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…
Tag: Refrigerator Repair
When the system has been fully charged and the controls set, the equipment is operated at average evaporating conditions. The compressor oil level must then…
It is imperative, with halogen refrigeration systems, that all traces of air, non-condensibles and moisture be removed. If this is not achieved then the presence…
During installation the system should be kept as clean and dry as possible, with the least exposure to air. Avoid the entry of foreign matter…
A fuse element provides protection by destroying itself and must be replaced. It cannot be tested without destruction; therefore the result of a test will…
Three types of fuse are used (Figure 100); the rewireable or semi-enclosed fuse; the cartridge fuse or fuse link; and the high rupturing capacity (HRC)…
Instead of employing a flywheel and drive options, compressors may be designed for direct coupling. The coupling on small compressors may be of a rigid…
Correct alignment of the flywheel and drive pulley, and correct tensioning of the drive belt(s), are most important during the installation or replacement of belt(s)…
This is generally used with compressors incorporating oil pumps and on multiple compressor systems. The function of the control is to stop the compressor(s) when…
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…