Part Number 040005626 5/17 11COMPONENT CHECK PROCEDURESMain Fuse . . . . . . . . . . . . . . . . . . . . . . . . . 87Bin Switch . . . . . . . . . . . . . . . . . . . . . . . . . 88Float Switch . . . . . . . . . . . . . . . . . . . . . . . 90Compressor Electrical Diagnostics . . . . 92Fan Cycle Control . . . . . . . . . . . . . . . . . . . 94High Pressure Cutout (HPCO) Control . . 95Refrigeration Components . . . . . . . . . . . 96Head Pressure Control Valve . . . . . . . 96Harvest Cycle Operation . . . . . . . . . . . 97Harvest Pressure Regulating (HPR) SystemRemote Condenser Only . . . . . . . . . . . 100Water Regulating Valve . . . . . . . . . . . 103Refrigerant Recovery/Evacuation . . . . . . 104Definitions . . . . . . . . . . . . . . . . . . . . . . 104Refrigerant Re-use Policy . . . . . . . . . . 105Recovery and Recharging Procedures 107System Contamination Cleanup . . . . . . . 110Determining Severity of Contamination 110Mild System Contamination CleanupProcedure . . . . . . . . . . . . . . . . . . . . . . 112Severe System Contamination CleanupProcedure . . . . . . . . . . . . . . . . . . . . . . 113Replacing Pressure Controls withoutRemoving Refrigerant Charge . . . . . . . 114Refrigerant Amount . . . . . . . . . . . . . . . . . 116CHARTSCycle Times, 24 Hr. Ice Production andRefrigerant Pressure Charts . . . . . . . . . . 117M0420A Self-contained Air-cooled . . . 118M0500A Self-contained Air-cooled . . . 119M0500W Self-contained Water-cooled 120M0700A Self-contained Air-cooled . . . 121M0700W Self-contained Water-cooled 122M1000A Self-contained Air-cooled . . . 123M1000W Self-contained Water-cooled 124M1400A Self-contained Air-cooled . . . 125
