– 7 –
Pre-Chill ................................................................................................................................67
Defrost Heater Operation .....................................................................................................67
Dwell .....................................................................................................................................67
Post Dwell ............................................................................................................................. 67
Abnormal Defrost ..................................................................................................................67
Cabinet - Rear ..............................................................................................................................68
Cabinet - Rear Component Locator ...................................................................................... 68
Main Board ...........................................................................................................................69
Main Board Connector Locations .........................................................................................70
Connector Locations (continued) .......................................................................................... 71
Machine Compartment .................................................................................................................72
Machine Compartment Cover ............................................................................................... 72
Machine Compartment Component Locator ........................................................................ 72
Isolation Valve.......................................................................................................................73
Drain Tube ............................................................................................................................74
Condenser Fan .....................................................................................................................74
PTCR Relay/Overload ..........................................................................................................76
Capacitor ..............................................................................................................................77
Compressor ..........................................................................................................................77
Drier ......................................................................................................................................78
Condenser ............................................................................................................................78
Refrigeration System ....................................................................................................................79
Replacing Sealed System Components .......................................................................................80
Evacuation and Charging Procedures ..................................................................................80
Lokring .......................................................................................................................................... 81
Lokring Rules ........................................................................................................................ 81
Process Tube Joint ...............................................................................................................81
Drier Joints ...........................................................................................................................82
Evaporator Joints .................................................................................................................. 82
Compressor Joints ................................................................................................................ 83
Condenser Joints .................................................................................................................. 83
Service Mode ...............................................................................................................................84
Service Mode Tests ..............................................................................................................85
(Continued next page)