Operational Characteristics 800 Lb System - Scotsman CME686 User Manual

Eclipseä 600, 800, 1000

Operational Characteristics 800 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 - Peak
Discharge at Condensing Unit: Freeze - 5 minutes in
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
·
232 oz
Compressor Amps
·
Single Phase - 9
·
Three Phase - 6
Batch Weight: 8 to 10 lb
Discharge Pressure Cut Out Switch
·
Cuts Out at: 450 PSIG
·
Resets at: 350 PSIG
Compressor: CS14K68
Expansion Valves: 3
70/70/50
14 to 16 minutes
2 ½ minutes
April 2002
Page 46
90/90/70
16 to 19 minutes
2 ½ minutes
70/70/50 90/90/70
26 to 32 PSIG 30 to 36 PSIG
90 to 110 PSIG 120 to 140 PSIG
220 to 240 PSIG 240 to 260 PSIG
Typical Low Side System Pressure Changes at Ice
Making Section:
·
Freeze: Pulls down rapidly to 80 PSIG, then
slowly to 35 to 38 PSIG
·
Harvest: Rapid increase to >120, PSIG, drops
slightly to 110 - 120 PSIG
120/110/100
19 to 22 minutes
1 minute
120/110/100
36 to 42 PSIG
130 to 150 PSIG
355 to 375 PSIG