Question about Ruud UAMB Air Conditioner

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I have an old unit on a hot day it stops working

I have an old ruud unit, on a hot day it stops working and i have to press the red pressure relief button to make it work and this happens 3 to 4 times a day what could be wrong with it.

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That pops when the internal pressure gets too high,try cleaning coils off with hose,could have a fan motor not running up to speed.

Posted on Jun 25, 2009

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My RUUD UAMB-924JAZ keeps shutting off. I have to go and press the red pressure switch reset button and it will resume operation. with the 100 degree plus weather, the pressure switch reset button no...


This is most likely due to ahigh pressure condition , are the outside coils clean> if not you can wah or vacume them out be carful to shut the power down if you wach the coils. and try not ot get the whole unit wet. wash it against the way the air blow out of the condenser, are you certain its the pressure switch that your resting.. ?

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Pressure releif valve leaking


Hot water pressure relief valves serve two functions. The first is to remove high-pressure water from the hot water tank. The second function is to act as a high temperature valve to remove water that exceeds a predetermined point for the valve. Both of these relief settings are preset at the valve factory. Many pressure relief valves will come with a metal tag that identifies these release points. If you're attempting to remove the hot water heater pressure relief valve, pay careful attention to ensure that you replace with the correct valve.

Your hot water heater has a pressure relief valve safety mechanism. When pressure inside the water tank exceeds certain limitations, the valve opens up to allow the pressure to be released. A faulty pressure relief valve will not release excess pressure, which could cause extensive damage to your home. You should test the hot water heater pressure relief valve once every six months to ensure proper operation. If the pressure relief valve fails the test, replace the valve with a new one immediately

Locate the pressure relief valve on your hot water heater. The pressure relief valve has a lever handle on top with a drain pipe attached to it. The pressure relief valve is most often on the side of the water tank toward the top. Newer models of hot water heaters have the pressure relief valve on top of the water tank.

  • Inspect the area around the pressure relief valve for signs of leaking water. If there is leaking water near the relief valve connection, replace the relief valve. If no leaking is evident, proceed with testing the pressure valve.

  • 3

    Examine the area below the pressure relief valve drain pipe. Most water heater closets either have a drain in the floor below the pipe or the pipe is inserted into another pipe to direct the water out of the home. If the end of your drain pipe is not in another pipe or there is no drain in the floor, place a bucket under the drain pipe to catch water when you test the pressure relief valve.

  • 4

    Pull the lever handle on the top of the pressure relief valve up with your fingers. A working lever will lift up without difficulty.You should begin to hear water going through the drain pipe. Slowly release the lever to shut off the pressure relief valve. The pressure relief valve is good. If you did not hear water running through the drain pipe, lower the lever on the pressure relief valve and replace the valve. If the lever is difficult to raise, do not force the lever. Replace the pressure relief valve.


  • Now with all that said if you have a closed loop water supply system and you have a pressure vessal/expantion tank it may have gone bad and is making the TP valve leak. you can call your water provider to see if you have closed loop system.

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    Hot water leaking from what i think to be the pop off valve. i tried to tighten it a little and it started leaking more. The unit is 16 years old. The excess water is draining into the catch pan and then...


    Hello
    16 yrs old? Im guesing this is a hot water heater.Not a air conditioner.

    If its still making hot water you may not need to replace the whole unit.
    The valve that is leaking is a high pressur relief valve and they do go bad the sprigs become weak over time and some corrosion may not allow the valve to seat properly.

    1st step is to shut off all incoming and out going water to the tank.
    2nd Shut off fuel or gas to the unit, and annonce to everyone your are working on the hot water heater.
    3rd at the very bottom should be a drain valve much like a hose spicket,open this slowly and drain the tank,remember the water will be hot.You may not need to drain it all the way,while draining pop open the relief valve,when you stop getting water from it,you are below it and can turn the drain valve off.
    4th remove old relief valve and replace with a new one,i think they are rated at 15 psi or 30 psi blowoff pressure,hopefully there is a tag on it with that info.

    When you go to install your new one use some pipe thread compound or teflon tape around the threads before you reinstall valve.
    Once done slowly refill tank with water, check for leaks.When full open up hot water valve to house and relight buner.open a faucet in kitchen to hot to bleed off any air.

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    Hello, I need to replace a pressure valve on my on my water supply tank by my well. There is no high temperature in the system. Does this valve have one of those sticks that need space in the tank? ...


    Hello,This valve is pressure only.The model XL is pressure & tempature for a hot water storage/heater tank(has the stick).You need to know male or female thread and the relief # setting of the old one.The info is on the tag on the old one.

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    Should you have charge pump pressure when unit is engaged 25-2012model 12-xd-31981 ser. what should charge pump pressure be


    Anytime the pump is running, there should be charge pump pressure present. When the pump is in nuetral, the hot oil shuttle will usually block flow, so the the charge pump builds up pressure untill the charge pump relief opens up, the pressure setting this occurs at depends on the what the OEM wanted. When the pump strokes up, there is a pressure differential between the two work ports, which shifts the hot oil shuttle spool, allowing oil to flow across the hot oil shuttle relief valve which will have a lower setting than the charge pump relief. So in Nuetral you will generally have a higher charge pump pressure and when on stroke, you will see charge pump pressure drop 50 to 100 psi.
    Visit http://hansonhydraulics.blogspot.com any time for more information.

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    OIL PRESSURE RELIEF VALVE


    If cleaning the engine does not work, replace the oil press. sending unit. These senders on Jeeps have had a history of problems where they will work one day and not the next day.

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