Question about Heating & Cooling
The wiring diagham is missing on unit capacitor and fan were removed and tested ,capacitor was the problem with unit.the fan is a four wire unit,capacitor has 2 poles.ser. # is z349805 mod.#is worn off .I am able to wire anything if i have diaghram,and have been trying to find one for two weeks.any help would be good.
GOto the iside unit itself. and remove the door and look for a terminial strip that the thermostat wires from the thermostat connects to and write down the colors wires and the letters they're connected to and connect the same to the thermostat .... they should be... r--red=power w-white=heat y--yellow=cool g-- green=fan! See which wires/ colors they're not using and bend back! Thank-you-very-much!
Posted on Sep 01, 2008
I hope this is the correct wiring diagram for you. Good luck with it!
Posted on Mar 21, 2009
use a seperate capicitor for the fan only pick up 1 leg of power from common side of the compressor cap and the other from the contactor or the board in a heat pump situation
Posted on May 11, 2009
Well, it sounds as if you have a Coleman rooftop unit. If you have a start capacitor with a PTCR (Postive Temperature Coefficient Resistor) then it is different than if you have a Potential Motor Starting Relay. Why are you replacing the run and the fan capacitor?
Here is a link to the documentation that you need. If you do not have a Coleman and it is in fact a Duo-Therm, let me know the model number and I will be able to pull up the wiring schematic.
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Posted on Jul 04, 2009
call ur carrier supply house near u they will be able to help u unless they r too lazt to help but they have access to all that someplace like whittichen supply or totaline or weathertech
Posted on Feb 26, 2010
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If it is just the condenser fan that means you have a fan relay that has welded shut. Turn power off to your unit and trace the wires from your condenser fan back into the control panel at the unit. You'll have 3 wires going to it. 2 go to the run capacitor and one goes to the fan relay. The one that goes to the fan relay is the part that needs to be replaced. If you have no fan relay and it goes to the main contractor, half of your main contractor is welded shut and will need to be replaced.
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