Author Question: Why does an air-source heat pump system's heating capacity decrease as the outdoor temperature ... (Read 144 times)

DyllonKazuo · **on:** Jul 24, 2018

Why does an air-source heat pump system's heating capacity decrease as the outdoor temperature decreases?

A) The compression ratio decreases because the evaporator pressure increases.
B) The compression ratio increases because the evaporator pressure decreases.
C) The compression ratio increases because the evaporator pressure increases.
D) The compression ratio decreases because the evaporator pressure decreases.

Question 2

When replacing fuses be sure to match which of these ratings?

A) Amperage
B) Class
C) Voltage
D) Instantaneous current
E) All of these should be matched.