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  1. Thread: Rental

    by TAC Service
    Replies
    24
    Views
    2,415

    If there is a hole in the backyard fence I know...

    If there is a hole in the backyard fence I know where to get the blocks to fix it.
  2. Replies
    12
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    1,614

    Thanks for the response, It looks like it will...

    Thanks for the response, It looks like it will work if you set it up as pressure dependent and get away
    from the velocity controller. I was mainly curious if anyone has ever seen an installation...
  3. Replies
    12
    Views
    1,614

    VAV Reheat System

    We just started servicing a building that has two large VAV package units and a hot water boiler with pump all located on the roof, this system is very common for the area. Downstairs in the suite...
  4. The balancing valve should be installed in the...

    The balancing valve should be installed in the return line on the system side of the by-pass line. That way the coil or its by-pass line will never use more water than its designed for.
  5. Replies
    5
    Views
    845

    Your amp draw will be under FLA because the head...

    Your amp draw will be under FLA because the head pressure is low. Your expansion valves are hunting because you don't have the required 100 psig MOP. The suction is less that 100 psig from the...
  6. Replies
    10
    Views
    2,173

    The pitch of the swamper matches the slope on the...

    The pitch of the swamper matches the slope on the mountain.
  7. Replies
    4
    Views
    1,374

    Quality Craftmanship

    Went on a call today and found the last tenant removed their AC unit when they moved. The new tenant felt thet needed some air so they had one of our fellow craftsman borrow some air from another...
  8. Replies
    13
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    2,188

    Cut a hole in the floor and you have a perimeter...

    Cut a hole in the floor and you have a perimeter heater for the porch.
  9. Replies
    8
    Views
    2,042

    When I send my duck to work he refuses to wear...

    When I send my duck to work he refuses to wear boots.
  10. Replies
    51
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    11,500

    The pump will never wear out.

    The pump will never wear out.
  11. Thread: what code?

    by TAC Service
    Replies
    15
    Views
    2,882

    They really need to paint the unistrut.

    They really need to paint the unistrut.
  12. Replies
    9
    Views
    1,411

    Someone installed their ice machine outside.

    Someone installed their ice machine outside.
  13. Replies
    13
    Views
    2,274

    Who gets to clean the spray tree & nozzles:gah: ?

    Who gets to clean the spray tree & nozzles:gah: ?
  14. Replies
    73
    Views
    10,218

    One of the big problems is he will be the helper...

    One of the big problems is he will be the helper for the next several years.
    That can be physically challenging as well as mentally challenging to take orders from someone half his age.
  15. Replies
    10
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    2,033

    If the air conditioning thing doesn't work out...

    If the air conditioning thing doesn't work out you can always go into
    movie making.
  16. Replies
    12
    Views
    1,259

    www.solidyne.com (http://www.solidyne.com)

    www.solidyne.com
  17. Replies
    25
    Views
    1,871

    OSA temperature was commonly used in commercial...

    OSA temperature was commonly used in commercial buildings with alot of solar exposure (glass) to bring on the refrigeration system. The load of a glass building will be effected more by OSA. The...
  18. Replies
    9
    Views
    1,412

    Over the years there have been several attempts...

    Over the years there have been several attempts to use high pressure duct systems in commercial office buildings (4" to 8"wc). The advantages were smaller duct (cheaper) and less attic space...
  19. Replies
    4
    Views
    1,497

    Thank You.

    Thank You.
  20. Replies
    4
    Views
    1,497

    Landis & Gyr (Powers) System 600

    I just inherited this building with a small system 600 panel. Its primarly used for start-stop and some elementary control functions. The owner wants to keep it because its currently working. There...
  21. Thread: OA Intakes

    by TAC Service
    Replies
    8
    Views
    1,204

    We have a customer that installed screen material...

    We have a customer that installed screen material (like you find in your screen door) over the fresh air intakes, its very effective but has to be cleaned regularly.
  22. When you have a receiver in the system it is no...

    When you have a receiver in the system it is no longer a critical charge unit. A proper charge is having the pick-up tube in the receiver covered in liquid under all operating conditions. Most...
  23. Replies
    1
    Views
    328

    Frozen Dampers

    We have had issues while freeing up frozen economizer dampers on large air handlers with odors in the building from the lubricant we use. Liquid wrench seems to work the best but stinks the most. ...
  24. Replies
    5
    Views
    743

    You will need to pressurize it, locate and repair...

    You will need to pressurize it, locate and repair the leak(s). Tell your boss to calm down, when new equipment fails on start-up there will be a labor and material allowance from the factory. It...
  25. Thread: R-438a

    by TAC Service
    Replies
    0
    Views
    828

    R-438a

    Has anybody used Dupont ISCEON M099 (R-438a) refrigerant as a direct replacement for R-22 yet ? If you have, what size system and how did it work ?

    Thanks
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