Wire to cap herm used as common common used at herm fan as fan.
York condenser fan motor running backwards.
If it is single phase then the motor usually has a third wire that will reverse rotation.
Ive heard a bad capasitor could cause this.
Co woker called and said one condenser fan was running backwards on a 20 ton trane ac causeing unit to trip on high head.
Condenser motor running backward.
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This article discusses the diagnosis and repair of problems with the outdoor compressor condenser fan and fan motor including fans that wont run fans that run at slow speed and fans that won t stop running our page top photo of a compressor condenser fan unit shows that a stick had fallen into the fan blocking the blades and.
Everything actually ran just cond fan backwards sent from my gm1915 using tapatalk.
If it is a 3 phase induction motor you can reverse the rotation by switching any two of the three wires.
I told him in was probably just spinning backwards.
He said no because its has voltage at motor plus it was pulling a amp draw.
A c or heat pump fan condenser unit diagnosis repair.
Anyone know why this happens no one.
I was checking out a unit that didn t seem to be keeping the office space cool and it didn t take long to realize that the outdoor fan motor was in fact running backwards.
There is a fin comb to help straighten the.
Either one of them must be on the fan port and the other on the common port along with one wire from the condenser.
Second fan that i ve found this week running backwards capacitor is only three weeks old replaced during ac start up.
At york comfort is more than a feeling it s a promise.
The a c is now functioning fully and properly both from this change and from a good cleaning of the evaporator coils condenser coils blower fan and drip pan and tube.