EPA regulations require that all comfort cooling appliances containing more than 50 lbs. of refrigerant MUST be repaired when the annual leak rate exceeds ______.

Which of the following will be used to pinpoint the leak:

The technician may choose to speed up the recovery process by packing the recovery cylinder in ice and/or applying heat to the appliance

The technician must isolate a parallel compressor system in order to recover refrigerant

System-dependant recovery equipment cannot be used on appliances containing more than ______ of refrigerant:

If a strong odor is detected during the recovery process, a _______ burn-out may have occurred.

Recovering refrigerant in the _____ phase will minimize the loss of oil

The technician should always evacuate an empty recovery cylinder before transferring refrigerant to the cylinder:

_______ requires a refrigerant sensor that will sound an alarm and automatically start a ventilation system in occupied equipment rooms where refrigerant from a leak will concentrate.

. Non-condensables present in the refrigerant will cause _____ discharge pressures.

). NEVER energize a reciprocating compressor if the discharge service valve is open

The use of a large vacuum pump could cause trapped water to freeze