Service manual

Technical Characteristics
Typical Cycle Time
••25 minutes @ 90
o
F. air and 70
o
F. water
••17 minutes @ 70
o
F. air and 50
o
F. water
Typical Harvest Ice Weight
••5-6 pounds.
Typical Low Side Pressure
•• 32 - 35 PSIG just before harvest
Typical Freeze Cycle Discharge Pressure
••200- 240 PSIG @ 70
o
F. air and 50
o
F. water
••250 - 300 PSIG @ 90
o
F. air and 70
o
F. water
Refrigerant Charge:
••C-D models, Air cooled = 32 ounces R-502; Water cooled = 26 ounces R-502
••E model, Air cooled = 32 ounces; Water cooled = 28 ounces
Harvest Time
••Pre-set at 2 and a quarter minutes. Adjustable to match field requirements.
Typical low side pressure, in harvest:
•• 95 - 100 PSIG
Typical Discharge pressure, in harvest:
•• 120 - 150 PSIG
Hi Pressure Cut Out Point:
••450 PSIG, air cooled; 350 PSIG, water cooled
Hi Temperature Cut Out Point:
••140
o
F. (at hot gas valve)
Typical Compressor Amp Draw:
•• E series only: 9-10 during the freeze cycle and 11 during the harvest cycle. Older models (C - D series)
have higher amp draws.
Compressors:
••C and D models: Copeland: RSN4-0075-IAA-220
••E model: Copeland: RRG4-0100-PAA-205
Water Inlet Valve Flow Rate:
••.75 g.p.m.
Cube Size Thermostat:
••Adjustable Cut In as needed to obtain correct cube size, C.I. range between 15
o
F. and 2
o
F
..
CM500
December, 1992
Page 17