Question about Ingersoll Rand SS5L5 Ir Electric Stationary Air Compressor 5HP. 60 Gallon Single Stage Vertical

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IR SS5L5 Won't reach shut off pressure

I drained the air pressure from my compressor down to around 10psi to drain the condensate. Once I turned the compressor back on it would not get to the shut off pressure of 135psi.

I checked the intake and am feeling suction and I took the line off of the output to tank and feel air blowing out from output of motor. So I know basic operation of the motor is intact.

Because I don't pay alot of attention while the motor is running before, I now hear a hissing sound from the pressure switch (this may always have been the case previously) which I think comes from the unloader valve. Is this supose to be hissing while the motor is running or only after it shuts off to relieve the pressure in the line from the motor to tank?

Both relief valves seem to be functioning. The check valve seems to be working because whatever pressure is in the tank, it stays at this pressure.

What are my next steps? I priced a new pressure switch and it is quite expensive so I want to make sure I know that is the culprit before buying.

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It sounds as though your unloader valve is stuck or broken. I would try and repair it but otherwise you will have to bite the bullet and get a new switch assembly I think. As you have just been working on the tank it might just be a bit of debris dislodged and stuck in the unloader valve. The unloader should only hiss just after switch off weather by automatic shut off or by manual shut down.

Posted on Jun 06, 2010

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Were do i get the manuel for model number ph3 12r03 is the model number were or how do I drain the water and can you send me a manual


Here is the link to the manual:

http://s3.amazonaws.com/szmanuals/b0348062b23e23cd40550b61e1dc5f43


Here are those particular instructions:


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The " " icon will light up on the control panel display when the compressor turns on. The " " icon will turn off when the compressor shuts off.

Emergency Condensate Holding Tank


When the room temperature is low and the indoor humidity is high, the air conditioner may not be able to evaporate some of the moisture fast enough. When this happens, the water will accumulate in an emergency condensate tank inside the unit. Once the emergency condensate tank is full, the unit will automatically shut off and the " " will appear on the control panel display. To empty the condensate tank, unscrew the screw plug at the bottom back of the unit. You will need a small pan, approximately 1" high to catch the water coming out of the condensate tank. Once the condensate tank is drained, the unit will begin working within a few minutes. The emergency condensate tank holds approximate
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Another option is to purchase a small hose from a hardware store that can fit around the 5/8" drain plug on the back of the unit and drain the unit into a gravity drain or larger pan for continuous drainage.

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2. Place the drain pan accessory under the drainage port at the back of the unit.

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1 Answer

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Josh:
Your compressor shouldn't run more than ten to fifteen minutes before shutting off. The pressure should be posted on the machine somewhere ( a decal usually says xxxpsi). You evidently have an air leak somewhere. On the bottom of the air tank there is a valve for draining the tank of air and any moisture. Make sure to close that valve by hand only (Screw it in all the way by hand and remember, you are working upside down, so don't get confused as to which way to turn it). If the valve will not unscrew to drain the tank, you can use a pliers to loosen the valve to let the air out, but be sure you are turning it in the correct direction or you'll break the drain valve!! Now that you have the drain valve closed, turn the compressor on and watch the pressure gauge. When the pressure gauge reads the pressure on the decal, the machine should turn off. If the pressure gauge stops climbing before it reaches the specified pressure, you have an air leak somewhere. You can either feel for the leak at the air line connectors by hand or mix a dish soap and water solution the pour on the air line connectors to look for the leak. Keep the soap solution away from the motor!! When you find the leak, drain the tank using the drain valve at the bottom of the tank, disconnect the hose coupling that is leaking and wrap Teflon tape around the threaded portion of the male end of the fitting (3 wraps should do it) and reconnect the coupling ( tighten it well). Close the drain valve and start the compressor again. and check all fittings for leaks again.

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Please rate

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