Question about Ruud UAKA030 Air Conditioner

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Ruud 3.0 ton package unit

Compressor comes on but the blower motor and condenser motor dont come one

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Check low and line voltage especially transformer.

Posted on Jun 23, 2008

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I have a carrier Day & Night a/c - heater unit. the model # 591ANX0480000ACAA, 208/230 volts. my blower fan stays on continuously, even after turning the thermostat off. the condenser fan does not come on...


If the blower fan in the furnace won't turn off, there is a tripped/blown limit. It's a safety. As for your condenser fan it could be a run cap or motor. Do yourself a favor and have a licensed HVAC contractor take a look. Find a NATE certified or ACCA member. You will find a much better more qualified contractor.

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Compressor will not start up during new gooman packaged 3.5 ton heat pump a/c unit installation


New unit and it will not start typically a miswired unit. which happened at the factory. If you turn off the power you can Trace the wire from the compressor and make sure there are no disconnected wires. You need to know how to read a wiring diagram and a meter to effectively troubleshoot you loss of voltage or if the compressor is operable.

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I have a 25 year old Ruud A/C. The outdoor fan isn't turning and I can hear the condensor humming. There are 2 capacitors in the the electronics box that the schematic says are running capacitors. ...


The 3 microferad capacitor goes to the fan motor. The bigger one goes to the compressor. If the capacitor is swollen or pregnant looking it is shorted and needs to be changed. If it has discharged oil it has shorted out. If you can't read the mfd (microferad) you can go by the rated tonnage of the air cond for rule of thumb.

2 ton condenser = 25mfd capacitor
3 ton condenser= 35 mfd capacitor
4 ton condenser= 45 mfd
5 ton = 55 mfd

again, this is rule of thumb but should get your unit running again.

Jul 28, 2011 | Ruud Heating & Cooling

1 Answer

RUUD Achiever 3 ton roof unit. Pops fuses. Place "hard" fuses in and it would pop the house's 60A fuse. Checked both motors and they spin just fine at the touch. Both caps also...


Hi,
The compressor is going bad or the unit is charged wrong...
Whatever the cause the problem is the compressor locking up and blowing the fuses...
Clean the condenser coil...maybe the pressures are going too high...
If that don't work, then the compressor is shot or over charged...

Here is a tip that I wrote about how to clean your condenser

Cleaning Air ConditionerCondenser Coil with Pictures

heatman101

Jul 25, 2011 | Ruud UBHC Air Conditioner

1 Answer

Compresser on my 2 ton condenser unit not coming on condenser fan running but not the compresser. I already replaced the capacitor but did not fix the problem.


Check the wires going to the compressor terminals making sure there is no damage to them or to the compressor terminals..Install a hard startbobicehouse_2.jpg

Jul 03, 2011 | Ruud Matching Split Air Conditioner

1 Answer

My ruud has reset sw i have reset it the unit only buzzs.


Hi, this is a Ruud package unit I see. If you are resetting the unit and it just buzz's, your compressor is burn out. It is locked up internally and will need to be changed. To prove this, you can kill the power at the box. Open the panel, or remove the section where the electrical wires go into. You compressor is the large black pot. Be sure power is off. You have 3- large colored wires going to the compressor. It has a plastic cap over them. Squeeze the cap to remove it. You will see where the 3- wires plug into. Take off one at a time with pliers and mark how it goes. Do this to all 3 wires. Now, take a roll of black tape and tape the bare ends up so they dont touch metal. Once you are done, apply power to unit. Start the unit, and the fan and inside blower will at least come on. Now you know that the compressor is the problem, and you will need to call out a tech to change it out. By doing what I have asked, this will save you many $$$$, because know you know the problem and will not cost you to have someone come out and tell you this.Please rate me if I have been of help to you. Please let me know the out come also.
Shastalaker7
A/C, & Heating Contractor

Jun 03, 2011 | Ruud UAMB Air Conditioner

1 Answer

I have a Ruud Model # UACC-036JAS. Any idea on


Hi, yes the number you are showing me 036 indicates its a 3 ton unit. For every ton of cooling, you will have 12,000 btu's of cooling. 36 divided by 12=3 ton unit. Its showing me also its a Ruud Handler 2.0 ton which would be a Model# UACC-024JAS? If your mobel number is the one you gave me, UACC-036JAS, this is a 3 ton unit, absolutely no questions. I hope I have been of help to you. I am a licensed air conditioning / Refrigeration /Heating Contractor. Let me know if I have been of help.
Sincerely,
Shastalaker7
PS If this is a split system with the indoor air handler and condenser outdoors, both coils must be the same tonnage for it to work for you properly. You can't have a 2 ton indoor evaporator coil with a 3 ton condensing unit.

Jun 28, 2010 | Ruud Handler Air Conditioner

1 Answer

Need a part number for fan motor on UAMB-036JAZ


Hi, what you need to do is gain access to the motor its self. If it is the condenser fan motor or the blower motor . This is a 3 ton unit from the numbers you have given me. There are two ways you can do this. On the data plate on this Ruud unit, normally they are paper with a plastic coating on Ruuds and Rheems, and it will tell you the H.P., size like 1/3, amperage, and the R.P.M.'s. Then get all of the model number and serial number from the unit. The best way is to get the information from the motor its self. It has the voltage, amperage, name of motor, example a G.E., the part number, Horse power (H.P.) r.p.m. such as 1725, 1100, and so on. Rotation, CW or CCW. The new motor will be reversable, just change 2- leads on it. This would be your best bet, to do it this way.
please don't forget to rate me and I know you will be kind. I cant give you the numbers as they will use different motors in the same unit, and different brand names.
Sincerely,
Shastalaker7
A/C, & Heating Contractor

May 29, 2010 | Ruud UAMB Air Conditioner

5 Answers

Ruud achiever 10 seer air conditioner


It sounds like your condenser fan motor may be locked up or the capacitor that helps give the condenser fan motor a kick to get it started may be defective. Try turning your system on and using a long screwdriver try to push the fan blade on the condenser fan motor to see if it will run normally if you give it the starting boost it needs.If it does run at full speed and doesn't over heat or start and then slow down then you probably only need to replace a simple 10-12$ capacitor. If it barely turns, makes an odd humming sound or overheats etc. then you will have to replace the condenser fan motor. This is assuming that the outdoor condenser has the 220v supplied and the 24v supplied to the compressor relay, that the compressor relay is engaged and suppling 220v to the condenser fan motor.

May 28, 2008 | Ruud Matching Split Air Conditioner

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