20 Most Recent Ruud Central System Air Conditioner Questions & Answers

Could be a bad capacitor.

Sorry we do not sell parts nor have any way to locate them for you.

Check grainger.com or repairclinic.com

Get a users manual from website, download, and use it to reprogram the thermostat.

put blocks under 4 corners work small sections at a time.

sounds like low on freon.

turh off power & use water hose to wash condensor coil. stay away from power panel of unit let it set for 4 hours turn power back on restart.

going out on safety. either high limit or failure to detect flame.

if the outside fan is running you have correct voltage. compressor capacitors could be bad.

when outside temperture gets to low for heat pump to work effiencely

relay needs to be changed. you could probably tap on it & it would quit..

thermostat neeeds to be calibrated or one of your 1st stage heating elements bad.

check thermastate

outside unit spray with garden hose. start at top of the grill, work ur way down. u will see dirt come out of bottom.

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 low voltage wiring and the thermostat wiring.

Pressures look good but to know if it is charged correctly you have to do a sub cool or superheat to know for sure. Rule of thumb is if turn unit it on let it run 10 minutes. If the suction line sweats and is cold. Might be proper charge. If you need further help, I’m available over the phone at https://www.6ya.com/expert/michael_70df8fb57a5e233e

It's inside the unit on the left wall

Sorry, neither of these answers are completely correct.
You have a heat pump (or the wrong thermostat). Let's assume you have a heat pump.

In air conditioning mode, it works like every air conditioner you have ever had, but...

In heat mode, it reverses its operation. Have you ever felt the air coming out of the outdoor unit of your A/C unit? It's hot, isn't it. And the air coming out of the indoor unit (out of the registers) is cold. Now for a heat pump to produce heat it simply runs the air conditioner in reverse and the heat comes out in the house and the cold is released outside. Neat, huh!

Here's the problem with heat pumps...when it is really cold outside the heat pump can't produce enough heat to heat your home. So it has an additional heat source called "Auxiliary Heat". This heat comes on automatically when the house doesn't get warm enough. The source of this heat is based on the region of the country you are in. North/Northeast generally have oil heat, other regions have gas, and still others have to use electricity to heat. In Texas, we usually use electricity as the supplementary heat on heat pumps. VERY EXPENSIVE!

Now the "Emergency Heat"...this is exactly as stated in Solution #2. This is manually turned on by YOU at the thermostat when your heat pump fails. This turns on the auxilliary heaters and turns off the heat pump (remember, the reverse air conditioner). Again, this can be quite expensive to run if your heat source uses electricity! Gas and oil may be cheaper. The emergency heat is only designed (normally) to keep the house livable (not comfortable) until the Heating Tech can get out to you and fix your heat pump.

Something else you should know. It is normal for a heat pump's outdoor coil to frost up during heating mode. It will detect this and go into DEFROST mode and melt the frost off the coil. While it is doing this, it will turn on the auxilliary heater to keep the air blowing in the house at a reasonable "warm" temperature, but it will not be as hot as normal. In fact, heat pumps produce a lower temperature heat than traditional heaters. So the air may feel cooler during heating than you are use to anyway. This is normal and is not a sign of a problem.

So what do you do: Set your thermostat to the temperature you want and set the controls for HEAT/COOL and FAN-AUTO/ON and leave the EMERG HEAT off unless your heat pump breaks.

As always, keep your filters clean and your outdoor unit's coils clean and free of debris.

Hope this explains your question for you!