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Where does the red and Rc wires coming from. I only have a yellow and white connected

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Are you referring to your outdoor unit? A straight a/c will likely only have 2 low voltage wires outside???

Posted on May 19, 2017

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You will need to explain in more details what you are trying to wire up .
R and RC is the same in most cases .
Normally those wire would come from indoor unit to thermostat

Posted on May 19, 2017

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Would like to rewire Astak CM-918 camera due to missing hardware


Red and black, are power; white to a rc plug center pin yellow to the center pin of a rc plug and there should be a bare wire you need to split it off to the outside section of the yellow and white rc plug

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This is if you have gas furnace and central air conditioning.
Normally this is the way.
Red wire to R (or if your stat has Rc and Rh, wire to both of these
White wire to W
Green wire to G
Yellow wire to Y
Blue wire to C
If you want to check, before you connect to stat. Connect red and white (heat should come on)
the connect red and green (blower should come on) Normally yellow is for air conditioning and Blue is common DO NOT CONNECT ANY WIRE DIRECTLY TO BLUE, if blue is common it would short out fuse

Jan 26, 2011 | Heating & Cooling

1 Answer

The thermostat (I installed myself) is not working. I have no heat. It's a combination heat/ac. I read instructions. I'm thinking maybe I have a wire connected wrong. before I go any further, I'd like to...


Wiring color to Thermostat Depending on what thermostat youhave and existing wires. Typically red and white are for heat and yellow andgreen are for cooling. On base of thermostat there should be initials stampedto identify wires by color. R. W. Y. G. Possible Rc. and Rh if so for most usesyou need to jumper these two together. You may have a blue wire instead ofyellow or green. If so just hook blue to y or g. Hope this helps you. Thanks.

Jan 09, 2011 | Heating & Cooling

1 Answer

Need help wiring this theromostat. I ahve the following color wires.....Green Red Black Blue White Yellow and Orange. Need to match them to the following connections: G RC RH Y/O W/B Y1


G= Green Wire (Fan) RC= Red Wire (Power Cooling) Y1= Yellow Wire (Cooling Contactor) RH= Black Wire (Power Heating) WB= White Wire (Heating Control) YO= Orange Wire (Damper Control)

Blue Wire is usually to C= Common

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1 Answer

Installing thermostat - extra wire?


you have to go down to your furnace and follow the thermostat wire ...it connects to a terminal strip or fan centre...the color doesn;t really matter...installers mix and match all the time....look at the furnace wiring and mark it down...Red on "R"...Green on "Y" whatever it is...and connect it accordingly upstairs...if you only have 4 thermostat wires downstairs you will need a jumper wire between RH and RC...if you have 5 wires you will see 2 wires on "R" at the furnace.,...and connect either to RH and RC at the thermostat
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1 Answer

Help! replacing WeatherKing thermostat with Honeywell RTH230B


RC AND RH CONNECT BOTH WITH RED
Y TO THE YELLOW
G TO THE GREEN
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1 Answer

I have a travel trailer with a roof top a/c colman mach111 and I hooked up a thermostate digital. The heat works but cant get a/c to come on. the termanials on hunter thermostate are G W Y RC RH


OK, the wiring that you should have in your RV is as follows: Red White Blue Yellow Green Gray.

This Thermostat will not work on this Air conditioner because the tstat you are installing is a 24V thermostat. The connections are as follows G = Fan, W = White, Y = Cooling, RC = 24V Cool, RH = 24V. The only thing that I can think to do is hook it up like so.

On the G Terminal, Hook up the Green wire from the wall. On W, hook up the White wire, Y, hook up the yellow wire. RC = run a jumper from the RH terminal, RH = hook up the red wire. If this doesn't work then you will have to go back with the coleman thermostat.

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1 Answer

Outside a/c unit hasnt powered on yet and I want to make sure my RH and RC wires are correct.


Connect the red to RH

Go down to the furnace and look at the circuit board and note what color's go where. Most units only use 4 wires.

Should be
RED to RH
YELLOW to Y
WHITE to W
GREEN to G

Then from there two wires go to condenser outside. And they connect to Y and C on the board. Most of the time Red and White from outside. Don't get confused with Red coming from thermostat. Let me know Ken

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2 Answers

Need help with wiring on Hunter 44110


There is no real color code for wiring but the standard is red wire to r, yellow wire to y,white wire to w, green wire to g, blue wire to c. since there's no c on your t- stat its probably battery operated, but in your case im betting white wire to w, and blue wire to g.

Mar 08, 2009 | Hunter Fan Company 5/1/1 Programmable...

3 Answers

Hunter 44155c wiring from manual thermostat


I have a manual thermostat with the following wire connections (Y, G, R, O, C, & E) with the respective wires attached (yellow, green, red, orange, blue, white). My 44260 has available G, Rc, Rh, Y/O, W/B, Y1. Which wires should I connect to which terminals on the 44160. Thanks.

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