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    All I know is that the head pressure was crazy...

    All I know is that the head pressure was crazy high first time I looked at it- totally diff on next trip. I suspect the restriction may have been in the TXV, and along with an overcharge would cause...
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    Okay- so went back out there and found entirely...

    Okay- so went back out there and found entirely different situation. This time the suction reading 32 psig and relatively low head. Suction line frozen all the way up to compressor. I called it a...
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    Thanks - ill pull some juice and see what happens...

    Thanks - ill pull some juice and see what happens - then formulate a plan. Thank y'all for the help.
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    High head- normal suction

    Hey guys- heading back out tomorrow on a no cool call back. First call found pressures (410A) 110/655. ID temp around 78 and OD temp 97. Cleaned condenser and got head to drop down around 475 with...
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    I saw that chart in IMC code book. But, I still...

    I saw that chart in IMC code book. But, I still know there is a chart that shows what size your single drain line needs to be when you terminate into it from (2) or more lines. Example- (2) 3/4...
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    condensate line sizing chart

    I used to have a chart that showed proper condensate termination line sizes for instances where 2 or more condensate drain lines are connected. I see minimums for a condensate drain size per ton in...
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    Is comfort R activated in heating?

    Is comfort R activated in heating?
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    If the sensing bulb lost chg then it would shut...

    If the sensing bulb lost chg then it would shut off TXV correct?
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    Thanks- just so I'm clear..is it because the...

    Thanks- just so I'm clear..is it because the suction reading is too low that's causing you to think outdoor restriction?
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    okay- good info. So, now I am just a little more...

    okay- good info. So, now I am just a little more confused...my mentors/tech buddies say different things...leading me to believe I am not the only one confused about HP!

    Consider this- in heat...
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    Yup- sorry meant to include that....its...

    Yup- sorry meant to include that....its 22...could be a restriction just not sure the best way to tell....if I remove the bulb and pressures stay the same, then is that saying TXV is bad?
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    Diagnosing in Heat Mode

    Okay- I'm sure similar threads exist, but need to head back out there today and hoping for some input from those more experienced in heat pumps.

    Got a call for no heat/ very little heat. Customer...
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    On # 2. you stated that you do the checks in 2nd...

    On # 2. you stated that you do the checks in 2nd stage and then unplug the Y2 at the bypass solenoid....so this in effect leaves you checking in first stage....correct?
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    alright-ok, that makes sense....just not a lot of...

    alright-ok, that makes sense....just not a lot of experience on the higher end stuff and want to be sure ducks are in a row. Okay, now if I need to service 2 stage scroll do they recommend charging...
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    Thanks all for the help- good folks on this site

    Thanks all for the help- good folks on this site
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    just so I am clear, on a single 2 stage scroll,...

    just so I am clear, on a single 2 stage scroll, if I adjust the T Stat up several degrees then it should kick in Y2 or (second stage). Then, at condenser I should be able to see control voltage...
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    Thanks for the detail Andrew MK....good stuff

    Thanks for the detail Andrew MK....good stuff
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    Checking 2stage compressor

    I know this may sound trivial, but I'm curious how the expert techs activate second stage cool in order to check second stage (T-Stat or jumper at condenser)...I have recently picked up a couple of...
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    Thanks all for the replies

    Thanks all for the replies
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    Compressor shot-customer didn't have a lot of...

    Compressor shot-customer didn't have a lot of money to spend- evaporator still functioning fine. Plans to replace evaporator later...got him cool again on his budget. I realize it's not optimal
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    Replace orifice?

    Question- I'm curious how many techs replace the orifice or put new TXV on an existing evaporator when only changing out the condenser (different brand) I'm thinking you are supposed to put the...
  22. I appreciate the information and it sure clears...

    I appreciate the information and it sure clears some things
  23. Meaning to check to SH or SC

    Meaning to check to SH or SC
  24. Okay- so in heating mode, do you connect gauges /...

    Okay- so in heating mode, do you connect gauges / thermometer on the same places as in cooling mode? It would stand to reason that it would be different locations for line temp measurements since...
  25. Thanks to everyone for the info and excellent...

    Thanks to everyone for the info and excellent insight. sorry have not been keeping closer tabs on my thread,but I've been out of pocket deer hunting.
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