Question about Heating & Cooling
I do not have a wiring diagram to give you. If the one that was on the furnace has disappeared, you may be able to find one on the manufacturer's web site. A local dealer may help too.
The colors I have are not follow the right codes.However, I traced them and I conntected them.The problem was solved.Here were my measured voltage on each wire: Thin black: 110vac (coming from input power supply) thick black: 0 vg (is coming from inducer motor) thick Gray : 0vg (is coming from pressure swtich) thick red : 25 vac(is coming from sensor) thin red : 25 vac ( is coming from the output of the transformer) white : ground ac ( is coming from the transformer as well)
I connected the relay as follow:
1. the input of the relay should be 25 vac so I connected the thick red which is coming from the sensor on one leg, and the other I connected to the white as a ground. 2.When the sensor get the signal the 25 volt will swtich the relay,so the connected the thin red(25) and the thin balck(110) to the swtiched legs. 3. I connected the thick black and the thick gray to the unswtiched legs. So when the relay swtiched the gray will have the 25 volts to close the pressure swtich which will feed the TH leg on the module to generate the spark, and the thick black will get the 110 vac to get the inducer motor the power to run.
the furnace is working perfectly now.I have some troubles after connecting every thing because I lost the 25 volts, and I got only 13 volts which was very unusual.However, I found the reason that the cover of the wall sensor unplaced.When i put it right, I got the 25 volts back.
I'm sorry that my english is not that great, but i tried to explain what i did to help any other if they face the same problem.
Thank you Ben
Posted on Sep 02, 2010
This is the only site which provides wiring diagram related to Coleman.
Coleman does not provide any online diagrams...
For 24 volt transformer:
For RBM relay:(Common not specific to Coleman)
Hope this can help you.
post a comment for further assistance.
Thank you for using fixya have a nice day:-)
Posted on Sep 01, 2010
Follow these steps
Connect the input wiring. The input to your transformer should be marked 120 volts. Many transformers come with the input wires already attached. All you need to do is connect a standard two-pin wall socket to the two wires. You may need to splice if there is no wall socket close by. Of you can connect them to a junction box if you are skilled in house wiring.
Connect two wires to the output of the transformer. Loosen the screw terminals, strip the wires about half an inch, place them under the screw terminals and tighten them.
Connect the output wires from the transformer to your HVAC unit. Look at the owner's manual or the HVAC unit itself to find the terminals. If they are screw terminals, loosen the screws, strip the wires about a half an inch, place them under the screws and tighten them.
IMPORTANT: lOOK INTO THE LINK BELOW FOR WIRING DIAGRAM:
Posted on Sep 01, 2010
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Posted on Jan 02, 2017
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