Trane Condenser Fan Motor Running Backwards

Cabinet not hot thx yuri for the warning and compressor terminals not shorted to bare copper cleaned up good suction line.

Trane condenser fan motor running backwards.

After everything cools down the compressor and fan will run again the fan will start in the reverse direction for a while and then. The fan is unfortunately running in reverse. Started the compressor that was solved at least but the fan was running backwards. Ask question asked 7 months ago.

I can make it start in the proper direction if i start the blade moving in the right direction and then start the ac. The compressor then overheats and shuts off. Everything in the machine was original wiring matched diagram and looked original just the strangest thing i ve found in a long while. The wiring is correct as i took pics of everything before i took it out.

If it is a 3 phase induction motor you can reverse the rotation by switching any two of the three wires. 1 12 hp 1050 rpm 0 5 amps. He said no because its has voltage at motor plus it was pulling a amp draw. Shrugs i dont quite understand why.

I installed a new fan motor on my trane condenser. Compressor pulling 11 amps. The motor was marked what end was what and there isnt any way to have put the windings and shaft in backwards. I told him in was probably just spinning backwards.

If it is single phase then the. Based on a message on this site i reversed the position of c and herm on the cap and fixed the problem. It was making cold air and i believe subcooling was 10. Active 7 months ago.

The condenser fan on my trane ac unit is running in reverse. Dual run cap was 31 3 4 uf. Co woker called and said one condenser fan was running backwards on a 20 ton trane ac causeing unit to trip on high head. And probably has been since i first turned it out this year.

9 ohms 3 1 ohms 3 9 ohms. Based on a message on this site i reversed the position of c and herm on the cap and fixed the problem. Data plate on fan motor. Ive heard a bad capasitor could cause this.

Second fan that i ve found this week running backwards capacitor is only three weeks old replaced during ac start up. Bad start capacitor. Trane hvac condenser fan runs backwards. Be careful running a condenser backwards may cause damage.

Anyone know why this happens no one. After a little while even when it is moving in the correct direction the fan slows down to a crawl sometimes even stopping all together. Condenser fan running backwards pulling in air from top and out coil sides. It s 240v three wire genteq motor that s described as clockwise shaft up rotation.

Viewed 170 times 2. I had a york with dual condenser fans do that to me about a week ago. I did replace the motor just not really understanding how it happens it couldn t of been running backwards for that long pressures were not alarming. Any idea what causing it to run in reverse.

I replaced the motor bc both caps tested good and the damned thing kept on runnin backwards. Fan 2 ran forward and fan 1 ran backwards.