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After repairing a system that has had an electrical motor failure (compressor burnout), it is good field practice to re-use the recovered refrigerant in that system.

The maximum recommended pressure for leak testing is 150 psig on the low-pressure side of the system.

Why is refrigerant not used for a system standing pressure test?

EPA regulations require that leak commercial and industrial process refrigeration be repaired when the leak rate exceeds percent of the charge per year.

Why must all valves be opened when an evacuation is performed?

On low pressure chillers, moisture most frequently enters the refrigerant system through;

Water must be circulated through a chiller during refrigerant  evacuation in order to;

When it is essential to take measures to help release trapped refrigerant from the compressor oil during refrigerant recovery;

When installing any type of access fitting onto a sealed system;

Small appliance recovery equipment manufactured after Nov 15, 1993 must be certified to be capable of;