Question about Heating & Cooling
Your system likely has a thermal sensor in which the fan kicks on on a as needed basis. Normally this will happen during the heating cycle. Are you heating or cooling?
Posted on Jul 08, 2017
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Posted on Jan 02, 2017
the mfd is stamped on the side of the capacitor.Be careful to kill the power and to NOT touch the terminals.The capacitor is capable of holding a charge even after power is disconnected.
Posted on Jul 29, 2008
SOURCE: HVAC Blower Motor Replacement
Ain't nothing to it. Slide out the blower and take it outside. Use some rust buster to get the blower out. Don't beat on the shaft. Spread that shaft and the wheel won't come off. Use a rubber mallet. Most generic blowers have white as a common wire and the speeds are black-hi blue med and red, for low. 2 brown wires will go to the capacitor. other wires will reverse direction. Wash the housing and blower wheel good. any wire unused will be taped off to themselves. Nothing to it.
Posted on Mar 11, 2010
did you get a motor with the same amps? did you check to what the amp draw is on the old motor to the new? reason is different amp ratings on motors need dfferent blade pitches, also 2,3 or 4 blades pull different cfm. is the motor a belly band mount or does it hang by studs? also check to see if the capacitor is the correct uF. hope this helps you feel free to ask any question if this does not help you.
Posted on Jun 09, 2010
I have over 35 years in the A/C business and am ASC certified. The motor will normally draw 4 to 6 times it FLA (Full Load Amps) or RLA (Regular Load Amps) when first starting up or is seized. This is called LRA (Locked Rotor Amps). These specs can be found on the motors nameplate and can be checked with an amp meter. If the motor hums and won't start while pulling these high amps, Try giving it a spin with a stick. (in the right direction of course). If it keeps running when helped to start, its probably the capacitor. They normally run about $7.50 wholesale. If its tight in both directions while humming, 1 or more of the field poles is out of balance and the motor will need replacement. Good luck and be careful when spinning it.
Posted on Mar 31, 2011
Testimonial: "Thanks the RV shop wo installed it are going to contact Dometic and He thought the same as you. Thanks!"
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