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Hi I have a mistral reverse cycle a/c model MSS 15 the fan works but the air coming out is not refrigerated.

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Check if your a/c unit needs cleaning dirt's sometimes causes not to cool the air. But if your unit is clean then your compressor needs to be re-charged with freon.

Posted on Nov 12, 2010

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1 Answer

What type of gas is used in a mistral freezer?


Depending on the year that your Mistral was made it uses either R600a or R134a refrigerant. You can go to this site and give them your model and serial number and they should be able to tell you which refrigerant that you need.

Jan 07, 2015 | Heating & Cooling

1 Answer

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 | Heating & Cooling

1 Answer

Mistral Mss15 inside fan is working but external compressor is not coming on


does outside fan run? could be capacitor, compressor, or burnt wires. recommend have capacitor tested.

Feb 19, 2014 | Heating & Cooling

1 Answer

My mistral reverse cycle mss25ss model does not work at all in heat mode. what would be broken?


firstly is the air comming from the outdoor unit cold or warm? if it is cold then the 3way valve is working and it has changed to heating. If it stays warm then it is still in cooling mode. The indoor fan wont come on until the coil temp gets warm enough, ( so it doesnt blow cold air on you straight up). If it is changing into heat mode then the larger of the pipes connected to the outdoor unit should get warm/ hot. If this is not happening then the unit is either out of gas or the compressor is on hollidays and wont come back to work.

May 22, 2012 | Heating & Cooling

1 Answer

Mistral mss 1.0kw unit - When switched on the indoor unit & the outdoor compressor runs normally but the air coming out of the blower is not cool even after a long time. Is there a reset button to...


If the indoor unit blower is running and the outdoor unit fan is turning, you will need to make sure that the compressor itself is actually running and that it is not just the outdoor fan that is turning.
Get close and listen to the end of the unit were the compressor is located, also carefully feel the two copper lines, where they connect to the outdoor unit, they can be very hot - if working properly, so be careful.
There is no reset button that is easy to get to, the limits are usually auto resets, I would hazard a guess that the system is low on refrigerant and will require a HVAC tech.
But before that, make sure that the coils / fins on the outdoor unit are clean and not plugged with leaves, grass, cottonwood, ect.
You can turn power off to the unit and carefully wash the coil out with a garden hose, do not use a nozzle, as the higher water pressure can bent the fins.
As the water runs thru and drains off of the coil, watch and see if it is very dirty, rinse till the water is clean.
Restore power to the unit and try it, If it still does not work, the unit might be low on freon or the safeties might have been already damaged.
Once the unit is repaired, in the future make sure and keep the coil rinsed and free of any blockages.
Paul Gibson

Mar 30, 2010 | Sanyo 24KS32A Cool Mini Split Air...

1 Answer

Hi i have a hotpoint mistral plus fridge freezer, the freezer working fine however the fridge not getting cold, i have checked in back and the fan not working, have checked the fuse that is fine. 1) Does...


hi is this the frost free version ??? if it is which i think it is it could be a fault with temp module{frost free have electronic modules to control the system rather than a old fashioned bog standard thermostat inside the fridge} the fans should be controlled by the module in case of frost free models it could be the module which is playing up

Jul 23, 2009 | Refrigerators

1 Answer

HP TO HIGH IN REVERSE CYCLE


If the refrigerant charge was improperly adjusted at any time you may have the indications of an overcharge in your system causing the high pressure to trip out. The name plate on these indicates the proper charge and it is critical to the ounce.

May 27, 2008 | LG Heating & Cooling

1 Answer

I have a Hotpoint Mistral frost free fridge freezer model FF72P (according to the sales invoice). The freezer is working fine but the fridge is not cooling. The fan that circulates the air is working...


It is possibly the fan hitting any overformed ice.
defrosting by shutting it off overnight would be the best to do first.
Or at least shut it off for a few hours.

Mar 05, 2008 | Refrigerators

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