Part Number 040005626 5/17 11
COMPONENT CHECK PROCEDURES
Main Fuse . . . . . . . . . . . . . . . . . . . . . . . . . 87
Bin Switch . . . . . . . . . . . . . . . . . . . . . . . . . 88
Float Switch . . . . . . . . . . . . . . . . . . . . . . .90
Compressor Electrical Diagnostics . . . . 92
Fan Cycle Control . . . . . . . . . . . . . . . . . . . 94
High Pressure Cutout (HPCO) Control . . 95
Refrigeration Components . . . . . . . . . . . 96
Head Pressure Control Valve . . . . . . . 96
Harvest Cycle Operation . . . . . . . . . . .97
Harvest Pressure Regulating (HPR) System
Remote Condenser Only . . . . . . . . . . . 100
Water Regulating Valve . . . . . . . . . . . 103
Refrigerant Recovery/Evacuation . . . . . . 104
Definitions . . . . . . . . . . . . . . . . . . . . . . 104
Refrigerant Re-use Policy . . . . . . . . . . 105
Recovery and Recharging Procedures 107
System Contamination Cleanup . . . . . . .110
Determining Severity of Contamination 110
Mild System Contamination Cleanup
Procedure . . . . . . . . . . . . . . . . . . . . . . 112
Severe System Contamination Cleanup
Procedure . . . . . . . . . . . . . . . . . . . . . . 113
Replacing Pressure Controls without
Removing Refrigerant Charge . . . . . . . 114
Refrigerant Amount . . . . . . . . . . . . . . . . . 116
CHARTS
Cycle Times, 24 Hr. Ice Production and
Refrigerant Pressure Charts . . . . . . . . . . 117
M0420A Self-contained Air-cooled . . .118
M0500A Self-contained Air-cooled . . .119
M0500W Self-contained Water-cooled 120
M0700A Self-contained Air-cooled . . .121
M0700W Self-contained Water-cooled 122
M1000A Self-contained Air-cooled . . .123
M1000W Self-contained Water-cooled 124
M1400A Self-contained Air-cooled . . .125
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