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  1. Thread: Heat pump txv

    by Ac_man
    Replies
    7
    Views
    286

    Cool and thanks

    Cool and thanks
  2. Thread: Heat pump txv

    by Ac_man
    Replies
    7
    Views
    286

    I appreciate schooling me to the proper term.. So...

    I appreciate schooling me to the proper term.. So a straight AC coil will definitely not operate with a heat pump..and the indoor coil has to be matching to the heat pump with a check-txv,rite?
  3. Thread: Heat pump txv

    by Ac_man
    Replies
    7
    Views
    286

    Ok..one of the tech where I work told me he ran...

    Ok..one of the tech where I work told me he ran into a unit where only the indoor coil and heat pump were replaced not the air handler. He told me that the indoor coil was for a straight ac and...
  4. Thread: Heat pump txv

    by Ac_man
    Replies
    7
    Views
    286

    Heat pump txv

    Are all indoor coils that operate with a heat pump equipped with a bi flow txv let's say using r410 for residential units??.. If not what controls the flow of refrigerant in either direction??..all...
  5. Replies
    10
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    450

    Ok thanks for the info,greatly appreciated.. One...

    Ok thanks for the info,greatly appreciated.. One quick question while on evap, does a heat pump evap coil contain a checkvalve or is it the same as a straight ac evap? Or should I post a new thread?
  6. Replies
    10
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    450

    You pretty much answered my question..also would...

    You pretty much answered my question..also would low indoor air temp cause a flooded evap since there isn't much heat to remove?? And would liquid flow back to the compressor?
  7. Replies
    10
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    450

    Flooded evaporator

    Ok so I know there's no such thing as a dumb question..my question is what is meant by "flooded evaporator" and what are the causes? Thank you..just asking to better myself
  8. Replies
    7
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    439

    Hey all the tips can help

    Hey all the tips can help
  9. Replies
    7
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    439

    I remember being told once by another senior...

    I remember being told once by another senior tech.. Just wanted some confirmation
  10. Replies
    7
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    439

    Ohming a gas valve

    Can ohming a gas Valve indicate a good Valve..And what reading are good,thanks
  11. Replies
    2
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    289

    Dual fuel heat checks

    We're starting to get cool weather which means heat checks are rite around the corner. I wanted to ask, whats the proper way to check the heat pump its self And then the furnace, thanks
  12. Replies
    3
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    305

    Units were running for a whole day before the...

    Units were running for a whole day before the owner called in. He stated that the suction line outside had ice on it n our dispatcher advised him to turn it off n wait for the tech to come out. The...
  13. Replies
    3
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    305

    Fluctuating low and high psi on ac unit

    So it's hot and humid here on the northeastern part of the US. I've ran into a couple of ac units, where the symptom is having the indoor coil icing up. Most of the owners are the type that don't...
  14. Thread: Zoning systems

    by Ac_man
    Replies
    2
    Views
    428

    Zoning systems

    So I would like to know how everyone feels about having zoning dampers on a one zone hvac unit..reason I ask Is cause I ran into a few problems with motors going fault as well as the damper motor,...
  15. Replies
    9
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    1,088

    To doc havoc, I was just asking the question...

    To doc havoc, I was just asking the question about high amps the opposite of when a compressor draws low amps, just a question, sorry for the confusion
  16. Replies
    9
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    1,088

    Compressor amp draw

    So it's that time of the season here in the northeastern side of the US.. Now I ran into a bad scroll compressor 2.5 ton r22 rated 19amps and drew 6.7amps common and 5.4 start, outdoor temp was 80.....
  17. Replies
    11
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    1,021

    AC checks during mild weather

    So we recently have started doing AC checks here in the northeastern side of the US. The way I perform my checks are by wrapping a plastic contractor bag around the entire condensing unit and letting...
  18. This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  19. Thread: Txv's testing

    by Ac_man
    Replies
    7
    Views
    624

    Txv's testing

    When checking for restricted txv's during AC season, I've been taught to place it in hot water to see if it would open,which is one way of testing, any other recommended methods of testing??..thanks
  20. Replies
    19
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    1,132

    I feel the same way freonjohn, they shouldn't be...

    I feel the same way freonjohn, they shouldn't be allowed on this site with smarta** answer like that
  21. Replies
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    1,132

    So my understanding is that u can wire a couple...

    So my understanding is that u can wire a couple of elements to regular heat and then wire all to emergency heat correct?? Which means 2 elements to "w2" and then all to "e" em heat,correct??
  22. Replies
    19
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    1,132

    Aux heat sequence

    During aux heat on a heat pump, how many elements come on if we say its a 15kw pack in conjunction with the heat pump to raise the temp 1 degree??
  23. Replies
    10
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    574

    Thanks guys

    Thanks guys
  24. Replies
    10
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    574

    Dual fuel testing

    I don't have much experience testing dual fuel units during heating checks, how can I by pass the heat pump during mild winter to test the gas furnace??and how do I by pass furnace to test heat pump...
  25. Replies
    31
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    2,140

    It's the pressure switch I've replaced 4x already...

    It's the pressure switch I've replaced 4x already this winter season in northern VA pretty much on carriers..also have a magnihilix to test it while running to see what the pressure are
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