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Hvac Electrical Questions And Answers With Verified Solutions 100% Correct Latest Updated 2024
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Hvac Electrical Questions And Answers With Verified Solutions 100% Correct Latest Updated 2024
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Hvac Electrical Questions And AnswersWith Verified Solutions 100% Correct
Latest Updated 2024
The heat pump requires ______________thermostat.
a. single stage heating operation
b. two stage heating operation
c. three stage heating operation - ANSWER✔✔ two stage heating operation
the thermostat will look for the ____ circuit first before using the battery back-up
power.
a. R
b. C
c. Y - ANSWER✔✔ C
the ____ circuit is a 24 volt L1 from the transformer.
a. R
b. C
c. Y - ANSWER✔✔ R
the ______ circuit is a 24 volt L1 control string compressor circuit.
a. R
b. C
c. Y - ANSWER✔✔ Y
The _____ circuit is a 24 volt L1 control string Fan circuit.
a. G
b. AUX
c. O/B - ANSWER✔✔ G
The _____ circuit is a 24 volt L1 control string Reversing Valve circuit.
a. G
b. AUX
c. O/B - ANSWER✔✔ O/B
The _____ circuit is a 24 volt L1 control string 2nd Stage Heating circuit.
a. G
b. AUX
, c. O/B - ANSWER✔✔ AUX (and it's white)
Which terminal do you use when energizing the reversing valve in the heating
mode?
a. B
b. O
c. R - ANSWER✔✔ B
The thermostat ___________________ allows the technician to bring on specific
components of the HVAC system.
a. Self-Check Mode
b. Component Mode
c. Installer Test Mode - ANSWER✔✔ Installer Test Mode
Conventional Terminals: (Non-H/P)
R
W
Y
G
C - ANSWER✔✔ R = 24VAC L1 pwr from heating XFMR
W = heating circuit
Y = compressor circuit
G = fan circuit
C = 24VAC L2 common from XFMR
Heat Pump Terminals:
R
O/B
Y
G
AUX
C - ANSWER✔✔ R = 24VAC L1 pwr from heating XFMR
O/B = reversing valve circuit
Y = compressor circuit
G = fan circuit
AUX = 2nd stage heat
C = 24VAC L2 common from XFMR
The heat pump system is controlled by the ____________
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