Questions & Answers for: Ruud 24v

... ok it unit is a central I'm suspecting a voltage transformer is defective you see these units need 24v to turn on certain components but if your air handler turns on, your getting 24v to the fan ...

...be a burned out transformer. If you can check for 120v on the primary coil of the transformer and 24v on the secondary that would tell you where the problem is. If theres no voltage on either side ...

24v wiring for RHEEM heat pump I need help determining where the wires go: Brown wire (labeled COM) Blue wire labeled 24VAC Yellow wire labeled HLD a purple wire that comes off of the Defrost relay, ...

...so you dont blow transformer after transformer the wire coming off the transformer that say 24v take that wire a couple of inches down and cut it and install the fuse in series there

...out, test the low voltage system. With everything on (the unit should be cooling), you should see 24V when you probe between the red and yellow or the red and green wires. (yellow is cooling, green ...

...being there and with little information. The part your referring to is the contactor. It has a 24v coil that pulls it in when your thermostat is calling. Without being there to check a few

...a certain percentage of the voltage through it. To check operation, the coil should pull in when 24V is supplied to it. If 24V is being supplied and its not pulling in, you can attempt to manually ...

...did you replace the contactor. if so, you need to verify the control coil voltage. should be a 24v coil. you need to also check to verify you are getting 24v at the contactor

...and compressor runs. sounds like you need a new contactor but check to make sure you have 24v at the control wiring side of the contactor first. If you don't have 24v check the condenser

Code lights won't light on rheem ruud 1028-928 Replaced circuit board That board runs on 24v power. I would check to see that you have 24v from C to R at the t'stat wire terminals. Also make sure that