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EH330, EH430 D and ECC Condensing Unit
Remote Low Side Cuber User Manual
December 2014
Page 21
Operational Characteristics 1200 lb system
Cycle Times @ Condenser Temp/Cabinet Temp/Water Temp in degrees F.
70/70/50 90/90/70 120/110/100
Freeze 9 to 11 minutes 12 to 14 minutes 17 to 19 minutes
Harvest 1 to 1.5 minutes 1 to 1.5 minutes .5 to 1 minute
System Pressures @ Condenser Temp/Cabinet Temp/Water Temp in degrees F
70/70/50 90/90/70 120/110/100
Suction at head, end of Freeze 29 to 31 PSIG 34 to 36 PSIG 36 to 38 PSIG
Suction at head, Harvest - Peak 92 to 98 PSIG 165 PSIG 170 PSIG
Discharge at Condensing Unit:
Freeze - 5 minutes in
230 to 250 PSIG 250 to 270 PSIG 350 PSIG
Operational Characteristics 1400 lb system
Cycle Times @ Condenser Temp/Cabinet Temp/Water Temp in degrees F.
70/70/50 90/90/70 120/110/100
Freeze 10 to 14 minutes 13 to 17 minutes 21 to 25 minutes
Harvest 1 to 1.5 minutes 1 to 1.5 minutes .5 to 1 minute
System Pressures @ Condenser Temp/Cabinet Temp/Water Temp in degrees F
70/70/50 90/90/70 120/110/100
Suction at head, end of Freeze 35 to 45 PSIG 35 to 45 PSIG 40 to 50 PSIG
Suction at head, Harvest - Peak 85 to 105 PSIG 100 to 120 PSIG 120 to 150 PSIG
Discharge at Condensing Unit:
Freeze - 5 minutes in
220 to 260 PSIG 250 to 270 PSIG 370 to 380 PSIG
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
• 1200 - 24 oz.; 1400 - 224 oz,
Compressor Amps 1200
• Single Phase - 10 to 14
Compressor Amps, 1400
• Single Phase - 8 to 12
• Three Phase - 6 to 10
Batch Weight: 1200 - 10 lb
Batch Weight - 1400 - 14 lb
Discharge Pressure Cut Out Switch
• Cuts Out at: 450 PSIG Resets at: 350 PSIG
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