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Type: Posts; User: JKerch

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  1. Replies
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    IMO, spend a little more and get a YJ 1/2" tree,...

    IMO, spend a little more and get a YJ 1/2" tree, two 3/8" to 1/4" vacuum hoses and two appion core tools. I installed six new units and pumped them all down to 80 micron in six to seven hours...
  2. And since it is a heat pump, do they want to pay...

    And since it is a heat pump, do they want to pay the difference on you heat bill? It should have been weighed in at time of service.
  3. All outdoor units come w a pre-weighed amount of...

    All outdoor units come w a pre-weighed amount of refrigerant in them. When they had to remove the charge to install the compressor they recovered refrigerant from your unit. They also took your...
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    Nitrogen and Argon have two different properties...

    Nitrogen and Argon have two different properties in relation to hot metal and the puddle produced. Ask your wire provider for the circumstance. Mig wire can be ran as a spray arc at high speeds and...
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    Aluminum coils are fine, you personally need to...

    Aluminum coils are fine, you personally need to register your products, make SURE it gets done, call manufacturers to verify, most installing companies do not or can not do that for you. Also make...
  6. I just work on them, but to get ahri match on...

    I just work on them, but to get ahri match on that 14seer unit it should have a txv on it. But all c33 coils come w/o it. CX34's are built in txv's.
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    Sounds to me like txv, and high head is forcing...

    Sounds to me like txv, and high head is forcing it to open to adequate sh.
  8. Replies
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    1,219

    I do know of its use in geothermal but not sure...

    I do know of its use in geothermal but not sure how it affects sub cooling. Just curious.
  9. Replies
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    1,219

    Not familiar w hru's. Do they affect sub cooling...

    Not familiar w hru's. Do they affect sub cooling much?
  10. Replies
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    Any tech worth his salt will know how to get that...

    Any tech worth his salt will know how to get that system balanced w/o removing and starting again. I would ask the op did his tech friend take temperatures while using his gauges or was he just going...
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    434

    Whenever you disconnect from the previous unit...

    Whenever you disconnect from the previous unit you were working on, disconnect your high side first, open both valves to let liquid go back to low side, then disconnect low side. Same when charging,...
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    716

    Personally, I would have installed a txv on a...

    Personally, I would have installed a txv on a mismatched unit just to let it take the work out of guessing.
  13. How can the HVAC guy check it w/o going inside?...

    How can the HVAC guy check it w/o going inside? The unit is most likely a fixed orifice system so to say it is fully functional he must go inside to get wet bulb readings. I'd bet money on low...
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    What was the superheat, always give both when...

    What was the superheat, always give both when needing a diagnoses. 150 sounds high for suction for 77 outside temp
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    :beat: They wanted the rain to keep it washed...

    :beat: They wanted the rain to keep it washed out. Looks like a Goodman. Another Hackman project done in Hackville City USA ::DD:
  16. Replies
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    412

    With this in mind a complete recapture should not...

    With this in mind a complete recapture should not be necessary, isolate the heat pump and run the fan, true suction should still match pt chart.
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    412

    TY, good idea, personally don't remember if it is...

    TY, good idea, personally don't remember if it is a heat pump but that would sure get it to ambient quick and the blend, if there, would definitely get it to show up. Thanks
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    412

    I really did do this once early on but caught it...

    I really did do this once early on but caught it that very day. We all have made blunders. If I remember right, I caught it by not being able to achieve sub cool measurement but too much water under...
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    412

    Identifying possible refrigerant mix?

    Okay, here is a possible but doubtful scenario. Two months ago, while doing a pm I wrote down on my pm sheet that I added 2# r22 in a 410a system. I really don't think so, but if I did, the resulting...
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    Sounds like a zoning issue. Call a real tech who...

    Sounds like a zoning issue. Call a real tech who will locate your problem.
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    289

    I had a customer complain about the same thing...

    I had a customer complain about the same thing once found unit w no piston.
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    http://www.rectorseal.com/index.php/mighty-pump-ac...

    http://www.rectorseal.com/index.php/mighty-pump-ac-condensate-drain-line-pump/
  23. Personally, I feel very sorry for people living...

    Personally, I feel very sorry for people living under cruel regimes. The problem isn't localized to just Islamic government, it's all government. Once a government ruled by men is put in motion, it...
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    1,069

    Most likely not the only difference, fan blade...

    Most likely not the only difference, fan blade pitch can make a big difference
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    Am I to assume you are speaking of an open loop?

    Am I to assume you are speaking of an open loop?
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