connecting common wire from furnace?
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connecting common wire from furnace?
Hi,
I would like to know where to get the common wire power for the thermostat.
I have attached the furnace diagram.
I can see the that a 24V constant on the red/pink cable on the furnace picture.
Can I connect the blue wire to it to get a constant power?
I would like to know where to get the common wire power for the thermostat.
I have attached the furnace diagram.
I can see the that a 24V constant on the red/pink cable on the furnace picture.
Can I connect the blue wire to it to get a constant power?
Last edited by PJmax; 11-07-18 at 10:10 AM. Reason: added labeled picture
#2
Can I connect the blue wire to it to get a constant power?
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thanks for the reply. Let me restate the question since I did not understand what the system is asking.
Does the common wire have 24V (hot) ?
"common wire (B) - provide return path for R " which mean I should be connecting my blue wire to the B/C terminal, right?
Does the common wire have 24V (hot) ?
"common wire (B) - provide return path for R " which mean I should be connecting my blue wire to the B/C terminal, right?
Last edited by nghian_2003; 11-08-18 at 09:06 AM.
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no, you were corrected base on my initial question!
my question, should have been: which terminal should i connect for the common blue wire vs saying the constant 24v?
my question, should have been: which terminal should i connect for the common blue wire vs saying the constant 24v?