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EH222 and Condensing Unit
Remote Low Side Cuber User Manual
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 head, end of Freeze
Suction at head, Harvest - Peak
Discharge at Condensing Unit:
Freeze - 5 minutes in
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 head, end of Freeze
Suction at head, Harvest - Peak
Discharge at Condensing Unit:
Freeze - 5 minutes in
Below information applies to both size systems:
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 compressor. Maximum only occurs during harvest.
Refrigerant Charge
•
800: 192 oz.
•
1000: 224 oz
Compressor Amps, 800 model
•
Single Phase - 6 to 8 Three Phase - 5 to 7
Compressor Amps, 1000 model
•
Single Phase - 8 to 9, Three Phase - 6.3 to 5.2
Batch Weight: 8 lb
Discharge Pressure Cut Out Switch
•
Cuts Out at: 450 PSIG Resets at: 350 PSIG
70/70/50
10 to 12 minutes
1 to 1.5 minutes
70/70/50
26 to 31 PSIG
85 to 105 PSIG
230 to 250 PSIG
70/70/50
8 to 9 minutes
1 to 1.5 minutes
70/70/50
26 to 31 PSIG
85 to 105 PSIG
230 to 250 PSIG
March 2013
Page 24
90/90/70
13 to 15 minutes
1 to 1.5 minutes
90/90/70
26 to 31 PSIG
105 to 125 PSIG
250 to 270 PSIG
90/90/70
10 to 11 minutes
1 to 1.5 minutes
90/90/70
27 to 32 PSIG
90 to 110 PSIG
240 to 250 PSIG
120/110/100
19 to 21 minutes
.5 to 1 minute
120/110/100
30 to 35 PSIG
140 t0 160 PSIG
330 to 350 PSIG
120/110/100
16 to 18 minutes
.5 to 1 minute
120/110/100
30 to 35 PSIG
140 to 160 PSIG
345 to 380 PSIG
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