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  1. Thread: Daikin VRVIII

    by tech45
    Replies
    1
    Views
    94

    A solid H3P is saying that the D3 Network is...

    A solid H3P is saying that the D3 Network is ready with no communication errors.

    E5 is BAD man , I have only seen it once and I ended up having to change the inverter compressor. There are...
  2. Replies
    10
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    272

    I used to turn the canvas to metal seams up 90...

    I used to turn the canvas to metal seams up 90 degrees. Makes for an easier connection and looks more defined.
  3. Thread: Aaon unit

    by tech45
    Replies
    9
    Views
    337

    This sounds correct. MUA macro , economizer = no...

    This sounds correct. MUA macro , economizer = no , and some neutral temp. somewhere around 70. The newer System Managers seem to operate a little different lately than they used to. After entering a...
  4. Just a f.y.i. I have been using JB oil in mine...

    Just a f.y.i. I have been using JB oil in mine for a couple of years now. I'm sure that the Appion oil is better I am just not organized enough to remember to order it. I use the Appion evacuation...
  5. Replies
    9
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    665

    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...
  6. Replies
    17
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    828

    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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    828

    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...
  8. Replies
    17
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    828

    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...
  9. Replies
    4
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    469

    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...
  10. 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 "...
  11. 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.
  12. Replies
    2
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    257

    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...
  13. Replies
    12
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    610

    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...
  14. Thread: daikin VRVIII

    by tech45
    Replies
    6
    Views
    637

    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...
  15. Replies
    1
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    338

    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/
  16. Replies
    5
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    563

    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...
  17. Thread: Name that Tune

    by tech45
    Replies
    89
    Views
    3,129

    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.
  18. Replies
    29
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    1,816

    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...
  19. Replies
    29
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    1,816

    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...
  20. Thread: VRF

    by tech45
    Replies
    86
    Views
    6,469

    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.
  21. Replies
    3
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    208

    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...
  22. Replies
    90
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    3,198

    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...
  23. Thread: VRF

    by tech45
    Replies
    86
    Views
    6,469

    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...
  24. Thread: VRF

    by tech45
    Replies
    86
    Views
    6,469

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

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

    by tech45
    Replies
    25
    Views
    2,225

    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...
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