This is installed in the liquid line of the system after the receiver. Construction is generally in the form of a tube which contains coarse…
Tag: Refrigerator Troubleshooting
This is sometimes called a non-return valve. It is a simple device used to ensure that fluid or vapour can only travel in one direction…
This is a resistance heater. If externally mounted it is located on the underside of the compressor crankcase. It may be mounted internally as an…
This is an electrically operated magnetic valve. It consists of a coil wound around a sleeve of non-magnetic substance. When energized, the coil carries an…
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,…
Note: Before charging a system with a new or replacement refrigerant check the fusible plug rating. Condensers and receivers are fitted with fusible plugs. These…
This type of valve is in common use for hot gas defrost systems and room air conditioners. It effectively reverses the flow of refrigerant to…
The pressure operated type is the most popular. It is employed in water cooled systems to control the flow rate through the condenser, modulating in…
This valve is fitted in the suction line to control the pressure in the evaporator, to prevent it dropping below a predetermined pressure. It is…
As a compressor starts, a heavy load is imposed on the drive motor. The crankcase pressure will be at its highest against normal or abnormal…