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Need wire diagram from T-stat to Air-Handler then cond unit

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  • Ruud Master
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Green goes to g on air-handler,white goes to w on air-handler yellow goes to outside condensor, red from air-handler goes to rh-rc on thermostat, whire off c on air-handler goes to outside condensor.

Posted on Aug 11, 2015

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Posted on Jan 02, 2017

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  • 20 Answers

SOURCE: Wiring Diagram

here is a basic wiring diagram for all air cond systems your thermostat consist of treminal r w y and c run a four conductor wire fromm thermostat to ai handler the air handler should allso have eather have red blue white wires or a teminal block marked r w c r stands for red w for white c for comon allso blue run color for color from the thermostat to ai handler with exeption of yellow yellow runs straigth to condenserand retuns in white wire to air handler wich gets conected to comon hope this help[s you

Posted on Jul 23, 2008

  • 1 Answer

SOURCE: problems with low voltage control wiring turning on cond. unit

hooked up white wire from condensing unit to (c) on furnace control board and ( red ) wire from condenser to (y) on furnace control board and could not get 24 volts out goodman condenser ! there is 24volts coming out of transformer! also good fuse in control board!

Posted on Jun 23, 2009

shastalaker7
  • 1515 Answers

SOURCE: t stat wiring in air handler

Hi, normally they don' t have 2-toned striped wires in a thermostat cable. They must have used some other 18 gauge wire. If this is a gas fired indoor unit, the wires are Red to R, Yellow to Y, G to to green, and white to W. If its a heat-pump, no gas, you will have Red to R, W to W-1 if you have heat strips for second stage heat, G to fan, green, B is blue for the reversing valve, 0 will not be used on a Ruud. You may need to go to the control panel on the outdoor unit to see how they have wired the condenser, as you never no what colors they have picked to use, what ever suits them. You may have a black or brown for common if used, or for emergency heat. Gas air handlers are much easier to wire at the stat then a heat pump, so you will need to check what they used at the outdoor unit. They didn't use regular stat wire as it does not have stripes on it.Please do this and draw your self a diagram so you will know. Most all heat-pumps wire differently, at the stat depending on the kind, and at the condenser. I hope I have been of help to you on this as it is important to get it right, and it sound as tough you are familar with wiring. Please rate me on this and be kind as I know you will. Please keep me posted on the outcome or if you need more help.
Sincerely,
Shastalaker7
A/C, Heating, & Refrigeration Contractor
PS You may not need any of the striped wires as all wires are not used. You will need to look at the outdoor and indoor control board.

Posted on Jul 17, 2010

  • 1144 Answers

SOURCE: i need to know what wiring diagram to use for

The AEPF number is for an Amana air handler. I have a manual for this number. Send me an email address and I can forward it to you. Manual has diagram.

Posted on Oct 07, 2010

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1 Answer

I bought a new thermostat that requires a C wire. I have a spare wire in the cable that goes from my thermostat to my air handler. It's a Model B3BM-O36K-B Frigidaire model air handler.


At your AHU there may be a terminal block that has a C terminal. If not, you will need to locate C. Your outdoor units control wire should have 1 that connects to the Y signal allowing 24v to pass from Y at the t-stat to a wirenut at the air handler, from that wirenut to the contactor. And C comes from the contactor to a wirenut at the airhandler and to C side of transformer. Common wire colors from o.d.unit are red=24v and White from the o.d. unit, (NOT THE WHITE FROM T-STAT!) is the common. The transformer may also have a tag/sticker that states 24v and common with a color of wire for C. And if the t-stat takes batteries that you need to install, you shouldn't need C wired in. C is there so you don't need batteries, if it has a battery option.

Jun 22, 2015 | Frigidaire Heating & Cooling

1 Answer

WIRING THE THERMOSTAT TO AC UNIT THEN FROM THE UNIT TO HANDLER


Generally, you would go from the thermostat to the air handler, and then, from the air handler to the outdoor unit. I don't know if you have a heat pump or not, so I will give you a simple diagram and you can contact me if you need more.

Thermostat : Y G R W and sometimes C
Air handler: Y G R W and C
Outdoor unit: two wires connecting to the contactor ( not heat pump)

Thermostat; Y--------------Y(air handler cooling)------------------one side of contactor, outdoor unit
G-------------G (air handler, fan)
R--------------R (air handler ,hot)
W-------------W (air handler, heat)
C--------------C (air handler, common)------------other side of contactor, outdoor unit

This is a typical wiring diagram. Just contact me if you have something different. Hope this helps. Stay cool. mark

Jul 10, 2011 | Heating & Cooling

1 Answer

I need to know what wiring diagram to use for SSZ140421 Cond with AEPF426016 handler with HKR15C strips.


