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I have a Toshiba Heat pump. 220-240V 50HZ 40 watts. I have lost the manual and do not know how to get it to give me hot air. I put the temp at 22deg but seem to just get cold air blowing in on me all the time. Surely when it is 5deg outside I should be able to get hot air coming form the stupid machine. However said heat pumps were good obviously hasn't got one of these!!!

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It's in the wrong mode

Posted on Jul 15, 2008

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My Mistral MSS25 has stopped blowing hot air, it's only 6 degrees and it's friday afternoon before a long weekend! Is there anything I can do to fix it before someone can come out here next week to lo


No heat pump will put out much, if any at 6 degrees.
A heat pump is an air conditioner that reverses cycle via a reversing valve that re directs the refrigerant flow in the unit, in ac mode,
heat from indoors is rejected outdoors in the heat mode the heat from outdoors is rejected indoors.
The system does this by evaporating and condensing refrigerant.
For the refrigerant to be "boiled" or "change state" from a liquid to a vapor a temperature differential must exist, meaning the heat from the outdoor air must "boil" the liquid refrigerant.
For this to be possible the liquid refrigerant must be colder than the 6 degrees ambient or it will not boil anything.
For a refrigerant used for AC to be that cold the pressure will be in a vacuum for most refrigerants temperature pressure relationship.
Heat pumps below 40 degrees ambient outdoor temperature are
not effective, at this temperature outside drops a degree lower it further degrades the heat output .Power companies that finance Heat pumps typically will install an outdoor thermostat to prohibit the 2nd stage or electric heat strips from coming on until it is 40 or below outdoors, at a certain point well before 6 degrees a heat pump should be ran on the emergency heat mode which is the heat strips and the fan. Since 1500 Watt electric heaters are available at Wal-Mart for $20 the best alternative in this situation would be to buy a few of them.

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Jun 06, 2014 | Air Conditioners

1 Answer

No heat blowing cool air


if your talking heat pump yes. heat pumps only work down to about 40 degrees ambient. you getdown to 19 it needs heat strips or auxilarry heat of some source.

Jan 24, 2014 | Ruud Air Conditioners

1 Answer

Amana PTH153B50AM AC & Heat pump. fan works AC & heat don't. I was told by the guys who installed it to unplug it to reset the termostat but that don't work either. I turn it on cool &...


Jane, what you really need is the Owners Manual for you discontinued model AC/Heat Pump.
Call Amana Customer Support 1-800-843-0304 and they can furnish you one. Either by email attachment or by snail mail.

Hope this helps you. Please let me know.

Jun 20, 2011 | Amana PTH153B50AM Air Conditioner

1 Answer

I have a Lennex heat pump unit which was installed in 2008. Our area (Savannah, GA) has experienced some abnormal cold temps lately. Yesterday, I noticed the outside of the unit had frost on the unit. ...


Heat pumps are the same as an A/C unit only it works in reverse. Instead of blowing cold air inside and hot air outside it blows hot air inside and cold air outside. The heat being blown inside is extracted form the cold air outside. Its called Latent heat Latin for hidden. Believe it or not even though its 20 degrees outside there is still heat in the air. Example if you want to drop the temperature of a freezer from 20 to 10 degrees you have to remove heat .I know your getting unusal weather and that is the problem. Heat pumps can only work no lower then around 20 degrees outside.Heat pumps are never used above the freeze line. With your unusal temperatures thats basically where you are now. Ride it out. When your temps rise a little your be fine. Im in Chicago.

Jan 15, 2011 | Air Conditioners

1 Answer

We have an air make up unit on our community hall with no heat


Depending on the outdoor temps, 10 kw won't heat much. If you have a multi-meter you can check the amp draw as well. You should get 20 amps for each heat strip. Each heat strip is 5kw.

Mar 23, 2010 | GE Built-In Room Air Heat Cool Air...

1 Answer

I just get warm air instead of hot air i have heat pump system


I'm going to assume that you know that heat pumps do not put out very warm air just lots of it. If you know the difference then I would say that your auxillary heat system has a problem. You could have electric or gas. You did not mention this piece of information. Give me more detail about the problem and I may be able to help you.

hardrocko

Feb 09, 2010 | Whirlwind FH-778 Air Conditioner

1 Answer

Till what outside temp is the 8Kw heating output


Are you referring a to an electric furnace providing the heat, the heat pump providing the heat, a heat pump providing heat usually with an auxillary/emergency electric heating unit, or an air conditioner with an electric furnace attached? If your system normally uses a heat pump for the heat normally, there is an eletric auxilliary heater. You'll probably need to turn it on at the thermostat manually when the outside temp gets below 40 degrees. If you have it nice system, it might do it automatically. If you're referring to the electric heater being rated 8 kw, it'll run using 8kw when you turn it on. It doesn't have the ability to change what heat rating it is. If you're refurring to the heat pump system being rated 8kw, you're probably mistaken. A heat pump might possibly consume 8kw to run the system but that can't be a measure of the system's capacity. Heat pump measurement units are rated in tons, but the system will always run at the same ton capacity whenever it's on, provided it doesn't need any maintenance. Some commercial air conditioning and heating systems have to ability to modify their power output based on the outside temperature, but I doubt you're dealing with that kind of thing.

Sep 17, 2009 | Air Conditioners

1 Answer

Heater blows cold air when it is 30 degrees out side


heat pumps don't work as effient at that temp thats why they have 2nd stage supplemtial heat

Jan 09, 2009 | Air Conditioners

2 Answers

Cold air out of register for about 3 min. until starting to warm


heat pumps generate heat from compressing freon and take a while to generate enough heat to be useful. never expect robust heat from a pump like an oil burner or a gas furnace, but they do heat great and are cheaper to operate. do this . if you are still using an old mercury bulb stat change it to a digital one. this will hold an exact temperature and time off between cycles will be less and the indoor coil will stay warm between short cycles, with an old mercurry stat you set it at 70 and it may run up to 73 and stay off till 68. thats a long off cycle and when call resumes the coil has gotten cold and has to start all over again. also dont wait till it gets cold to run a heat pump. turning it on and off as it gets cold is not correct. you should select a temp ,usually 71 for heat and set it and leave it on to do its thing.you may want to check the charge. hot gas discharge is usually 100 degreees hotter than outdoor temps after 15 minutes run time. for example if its 40 outside the big freon line outside thats insulated should be about 140 degrees. or you can run it 15 minutes and grab it with your hand . it should be almost uncomfortable to hold any length of time. careful some get quite hot. you also have the option of hooking up the electric strip to automatically come on if you push the stat up 2 degrees hotter than the temp in the room. that way you get heat pump and strips till temp gets within 2 degrees of set point and the strips shut off and pump maintains.good luck

Nov 01, 2008 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Lost Manual


it is probably on airconditioning (cooling), if you have Toshiba remote it should be a picture of a sun meaning "Heat", never go for "Automatic" wich cools and heats succsessivly to maintain ONE temperature, go for "Heat" when its cold!

Jul 05, 2008 | Air Conditioners

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