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  1. Thread: Heat pump txv

    by Ac_man
    Replies
    7
    Views
    608

    Cool and thanks

    Cool and thanks
  2. Thread: Heat pump txv

    by Ac_man
    Replies
    7
    Views
    608

    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
    608

    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
    608

    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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    828

    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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    828

    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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    828

    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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    633

    Hey all the tips can help

    Hey all the tips can help
  9. Replies
    7
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    633

    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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    633

    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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    383

    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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    412

    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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    412

    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
    551

    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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    1,628

    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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    1,628

    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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    1,301

    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
    846

    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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    1,570

    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
    19
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    1,570

    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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    1,570

    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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    764

    Thanks guys

    Thanks guys
  24. Replies
    10
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    764

    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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    2,705

    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
  26. Replies
    13
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    2,025

    While we're on the topic of dual fuel units, I...

    While we're on the topic of dual fuel units, I went to a 5 ton oil furnace/ 5 ton heat pump dual fuel call some time ago,complaint was the breaker would trip about once or twice during the day....
  27. Replies
    26
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    5,887

    What's the purpose of the potential relay and how...

    What's the purpose of the potential relay and how does it work on the hard start kit??and is it also recommended on r410a units with txv's??
  28. Replies
    57
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    4,525

    Well I went back to this call earlier today and...

    Well I went back to this call earlier today and double checked all my ground connections. i removed one that was connected to the frame of the transformer and placed it with the rest of the ground...
  29. Replies
    11
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    993

    Im going to double check the manual again to see...

    Im going to double check the manual again to see what refrigerants it detects again
  30. Replies
    57
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    4,525

    Thanks for the info

    Thanks for the info
  31. Replies
    57
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    4,525

    What did you do as a repair

    What did you do as a repair
  32. Replies
    57
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    4,525

    Would i have to disconnect any neutral wires or...

    Would i have to disconnect any neutral wires or just test to a OPEn neutral terminal?
  33. Replies
    11
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    993

    I have the same one, it goes off when u expose it...

    I have the same one, it goes off when u expose it to a jog Of 410, But when i actually look for a 410 during a service call it rarely goes off even After i replaced the tip, how old is yours,ive had...
  34. Replies
    57
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    4,525

    Thanks bro

    Thanks bro
  35. Replies
    57
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    4,525

    I did check for gas pressure and was 3.5"wc. Next...

    I did check for gas pressure and was 3.5"wc. Next i removed all burners and cleaned them out. After all this, still had same symptoms. What should i do next guys
  36. Replies
    57
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    4,525

    I did check the pressure for any debris and was...

    I did check the pressure for any debris and was clean, i did put My probes on the sensor and the wire that connects to the board to get a 2.2ua.. I did call one Of My senior tech and he told me to...
  37. Replies
    11
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    993

    R410a leak dectector

    What electronic leak detector would you guys recommend for r410a
  38. Replies
    57
    Views
    4,525

    2.2

    2.2
  39. Replies
    57
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    4,525

    I did check the high voltage and low voltage...

    I did check the high voltage and low voltage ground, they were firm and secured
  40. Replies
    57
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    4,525

    Where should i check the ground

    Where should i check the ground
  41. Replies
    57
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    4,525

    Like what

    Like what
  42. Replies
    57
    Views
    4,525

    Flame sensor is good

    I was on a service call today, 80% upflow goodman furnace natural gas. Burners would light up for 5-10 sec, then cut off. I cleaned flame sensor with sand paper,still same results. Microamps were...
  43. Thread: New here

    by Ac_man
    Replies
    7
    Views
    863

    Hi Bill Ive been doing this trade for seven...

    Hi Bill

    Ive been doing this trade for seven years, and enjoyed everything about it. I specialize in residencial and some in commercial,what about you
  44. Thread: New here

    by Ac_man
    Replies
    7
    Views
    863

    Thanks

    Thanks
  45. Thread: New here

    by Ac_man
    Replies
    7
    Views
    863

    New here

    Just join the network
    , hello to all
Results 1 to 45 of 45
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