New answers tagged heater
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Your control board's likely shot
On a newer furnace like yours, the fan limit/thermostat function is performed by the control board and its onboard fan relay. This means that a continuously running blower is generally the fault of the fan relay getting welded shut, or occasionally something else failing inside the control board's logic. Either way, ...
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With the water turned off to standing pilot gas water heaters, I suggest leaving the controller in pilot; that way it can not turn on the burner and damage the tank. This also keeps the pilot running and those pesky little spiders that love to build nests in the tubing away; then, when you return, just turn it to the proper temp: no hassle having to relight ...
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I have the same problem. What I noticed is that debris gets trapped in the heating grill and even with air and suction its too wedged to be removed.
What may help is to use a long bottle brush before air and vacuum.
The only issue you may have with washing the heater would be it rusting. Depending on the metal there is an reaction called "flash rusting&...
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The recommended way is better than using another way to clean this type of heater.
Or you can try both of them, suck it with vacuum first then blow the rest.
The soot part of black could be some part of your heater burned up, either the plastic part or just another dirt.
The other way to clean up is removing your heater completely and try to disassemble it ...
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I found the problem while getting the wiring diagram. I'm posting my answer in case someone else comes across a similar problem.
Why it didn't work right
The humidifier was wired into the EAC terminal. This terminal only becomes active over a certain RPM and so the humidifier was only coming on when activating the fan manually, or when the heat hits stage 2. ...
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I'm also not trying to blow up the apartment or gas myself, so I turned everything back to "off" until I know what's what.
The good news is, it's hard to cause any trouble with these because they're designed to be safe. Also, small amounts of unburnt gas will quickly mix into the air and be no longer concentrated enough to burn. I used to have ...
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Looks like:
System "on" at B.
1 to pilot, 2 should either press or turn (and will need to be held, if it's what I think it is) and 3 should be pressed in (and will make a "clunk" sort of noise) one to three times.
There should be some place you can see the pilot light - you might need to move a flap, you might not. When you see it light, ...
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