Question about Coleman Mach 15 Air Conditioner

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Red wire that is striped is hanging loose after removing filter

Also unit freeze up like low on freon. I don't know if this red wire is theromstat wire or were it terminates.

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Red wire common (hot) control voltage will control furnace and condensing unit red wire may be nothing if unit is running typical hook up red hot common green is fan yellow is cooling white is heat blue is usually neutral to transformer and to wire going to condensing unit red and white the freeze could be dirty coil, filter or both and possibly under charged.

Posted on Jun 16, 2009

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Posted on Jan 02, 2017

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1 Answer

What wires coming from the theromstat conect to which wires coming out of the wall


suggest this: hire a technician to fix it for you. you would need the wiring diagram for the thermostat and to find which wires go where in the wall.

this is a task that is normally beyond the ability of an owner. It requires some technical knowledge of thermostat wiring, as well as using a voltmeter.

you might post an ad to locate another owner of your model RV, then ask them to pull the thermostat off the wall and take some pictures to send to you - showing the wiring connected.

regards,

Oct 27, 2016 | RVs

1 Answer

Unit is Freezing over the filter in the back, till it block airflow totally?


then if that is true.
it needs just a tad more shot of freon
its running out freon an running too cold it should run below freezing.
else the pumps had it.
if its a truly closed system it cant leak or contaminate
but the oil can burn up.

Jan 12, 2015 | Filter Heating & Cooling

1 Answer

DEHUMIDIFER COILS FREEZE OVER, WHETHER MACHINE IS RUNNIG ON LOW OR HIGH. FILTERS ARE ALL CLEAN.


Turn the Master ON/OFF Switch to OFF, unplug the unit and allow it to thaw out completely. You may want to put some old towels under it, to absorb the dripping water. Once it has completely thawed, remove the bucket, the air intake filter and the face of the cabinet. You should now have access to the coils. Clean them with a mild soap and warm water. Rinse and thoroughly dry the coils. Once they are totally dry, spray a very light film of WD40 on the coils and then wipe off any over spray. Reinstall all the remove parts and test the unit.

Keep in mind, if you are using the dehumidifier in a basement, the air temperature at floor level is colder than at chest level. Dehumidifiers don't work well between 40 & 60 degrees F. (Unless, they are a low temp unit). Any lower, the coils will freeze. Raise the unit up off the floor onto a sturdy table or counter top, that can hold the weight of the unit plus, a full tank of water. In a basement application, doing usually solves the problem of freezing coils.

If after doing all the above, the coils still freeze during operation, the compressor may below on freon and needs to be recharged. Or the defrost sensor on the unit, needs to be replaced.

Hope this helped you troubleshoot and solve the problem. Please let me know. Thanks.

Jun 08, 2011 | LG Dehumidifiers

1 Answer

Freezing of low pressure pipe 24 BTU


A line or coil freezing is a sign of restricted air flow or low on freon. Make sure the fan that circulates the cold air is working and the filter and coil at the filter are clean. A dirty coil can be cleaned with coil cleaner and a water hose. You will need to remove the unit and take it outside. (window units only) You can buy a bottle of coil cleaner at any hardware store. Follow the instructions on the bottle but basically you spray the coil until soaked wait 5 minutes and flush it clean with water from a hose. Repeat if necessary. Try not to get water and cleaner on the controls. Be careful water will be trapped in the unit you may want to tip it toword the back for 10 minutes or so and if possible let it set outside to dry. Reinstall the unit and put a clean filter on it and give it a try. If ice forms again it is low on freon and will require a repairman to fix it. Freon is a restricted item and you have to have a license to buy it. good luck..

Aug 20, 2010 | Daewoo Heating & Cooling

1 Answer

The air unit is frezzing up and the air is never under 70 degress in the house! whats making it keep frezzing up?


Hi, when the unit freezes up, it is either low on freon, a plugged a/c filter, or the evaporator coil is dirty and will need to be cleaned. When the evap. coil freezes up, the blower motor can't blow air through the coil. Check the filter, and behind the filter to see if the coil is dirty, just remove the screws to excess the evap. coil on this unit. Make sure the blower motor is running up to speed also. You will know. If the coil is dirty, try and clean it the best you can and replace the filter. If it continues to ice, you will need to have the freon level checked> These are the # 1 causes of coils icing up. Please let me know how it turns out.
Sincerely,
Shastalaker7
A/C, Heating, & Refrigeration, Contractor

Aug 17, 2010 | Intertherm P3RA-048K Air Conditioner

1 Answer

Freezing up, home ac unit no air flow after running a while


A low freon level in the unit can cause them to freeze up. Are the fins behind the filter clean?

Jun 19, 2009 | Whirlwind FH-778 Air Conditioner

2 Answers

Not putting out cold air


In car airconditioning system there is a filter with glass window where you can see if the gas is bubbling if so then your system have no sufficient freon gas.

Jun 01, 2009 | Coleman Mach 15 Air Conditioner

1 Answer

Low voltage to fuel pump


bad or loose ground check accordingly

Nov 14, 2008 | 1995 Toyota Camry

1 Answer

Dometic Quick Cool RV unit


Time to be serviced,could be a small leak and loosing freon, or low air flow due to dirty filter.,

Sep 06, 2008 | Dometic Rooftop RV Air Conditioner

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