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TRG-TRC005-EN 49
Quiz
Questions for Period 4
10 What are the two primary purposes of a thermostatic expansion valve?
11 What are the risks of too much superheat in the system?
Questions for Period 5
12 During a pump-down cycle, the compressor pumps the refrigerant from the
_____ (low or high)-pressure side of the system to the _____ (low or high)-
pressure side.
13 Is the moisture-indicating sight glass installed upstream or downstream of
the expansion valve?