RPM RPM RPM RPM RPM RPM RPM RPM (KW) (KW) (KW) (KW) (KW) (KW) (KW) (KW) Notes: 1. BHP - Brake Horsepower Input to Fan 2. Boldface indicates factory recommended blower operating range. 3. Values include losses for air filters, unit casing, and dry evaporator coil. See Accessory Performance Data table for additional static pressure information. 10

11 Air Wet Model No. Volume Evaporator Downflow (CFM) Coil Economizer GR4GN Air Wet Model No. Volume Evaporator Down Flow (CFM) Coil Economizer GR4GN Bold italicized numbers indicate factory blower setting. Accessory Performance Data Total Resistance (inches water column) Step Down Diffuser System Flush Mount Horizontal 2 Ends 2 Ends Open 2 Ends Open Throw Diffuser Throw Economizer Open w/1 Side Open w/2 Sides Open Feet System Feet Total Resistance (inches water column) Step Down Diffuser System Flush Mount Horizontal 2 Ends Open 2 Ends Open 2 Ends Open Throw Diffuser Throw Economizer w/1 Side Open w/2 Sides Open Feet System Feet

12 ACCESSORIES - 7 1/2 AND 10 TON GR4GN Nordyne (*)R4GN (*)R4GN Part # Description Hinged Roof Curb 8" High - K/D X X Hinged Roof Curb 14" High - K/D X X Hinged Roof Curb 18" High - K/D X X Hinged Roof Curb 24" High - K/D X X % Manual Outside Air Damper X % Motorized Damper - Only X X (Requires either or Panel Kit) Economizer - Modulating w/ Relief, Adapts Horizontal X Economizer - 3 Position w/ Relief, Adapts Horizontal X Economizer - 3 Position w/ Relief, Adapts Horizontal X Economizer - Modulating w/ Relief, Adapts Horizontal X Power Exhaust - Prop (208/230v/3ph), Adapts Horizontal X Power Exhaust - Prop (460v/3ph), Adapts Horizontal X Power Exhaust - Prop (575v/3ph), Adapts Horizontal X " Supply & Return Transition Round X " Flush Mount Concentric Diffuser Round X " Step Down Concentric Diffuser Round X Horizontal Supply & Return Kit X Hooded Hail Guard X CO2 Sensor - 4-9v dc X X % Manual Outside Air Damper X Power Exhaust - Prop (208/230v/3ph), Adapts Horizontal X Power Exhaust - Prop (460v/3ph), Adapts Horizontal X Power Exhaust - Prop (575v/3ph), Adapts Horizontal X " x 28" Supply & Return Transition X " x 28" Flush Mount Concentric Diffuser X " x 28" Step Down Concentric Diffuser X Horizontal Supply & Return Kit X Hooded Hail Guard X Thermostat-2 stage Heat/Cool X X Low Ambient Kit X X LP Conversion Kit X X Bottom Power Entry Kit X X 235B-0207 (Replaces 235B-0506) O'Fallon, MO Before purchasing this appliance, read important energy cost and efficiency information available from your retailer. Specifications and illustrations subject to change without notice and without incurring obligations. Printed in U.S.A. (02/07)