Question about Carrier XHB123D X/Y Series Heat/Cool Air Conditioner
The heater works just fine, heats well. CO detectors (nightHawk Digital) all read 0ppm. Noticed a pungent odor outside when heat is on and there is a brown coating on aluminum exhaust vent tube. This tells me the gas may not be burning completely and perhaps increasing my heating bills. I want to open the unit to check for air inlet restrictions & clean whatever may be dirty & interfering with the air/gas mixture.
The gas pack is beside the house and easy to access, top comes off easily.
Looking for pointers on what to expect & procedures for this service.?
Time for a good cleaning. Make sure the heat exchanger is in good shape and is getting good heat flow over it to the exhaust. The odor may be an indication of a restriction in the heat exchanger, the flames are hitting something, improper air or gas adjustment or a blower not coming up to correct speed. You can access the heating unit from a side panel. Look for the exhaust port and start with that panel. Wasps nests are predominant in these things.
Posted on Dec 19, 2008
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Posted on Jan 02, 2017
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