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  1. Replies
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    I used the " trial and error " method ( 7/8 and...

    I used the " trial and error " method ( 7/8 and smaller ) when I worked with soft copper with lever style and when the REMS ratchet bender came out. I had made my own chart for different combinations...
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    467

    I'm imagining that as the last branch valve...

    I'm imagining that as the last branch valve closes the pump is still moving fast enough to cause a drop in pressure in the main ( or wherever the prv is connected ). As far as " the point of no...
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    467

    It seems to be an engineering trend lately for...

    It seems to be an engineering trend lately for variable speed pumping with two way valves only ( no bypass ). It works great until a pressure transmitter fails on a Friday evening when no one is...
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    467

    I was wondering if connecting the make up line...

    I was wondering if connecting the make up line into the expansion tank piping might make a difference ( if it isn't already ) ? My thought being that if the tank line is truly the " point of no...
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    353

    I was hoping to see a reply on this as well ,...

    I was hoping to see a reply on this as well , interesting topic I don't ever remember seeing before.

    I guess any coils or vessels with water should be drained , electrical service removed or...
  6. I'm just repeating what I've heard , OSHA or...

    I'm just repeating what I've heard , OSHA or insurance companies ? Either way I have not seen a " new " one in a long time. And I believe that the one I used had a brand name ( or model ) of "...
  7. These things were cool but outlawed many years...

    These things were cool but outlawed many years ago. I've always known them as " Superman Lifts ". The first time using one was kind of tense , but never any problems after that.
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    223

    You might want to post this in the controls forum...

    You might want to post this in the controls forum later if you don't get an answer here after awhile. Make sure to mention " Carrier 3V " I believe is the proper name for this.

    I can't stand those...
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    Regarding frequency , 20 hz for pumps is the...

    Regarding frequency , 20 hz for pumps is the minimum speed mentioned by both ABB and Bell and Gossett. Just mentioning for conversation , I wonder if there really is a considerable difference of...
  10. Thread: daikin VRVIII

    by tech45
    Replies
    6
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    575

    I know that you mentioned the field settings (...

    I know that you mentioned the field settings ( wall control ) but is it possible that the fan is cycling on a call for cooling / heating ? There is a field setting to run the fan continuous during...
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    Here is one that will work. ...

    Here is one that will work.

    http://bellgossett.com/selection-sizing-cad-tools/system-syzer/end-user-license-agreement/
  12. Replies
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    I vote to stick with the original , Turbo. I also...

    I vote to stick with the original , Turbo. I also like that new roller tote they hay have for the B tank rig. A coworker had one on the job recently and I was giving him a hard time about it until we...
  13. Thread: Name that Tune

    by tech45
    Replies
    89
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    2,825

    Men At Work... I hated anything top 40 back then...

    Men At Work... I hated anything top 40 back then but that song was an exception for me. Brilliant note selection and arranging.
  14. Replies
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    1,689

    On a new clean system the oil will stay clear (...

    On a new clean system the oil will stay clear ( or it should as long as the manufacturer and install tech were clean with their work ). The only difference is that on the TEZ 8 you can identify this...
  15. Replies
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    1,689

    The value comes in when you get on a system that...

    The value comes in when you get on a system that is wet or dirty. The fact that you can change the oil quickly or even identify the condition of the oil at a glance are features that are not offered...
  16. Thread: VRF

    by tech45
    Replies
    86
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    6,190

    There is a new service pack for Tracer Summit...

    There is a new service pack for Tracer Summit released last week and ARCNET is no longer supported.
  17. Replies
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    197

    Aaon can be tough to deal with at times unless...

    Aaon can be tough to deal with at times unless you are in tight with a good distributor. However , there are no " on the shelf " units from them and the blower drive is selected based on customer...
  18. Replies
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    This is correct , and just to explain further , ...

    This is correct , and just to explain further ,

    when the fans are turned on and off, the liquid line pressure after the condenser coil ( or receiver ) fluctuates, which may cause the...
  19. Thread: VRF

    by tech45
    Replies
    86
    Views
    6,190

    If that refnet question was serious , ... the...

    If that refnet question was serious , ... the answer is no. 40 inches from the outlet of the first to the inlet of the second. A little Mitsubishi humor in my last post , not sure where this thread...
  20. Thread: VRF

    by tech45
    Replies
    86
    Views
    6,190

    Replacing them with a BC Controller may be the...

    Replacing them with a BC Controller may be the best option.
  21. Thread: Hose gaskets

    by tech45
    Replies
    19
    Views
    1,612

    I thought the same thing as I was trying every...

    I thought the same thing as I was trying every which way to get the dang thing into the socket. I grabbed the biggest allen wrench I could get in and was determined just to ruin the hose and toss it...
  22. Replies
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    1,878

    So it seems that any statement made against it's...

    So it seems that any statement made against it's use as well.

    I've been installing a lot of foreign brands lately that don't allow filter driers and contain fairly expensive parts , so other...
  23. Replies
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    1,878

    ... and then there is the flux , flowing by means...

    ... and then there is the flux , flowing by means of capillary action the same as the filler. I'm guessing that we all heat the joint as to promote a full socket filler material weather brazing or...
  24. Thread: AAON wattmaster

    by tech45
    Replies
    3
    Views
    272

    Are you connecting with a service manager /...

    Are you connecting with a service manager / service tool or Prism ? Have you tried leaving the user interface unplugged for say a day and connecting again ?
  25. Thread: AAON wattmaster

    by tech45
    Replies
    3
    Views
    272

    This sounds like a firmware or EPROM issue....

    This sounds like a firmware or EPROM issue. http://www.orioncontrols.com/a/contacts/
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