Table of Contents
Advertisement
MC330, MC430, and ECC Condensing Unit
Remote Low Side User Manual
Operational Characteristics 1200 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 1400 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
•
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
70/70/50
9 to 11 minutes
1 to 1 .5 minutes
70/70/50
29 to 31 PSIG
92 to 98 PSIG
230 to 250 PSIG
70/70/50
10 to 14 minutes
1 to 1 .5 minutes
70/70/50
35 to 45 PSIG
85 to 105 PSIG
220 to 260 PSIG
June 2022
Page 21
90/90/70
12 to 14 minutes
1 to 1 .5 minutes
90/90/70
34 to 36 PSIG
165 PSIG
250 to 270 PSIG
90/90/70
13 to 17 minutes
1 to 1 .5 minutes
90/90/70
35 to 45 PSIG
100 to 120 PSIG
250 to 270 PSIG
120/110/100
17 to 19 minutes
.5 to 1 minute
120/110/100
36 to 38 PSIG
170 PSIG
350 PSIG
120/110/100
21 to 25 minutes
.5 to 1 minute
120/110/100
40 to 50 PSIG
120 to 150 PSIG
370 to 380 PSIG
Advertisement
Table of Contents
