Operational Characteristics 1000 Lb System - Scotsman CME686 User Manual

Operational Characteristics 1000 lb system

Cycle Times @ Condenser Temp/Cabinet Temp/Water Temp in degrees F
Freeze
Harvest
System Pressures @ Condenser Temp/Cabinet Temp/Water Temp in degrees F
Suction at Ice Making Section, end of Freeze
Suction at Ice Making Section, Harvest
Discharge at Condensing Unit: Freeze - 5 minutes
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
70/70/50
12 to 13 minutes
3 minutes
April 2002
Page 47
Eclipseä 600, 800, 1000
90/90/70
13 to 14 minutes
2 minutes
70/70/50 90/90/70
24 to 30 PSIG 26 to 32 PSIG
90 to 110 PSIG 120 to 140 PSIG
220 to 240 230 to 250 PSIG
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
120/110/100
18 to 19 minutes
1 ½ minutes
120/110/100
32 to 36PSIG
160 to 190 PSIG
350 to 370 PSIG