Technical Characteristics
Typical Cycle Time
••
18-19 minutes @ 90
o
F. air and 70
o
F. water
••
14-15 minutes @ 70
o
F. air and 50
o
F. water
Typical Harvest Ice Weight
••
5.5 - 6 pounds.
Typical Low Side Pressure Just Before Harvest
••
Air cooled @ 70
o
F. air/50
o
F. water = 25 PSIG
••
Air cooled @ 90
o
F. air/70
o
F. water = 30 PSIG
••
Water cooled = 28 PSIG
Typical Freeze Cycle Air Cooled Discharge Pressure
••
300 - 350 PSIG @ 90
o
F. air and 70
o
F. water; 260 -290 @ 70
o
F. air and 50
o
F. water.
Refrigerant Charge:
••
Air cooled = 36 ounces (R-404A)
••
Water cooled = 26 ounces (R-404A)
Harvest Time
••
Pre-set at 2 and
2
⁄
3
minutes. Adjustable to match field requirements.
Typical Low Side Pressure, in harvest:
••
Air cooled = 80-90 PSIG Water cooled = 85 PSIG
Water Cooled Discharge Pressure, (in freeze):
••
245 PSIG
Hi Pressure Cut Out Point:
••
450 PSIG, air cooled; 400 PSIG, water cooled
Fan Pressure Switch
••
240 PSIG C.I.; 190 PSIG C.O.
Hi Temperature Cut Out Point:
••
140
o
F. (at hot gas valve)
Typical Compressor Amp Draw (single phase):
••
7-9 during the freeze cycle and 9-11 during the harvest cycle.
Compressor:
••
Copeland: CS12K6E-PFV (single phase) or CS12K6-TF5 (three phase)
••
Oil charge (included with compressor) 43 ounces of Polyolester oil
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 12
o
F. and -6
o
F
Bin Thermostat
••
Adjustable; C.I. range between 38.5
o
F. and 43.5
o
F, C.O. range between 33.5
o
F. and 38.5
o
F
Thermostatic Expansion Valve
••
Not Adjustable
CME650
October 1994
Page 17