Question   

Sketch and describe a high pressure cut-out in a refrigeration system.

b) The refrigeration compressor has stopped due to operation of the h. p. cut-out. Explain

 (i) The possible causes.

 (ii) How these causes would be found and possible remedies.

 (c)  What steps are taken if the compressor "short-cycle" on low pressure cut-out?

2019/APR      2019/JULY