York -Stellar Series H4DB042S06A - Heating, Ventilation, and Air Conditioning (HVAC) - Do-It-Yourself Appliance Repair Help - ApplianceGuru.com: The Samurai Appliance Repair Forums

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York -Stellar Series H4DB042S06A

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You have chosen to ignore refpoman. click Here to view this post

Posted: Sun Aug 17th, 2008 09:09 pm

2^nd Post

dkpd1581

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Let the motor cool off and after a few hours (and with the power off) take your meter and check the following:

1. Make sure that there are not shorts to ground on any of the 3 winding leads

2. Make sure that there is continuity through all three windings

3. Check to see if the capacitor is within 10% of the listed value. If not replace.

If everything is good so far, hook everything back up, apply power, make the t-stat call for cooling, and measure the amp reading on the common lead of the fan motor. It will either:

1. Start and run fine - not likely (enjoy your AC)

2. Start up and appear to run fine but the amp draw will begin to increase to the point where it stops (bad bearings - replace motor or bad capacitor - replace capacitor)

3. Try to start, not spin, and make a humming noise (locked rotor - replace)

4. Sit there like a bag of rocks with no amp draw - make sure all lines are connected and there is 230 VAC applied to L1/T1 and L2/T2 off of the contactor

If you do replace the fan motor it is advisable to replace the blade as well. Old blades can be unbalanced, become damaged on removal from the old motor, or come apart with the increased power and torque supplied by the new motor.

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Posted: Mon Aug 18th, 2008 04:28 am

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RegUS_PatOff
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I do believe he did mean "locked rotor"- the rotating part of the Motor, the stationary part is the "stator"

Capacitor warnings... (usually worse in high-voltage DC applications), just make sure you short the Capacitor Terminals together (possibly with a screwdriver) to discharge any residual charge...

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Posted: Mon Aug 18th, 2008 11:55 am

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RegUS_PatOff
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There shouldn't be much charge left, if any, after a week.

It would be safe to short any & all together (if the power is off).

Last edited on Mon Aug 18th, 2008 11:56 am by RegUS_PatOff

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Posted: Mon Aug 18th, 2008 12:39 pm

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RegUS_PatOff
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Depending on the Motor replacement (substitute), brand, it may or may not come with a Capacitor (or available separately) and , the wires may be, or maybe not, depending on if it has different voltages, speeds, rotation direction, ect... but this one is probably 220v, single speed, fixed direction...

Last edited on Mon Aug 18th, 2008 12:42 pm by RegUS_PatOff

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Posted: Tue Aug 19th, 2008 04:18 am

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Cactus Bob

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All york motors come with the wires to make your life easy only go with a factory YORK motor ordering it with your units mod #

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