Specifications

Air-Cooled Portable Chillers

Nominal operating parameters for 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.

GPAC-20

PERFORMANCE (NOMINAL DESIGN CONDITIONS)

COOLING CAPACITY

4.65

TONS

ALTITUDE

 

 

 

SEA LEVEL

 

 

 

 

 

 

 

 

COOLANT SUPPLY TEMPERATURE

50

°F

COMPRESSOR POWER

 

4936

 

WATTS

AMBIENT AIR TEMPERATURE

95

°F

EER

 

11.31

 

BTU/WATT

 

 

 

 

 

 

 

 

COOLANT

WATER

 

CONDENSER AIR FLOW

 

4230

 

CFM

 

 

 

 

 

 

 

 

COOLANT FLOW

11

GPM

SOUND POWER LEVEL

 

86

 

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

AMBIENT AIR TEMPERATURE

60-115

°F

MINIMUM LOAD

 

0.944

 

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

ALUMINUM

 

REFRIGERANT

 

3 LBS R-410A

 

CONDENSER FANS

24 INCH AXIAL

 

FRAME

 

GALVANIZED STEEL

CONDENSER FAN MOTOR

1/2 HP OAO, 1140 RPM

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

 

 

 

 

 

 

 

 

GPAC-30

PERFORMANCE (NOMINAL DESIGN CONDITIONS)

COOLING CAPACITY

7.30

TONS

ALTITUDE

 

 

 

SEA LEVEL

COOLANT SUPPLY TEMPERATURE

50

°F

COMPRESSOR POWER

 

7579

 

WATTS

AMBIENT AIR TEMPERATURE

95

°F

EER

 

11.56

 

BTU/WATT

COOLANT

WATER

 

CONDENSER AIR FLOW

 

6343

 

CFM

COOLANT FLOW

18

GPM

SOUND POWER LEVEL

 

92

 

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

AMBIENT AIR TEMPERATURE

60-115

°F

MINIMUM LOAD

 

1.504

 

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

ALUMINUM

 

REFRIGERANT

 

4 LBS R-410A

 

 

 

 

 

 

 

CONDENSER FANS

24 INCH AXIAL

 

FRAME

 

GALVANIZED STEEL

CONDENSER FAN MOTOR

1 HP OAO, 1140 RPM

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

 

 

 

 

 

 

 

 

GP Series Portable Chillers

Chapter 7: Appendix

60 of 90

Page 60
Image 60
Sterling 882.93092.01 manual Specifications, Air-Cooled Portable Chillers

882.93092.01 specifications

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