Service Manual

EH330, EH430 and ECC Condensing Unit
Remote Low Side Cuber Service Manual
July 2013
Page 29
Operational Characteristics 1200 lb system (ECC1200/EH330)
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 13 minutes 17 to 19 minutes
Harvest 1 to 1.5 minutes 1 minute .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 28 to 32 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 285 PSIG 350 PSIG
Operational Characteristics 1400 lb system (ECC1410/EH430)
Cycle Times @ Condenser Temp/Cabinet Temp/Water Temp in degrees F.
70/70/50 90/90/70 120/110/100
Freeze 14 minutes 16 to 17 minutes 25 to 27 minutes
Harvest 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 37 PSIG 35 PSIG 41 to 44 PSIG
Suction at head, Harvest - Peak 85 to 105 PSIG 100 to 120 PSIG 120 to 130 PSIG
Discharge at Condensing Unit:
Freeze - 5 minutes in
220 to 230 PSIG 260 to 270 PSIG 350 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 - 224 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 -15 lb
Discharge Pressure Cut Out Switch
• Cuts Out at: 450 PSIG Resets at: 350 PSIG