Technical Characteristics
Typical Cycle Time
••
18 minutes @ 90
o
F. air and 70
o
F. water; 15 minutes @ 70
o
F. air and 50
o
F. water
Typical Harvest Ice Weight
••
2.8 - 3.2 pounds
Typical Low Side Pressure, 8 minutes into freeze
••
20 PSIG @ 70
o
F. Air
••
26 PSIG @ 90
o
F. Air
••
42 PSIG @ 100
o
F. Air
••
22 - 27 PSIG for water cooled
Typical Freeze Cycle Discharge Pressure
••
196 PSIG @ 70
o
F. Air
••
262 PSIG @ 90
o
F. Air
••
350 PSIG @ 100
o
F. Air
••
270 for water cooled
Refrigerant Charge:
••
15 ounces R-404A
Harvest Time
••
Normally 1
1
⁄
2
to 2 minutes. Depends upon time required to warm suction line to 55
o
F.
Typical Suction Pressure, In Harvest:
••
Typical Discharge Pressure, In Harvest:
••
High Pressure Cut Out
••
Cuts out at 380 PSIG, resets at 315 PSIG
Thermostatic Expansion Valve
••
Superheat is 3
o
- 6
o
F.
Bin Thermostat
••
Cut In to shut OFF machine at 35
o
F.; Cut Out to Start machine at 39
o
F. Adjustable warmer.
Ice Size Thermostat:
••
Switches to harvest cycle with temperature fall to 38
o
F
.
Resets at 43
o
F.
Ice Size Heater
••
Adds heat to ice size thermostat to prevent premature harvest. 6,000 ohms resistance.
Harvest Termination Thermostat
••
Switches from contacts C-NC to contacts C-NO at a temperature rise to 55
o
F. (return to freeze or OFF).
Resets at 40
o
F.
SLE300
January 1995
Page 18
