Search:

Type: Posts; User: killer v

Search: Search took 0.00 seconds.

  1. Replies
    5
    Views
    361

    There is a call for heat. It's not the standard...

    There is a call for heat. It's not the standard "slow" standy by flash either. It's a very rapid, constant flashing, with no attempt to light.

    It had apparently been trying to fire, but not...
  2. Replies
    5
    Views
    361

    Honeywell burner control module

    It's a rm7897a. The green (power) LED is flashing rapidly. No alarms. The flashing does not change speed at all (as to indicating a fault). Just constant, rapid flashing. It does not try to light.
    ...
  3. Replies
    2
    Views
    331

    I'm currently learning HVAC in a "modified"...

    I'm currently learning HVAC in a "modified" apprenticeship program.
  4. Replies
    2
    Views
    331

    Honeywell burner control flashing LED

    It's a rm7897a. The green LED is flashing rapidly. No alarms. The flashing does not change speed at all (as to indicating a fault). Just constant, rapid flashing. I see no reference to this in...
  5. Replies
    11
    Views
    504

    That's part of the question. I see only 1 wire...

    That's part of the question. I see only 1 wire going into the door. I have power, the door heater is functioning, but the window is iced over. It would appear that the window is tied to the door...
  6. Replies
    11
    Views
    504

    That's the plan. Just thought I'd try here to...

    That's the plan. Just thought I'd try here to see if anyone had experience with these things!

    Thanks again!
  7. Replies
    11
    Views
    504

    Thanks, but I was there already. There is a...

    Thanks, but I was there already.

    There is a video on how to replace the door heater, but nothing regarding the window heater. The manual gives no guidance either.
  8. Replies
    11
    Views
    504

    Kolpak Window Heater Replacement?

    I have been tasked with fixing a non-functioning heater in the window (viewport) of a Kolpak walk-in freezer door. I've replaced a door heater before (in a windowless door), but never the one in the...
  9. I'm getting 24v to the coil of the contactor...

    I'm getting 24v to the coil of the contactor immediately upon turning on the disconnect.
  10. Trane THC 033 compressor contactor will not de-energize/cycle with thermostat

    I am working on a Trane THC 033 (cooling only). Upon arrival, the coil was frozen solid, the IDM was not running, and the compressor was running.

    After some troubleshooting, the thermostat and...
  11. Replies
    3
    Views
    386

    Freeze Stats for pool AHUs?

    I have a building with two swimming pools in them and 6 air handlers. Each air handler has two freeze stats (Powers) on the hot water coil. These freeze stats fail from corrosion every 2-3 months...
  12. Trane Absorber Bromide Filter Change Procedure?

    I'm an apprentice and have been tasked recently with changing the lithium bromide filters on several Trane absorbtion chillers. I know very little about absorbers or how they work. I was just shown...
  13. Replies
    0
    Views
    510

    Liebert minimate resistor(?) question

    I have a Liebert Minimate ( MMD12E7P0000) with a split condenser. Where the condenser wiring is to be connected to the control board, there is what appears to be a resistor between ports 1 & 3 (on...
  14. Replies
    5
    Views
    1,022

    Absolutely nothing specific was mentioned in...

    Absolutely nothing specific was mentioned in regard to "pricing" (that was kind of the point).
  15. Replies
    5
    Views
    1,022

    She did have a service call. The technician said...

    She did have a service call. The technician said it was a $$$$ part (didn't specify which one) and tried to sell her a new $$$$$ furnace...
  16. Replies
    5
    Views
    1,022

    Lennox Whisper G20

    My sister is having trouble with her Lennox G20Q4/SE-125-1.

    The furnace will not fire when the stat is set to "auto."

    When the stat is set to "on," it will go through its heating cycle...
  17. Thread: Rheem manuals

    by killer v
    Replies
    6
    Views
    1,100

    Thanks guys!

    Thanks guys!
  18. Thread: Rheem manuals

    by killer v
    Replies
    6
    Views
    1,100

    Thanks! Looks like I managed to cross up the...

    Thanks! Looks like I managed to cross up the initial lettering in the model.

    However, it has hot surface ignition, not a standing pilot. It could have been modified I suppose?

    The plot...
  19. Thread: Rheem manuals

    by killer v
    Replies
    6
    Views
    1,100

    Rheem manuals

    I'm moving into a house with a Rheem RDGD-12EARJR. I can't find information about this furnace anywhere online. I've submitted a request through the Rheem website, but haven't heard anything back...
  20. The motor will surely be replaced, but I'd like...

    The motor will surely be replaced, but I'd like to know what might cause this for my own knowledge.

    Thanks for all the replies!
  21. Now I see what you were saying. The motor is...

    Now I see what you were saying. The motor is definitely running backwards though. The one time I was there, we isolated it and I gave it a spin in the correct direction. My partner pushed in the...
  22. Well, as I said, I'm a new apprentice...you lost...

    Well, as I said, I'm a new apprentice...you lost me at "giving the illusion of running backwards." It's definitely running backwards...sucking air instead of blowing.

    Are you trying to say that...
  23. Further info: motor is 460, single phase. ...

    Further info:

    motor is 460, single phase.

    The tech today tried reversing the start and run wires on the capacitor with no change in rotation. He once again moved the wires to another fan and...
  24. Single phase condenser motor running backwards

    Forgive my lack of detail as I'm not the one working on the system (and am a new apprentice)...

    The basic situation is that we have a single phase condenser fan rotating backwards. The fan blade...
Results 1 to 24 of 30
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event