The AEPF number is for an Amana air handler. I have a manual for this number. Send me an email address and I can forward it to you. Manual has diagram.

Oct 06, 2010 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Hello i want to conect a trane condensator 2twb0036a1000ba to a trane evaporator mww536k10raa i need a wiring diagram


Your wiring concerns may be more with the thermostat wiring connections than the condensor connections. if you look inside the cover of the evaporator unit (usually called air handler) there should be a wiring diagram glued to the panel cover. This diagram will show all 3 units (stat,cndsr, airhndlr) and the wiring needed between them. Trane and Lennox are notorious for having the most wiring between components. You also need to be sure the stat is the correct type for the system (i assume this is a heat pump system) and there can be as many as 9 wires from stat to system and 6 wires from inside to outside units. Also, the stat will have a wiring diagram with it that shows most typical system wiring including the wiring between in and out units. Your best bet (if you have no diagram on the unit or with the stat) is to call trane and have their tech division fax a diagram to you. Goodluck,Macgivor

Jan 27, 2010 | Heating & Cooling

2 Answers

Problems with low voltage control wiring turning on cond. unit


Only 2 wires going outside.
Yellow from the thermostat and the common wire from the lv side of the transformer.

Apr 28, 2009 | Heating & Cooling

1 Answer

Wiring diagam for goodman heatpump and air handler to thermostate


On your t-stat you have Y, W1, W2, R, O, G, B or C or X. Y is your cooling circuit and will be the same in the air handler and heat pump unit, use the yellow wire for this circuit. W1 and W2 are your back up elec. or gas heat. Depending on how many kws or heat strips you have and t-stat wires you will put the white wire to W1 in both the t-stat and air handler. W2 is for your second stage back up heat if air handler calls for it, this will be a tan or brown or black t-stat wire and goes to W2 on t-stat and air handler. R is half of your 24v control power from the transformer and is the red wire and goes to the t-stat, air handler, and heat pump. O is for the reversing valve in the heat pump that switches it from heating and cooling. You guessed it the orange wire connect to t-stat and heat pump. G is for the blower and is the green wire to the t-stat and air handler. B or C or X is known as the common which is the other half of control circuit from 24v transform it is the blue wire and goes to the t-stat, air handler, and heat pump.





Oct 09, 2008 | Goodman Heating & Cooling

1 Answer

Air handler


This should be doable: First get pen and paper-start at the furnace, theres a group of 5-8 wires leaving the furnace anfd going to the thermostat and a group of 2-3 going to the condenser outside that all need to be identified and the location in the furnace recorded if your furnace has a control board simply right the letter and the corresponding wire color:and whether it belongs to the condenser grp or the T-stat grp.

Furnace
R-red-to t-stat
C-yellow to cond
Y-red to cond and yellow to t-stat
G- green-to t-stat
W- white- to t-stat

If you dont have a circuit board youll be doing the same thing but using the components rather than letters;

Transformer 24v- red to t-stat
transformer 24v com -yellow to cond
Red from cond connected to yellow from t-stat
fan relay - green to t-stat
gas valve - white to t-stat

K then go to you t-stat and simply connect the corasponding component or leter to the thermostat gterminal

Cond Furnace Thermostat

yellow com- blue -C or B
gas valve or w-white -W
fan relay or g -green -G
trans 24v or R -red - R
red connection to cond or Y on board -Y
Hope this helps.

Jun 12, 2008 | Quasar HQ2052UH Air Conditioner

5 Answers

Wiring Diagram for Ruud Heat Pump


Unfortunately, the wiring diagrams for heat pumps are not so easy to come up with. The outdoor unit will have its own diagram, but may not include the indoor air handler and will probably not include the thermostat. That said, the orange wire is commonly run from the thermostat to the reversing valve in the outdoor unit. This wire is usually not connected to the indoor airhandler. The orange wire is usually used in a unit that has the reversing valve energized in cool. Ruud, however has its reversing valve energized in heat. Probably not useful but maybe helpful
Mike

Jan 04, 2008 | Heating & Cooling

2 Answers

Wiring Diagram


here is a basic wiring diagram for all air cond systems your thermostat consist of treminal r w y and c run a four conductor wire fromm thermostat to ai handler the air handler should allso have eather have red blue white wires or a teminal block marked r w c r stands for red w for white c for comon allso blue run color for color from the thermostat to ai handler with exeption of yellow yellow runs straigth to condenserand retuns in white wire to air handler wich gets conected to comon hope this help[s you

Sep 02, 2007 | Ruud UBHC Air Conditioner

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