Everytime we run our central heat/air it smokes and smells like burnt hair. We know we need to clean out dust but do we need to clean out vents too? We live in a brand new mobile home with air vents in the floor. We also cant figure out where to put the air filter. It's model number Intertherm E3EB-012H
If you can find the white cover to your main unit inside the house, probably next to or in the utility room/area... remove the tall metal cover and the air filter should be right in front of you. If however you see something directly in your field of vision with plenty of copper tubes on the front, then this is the area that the air-filter needs to be placed. Its dimentions are 20x25x1. Mind you I have just noticed the date of the original post so this reply is most likely a little out of date.
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Re: problem running heater
Its not good that you dont know where the air filter is. Odds are there may not even be one in place. In Most mobile homes they dont pay much mind to proper filtration. The heat strips are covered with dust. If the heat Strips are that bad then usually the whole unit is clogged. Is there a unit inside the mobile home?? Or is the unit outside quite large and have ducts running to it??
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Usually if it's new, there will be some burn off. Make sure propane detector and smoke alarm, as well as carbon monoxide detector, if you have one, are working. Smell and any smoke should burn off after running a while, if not have it checked to be sure. I'd recommend running it with windows open and roof vents open and any exhaust fans at stove, and roof vents turned on for a while, then shut it off, let trailer air out good, then close windows etc, and see if it's better.
It is not normal to have a loud buzz associated with the electric heat. Try turning the heat off and running the fan only to see if the buzz continues. The buzz could be coming from any number of sources including an electrical component, the blower wheel, a loose fastener...etc.
The temporary smoke and smell could have been the dust burning off the element if the elements have not been used in a long time. However, if the elements have been running, it could be something got loose in your system and stuck between the blower and the heating elements.....for example, the wiring diagram could have come loose and worked it's way through the wheel. I've also seen owner's manuals left in the air handler that eventually got stuck in the blower. This should be inspected to ensure there is not a fire hazard.
Hi, Anytime you turn a unit on like this and it smells and smokes, something is wrong. Did it smell as though it was electrical burning? Usually the blower motor is the first motor to go as they collect all of the return air and dust from the air and clog up the windings. They get hot and start to smoke, and you will know due to the smell of electrical wiring. I would turn it back on and see if it starts up and runs. If the motor hesitates in anyway, turn it off, or unplug it.If it is wired directly into a box, find out where the breaker is. If you are in fear of it catching on fire, call a air conditioning company out. I have seen them smoke like crazy but never had one catch on fire, never. I would turn it on, it will trip the breaker if the motor fails. Just watch it closely. If you can pull the front cover off and then turn it on, you may be able to see where the smoking is coming from, a motor ect. Sincerely, Shastalaker7
This is caused by in most cases dry tree leaf getting particles into the heating duct through the air intake at the base of the windshield, this material contacts the red hot blower motor speed control resistor and burns, and yes it smells like burnt toast, in order to clean this stuff out u need to remove the blower motor, the material will be in the duct near it. I have seen this cause a fire, so get it checked and cleaned ASAP.
Black smoke should not be coming from your air filter. If however, the smoke is coming from your exhaust this could be the result of dirt clogging your air filter and starving the engine of air, hence causing the motor to run on a rich fuel/air mix. If this is the case clean or replace the air filter element, and keep it clean. Another reason for black smoke blowing out is dirty oil in the crank case, if the oil is very dark brown to black in color or smells burnt then it needs replacing.
It sounds like the blower motor has burnt up.(the one inside) The unit running for a few minutes then shutting off, is due to the high pressure/temperature safeties. When you removed the panels, did you notice any fan running?
if i understand your problem description correctly when power is on but the furnace is not running you can smell burning dust and feel heat? first thing i can think of is possible a heater relay has gone bad keeping the heater on all the time but no fan...
THE BURNING SMELL IS NORMAL. BEFORE HEATING SEASON OPEN ALL DOORS AND TURN THE HEAT UP AND LET RUN TILL ALL DUST IS BURNT OFF.
IF BLOWER IS NOT COMMING ON NOW. THERE ARE 2 TIME DELAY RELAYS, AND ANOTHER RELAY FOR "FAN ONLY OPERATION". ALWAYS MAKE SURE THEY ARE NOT THE PROBLEM BEFORE REPLACING AN EXPENSIVE MOTOR.