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  1. Replies
    18
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    1,712

    it is a backward incline

    it is a backward incline
  2. Replies
    19
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    2,009

    Deminimus release

    Deminimus release
  3. Replies
    6
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    736

    Fan proving switch possibly, cold supply air...

    Fan proving switch possibly, cold supply air causing condensate in sense tubing. Relocate switch higher than pick up
  4. Thread: Lennox L series

    by gwoner
    Replies
    6
    Views
    661

    Shift then unit test, push and hold service...

    Shift then unit test, push and hold service button until lite stays on simple. this to cycle thru operations. Unit test and same to check individual fans
  5. Replies
    14
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    1,655

    Those screws holding the dome on should be...

    Those screws holding the dome on should be tightened along with everything in the combustion blower end around the heat exchanger at scheduled service visits. Along with incoming and regulated gas...
  6. Replies
    14
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    1,733

    Should have gotten a Trane startup, good luck

    Should have gotten a Trane startup, good luck
  7. Replies
    12
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    1,159

    hook up your laptop and quit whinning

    hook up your laptop and quit whinning
  8. Replies
    16
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    1,669

    doesn't pump down, migration only

    doesn't pump down, migration only
  9. Replies
    1
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    579

    Good luck with that request.

    Good luck with that request.
  10. Replies
    12
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    1,883

    that's where id start, at the e stop before the...

    that's where id start, at the e stop before the smoke,which should be anyway
  11. Replies
    2
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    812

    Lucas 822 aluminum rod

    Anyone had any luck repairing aluminum condenser coils with this new product?
  12. Replies
    5
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    1,299

    check to make sure all condenser fans are...

    check to make sure all condenser fans are operational .oil is getting to hot
  13. Replies
    28
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    7,730

    I always replace the motor cap, and gear....

    I always replace the motor cap, and gear. Problem solved.
  14. Started at 43 graduated at 47 years old. Best...

    Started at 43 graduated at 47 years old. Best decision I ever made.
  15. Thread: YSC036E issue

    by gwoner
    Replies
    28
    Views
    4,155

    Huh imagine that.

    Huh imagine that.
  16. Thread: YSC036E issue

    by gwoner
    Replies
    28
    Views
    4,155

    On a call for heat,during spark ignition,the...

    On a call for heat,during spark ignition,the spark generated by the ignition probe may cause an excessive amount of electrical noise to be induced back into the RTRM module,this noise is then passed...
  17. Thread: YSC036E issue

    by gwoner
    Replies
    28
    Views
    4,155

    I

    I
  18. Replies
    9
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    1,499

    CTI is what u need

    CTI is what u need
  19. Replies
    20
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    3,811

    Sounds like somebody cycled power and wala?

    Sounds like somebody cycled power and wala?
  20. Thread: YSC036E issue

    by gwoner
    Replies
    28
    Views
    4,155

    Install a grounding strap from board to...

    Install a grounding strap from board to structure. Problem solved
  21. Thread: Trane intelipak

    by gwoner
    Replies
    15
    Views
    2,135

    Id say its most likely a flame rod issue. What's ...

    Id say its most likely a flame rod issue. What's your flame sense at pilot pressure?
  22. Trane has what you need. Call Trane Supply

    Trane has what you need. Call Trane Supply
  23. Replies
    19
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    2,548

    I agree .Sounds like your crossover slots are...

    I agree .Sounds like your crossover slots are full of rust. Use your utility knife to clean out.
  24. Replies
    4
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    870

    true dat

    true dat
  25. Thread: trane , help

    by gwoner
    Replies
    6
    Views
    1,112

    sounds like internal check valve is stuck.Get a...

    sounds like internal check valve is stuck.Get a BFH and 2x4 and give it a whack.
  26. Replies
    1
    Views
    502

    Sounds like no one has been cleaning condensate...

    Sounds like no one has been cleaning condensate lines ever to cause such an issue to happen.
  27. Replies
    18
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    7,586

    Epoxy is only a temporary repair until a new coil...

    Epoxy is only a temporary repair until a new coil is purchased
  28. Replies
    15
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    7,210

    Pull the access panel off the economiser hood and...

    Pull the access panel off the economiser hood and verify actuator operation. Also red service lite should be on on uem board. When putting in test mode and nothings working, disconnect the j6 plug on...
  29. Replies
    15
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    7,210

    Supply air sensor is the problem.Get new SAS or...

    Supply air sensor is the problem.Get new SAS or pull OAS and use it.
  30. Just shut down ckt 1, to dang cold out with...

