Operational Characteristics 1000 lb system
Cycle Times @ Condenser Temp/Cabinet Temp/Water Temp in degrees F
System Pressures @ Condenser Temp/Cabinet Temp/Water Temp in degrees F
Headmaster maintains a minimum discharge
pressure during freeze of:
·
217 PSIG + 25, -15 PSIG
CPR Valve Setting: 55 - 60 PSIG.
Note: CPR allows a maximum low side pressure at
the CP unit’s compressor. Maximum only occurs
during harvest.
Refrigerant Charge
·
272 oz
Compressor Amps
·
Single Phase 11
·
Three Phase 7
Batch Weight: 8 to 10 lb
Discharge Pressure Cut Out Switch
·
Cuts Out at: 450 PSIG
·
Resets at: 350 PSIG
Compressor: CS18K68
Expansion Valves: 3
Typical Low Side System Pressure Changes at Ice
Making Section:
·
Freeze
: Pulls down rapidly to 60 PSIG, then
slowly to 28 to 30 PSIG
·
Harvest
: Rapid increase to >120, PSIG, drops
slightly to 110 - 120 PSIG
Eclipse
ä
600, 800, 1000
April 2002
Page 47
70/70/50
90/90/70
120/110/100
Freeze
12 to 13 minutes
13 to 14 minutes
18 to 19 minutes
Harvest
3 minutes
2 minutes
1 ½ minutes
70/70/50
90/90/70
120/110/100
Suction at Ice Making Section, end of Freeze
24 to 30 PSIG
26 to 32 PSIG
32 to 36PSIG
Suction at Ice Making Section, Harvest
90 to 110 PSIG
120 to 140 PSIG
160 to 190 PSIG
Discharge at Condensing Unit: Freeze - 5 minutes
220 to 240
230 to 250 PSIG
350 to 370 PSIG