Author Topic: I need Electric Help... Any electricians out there?  (Read 24621 times)

Offline ExGingi

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Re: I need Electric Help... Any electricians out there?
« Reply #345 on: January 16, 2020, 01:32:13 AM »
You quoted the switch question and responded with: My only fear is running 110V rather than 24V.
Either way we are good and just blame me as usual.  ;)

You are right. I missed that. I confused myself by asking two questions concurrently. My bad.
I've been waiting over 5 years with bated breath for someone to say that!
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Offline ExGingi

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Re: I need Electric Help... Any electricians out there?
« Reply #346 on: January 16, 2020, 01:32:58 AM »
Doesn't C wire supply constant power?

That is what I always thought. But some online reading seems to indicate otherwise.
I've been waiting over 5 years with bated breath for someone to say that!
-- Dan

Online CountValentine

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Re: I need Electric Help... Any electricians out there?
« Reply #347 on: January 16, 2020, 10:00:30 AM »
Where did this quote come from?

Quote
Yellow/Y is the AC compressor.
White/W is the Heating element
Green/G runs the fan.
Blue or Black/C should be a ground and will be used by both Rh and Rc, and apparently your thermostat.
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Offline ExGingi

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Re: I need Electric Help... Any electricians out there?
« Reply #348 on: January 16, 2020, 10:26:22 AM »
Where did this quote come from?

Comments at:

https://smartthermostatguide.com/thermostat-c-wire-explained/

From what I gather Rc is 24VAC for cooling, RH is 24VAC for heating. Circuit can bet closed with either of Y, W, or G, for AC compressor, heating, or fan (respectively) the C wire allows for a closed circuit and powering the Thermostat even when none of those are running.
I've been waiting over 5 years with bated breath for someone to say that!
-- Dan

Online CountValentine

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Re: I need Electric Help... Any electricians out there?
« Reply #349 on: January 16, 2020, 10:58:13 AM »
Comments at:

From what I gather Rc is 24VAC for cooling, RH is 24VAC for heating. Circuit can bet closed with either of Y, W, or G, for AC compressor, heating, or fan (respectively) the C wire allows for a closed circuit and powering the Thermostat even when none of those are running.
This gets confusing. There is no ground in this circuit. So to your earlier question you just can't use a ground.
The transformer used to supply the 24V is an isolation transformer (pretty much the standard now). It is used to isolate it from the 110V circuit.
This diagram lays it all out. If you want to get into it I can explain it.  :)
https://i.stack.imgur.com/QeZbQ.png
« Last Edit: January 16, 2020, 11:01:20 AM by CountValentine »
You're so far up Trump's a** you can see Giuliani's feet.  HT Baruch

Online CountValentine

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Re: I need Electric Help... Any electricians out there?
« Reply #350 on: January 20, 2020, 10:01:38 PM »
Any update on your two issues? @ExGingi
You're so far up Trump's a** you can see Giuliani's feet.  HT Baruch

Offline ExGingi

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Re: I need Electric Help... Any electricians out there?
« Reply #351 on: January 20, 2020, 10:03:15 PM »
Any update on your two issues? @ExGingi
Not yet. Didn't have time for the projects yet.
I've been waiting over 5 years with bated breath for someone to say that!
-- Dan

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Re: I need Electric Help... Any electricians out there?
« Reply #352 on: January 20, 2020, 10:15:32 PM »
Not yet. Didn't have time for the projects yet.
Don't make me come out there.  :)
You're so far up Trump's a** you can see Giuliani's feet.  HT Baruch