Questions & Answers for: Ruud ar 500

...on the t-stat ... There ar up to eight terminals that need to be i9dentified and then properly wired. Heat pumps use at least 5-6. 5 t-stats failing is gettin close to $500 of repairs if not

RUUD (Protech Model 500) Thermostat Single Stage Not Programable The thermostat LED shows the heat is suppose to be running (little fan rotating in the lower left hand corner). However it is not. I ...

...so that it also will work for the proposed 2000 sq ft with new add. One ton of cooling per 500 square feet of space assuming you have good insulation. Yes, 4 tons for 2000 feet would be accurate. ...

i want to send you a letter Here is the address: Ruud Air Conditioning Division ? P.O. Box 17010 Fort Smith, AR 72917-7010 ? 479-648-4900

...and without batteries. When the electrical power fails the differential and temperature return apparently to a default setting. Please tell me what the default temperature and differential ...

...before a recent cold snap here in Florida. The unit is a "Payne" Model # PF1MNCO30 sounds like spark ignition coil bad the little fan combustion fan will run even after a fail ign attempt. turn

...Have reset thermostat but no change. Have you checked to make sure that all of the supply registers are open, the air filter is clean and nothing is blocking the return air grill? It almost sounds ...

...(as some say 400 sq ft others say 600 sq ft). I believe your unit is a 3 1/2 ton unit. Below is a chart 0sf-750 sf= 1.5 ton 751-1000sf= 2.0 ton 100sf1-1250sf=2.5 ton 1251sf-1500sf=3.0 ton ...

...depends on several factor but as a general rule I size systems at one ton cooling per 500-600 square feet. Therefore I think you will find on very hot days that your a/c is going to be working

ruud model ugda-150a-ar getting pilot to light the ignition system may have a broken igniter or plugged gas orifice if the ignitor is working.