Top 20 Amana PTH123B25AJ Heat Pump Air Conditioner Questions & Answers

These unit need to tilt backwards so water can drain

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That's correct. If the piston opening is too large it will allow more frozen through than designed and flood the evaporator coil.

subcooling is only a factor in the cooling mode. you convert the discharge psi to temperture and measure liquid line tempsrture. subtract difference it should be between 8 to 12 degrees.

no its related to the outside condenser

Outside temp too low, so outside thermostat and it's settings will not allow the heat pump to work. But insist on the ausilary heat to work instead. Heat pumps usually do not produce enough heat when below 40F outside temp. If you have Gas heat, it may be more economical than the heat pump below 40F. If electric auxilarry heat, it may compete at 32F. Talk to your dealer, installer, or manufacture.

br means brown out protection engaged. Power was lost or voltage is to low, check for incoming power at correct voltage

could be a relay or a board isue

A bit more info would help - like "nothing as in switched off" or "nothing as in motors all running but nothing gets hot". If you mean that it all sounds and looks as though it is working but there is no heat, then it is possible your changeover valve is jammed. There is usually a four way valve which effectively decides which way your a/c is going to be pumping. Other reasons are that on this model, it checks to make sure there is at least a 5C difference before it will try and work. For more help, please be a bit more descriptive as to what it IS doing as well as what it is not - eg: fans / compressor on? strange noises, hissing / error messages and also indoor / outdoor temps

Bad capacitor

could be a bad run capacitor or the unit needs to be cleaned take it outside and wash the condenser coil the outside coil and the evap coil on the inside be careful not to get the electric circuits inside the unit wet. I would wash the coils first and then see if it cools. Hope this helps

Something sounds funny here. Sounds like the compressor is bypassing and going out on its internal overload. Has the high pressure switch been bypassed? Is the evaporator coil in the house blocked with dirt? You might want to check the filter. During the summer did you have the a/c serviced and gas added? It might be overcharged. Make sure your registers are all open. Check valves or reversing valve replacement would be at the bottom of the possibility list but in the end you may have to get a hands on guy to find the problem. Hope this helped good luck.

Sounds like you need a new control board.

seems like 1995 3.5 ton unit

Clean the condenser & check the Freon levels

either fan wheel loose on shaft or bad bearings in motor

bad switch or motor.

use distilled water. clean system with bleach and water

you would have to install line tap valves.

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