On low pressure chillers, moisture most frequently enters the refrigerant system through;
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Water must be circulated through a chiller during refrigeran…
Water must be circulated through a chiller during refrigerant evacuation in order to;
When it is essential to take measures to help release trappe…
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 sys…
When installing any type of access fitting onto a sealed system;
Small appliance recovery equipment manufactured after Nov 15…
Small appliance recovery equipment manufactured after Nov 15, 1993 must be certified to be capable of;
In general, what is one routine maintenance task which must…
In general, what is one routine maintenance task which must be performed on most refrigerant recycle machines?
If a large leak of refrigerant occurs such as from a filled…
If a large leak of refrigerant occurs such as from a filled cylinder in an enclosed area, what action should be taken when no self contained breathing apparatus is available?
Type I Certification is required for;
Type I Certification is required for;
When a system is in deep vacuum;
When a system is in deep vacuum;
Recovery equipment must be;
Recovery equipment must be;