Question about Sanyo STW1223H2 12000 BTU PTAC AC - Heat Pump With Backup of Electric Heat Air Conditioner

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Sanyo STW1223H1 The unit no longer blows cold air, it does not appear that the compressor is kicking on. Repair man could not find a connection to check or add freon. Can this unit be re-charged or is there something else wrong with the unit? Thanks Rick

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  • Anonymous Apr 21, 2009

    i have sanyo ptac unit on my room , i nneed thermostat swith, model nos is STW-122341


6 Suggested Answers

  • 38 Answers

SOURCE: AC is not blowing cold air. How do I add freon?

What you will be looking for (in your engine compartment) looks almost like a large valve stem that you would see on a tire. It will probably have some kind of plastic cap on it.

It shouldn't be that difficult to find. You may want to search for an engine compartment diagram for your make/model/year vehicle.

Posted on Mar 19, 2009

  • 8 Answers

SOURCE: compressor not turning on

is the compressor actually turning over ?? if not check the contactor, or capacitor is actually ok...

if it does turn over, are the stop valves open ??

Posted on Jun 16, 2009

  • 1114 Answers

SOURCE: trying to add freon to my 99 gmc sierra, as i add

The compressor cutting and out is a good sign that the system is trying to work. Usually when the compressor cuts in and out after a few seconds, it means that the system is not fully charged and more refrigerant is needed. It's a good idea to purchase a gauge that measures the amount of charge in the system. The gauge looks like an air gauge, and they are not very expensive. That way you will know how much more of a charge the system needs. The gauge hooks up to the low pressure valve, just as the charge hose does.

Posted on Jul 02, 2009

  • 158 Answers

SOURCE: the unit only blows warm air. it just stopped

The compressor is not starting either because:
1. The compressor has gone bad
2. The system is low or out of refridgerant. There may be a slow leak, when there is no refridgerant in the system the compressor will not start.

Re-charge the system with appropriate refridgerant, if the system has a charge already or holds a charge when you charge it then the compressor should start.
If not the compressor could be bad, sometimes you can get a hard start kit instead of replacing compressor. If the system does not hold a charge then you have to find and repair the leak before anything else...

Good luck. Please give good rating, it meens a lot to me....Feel free to contact me again...

Posted on Aug 01, 2009

  • 2 Answers

SOURCE: Car AC stopped blowing cold, compressor turns on, Freon at 45

check the thermo control amp, it is a sensor that keeps the evaporator from freezing. I had that problem on my 2000, it's a common nissan problem, google nissan ac problems.

Posted on Sep 22, 2009

  • 674 Answers

SOURCE: AC Wont blow cold air

I don't know how the rules are in Japan but in the USA you have to have an CFC certification from the EPA to buy refrigerant unless it's the little cans to recharge your car a/c. There are other reasons for the air to be warm also. Like the compressor not running.

Posted on May 07, 2010

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