What is the primary purpose of the low-pressure control in a heat pump?
a. Cycles compressor off on low loads
b. Prevents refrigerant floodback
c. Protects against loss of charge.
d. Prevents outdoor
c. Protects against loss of charge.
You might also like to view...
Where in a system is a PTC start thermistor installed?
a. In series with the start capacitor b. Parallel with the run capacitor c. Parallel with the start capacitor d. In series with the common terminal
A 5 ribbed serpentine belt should be tensioned at about ________
A) 45 to 60 lbs. B) 150 lbs. C) 75 to 100 lbs. D) None of these
The wire sizes used in welded-wire fabric reinforcement are designated by _____
a. AWG wire gauge b. cross-sectional area in hundredths of a square inch c. cross-sectional area in hundredths of a square centimeter d. diameter in thousandths of an inch
Gaskets are used to _____.
A. lubricate ball bearings B. retain lubricants or seal a chamber C. buffer moving components D. support axial and radial loads