Question about Heating & Cooling
I need help connecting wires thanks
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Posted on Jan 02, 2017
Hello, if there is no fuse on the circuit board than it is possible that the transformer is bad. Easy way to chevk is turn off power to unit and use a meter to chevk resistance of the transformers secondary side. If no resistance the transformer must be replaced.
Posted on Sep 26, 2011
Most typical wiring for Heat pumps are as follows: Red-R, Yellow-Y , Blue(common)- C, Green-G, White To either W, or W1, or Aux, Black-E, I will need additional info like: is your system a Heat pump, Straight a/c w/ elec. heat, and also what kind of tstat are you trying to hook up? Digital, mechanical?
Posted on Oct 16, 2007
SOURCE: rewire air conditioner controls
Assuming "Window Unit" with rotary switch.
L1 (smooth part of line cord) to thermostat 1, thermostat 2 to overload (black disk) from overload to Common( C) terminal on compressor.
From Run (R) terminal on Compressor to Common (C) terminal on dual capacitor. From Start (S) terminal on Compressor to "Herm" terminal on capacitor. From fan motor to # 4 on switch = Medium Speed, to # 6 on switch = High Speed, from fan motor to # 7 on switch - Low Speed. Brown wire from fan motor to (F) on dual capacitor, white wire from fan to (C) on capacitor and L2 (ribbedwire) (N) to (C) on capacitor
Posted on May 10, 2009
Power leads L1 and L2 to top terminals of contactor.
Compressor leads T1 and T2 to bottom terminals of contactor
Side terminals get the low voltage leads from transformer.
Posted on May 19, 2009
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