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On a goodman 2 ton air cond, where do the yellow and black thermostat wires connect in the furnace area connections to what terminals Y,G,R etc

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Y and c

Posted on Jul 29, 2008

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We are trying to install a new thermostat for our heating and ac. and the wiring colors are different.


Hello my name is Heath it will be my pleasure to assist you. Red wire to R terminal on the urnace and the thermostat. White furnace and the wire to W or w1 on the thermostat nd the furnace, Use the brown wire on the W2 terminal of the furnace and the thermostat., Yellow wire to the y or y1 terminal on the furnace and the thermostat, Green wire to the G terminal on the furnace and the thermostat, Use the black wire to common on the furnace and the C terminal of the thermostat, Use the blue wire on the Y2 terminal of the furnace and the thermostat if you have a two stage air conditioner.

Sep 11, 2011 | Air Conditioners

1 Answer

How do you install the thermostat?


Hello my name is Heath it will be my pleasure to assist you. Red wire to R terminal on the urnace and the thermostat. White furnace and the wire to W or w1 on the thermostat nd the furnace, Use the brown wire on the W2 terminal of the furnace and the thermostat., Yellow wire to the y or y1 terminal on the furnace and the thermostat, Green wire to the G terminal on the furnace and the thermostat, Use the black wire to common on the furnace and the C terminal of the thermostat, Use the blue wire on the Y2 terminal of the furnace and the thermostat if you have a two stage air conditioner.

Sep 05, 2011 | Air Conditioners

1 Answer

Where to connect blue wire on a 16 seer Westinghouse condenser unit. It has 3 low voltage wires a black a yellow and a blue.


If you have 3 wires hooked up to the indoor unit, you need to read the terminals to which they
are hooked to. On the outdoor unit you need to see on the electrical print where the low voltage
wires should go. However it is uncommon to have three wires, 2 wires is common..

For instance, on the furnace if Black is connected to Y terminal then black at the condenser
would go to one side of the contactor. If Yellow is hooked to C terminal at furnace, the
at outdoor unit Yellow wire would go to other side of contactor. If Blue is not Hooked to
anything, tape it off.

Sep 01, 2011 | Air Conditioners

1 Answer

Never got an answer to ? on a new goodman board #B1809913S. I want to know where to hook up the a/c circuits, yellow for t-stat =cool, and the cond wires. there is no terminals on the board for these...


Most of the time you would hook it up to Y on the furnace terminal strip. G would you to G which is Fan control....... But if you don't have a terminal on the furnace you can hook up the yellow wire from the thermostat Y directly to the condensor wires from the AC and the other wire from the condernsor to C common ternimal........ just make sure that the blower fan comes on with the AC or it won't cool.

Jun 26, 2011 | Air Conditioners

2 Answers

Goodman gmp0753 wont turn on condenser. The thermostat yellow wire is not connected to the unit. Does this play a part in my problem and where does this wire connect inside the furnace.


Hi, yes this is your cooling wire. Connect it to the Y terminal on the circuit board if this unit has one, or to the yellow thermostat wire coming from the stat. You will either have a board with these marks on them, R for hot, Y for yellow and cooling, W for heat which is heat, and G for fan which is green. If no board, look for all of these wires as they have to be there and they may be connected by wire nuts. Just connect the yellow to yellow and the outdoor unit will run. Very easy for you. Please be kind when rating me for my help.
Sincerely,
Shastalaker7
A/C, Heating, & Refrigeration Contractor

Jul 02, 2010 | Air Conditioners

1 Answer

Goodman GPM075-3 air conditioning connections


your thermostat powers 'Y' for cooling. That in your case blue wire connects to 'Y' on the control board in the furnace. Then a pair of low-voltage wires connects 'Y' and 'C' on the furnace to the two wires to the coil of the contactor in the a/c condensing unit. So to follow the path, the signal wire from the thermostat sends 24v down the Y wire to the furnace board Y terminal which also connects to one side of the contactor coil in the air conditioner. To complete the control circuit to the air conditioner there has to be a common wire. This is connecting the C wire from the furnace board to the other side of the contactor in the air conditioner. Hope this helps.

Dec 11, 2009 | Goodman Air Conditioners

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 | Air Conditioners

1 Answer

Manual Thermostat replcaement with Programmable Digital unit.


Hopefully there are markings on the old t-stat as to what terminal is what.
on the honeywell 8000 use the heat pump labeling and then the standard wiring would be
R- red
AUX-white
Y- yellow
B- O/B
C- black
G- green
There should not be a bare wire, it probably just has the insulation stripped back way too far.
You should probably open the furnace and compare the terminal label in the furnace to the wire color. normally yellow and blue pass through the furnace and are wire nutted to wires going to the outdoor unit. In the furnace the white wire will connect to the w or w1 terminal. also, you will need to set the Honeywell stat to have the following parameters.
170-7
190-1
200-0
other parameters that I did not specify, you may read the manual and make your own decision but I recommend factory settings for the other parameters

Jun 14, 2008 | Ruud UBHC Air Conditioner

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.

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5 Answers

Carrier Infinity Control Thermostat SYSTXCCUID01-B


Your old stat is wired for a traditional thermostat and not a communication stat like the new infinity you have. There is a module plug on the furnace board that will need to be connected to the new thermostat for it to work. The wires that are wired now are from a terminal strip inside the furnace. Please contact your local Carrier dealer. They may be able to get that harness for you

Dec 06, 2007 | Air Conditioners

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