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  1. HVAC
    After vacuum cleaning the blower wheel in-place, can you disinfect it by spraying a product such as vital oxide or Benefect on the wheel and letting it dry before starting up the system? Just concerned about any risk to the motor.
  2. HVAC
    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...
  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. HVAC
    I've been banging my head against a wall here for a few days, and I'm finally giving up and asking for help. My wife and I bought a fixer upper about two years ago that had been sitting empty. It had a 15 year old heat pump. Pretty much immediately I had to replace the capacitors and blower...
  5. HVAC
    Hello Everyone, I am new to the forum and was wondering if you can help me diagnose a blower fan problem. My blower fan doesn't get started on its own quite a lot of time and makes a humming noise. If I manually spin the fan blades before switching the fan on then it starts fine. What do you...
  6. HVAC
    Hi I have a Carrier Weathermaker 9200 Ultra High Efficiency furnace. I can't find the model number. The problem is that the blower sometimes occasionally doesn't come on and just makes a buzzing/humming noise. I've been researching this and have turned the furnace off and on and sometimes...
  7. HVAC
    I have a gas furnace with hydronic heating system using baseboard pipes on my first floor (Zone 1) and a heat exchanger in the attic (Zone 2) that is used for forced warm air throughout the entire home. Zone 1 works without issues. Zone 2 seems to be behaving strangely. Here is a typical...
  8. HVAC
    Hi, Other day I noticed AC was not blowing cool air anymore. I check on the breaker and everything was in place. Thermostat was calling for cool. I also jumped R and G, still blower fan will not come on. I did component self test by briefly shorting TEST to COM terminal, everything came...
  9. HVAC
    HI all, I hope someone can help with this, even just to confirm my current course of likely getting a professional in, after some attempts at dyi. I have a Ruud UGAC-09KC Model Furnace. It is likely about 10 plus years old, and came with the house I just bought. Here's what works: -The...
  10. HVAC
    I have a 6-7 year old Fedders gas furnace / AC model ABA 060 NH3R. Yesterday, what I suspect is the fan/blower stopped working. Trying to troubleshot the exact problem I found that the breaker to the unit had been tripped. When I switched the breaker back on it trip again intermittently, some...
  11. HVAC
    I have an outside Carrier A/C compressor. Inside I have a RUUD heater that has the blower for both the AC and heater. All is controlled by a RiteTemp programmable thermostat. The thermostat has a fan switch for On and Auto. I have it in auto all the time. Recently (in Aug 2011) the fan simply...
  12. HVAC
    My unit’s blower fan will not shut off automatically and runs non-stop. I believe I have isolated it to something on the Honeywell PCB (47-28827-03) but I don’t know which relay controls the fan. For starters I will explain exactly what I have done to this point and hope this helps someone...
  13. HVAC
    my blower in my Totaline programmable t-stat stays on. any quick ideas before i call in for major repair?thermos
  14. HVAC
    Greetings, My furnace does not start and the cold weather is coming in. When the thermostat is set for heat to come on, the furnace hums, but the blower does not start. The squirrel cage can be rotated easily by hand. Error code show one long, one short, pause, endless blinking about a...
  15. HVAC
    I have an old Carrier 58PAV furnace with blower fan not working. One start it shows code 12 after a while the vent fan comes on followed by burner running for about 3 minutes and kills the burner and shortly after that the vent fan stops as well. LED shows code 33 at this point. The blower fan...
  16. New Member Introductions
    HI ALL just joined this site, I am into woodworking and am now building a woodworking workshop. Info I need now would include how to wire a blower that I got out of an old mobile home. It is a Coleman 6806A590, it has 3 wires, a white, red and blue, on the unit it says the white is common...
  17. HVAC
    No warm air is getting to the registers in the house. We just had preventative mainitenance on the unit. The technician said the motor/capacitor had been drawing too much current so he replaced the capacitor. He then said the current draw was within tolerance. Skip ahead two days and now our...
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