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Type: Posts; User: mississippi

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  1. Replies
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    954

    replace valves,leak lock will hold until next guy...

    replace valves,leak lock will hold until next guy comes along and removes caps and doesnt reapply leak lock.
  2. ive never seen a condenser freeze while in...

    ive never seen a condenser freeze while in cooling mode,your evap. coil is what freezes and your suction line will freeze back to the condenser.several things can cuase this.
  3. Replies
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    6,260

    you're unit is working like its supposed to put...

    you're unit is working like its supposed to put those gauges on ebay!
  4. Replies
    19
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    3,238

    definitely talk to owner,wouldnt settle for...

    definitely talk to owner,wouldnt settle for repair they would have to buy me a new one.
  5. Replies
    12
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    1,232

    no problems with mastercool.

    no problems with mastercool.
  6. their definitely blowing smoke about the...

    their definitely blowing smoke about the "lifetime" warranty,thanks for the heads up.hope you get your problem figured out.
  7. Replies
    2
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    580

    definitely need more than 400 sq. inches of...

    definitely need more than 400 sq. inches of return for 3 ton system.
  8. Replies
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    844

    the tighter the system the better.not something...

    the tighter the system the better.not something thats hard to do
  9. try replacing the fan?

    try replacing the fan?
  10. thats odd about the warranty,amana salesman at...

    thats odd about the warranty,amana salesman at our shop just last week he said they were giving lifetime warranty and would replace entire unit and pay labor to changeout.
  11. Replies
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    619

    get you a P.T. chart and learn how temperature...

    get you a P.T. chart and learn how temperature effects pressures thats a good start.each refrigerant will have a different pressure temp relationship
  12. Replies
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    892

    Tempature Drop Across Coil

    Tempature Drop Across Coil
  13. Replies
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    3,005

    the oxygen in the line causes the oxidation the...

    the oxygen in the line causes the oxidation the nitrogen is a dead gas and displaces the oxygen no air no oxidation means less problems down the road
  14. Replies
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    2,685

    This Guy Is Exactly Why We Have Diy Rules On This...

    This Guy Is Exactly Why We Have Diy Rules On This Site,get The Message?
  15. Amen Brother!!!!

    Amen Brother!!!!
  16. Replies
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    1,916

    didnt say anything about 4" said to multiply...

    didnt say anything about 4" said to multiply circumference of pipe times 4 then add 2" for lap and yes this will work for any size pipe.we wrap 14" pipe everyday and it works perfect,no rule of thumb...
  17. Replies
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    1,916

    we run alot of metal pipe we multiply size of...

    we run alot of metal pipe we multiply size of pipe times 4 then add 2" for lap 3.14 sounds tight if you smash insulation youre defeating the purpose.
  18. Replies
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    2,429

    some cheese with that whine,maybe a box of...

    some cheese with that whine,maybe a box of kleenex and a diaper
  19. Replies
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    1,610

    www.wrightsoft.com

    www.wrightsoft.com
  20. daiken

    daiken systems are designed to run up to three heads on one condensor.they they are low cfm systems designed to run all the time and maintain one temp regardless of outdoor temp.what you're wanting...
  21. liquid line is highside during heating and...

    liquid line is highside during heating and cooling, flow of refrigerant just changes directions.suction line becomes discharge line in heating mode.during cooling inside coil is evaporator outside...
  22. Thread: gasheat

    by mississippi
    Replies
    1
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    380

    gasheat

    looking for literature for gas heat any suggestions,also dual fuel systems,thanks
  23. Replies
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    4,129

    A psc motor already has a start capacitor in...

    A psc motor already has a start capacitor in series with the start windings.by adding a potential relay you're not going to help yourself.if you suspect your compressor needs help starting yes a hsc...
  24. show me somewhere that 80% of homes being built...

    show me somewhere that 80% of homes being built aren't being built by some big developer, they build them as cheap as they can.for the other 20% they may get their hood ducted to the outside.guess it...
  25. you're right wasn't thinking about the high...

    you're right wasn't thinking about the high velocity,thanks
  26. replace the fan motor,and most importantly if you...

    replace the fan motor,and most importantly if you suspect problems with the compressor have someone do an acid check if no acid in system you will be good to go.In closing though you're problem...
  27. Replies
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    1,472

    agree,need more info.hard to explain about...

