How is an outdoor thermostat used in a dual-fuel heat pump system?

A) the outdoor thermostat prevents the furnace from operating above the balance point
B) the outdoor thermostat prevents the electric strip heat from operating above the balance point
C) the outdoor thermostat prevents the heat pump from defrosting above the balance point
D) the outdoor thermostat prevents the heat pump from operating above the balance point


A

Trades & Technology

You might also like to view...

Give an example of a computer-controlled technological system and explain how the controller keeps the system operating.

What will be an ideal response?

Trades & Technology

Mass in a mechanical system is analogous to what in an electrical system?

A. current B. capacitance C. inductance D. charge E. resistance

Trades & Technology

Why is three-phase power most often used by large HVACR equipment operators?

What will be an ideal response?

Trades & Technology

All of the following are advantages of the speed dial feature except:

A) there's less to remember B) it's faster C) it's more accurate D) it's more convenient

Trades & Technology