Refrigerator drive motors
Refrigerator Troubleshooting – Drive motor installation details
Earthing
The motor frame must always be connected to the local earth circuit. It is most important to ensure that the flexible earthing strip between the motor frame and the cradle is not broken and that the correct connection is made.
When water cooled systems are involved, under no circumstances must the water supply tubing be used [...]
Refrigerator Troubleshooting – Three phase electrical connections
Smaller compressor motors incorporate overload protectors, either internally or externally mounted, and use various small starting devices. By contrast the three phase motor, being larger, requires more sophisticated methods of automatic starting and overload protection, provided by contactors or starters.
Contactors and starters
A contactor is a power operated switch suitable for frequent making and breaking of [...]