    agree,need more info.hard to explain about differences with 410a vs.r22 temps. wont differ only pressures because of the chemical makup.
  28. you're supply temps. are to cool even for a heat...

    you're supply temps. are to cool even for a heat pump.this is why you're unit is running all the time.call you're contractor.
  29. Thread: Line Sets

    by mississippi
    Replies
    22
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    1,288

    could be wrong have been before.you can buy 422...

    could be wrong have been before.you can buy 422 ref. but to my knowledge no units are being made with 422 in them.Every class ive taken for the last two years has preached nothing but 410a.didnt know...
  30. Thread: Line Sets

    by mississippi
    Replies
    22
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    1,288

    BEENTHERE,You hit it on the nail head.you install...

    BEENTHERE,You hit it on the nail head.you install one side of the system with something not compatible with the other side.your gonna have callbacks and more than likely warranty issues.But to each...
  31. you're right most new homes have units with...

    you're right most new homes have units with charcoal filters that just recirculate
  32. Replies
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    4,129

    how old is the unit.If the lights are dimming...

    how old is the unit.If the lights are dimming when it starts you have an electrical problem some where.a hard start or the capacitor start capacitor run kit will help the compressor when it starts...
  33. Replies
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    5,307

    Learn something new on this site every day since...

    Learn something new on this site every day since I joined.been in const. and hvac all my life. I've always sealed my returns but have never thought about sealing the supplies.All the schools and all...
  34. Replies
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    cant really tell much by the picture. looks like...

    cant really tell much by the picture. looks like a 3rd grader did the install.as far as using extra liquid line it shouldn't hurt anything as long as they charged it properly the condensor only comes...
  35. Thread: Sizing?

    by mississippi
    Replies
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    664

    I may be wrong 900 sq. ft. 45k btu I would...

    I may be wrong 900 sq. ft. 45k btu I would definetely have someone show me a heat load calc. 45k would be overkill
  36. Thread: fujitsu

    by mississippi
    Replies
    6
    Views
    496

    installed one this week pretty cool that both...

    installed one this week pretty cool that both lines are on low side of system took awhile for some guys to understand that.so if my line set is 15' or 30' the charge in the condenser will be o.k.
  37. Replies
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    4,599

    go to most any supply house and tell them what...

    go to most any supply house and tell them what you need i believe the model i use is a g66 cost about 60 bucks
  38. Thread: Line Sets

    by mississippi
    Replies
    22
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    1,288

    dont know where the info came from but there was...

    dont know where the info came from but there was alot of money spent developing 410a and 134a neither one of these refrigerants will be going anywhere anytime soon.one of the 422 is a low temp drop...
  39. Replies
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    4,599

    if you have metal duct which I believe you do you...

    if you have metal duct which I believe you do you need to be sure all seams are sealed with tape and any horizontal seams need to be at the top.all insulation should be stapled and taped with foil...
  40. Thread: fujitsu

    by mississippi
    Replies
    6
    Views
    496

    good questuon curious about that also

    good questuon curious about that also
  41. Replies
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    649

    if youre going with an airtight design on you're...

    if youre going with an airtight design on you're home check into a daikin system very energy efficient they are also designed for fresh air intake.only drawback they are a little costly also be sure...
  42. Thread: Line Sets

    by mississippi
    Replies
    22
    Views
    1,288

    if you're going from an r-22 system to a 410a...

    if you're going from an r-22 system to a 410a system I would recomend changing the linesets but it is not a necessity,even though they are made the same way as they were 15 years ago thats not the...
  43. Your'e rangehood may be rated to move 500-600...

    Your'e rangehood may be rated to move 500-600 cfm's but a normal rangehood duct is 7" and will only move around 150-170 cfm's
  44. I agree with shophound,the daikin systems are...

    I agree with shophound,the daikin systems are excellent systems very energy efficient but pretty costly,or you could go with a fujitsu mini split system their condensers can carry up to 4 heads.both...
  45. Replies
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    934

    sad

    Its sad you spent good money to go to a school that doesnt teach load calculations.Im in my second year of school and been in the field for about a year. the company I work for does load calcs on...
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