Service manual

Technical Characteristics
Typical Low Side Pressure:
•• 12 PSIG
Typical Discharge Pressure
•• 125 PSIG at 70
o
F. room air temperature (air cooled) & 50
o
F. water
•• 160 PSIG at 90
o
F. room air temperature (air cooled) & 70
o
F. water
•• 135 PSIG water cooled.
Refrigerant Type
••R-134a
Refrigerant Charge:
••15 ounces air cooled.
••10 ounces water cooled.
Hi Pressure Cut Out Point:
••250 PSIG
Typical Compressor Amp Draw
••Compressor amps should be about 6 - 7.
Superheat
••6-8
o
F.
Air Cooled Fan Motor
••16 watt rating, 1500 RPM, CW
Water Cooled Fan Motor
••5 watt rating, 1500 RPM, CW.
Compressor:
••Tecumseh AE600AT-944-A4
Gearmotor:
••1/10 H.P., shaded pole motor, 11 RPM output shaft speed.
••Gearmotor amps will be about 2.8 - 3.2.
Bin Thermostat:
••45
o
F. cut in, 35
o
F. cut out (minimum).
••61
o
F. cut in, 51
o
F. cut out (maximum).
Water Pressure Switch
••10 PSI Cut Out, 20 PSI Cut In
Auger Delay Pressure Control - SPDT:
••Contacts 3-2 close at 32 PSIG, open at 20 PSIG.
••Contacts 1-2 close at 20 PSIG, open at 32 PSIG.
AFE400
May 1995
Page 17