    Just shut down ckt 1, to dang cold out with windchill at -17* f. Will return at end of week to investigate. Customer happy and occupants in office below condenser happy with noise gone .
  31. OROAB 5-210 R407C on Liebert Remote Condenser.

    OAT 8*. head pressure control making a loud vibrating noise. Is this a sign of internal damage to the valve or diaphram or is it common at this low of ambients
  32. Replies
    2
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    1,479

    Use existing back support under HE, use new bolt...

    Use existing back support under HE, use new bolt that comes with new unit. Most come with inducer and gas valve if ordered. 1 guy for 4 hours, 1 guy for 8 hours.No crane needed to remove and replace,...
  33. Replies
    2
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    1,479

    2 guys, 1 for 4 hours and 1 for 8 .No crane...

    2 guys, 1 for 4 hours and 1 for 8 .No crane needed to install , maybe to get on the roof.
  34. Replies
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    4,100

    Does the pilot lite? then go out. IGnition...

    Does the pilot lite? then go out. IGnition control board
  35. Replies
    14
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    2,579

    I wonder if the occupants getting headaches had...

    I wonder if the occupants getting headaches had anything to do with this stupid repair. Must not own any red tags
  36. Had same problem with a unit heater. Copper...

    Had same problem with a unit heater. Copper cleaned, still wouldnt take. Picked up some Silvabrite 100 solder and wahlah, 95% tin 5% silver, problem solved. Stay away from water based flux.
  37. Replies
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    2,989

    Pull the J7 plug off the UCP .Check your DC...

    Pull the J7 plug off the UCP .Check your DC voltage from J7-2 and J7-9.Apply power and jumper LTB -14 TO LTB -5. Should read 2.8 VDC for heat stage 1.LTB 14 TO LTB 3 HEAT 2 should be 3.71 VDC If the...
  38. Replies
    7
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    1,938

    I dont know if you meant -.2 I.W.C. , but thats...

    I dont know if you meant -.2 I.W.C. , but thats the spec on that unit.
  39. Replies
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    4,727

    Use your recovery machine and weigh in . Works...

    Use your recovery machine and weigh in . Works every time
  40. Replies
    0
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    667

    Rupp Temp Air MUA

    Anyone with info on where to get a IOM for MODEL CFA-220.
  41. Thread: pump

    by gwoner
    Replies
    6
    Views
    1,456

    The new impellers come off really easy . Just...

    The new impellers come off really easy . Just remove the dome nut. Most pull off .Havent had to use a puller yet
  42. Thread: coil cleaning

    by gwoner
    Replies
    17
    Views
    3,754

    Water and dirt makes mud. You have to separate...

    Water and dirt makes mud. You have to separate the split coils on the condensers.You will be surprised.What looks clean on the outside is most likely hiding enough cottonwood to knit grandma a...
  43. Replies
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    2,733

    Looks to me like your insulation on the HE access...

    Looks to me like your insulation on the HE access panel is resting on that particular tube causing a hot spot.
  44. Replies
    47
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    14,098

    What LED's are on when the failure occurs on...

    What LED's are on when the failure occurs on the flow sensor and also what color is the flow proving sensor.Also what is the position of the black dot on the flow sensor.All very important for...
  45. Replies
    47
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    14,098

    If the system is tripping after a short while,...

    If the system is tripping after a short while, check the overloads on the compressor circuit breakers, they come from the factory set to zero, raise to 4 on all compressor c/b.'s, happened to me....
  46. Replies
    22
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    4,019

    Why not just raise the cooling setpoint on the...

    Why not just raise the cooling setpoint on the individual vav box to please each zone thats an issue. This can be done in Tracer.
  47. hold the self terst button in on the bottom of...

    hold the self terst button in on the bottom of the sensor for 2-3 secs. t i think this action resets the sensor.
  48. Replies
    7
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    2,685

    pull the j7 plug and check terminals j7-8 and 11...

    pull the j7 plug and check terminals j7-8 and 11 to ground for 5 vdc. if not the ucp board is bad
  49. Thread: RTAA

    by gwoner
    Replies
    4
    Views
    1,350

    i suggest testing the evap temp sensors, both in...

    i suggest testing the evap temp sensors, both in and out. Replace as a pair.
  50. Replies
    7
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    3,683

    The AOP forums/Ask Our Pro's forums, are...

    The AOP forums/Ask Our Pro's forums, are restricted to only Pro members that have been vetted by the AOPC can post advise, questions or commentary in a thread created by someone else. You need to...
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