Sterlco GC Series Central Chiller - Manual (Page 54)

GC Series Central Chillers Chapter 7: Appendix 54 of 79
7-3 Specifications
Remote Air-Cooled Central Chillers
Nominal operating parameters for remote air-cooled models are 50ºF (10ºC) leaving water temperature at
2.4 gpm per ton (9.1 lpm per 3.517 kW) with 95ºF (35ºC) ambient air. For 50 Hz applications, multiply
capacity by 0.83. Nominal 60 Hz capacity flow rate must be maintained.
20 TON (GCRC-70)
PERFORMANCE (NOMINAL DESIGN CONDITIONS)
COOLING CAPACITY 20.16 TONS ALTITUDE SEA LEVEL
COOLANT SUPPLY
TEMPERATURE
50 °F COMPRESSOR POWER 20048 WATTS
AMBIENT AIR TEMPERATURE 95 °F EER 12.07 BTU/WATT
COOLANT WATER
COOLANT FLOW 48 GPM SOUND POWER LEVEL 89 dBA
UNIT PRESSURE DROP 7 PSID
SOUND PRESS LEVEL @ 1
METER
dBA
OPERATING PARAMETERS
COOLANT SUPPLY
TEMPERATURE
20-80 °F COOLANT FLOW 24-96 GPM
AMBIENT AIR TEMPERATURE 60-115 °F MINIMUM LOAD 4.03 TONS
SPECIFICATIONS
COMPRESSOR SCROLL FRAME GALVANIZED STEEL
EVAPORATOR BRAZED PLATE COOLANT CIRCUIT NON-FERROUS
EVAPORATOR FILTER 20 MESH WEIGHT (OPERATING) 1296.8 LBS
POWER 460V/3PH/60HZ WEIGHT (SHIPPING) 626.8 LBS
CONTROL CIRCUIT 24/120 VAC ELECTRICAL ENCLOSURE NEMA 4/12
COMPRESSOR RATED LOAD
AMPS
(2) @ 17.9 AMPS EACH CONTROL MICROPROCESSOR
20 TON (GCRC-70)
SPECIFICATIONS
AMBIENT TEMPERATURE
RANGE
-20 to 115 °F SOUND POWER LEVEL 89 dBA
CONDENSER AIR FLOW 16916 CFM
SOUND PRESS LEVEL @ 1
METER
dBA
CONDENSER ALUMINUM FRAME GALVANIZED STEEL
CONDENSER FANS (2) 32 INCH AXIAL PANELS
POWDER COATED
STEEL
CONDENSER FAN MOTOR
(2) 1 HP OAO, 1140 RPM , 2.1
FLA
WEIGHT (SHIPPING) 692 LBS
POWER 460V/3PH/60HZ