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Type: Posts; User: HVAC-Tech_88

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  1. Replies
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    10,314

    low suction pressure and high superheat really...

    low suction pressure and high superheat really sounds like a restriction huh. i always try to order oem capillary tubes. i honestly would rather work on a walk in box any day rather than a reach in...
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    2,264

    I understand. more heat absorbed in the outdoor...

    I understand. more heat absorbed in the outdoor coil means more heat to reject and higher pressures in the indoor coil.
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    I'm sorry I just don't understand why you would...

    I'm sorry I just don't understand why you would want to cycle the fan down when your trying to absorb heat from the outside in the heating mode.
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    so what your saying is that the odf will cycle in...

    so what your saying is that the odf will cycle in the heating mode?
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    1,290

    i've installed panels made by viessman and i...

    i've installed panels made by viessman and i believe they were the evacuated tube kind however it was kinda hard to understand the german literature that came with them. lol
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    as a newbie to the industry i will sympathize...

    as a newbie to the industry i will sympathize with someone that doesn't know much. but u sound as if u don't even understand the refrigeration cycle or the nature of refrigerant. any way...did u...
  7. ooo ok thanks, u learn something every day

    ooo ok thanks, u learn something every day
  8. So wut is esp? And wut makes u think ur starved...

    So wut is esp? And wut makes u think ur starved for air on the return?
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    921

    what exactly is rx11?

    what exactly is rx11?
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    921

    how long is the line set? would it be too costly...

    how long is the line set? would it be too costly for u to have it replaced? how much is ur peace of mind worth?
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    then they MUST be flushed right?

    then they MUST be flushed right?
  12. Replies
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    1,332

    do a mollier diagram of the cycle u will find the...

    do a mollier diagram of the cycle u will find the heat of compression is equal to the amount of electrical energy used. 3.41 btu/watt
  13. Thread: Brazing

    by HVAC-Tech_88
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    10
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    679

    i love mapp for soft soldering but use acc for...

    i love mapp for soft soldering but use acc for brazing
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    410 and 22 use differant compressor oils and...

    410 and 22 use differant compressor oils and mixing the two would definately shorten the life of the compressor drastically. the line size will be specified in the installation manual as well as...
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    274

    Looking for a vacuum pump

    I'm located in the albany ny area and am interested in buying a used pump that will still pull down to 400 microns.
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    5,134

    on an install if u time it right pressure testing...

    on an install if u time it right pressure testing is just in time for lunch. ramp up the nitrogen to 200psig then go get lunch if its still 200 when u get bck dump that evacuate and charge.
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    Noted sry guys.

    Noted sry guys.
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    May i ask why are you looking to reverse the...

    May i ask why are you looking to reverse the polarity of the motor? is it seized?
  19. Replies
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    1,017

    You can reverse the rotation of a 3 phase motor...

    You can reverse the rotation of a 3 phase motor by reversing the polarity of any one phase.
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    Ok confession: i'm a student with less than six...

    Ok confession: i'm a student with less than six months experience in the field n just thought i would ask a question. next time i'll b sure to ask people to reply only if their not looking to poke fun
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    619

    Trane roof tops

    Hey i'm kinda confused about the sequence of operations for a 2-stage trane in cooling mode. can ne one help me out?
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