Question about Amana PTH123B25AJ Heat Pump Air Conditioner

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Heat pump Unsure how to change from cold air to heat. It is a Kelvinator brand.

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Click the switch on the thermostat.

Posted on Feb 21, 2008

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Posted on Jan 02, 2017

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I have just reeived a Kelvinator dishwasher KD12WW. I have only a cold water outlet can I still wash with it


I found a site that is important for you to down load the site is ns323666.ip-37-187-156.eu
It is a pdf version of the instruction manual for the dishwasher
I notice that one of the instructions is quote" when using your dishwasher , you should prevent plastic items from contacting the heating element" un quote
most all dishwashers heat their own water above what human hands can stand so from that statement you can use cold water inlet only and the machine will heat it to operating temperature
I got that site by going google and typing in --kelvinator kd12ww dishwasher
then I selected site manual-kelvinator kd12ww dishwasher clicked on that and that address came up with the pdf manual
there are other sites that have parts manuals and heaps of other information
call your local kelvinator service agent and ask them about a heating element

Sep 30, 2016 | Kelvinator Dishwashers

Tip

How Heat Pumps Work


How on earth can you get hot air or hot water from very cold outside air? How does a heat pump make this heat out of cold air?
When certain gases change their state from a liquid to a gas or from a gas to a liquid the magic happens.

A heat pump can do some pretty amazing things, when it comes to making heat. To understand the way they work, you must first understand what happens when certain gases change from a liquid state to a gas and back to a liquid again. To simplify it a bit we need to look at a basic air conditioning system. The refrigerant in an air conditioning system is changing to a liquid in the outdoor condenser. The compressor compresses the gas forming a hot gas. As this gas cools under high pressure it changes into a liquid form.

Inside the indoor coil the liquid is pushed through a small hole or orifice. When it comes out the other side it rapidly changes it’s state to a gas as the pressure suddenly drops. The rapid pressure drop changes the refrigerant to a very cold gas. Air flowing over the cold gas inside the pipes makes the air cool and provides air conditioning.


Now for a heat pump the process is much the same, only coils are just switched by used a reversing valve in the outdoor condenser unit. Instead of the heat being purged to the outside from the condenser unit, the indoor unit then becomes the condenser coil. The outdoor coil becomes the cold coil and cools the outside. This is why if it is very cold outside the unit will have to run in air conditioning mode for a short time to defrost the outside cold coil. When this happens the system will usually have electric heat inside to run and keep the indoor air warm.

The reality is that a heat pump is really no more than an air conditioner running in reverse. Through the magic of using refrigerants, a heat pump can then run many times more efficiently than straight electric heat. A careful heat loss/gain should always be performed by a qualified service person before any sizing of a unit. Too large or too small of a heat pump system can make it inefficient and possibly cause it to be very uncomfortable. The longevity of the unit can also be affected by sizing and installation. Be patient and look carefully for the best contractor to install your system.

A properly designed and installed heat pump system can give you many years of comfort and efficiency. If you look for and find the contractor that can do the job right you will get many trouble free comfortable years from your heat pump unit.

on Dec 29, 2009 | Heating & Cooling

2 Answers

I have a Kelvinator Reverse Cycle air conditioner - Model # KSR25F-01. When I use the heating operation the "Defrost Mode" has come on and is stopping the air conditioner from working. The unit...


The Kelvinator technician came out and found that our gas was very low indicating that there was a leak somewhere - the gas should never deplete apparently (being a closed system). He checked inside and outside and couldn't find a leak so assumed it must have been an issue with the piping in the walls. He recommended not spending the money to get it repaired - he recommended it be replaced (not a cheap option but it was 11 years old and repairing wasn't likely to be cheap or a long term solution). So not sure if that is your problem but hope it helps!

Jun 13, 2011 | Heating & Cooling

1 Answer

Heat not rising above 62


It sounds like you have a 'heat pump'?-- and you are trying to heat in these cold snaps-- when the outside temperature is down near freezing?
If so-- Heat pumps do not work well that cold!-- so if your system was marginal at heating, when the outside air is 40 or 50 degrees F-- you quickly run out of 'heat' in the cold outside air, to move the refrigerant in the heat pump with any heat wrung out of the COLD-- to bring heat into your house!
Make sense?

Please tell us more-- like how your heat pump worked last year, etc.

Mack B

Jan 08, 2011 | Heating & Cooling

1 Answer

Is it normal operation for these units to EVER blow out cold air or "nonheated" air when unit is in heat mode?


Yes. Heat pumps have to go into defrost just like a freezer when the temp gets too cold outside. The heat pump will temper the indoor air electric heat.

Apr 12, 2010 | Amana PTH123B25AJ Heat Pump Air...

2 Answers

MY HEATER BLOWS HOT AIR THEN BLOWS COLD THEN HOT THEN COLD,ICHANGED THE MOTHER BOARD, RELAY SWITCH, AND THERMOSTAT, IT IS RUN FROM A HEAT PUMP WITCH I HAD CHECKED AND IT WORKS FINE


I have a lux electric thermostat my furnace will blow out heat for about one hour to maybe three then it will start blowing cooler air,I then cut it off for thirty seconds or longer once I do that it will start blowing out heat again then it will repeat it self again what could be the problem.

Jan 07, 2010 | Heating & Cooling

1 Answer

Heat pump and gas furnace running at the same time.


An explanation....

When in the heating mode, all heat pumps are dependent upon the outdoor conditions to remove heat energy from the environment and turn it into useful heat for your dwelling.

Heat pumps operate more effectively in temperate climates (as in southern states) and if it's as cold as you say, then the furnace is coming on to add auxiliary heat to the space to make up for the lack of heat being supplied by the heat pump. This is normal.

Some heat pump systems are or can be equipped with a control known as a "low ambient cut out" and/or "motor master" that prevents the heat pump compressor from operating and slows or stops the condensing unit fan when it's too cold and risking potential compressor damage. When it's in the single digits outside, a heat pump is only marginally effective. and usually requires auxiliary heat (your furnace).

If the furnace keeps operating when it's in the 30s or 40s, you may want to have the system examined by a competent service technician. As always, the outdoor condensing unit should be kept clean and the furnace filter should be changed no less than monthly, unless you have an electronic air filter.

Jan 07, 2010 | Heating & Cooling

1 Answer

Heat pump problems


OPEN UNIT CHECK, SOLENOID COIL THATS CONNECTED ON THE REFRIGERANT LINE, CHECK FOR. PWR, CHECK FOR OPEN COIL, IF OK THEN PWR BOAR OR CONSOLE BOARD IS BAD

Sep 12, 2009 | Amana PTH123B25AJ Heat Pump Air...

1 Answer

Ruud heating/ac unit blowing only cold air in heating mode


Do you have gas or electric heat. If you have gas then you do not have a heat pump. You should in most cases have a red,yellow, white, and green wires coming to the thermostat. R should go to rc/rh G should go to green Y should go to Y and w should go to W. Also the switches on back should be switched to non heat pump and gas rather than electric. Hope this helps.

Feb 15, 2009 | Ruud UBHC Air Conditioner

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