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GP Series Portable Chillers Chapter 7: Appendix 65 of 90
Water-Cooled Portable Chillers
Nominal operating parameters for water-cooled models are 50ºF (10ºC) leaving water temperature at 2.4 gpm per ton
(9.1 lpm per 3.517 kW) with 85ºF (29ºC) tower water. For 50 Hz applications, multiply capacity by 0.83. Nominal 60
Hz capacity flow rate must be maintained.
GPWC-20
PERFORMANCE (NOMINAL DESIGN CONDITIONS, 60 HZ)
COOLING CAPACITY 5.12 TONS ALTITUDE SEA LEVEL
COOLANT SUPPLY TEMPERATURE 50 °F COMPRESSOR POWER 4064 WATTS
CONDENSER INLET WATER
TEMPERATURE
85 °F EER 15.13 BTU/WATT
COOLANT WATER CONDENSER WATER FLOW 15.9 GPM
COOLANT FLOW 13 GPM SOUND POWER LEVEL dBA
UNIT PRESSURE DROP 7 PSID SOUND PRESSURE LEVEL @ 1 METER dBA
OPERATING PARAMETERS
COOLANT SUPPLY TEMPERATURE 20-80 °F COOLANT FLOW 6-24 GPM
CONDENSER INLET WATER
TEMPERATURE
50-90 °F MINIMUM LOAD 1.06 TONS
SPECIFICATIONS
COMPRESSOR SCROLL EVAPORATOR FILTER 20 MESH
COOLANT PUMP
STAINLESS STEEL CENTRIFUGAL
COOLANT CIRCUIT NON-FERROUS
EVAPORATOR BRAZED PLATE CAPACITY CONTROL HOT GAS BYPASS
CONDENSER TUBE IN TUBE REFRIGERANT 3 LBS R-410A
FRAME GALVANIZED STEEL
PANELS POWDER COATED STEEL
RESERVOIR 20 GALLON POLYETHYLENE WEIGHT (OPERATING) 690 LBS
POWER 460V/3PH/60HZ WEIGHT (SHIPPING) 520 LBS
CONTROL CIRCUIT 120 VDC ELECTRICAL ENCLOSURE NEMA 12
COMPRESSOR FULL LOAD AMPS 10.7 AMPS CONTROL MICROPROCESSOR
GPWC-30
PERFORMANCE (NOMINAL DESIGN CONDITIONS)
COOLING CAPACITY 7.98 TONS ALTITUDE SEA LEVEL
COOLANT SUPPLY TEMPERATURE 50 °F COMPRESSOR POWER 6416 WATTS
CONDENSER INLET WATER
TEMPERATURE
85 °F EER 14.92 BTU/WATT
COOLANT WATER CONDENSER WATER FLOW 25.08 GPM
COOLANT FLOW 20 GPM SOUND POWER LEVEL dBA
UNIT PRESSURE DROP 7 PSID
SOUND PRESSURE LEVEL @ 1
METER
dBA
OPERATING PARAMETERS
COOLANT SUPPLY TEMPERATURE 20-80 °F COOLANT FLOW 9-36 GPM
CONDENSER INLET WATER
TEMPERATURE
50-90 °F MINIMUM LOAD 1.672 TONS
SPECIFICATIONS
COMPRESSOR SCROLL EVAPORATOR FILTER 20 MESH
COOLANT PUMP
STAINLESS STEEL CENTRIFUGAL
COOLANT CIRCUIT NON-FERROUS
EVAPORATOR BRAZED PLATE CAPACITY CONTROL HOT GAS BYPASS
CONDENSER TUBE IN TUBE REFRIGERANT 4 LBS R-410A
FRAME GALVANIZED STEEL
PANELS POWDER COATED STEEL
RESERVOIR 20 GALLON POLYETHYLENE WEIGHT (OPERATING) 870 LBS
POWER 460V/3PH/60HZ WEIGHT (SHIPPING) 700 LBS
CONTROL CIRCUIT 120 VDC ELECTRICAL ENCLOSURE NEMA 12
COMPRESSOR FULL LOAD AMPS 16.4 AMPS CONTROL MICROPROCESSOR