Question about Heating & Cooling
DO YOU HAVE A WIRING DIAGRAM OF THE NEW MOTOR? TYPICALLY NEW MOTOR WILL HAVE OPTION FOR MULTIPLE SPEED MOTORS.
WIRES ON UNIT NEW MOTOR
OPTION 2 YELLOW=MED/LOW
OPTION 3 BLUE=MED/HI
OPTION 4 BLACK=HI
Posted on Dec 11, 2014
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Posted on Jan 02, 2017
SOURCE: I am replacing the a/c
Brown wire is Start
Yellow wire is run or Power
Black wire is High Speed or Common
The other two taps are speed taps, but you have a single speed application
And high speed is what you need ,that’s why there’s not any wires
on Red and Blue if high speed was to much then you would move the
Black wire to one of the other taps RED low speed or Blue Medinm speed
White goes to the Yellow wire from the capacitor
Black goes to the Black wire you took off of high speed on old motor
Of course both Brown wires go to the capacitor and Green to ground
If a capacitor doesn’t discharge it doesn’t mean it’s bad
but the capacitors don’t last as long as they used.
Any time you put in a new motor always replace the capacitor
It will save you a lot of time and grief later on.
Posted on Apr 28, 2009
SOURCE: Wiring transformer on ac
pls on the transformer is writing each wire color to the corresponding voltage you have 2wires low voltage 24 volts(secondary) and other 2 wires power ( primary) also if you follow the uni wiring you will find 3 vwires main power voltage may be 110 or 220 or 380 and two others low voltage commonly 24 volts after identification you can connect each wire to the other .
Posted on May 04, 2009
Wire nut or tape the black off. The red is normally 24volt supply power to the t-stat. Blue may or may not be the common. Have a voltmeter?
Posted on Jun 24, 2009
SOURCE: "i'm replacing my Rheem RBGC
There should be a wiring diagram on the side of the new motor.
The brown and the brown w/ white go to the new capacitor you should have bought with the motor.
The black and white go to your L1 & L2 power source. The remaining wires must be capped off.
Posted on Feb 25, 2010
Testimonial: "Thanks for the info. although a day late it confirmed what a friend had told me also. Didn't see any wiring diagram on the new motor."
These wire colors are the different speeds for the motor. You will have 1 wire going to the heat, 1 wire going to the cool, and 2 wires on the park terminals on the board if available. It will actually tell you the speeds of the colors provided on the motor itself i.e. BLACK=High and so on. Without knowing what model of unit you are working on, it's hard to say where exactly the wires will hook up, but the majority of the time you will have a electrical board inside the furnace and the terminals that I described will be marked. Hope this helps and good luck!
Posted on Aug 05, 2010
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