Question about Maytag Heating & Cooling
I have a m3x05f2f-b model and it's not blowing cold air. I think I should add Freon. How do I do that? Thank you!
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Posted on Jan 02, 2017
SOURCE: Recharge My AC Unit
The system needs to be accessed through what is call a tap valve. After a tap valve is in place a high vacuum should be pulled on the system down to 500 microns to remove air and non condensible gases along with any moisture from the system. Then the charge should be weight into the system according to the name plate with the proper type of refrigerant, generally Refrigerant 22. An alternate method is to charge the system by superheat of the gas returning to the compressor. Ambient temperature determines how high or low the superheat should be.
Posted on Jun 20, 2008
SOURCE: air conditioner needs freon
If the system runs you will first need to add freon to the system (make sure it the right freon) Just enough to find leak. After you find leak and repair evacuate the entire system and weigh in charge. Hope this helps.
Posted on Feb 12, 2009
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
SOURCE: not blowing cold air
Your in house core could have frozen over. check the core inside the indoor blower unit. it may have frozen over. this will interrupt the cold air function.
Posted on May 28, 2009
Hello I'm a M.B. tech. 1st you need to know why the freon is low. Hopefully it just needs to be serviced. There is a component located in the lf of the engine compartment called a receiver drier. It soaks up the moisture in the freon so the gases can work the way they are supposed to. On this unit there should be 2 switches(I believe they were combined into one switch in 98. 1 switch is a temp switch that operates your electric fans, the other is a compressor cutoff switch. Assuming the compressor is not coming on-take a fused wire and bridge the 2 contacts- If the compressor does not come on at all there is another problem(it is not low on freon. On the condenser there is a high side port(it is the bigger of the 2)By the brake master Cyl.(lf of the engine compartment thereshould be a smaller low side valve in line with the fuel cooler hose. Usually you can hook up a machine to the low port and **** freon in through that port. Assuming you do not have a refrigerant machine. It is very self explanatory on the bottle of r 134a refrigerant which can be purchased at your local auto supply store. I would start with 1 lbs. and add dye with the freon in case there is a big leak. If the system is overcharged it will not cool properly. I believe the system capacity is approx. 2 lbs. Add a few ounces after the first pound until a/c system is cooling properly and the electric fans are also coming on when the system gets to high. If you get a can with a good Gage set on it you should see the high side between 150 and 2000 psi(fan coming on at max. press.) also the low side should read about 35. It is about the temp of the evaporator which is i=located in the dash and the blower blows through this component out through the vents. Hopefully I have been helpful.
Posted on May 28, 2009
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