On heat recovery systems:

A) One indoor unit can be in heating mode while others are in cooling mode at the same time.
B) It is required that all indoor units be in heating mode.
C) It is required that all indoor units be in cooling mode.
D) Both A and B.


A

Trades & Technology

You might also like to view...

What is the benefit to a patient in using a robotic surgical system?

What will be an ideal response?

Trades & Technology

Melting alloy and bimetallic overload relays are designed to _____.

a. trip an alarm signal b. keep the motor operating in the event of a sustained overload c. react to changes in the motor load current d. divert excessive current to prevent overheating

Trades & Technology

The selection of superior dams and sires is made more convenient and accurate through the computerized production records of ____________________

Fill in the blank(s) with correct word

Trades & Technology

How many 2" pipes can be sourced by a 3" pipe allowing for friction?

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

Trades & Technology