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WorksheetsFurnace Wiring
Total questions: 10
Worksheet time: 13mins
This terminal energizes the outdoor contactor.
R
W
Y
G
C
This terminal supplies 24 volts to the thermostat.
R
W
Y
G
C
This terminal initiates the heating sequence of operation.
R
W
Y
G
C
This terminal calls for blower operations and fan only in cooling mode.
R
W
Y
G
C
This terminal provides a path for voltage to ground.
R
W
Y
G
C
What tool is used to detect voltage in a circuit.
multimeter
manometer
thermistor
ohmmeter
A continuity test can be used to test the following:
broken wires
power to circuit
grounded circuit
wiring short
In your own words describe the path of current and the low voltage circuit during cooling operation.
Identify 3 hazards and protections for each, that would need to be thought about prior to the removal of this system?
What precautions would need to be taken in the removal of this system?
