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Type: Posts; User: Ben21

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  1. Replies
    22
    Views
    792

    Then let us know what the system does when you...

    Then let us know what the system does when you change out the metering devices. Good luck

    Sent from my SM-N910W8 using Tapatalk
  2. Replies
    22
    Views
    792

    Is the newer scroll compressor the same btu...

    Is the newer scroll compressor the same btu rating at the same sst?

    It could be oversized causing low sst.

    Sent from my SM-N910W8 using Tapatalk
  3. Replies
    22
    Views
    792

    What's td across evaporator? What's the...

    What's td across evaporator?
    What's the evaporator superheat?
    What's the sub cooling?
    What are the amps?
    What's the head pressure? What's the ambient temperature?

    I'm sure if you answer all...
  4. Thread: Need suggestions

    by Ben21
    Replies
    29
    Views
    1,340

    If it's copper silfos will work. Silfos is a...

    If it's copper silfos will work. Silfos is a building material. With the right flame control you can patch nearly any size hole with it.

    If it's brass you cannot use silfos. It will not hold. ...
  5. Replies
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    822

    You should find someone you trust and leave them...

    You should find someone you trust and leave them and the equipment alone.





    Sent from my SM-N910W8 using Tapatalk
  6. Replies
    19
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    1,771

    [QUOTE=maka;21996871]Hi Ben 21 thanks for your...

    [QUOTE=maka;21996871]Hi Ben 21
    thanks for your post, do you have a site referencing the Suva piping details. So everyone can relate
    ...
  7. Replies
    19
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    1,771

    -slope 1"/20' in direction of flow -the goal is...

    -slope 1"/20' in direction of flow
    -the goal is to maintain your min 1700fpm on vertical suction risers. A rise of 4' out of the box as you are saying won't need a reduced riser.
    -trapping...
  8. If your unit has a fixed orifice metering device...

    If your unit has a fixed orifice metering device then charging with superheat is ideal. You want 10f superheat after the evaporator when the system is satisfied. You also want to reference your...
  9. Replies
    17
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    1,978

    Sorry, it's not the restrictor, there is a...

    Sorry, it's not the restrictor, there is a capillary tube in there prior to the line going to the evaporator head, but it's definitely not a liquid line.
  10. Replies
    17
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    1,978

    If you have a lift and can take the time to make...

    If you have a lift and can take the time to make it pretty, straighten them the best you can and fasten unistrut to the trusses or the ceiling. Then hold the lines in place with cushion clamps....
  11. Replies
    4
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    1,238

    Dirty Air Problem at the Airport

    Hello,

    My wife works at a building right off a main airport apron. I began a preventative maintenance contract with this business about 3 months ago. It is a 2 storey building. The majority of...
  12. Replies
    1
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    847

    New to the trade, new to hvac talk.

    Hello everyone,
    I decided to make a career change and go from managing restaurants to hvac/r. I finished a pre-employment program a month ago and landed my first job in the trade soon after. I...
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