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  1. HVAC
    I am observing behavior I cannot explain. My Bryant single-stage 2-Ton heat pump (3 year old 214DNA024-A, operated with a Honeywell T6) works fine for heat/cool at any temperatures above about 23F. When outdoor temps go lower, it will kick on for 5-60 seconds at a time, then pause for about 3...
  2. HVAC
    I was asked to look at a friend's 2003 Heil. It's 100,000 BTUs in a 1400 SQ ft house. Heats fine until temp drops down below 10F. The sticker shows a tech installed a board timer a few years ago. The burners switch on and off every 30 seconds. Blower keeps blowing. Plate says the temp rise...
  3. General DIY Discussions
    I have a Trane 1400XL HVAC. It's a gas furnace that's installed outside the house and is controlled by a Honeywell T8602D thermostat. This last point is likely irrelevant as the behavior doesn't change when I remove the thermostat and connect the red and white wires using an alligator clip...
  4. New Member Introductions
    Came here looking for advice on a Trane XV90. Didn't find a direct answer but I think my problem is resolved now: one of the pressure switches failing, causing short cycle of heating operation interrupted every 5 minutes or so. The failure seems to be on account of condensation from the high...
  5. HVAC
    I have a Governaire standard efficiency furnace. The furnace has been cycling every three minutes or so. I noticed that the furnace runs fine with the burner access door off. If i slowly start to put it back on, I can feel a lot of suction and I can see the flame blow out. It seems like the...
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