When recovering refrigerant from a medium-pressure system with more than 200 lbs.

of refrigerant, recover to a level of; Ans: 15"

A high-pressure appliance containing 210 lbs. of R-407C refrigerant must be

evacuated (recovered) to a level of; Ans: 10 Inches

Unless plans are made to replace a system with a leak rate that exceeds the

maximum leak rate, repairs must be made within; Ans: 30 days.

Ans: R-744

500 Microns.

Non-condensables will cause; Ans: high discharge pre...
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