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  1. Replies
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    Best Meter on market?

    Its time to upgrade. I have had Fieldpiece 76 and 77 and have found it to be the a good meter for just about any job. I am very likely to go with something similar. In an HVAC service/install...
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    good possibility. But why now after 17 years?...

    good possibility.
    But why now after 17 years?
    possibly a broken seal/debris degrating inside the compressor?
    no LL dryer... system was installed when venting R-22 was common practice...
    not too...
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    656

    Suggested replacing all... annd i base my...

    Suggested replacing all...
    annd i base my theory on the changing of pressures/temps on the yearly maintenence we have done on the system. I could pull the tickets to find exact readings, but off...
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    old system new problems?

    recent call out i come up on a 17 year old system which has recently froze up. coil had defrosted before arrival. Checked refrigerant level and found a 30 SH on a 22 SC. Pressures at 75/245. OAT...
  5. I believe he means "high SH(30F)" mr. alcomech,...

    I believe he means "high SH(30F)" mr. alcomech, not sure
    75 ambient with 13 SC sounds fine. second fan running woundnt correct SH/unloader issue. It is known the carlyle unloaders will lose spring...
  6. Heat gain/loss to determine exactly whats needed....

    Heat gain/loss to determine exactly whats needed.
    The mitsubishi systems are amazingly efficient with the inverter compressors, as mr. jdenyer said also the hyper heat puts out a large amount of...
  7. Personally i try to avoid Trane due to specific...

    Personally i try to avoid Trane due to specific technicial design techniques they utilize. Also the dealers here in town are not necessarily the frendliest to deal with. Trane parts are not...
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    Static pressure @ return is a little high. im not...

    Static pressure @ return is a little high. im not looking at a chart but 16/14 seems a hair small for 4 ton. check the spec static pressures with the duct pressures. also, just a thought, is your...
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    Blower wheel clean? Pull the ductulator!

    Blower wheel clean? Pull the ductulator!
  10. I would look past a communication. pressure too...

    I would look past a communication. pressure too high or low would be far too easy to diagnose. first tech should have instantly noticed that. id prob look at control board. call tech support. ...
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    of course!

    of course!
  12. Replies
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    579

    Makes complete sense. you dont think there would...

    Makes complete sense. you dont think there would be any difference in flow rate at all? even with the check valve opening/closing with flow reversing???
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    579

    Internal Bypass TXV?

    A good customer has recently purchased a new building with a Carrier 5-ton installed in a large office building and has been painted all black. even the data plate. The building has other larger...
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    "Design Temperatures" 78-82 outdoor and 71-73...

    "Design Temperatures" 78-82 outdoor and 71-73 indoor
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    you say indoor temp is around 80? jesus.... let...

    you say indoor temp is around 80? jesus.... let it settle down to aleast 75. all install manuals say your charge should be tuned to indoor temps. here in louisiana i see it go from 30 SH to 13 SH...
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    G.P.S. = Global Plasma Solutions

    G.P.S. = Global Plasma Solutions
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    518

    bossman had 2. they lasted awhile. nothn amazing...

    bossman had 2. they lasted awhile. nothn amazing about it but it will get the job done. we used them about 2 years and later they required constant cleaning and eventually stopped reading accurate....
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    G.P.S. Ionic air purifier

    Our company was searching for a solution to mold/odor issues in a homeowners house. We were shown this product and told how amazing it was. The homeowner was informed and offered the product at a...
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    check out the duct access panels. we install and...

    check out the duct access panels. we install and carry them regularly. the initial install takes about 20 min. but when you need to get to it again it dont get no easier. i kno they make 10 x 10...
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    hey now thats sweet. u say you have 10 feet of...

    hey now thats sweet. u say you have 10 feet of cap tube inside? the flow meters are nice but ive done busted 2. looks like the trick to me. if you got more pics i would love to see more on this
  21. beer can cold!!!!!

    beer can cold!!!!!
  22. Replies
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    if you absoutley cannot access the coil then use...

    if you absoutley cannot access the coil then use your guages...
    txt pressure will stay stable if you block the discharge on the condenser
    fccv will fluxuate a good bit
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    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....
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    the ground is a must. the communications between...

    the ground is a must. the communications between the indoor and outdoor components are very finikey. first though try putting the remote in heat mode and cycle the unit on and off multiple times. ...
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