The reversing valve on most air-source residential heat pumps is energized:

A) During the defrost cycle. B) During the heating cycle.
C) During the cooling cycle. D) During the cooling and the defrost cycles.


D

Trades & Technology

You might also like to view...

What are relays?

What will be an ideal response?

Trades & Technology

Express as a decimal fraction or mixed decimal.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

What micron level should be achieved when evacuating a system?

What will be an ideal response?

Trades & Technology

What national standard is a good reference when installing oil furnaces?

What will be an ideal response?

Trades & Technology