Part Number STH063 9/17 11
Component Check Procedures
Main Fuse ..................................... 85
Bin Switch ..................................... 86
Float Switch.................................... 88
Compressor Electrical Diagnostics............... 90
Fan Cycle Control............................... 92
High Pressure Cutout (HPCO) Control ........... 93
Refrigeration Components...................... 94
Head Pressure Control Valve ..............94
Freeze Cycle Operation All Models .........95
Harvest Cycle Operation..................95
Harvest Pressure Regulating (Hpr) System
Remote Condenser Only..................98
Water Regulating Valve..................101
Refrigerant Recovery/Evacuation ..............102
Definitions ............................102
Refrigerant Re-use Policy ................103
Recovery and Recharging Procedures .....105
System Contamination Cleanup ...........107
Determining Severity of Contamination ....107
Mild System Contamination Cleanup Procedure
.....................................109
Severe System Contamination Cleanup
Procedure.............................110
Replacing Pressure Controls without Removing
Refrigerant Charge .....................111
Refrigerant Amount ...........................113
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