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CME250
Technical Characteristics
Typical Cycle Time
o
21 minutes @ 90
F. air and 70
o
16 minutes @ 70
F. air and 50
Typical Harvest Ice Weight
2.5 - 3 pounds.
Typical Low Side Pressure Just Before Harvest
Air cooled = 35 PSIG; Water cooled = 28 PSIG
Typical Freeze Cycle Air Cooled Discharge Pressure
o
220 PSIG @ 70
F. air and 50
o
280 PSIG @ 90
F. air and 70
Refrigerant Charge:
Air cooled = 27 ounces HP62
Water cooled = 17 ounces HP62
Harvest Time
Pre-set at 2 and a quarter minutes. Adjustable to match field requirements.
Typical Low Side Pressure, in harvest:
Water cooled = 86 PSIG ; Air cooled = 100 PSIG @ 90
Typical Discharge pressure, in harvest:
Water cooled = 160 PSIG; Air cooled = 200 PSIG @ 90
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:
o
140
F. (at hot gas valve)
Typical Compressor Amp Draw:
10-13 during the freeze cycle and 11-14 during the harvest cycle.
Compressor:
Copeland: RS43C1E-CAA-213
Water Inlet Valve Flow Rate:
.33 g.p.m.
Cube Size Thermostat:
Adjustable Cut In as needed to obtain correct cube size, C.I. range between 24
Bin Thermostat
Adjustable; C.I. range between 38.5
Thermostatic Expansion Valve
Not adjustable
o
F. water
o
F. water
o
F. water
o
F. water
o
o
F. and 43.5
F, C.O. range between 33.5
October 1994
Page 18
o
o
F. air and 70
F. water
o
o
F. air and 70
F. water
o
o
F. and 0
F
o
o
F. and 38.5
F
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