SOURCE: What air filter size fits a Ruud model UBHC
well go to the forced air unite and open up the fan compartment and measure the size. or find out the air returns and there should be filter in there.
SOURCE: RUUD UBHC-17J14SFA HEATING PROBLEM
you may have airflow issues, verify the inlet and outlet temps with the unit running on start up, if the unit exceeds the "rise" allowable then the safety devices "overtemp" will take the firing circuit off line until it cools down. The acceptable mfg. rise is listed on the nameplate inside the burner chamber, (generally on the side wall)
SOURCE: Ruud Furnace Model# UBHC 14J11NFA runs
Check your fan selector. If it is on 'ON' place it on auto.
SOURCE: recently changed thermostat on gas furnace w/ cent air
Unfortunately, a strick standard does not exist for wire terminals and colors. However, there are "norms" which I will be happy to share with you.
Red - Rh & Rc (Jumpered)
Blue - C
Yellow - Y
White - W
Green - F
Note: this is assuming you have only ONE transformer in your low voltage circuit for both heating and cooling. If there is a low voltage transformer at your outdoor unit you will need to seperate Rc & Rh. At this point, I have to recommend a trained, qualified service technician. A good service technician should be able to resolve the wiring issue in under 30 minutes.
http://www.youtube.com/watch?v=_HyhUyU-AMI
I only wish I was able to look at exactly what you have to include tracing all the wire back to the furnace and condensing unit. Tracing the wire is the only sure-fire wire to do the job correctly.
I wish this could have been a black & white answer; however, I do hope you found this information helpful in your endeavor. Good Luck to you! :-)
Testimonial: "thanx,but i figured it out....new thermostat required a battery for led display...elim. blue added jumper-good to go....thanx though!"
SOURCE: Trying find a part # for my Ruud Return Filter
measure the old filter and go to the hardware store and buy one
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