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  1. Thread: New shop..

    by tech45
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    61
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    4,175

    That is awesome man , I agree with the chickens...

    That is awesome man , I agree with the chickens idea too , lol.
  2. If this is an R2 system you will have to place it...

    If this is an R2 system you will have to place it in the pump down mode ( SW4 on most ). I would guess that a Y series might have this as well for the indoor solenoids.
  3. Replies
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    2,223

    A co worker of mine got this set recently. The...

    A co worker of mine got this set recently. The clamps seem nice and the pieces seem well made. It compiles a nice report also. Really good bang for the buck from what I have seen.
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    414

    They work fine for anything other than natural...

    They work fine for anything other than natural gas. I'm sure someone will mention that they are not good for a 10,000 psi hthw system or something . I do not know why they are called a merchant...
  5. Thread: WAZE APP

    by tech45
    Replies
    40
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    1,719

    The layout and overall user interface was much...

    The layout and overall user interface was much better in the previous version ( pre Google ) , but it remains the only GPS that understands the beltway and it's connecting interstates especially 270...
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    Trane / Samsung permits the use of driers for...

    Trane / Samsung permits the use of driers for system clean up but I do not know about Daikin or Mitsubishi. The Daikin inverter compressor that I did a couple years ago just got a nitrogen purge...
  7. Replies
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    51,684

    RIP Lemmy ...

    RIP Lemmy

    https://www.youtube.com/watch?v=qeHkgKDo-aE&list=PLJJKvAeu7rM302YZSoZqc3z3zIHJEsUrz
  8. The only other tools that I can think of is a...

    The only other tools that I can think of is a control screwdriver and an airline ticket to St. Paul for a Tracer Summit 101 class.
  9. Thread: Pump switching

    by tech45
    Replies
    6
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    685

    The Tekmar is the easiest for sure. If you have a...

    The Tekmar is the easiest for sure. If you have a set controls vendor in the buildings ( Trane , JCI , etc. ) they can do some neat things with programmable controllers. A Trane MP -580 comes to mind...
  10. Thread: Nice Find

    by tech45
    Replies
    39
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    4,255

    Man those are awesome. That Robertshaw manifold...

    Man those are awesome. That Robertshaw manifold used to be on my dream tool list along with a Fluke 87 ( series 1 ) and a 123 scope meter. I don't deal with any receiver controllers but I would bring...
  11. Replies
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    921

    A heat pump configuration will not do...

    A heat pump configuration will not do simultaneous heating and cooling between indoor units.

    A heat recovery R-2 system using BC controllers will allow for different modes for different indoor...
  12. Thread: economizer fail

    by tech45
    Replies
    13
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    3,319

    And I always gripe when my people don't order the...

    And I always gripe when my people don't order the factory installed and here....nevermind lol.
  13. Thread: Daikin

    by tech45
    Replies
    7
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    1,919

    Really awesome job. Those are alot of work man ,...

    Really awesome job. Those are alot of work man , you have the VRV side out in the space and have to worry about the hydronic side in the mechanical room. And the tie in connection piping is so...
  14. Replies
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    1,929

    Sabbath is about 25 years too late for their...

    Sabbath is about 25 years too late for their retirement as far as I'm concerned. As for the Slayer , note my location in the upper right.
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    943

    That is a nice error list , thanks.

    That is a nice error list , thanks.
  16. Replies
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    14,854

    I was at a car show / swap meet in the early 90's...

    I was at a car show / swap meet in the early 90's and one of the vendors was brazing aluminum. He was advertising the torch he was using , a small handled oxy-accet. that he made ( probably the...
  17. Replies
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    Sounds a little low to me , perhaps a few more...

    Sounds a little low to me , perhaps a few more meters per square inch is required ? :patriot:
  18. Replies
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    4,288

    The 1/4 inch size on mine gives me problems...

    The 1/4 inch size on mine gives me problems staying clamped in sometimes ( the red handle model that pre dates this never had this problem ). Other than that it works well for me.
  19. Replies
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    17,269

    Or that the room is now able to have a complete "...

    Or that the room is now able to have a complete " Air Change " that by adding the active return is now able to occur .
  20. Replies
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    17,269

    Central supply with returns in each room , lol. ...

    Central supply with returns in each room , lol.

    I helped a friend change out a system in his house this year. The ducting is old and supply outlets are on the interior and the returns are on the...
  21. Replies
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    17,269

    The fact that multiple rooms are served by 1...

    The fact that multiple rooms are served by 1 controller ( and 1 heating or cooling cycle ) I would say that a multiple return system has the best chance of achieving a more even level of comfort...
  22. Replies
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    I guess I would make sure that the BC port...

    I guess I would make sure that the BC port address dial is set to the correct number on that indoor unit. I would then do an auto search of the system and see if the unit address comes up and note...
  23. Thread: York RTU Issue

    by tech45
    Replies
    28
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    4,283

    I am in agreement with the late 1990's equipment...

    I am in agreement with the late 1990's equipment and yes every manufacturer has some dirty stuff out there. I have a project with 30 Simplicity RTU's less than a year old with the same old problems...
  24. Thread: York RTU Issue

    by tech45
    Replies
    28
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    4,283

    I just don't see that happening across other...

    I just don't see that happening across other brands though. This has to be deliberate and calculated for some reason that benefits someone. A piece of DIN rail and a few idec relays is an upgrade...
  25. Thread: York RTU Issue

    by tech45
    Replies
    28
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    4,283

    I never thought about it until now that there is...

    I never thought about it until now that there is a guy somewhere who designed the 1-A board. A boss who thinks he did a great job , probably drives a Benz , sleeps well at night , 12 weeks paid...
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    2,053

    This could be weird if it started like this.

    This could be weird if it started like this.
  27. Replies
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    2,053

    It may be as easy as removing that 1. Weird that...

    It may be as easy as removing that 1. Weird that it ran though.
  28. Replies
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    2,053

    You can see from all of the " Not" blocks that...

    You can see from all of the " Not" blocks that someone was fighting their way through instead of looking at all of the options. I would re-write this using the feedback alarm if it were me. Here is...
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    edit .. that is weird.

    edit .. that is weird.
  30. Replies
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    2,053

    Sorry I see that block is wired my mistake. And I...

    Sorry I see that block is wired my mistake. And I was mistaken about " OR " also.
  31. Replies
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    2,053

    Just some basic first glance stuff , 1)...

    Just some basic first glance stuff ,

    1) Increase the page size to the largest 11 x 17. This is done in file / program properties I believe.

    2) I have not done much with the De-enumerate block...
  32. Replies
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    2,701

    Maybe it is best to not start the PID UNTIL a...

    Maybe it is best to not start the PID UNTIL a measured variable is present for something like a fan or pump. I see this a lot too ( factory programs ) with a status input as the enable.
  33. Replies
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    Thanks. I see this used often enough so I'm going...

    Thanks. I see this used often enough so I'm going to assume that the fail occurs somewhere towards the end of the program run time ( or enough time for a measured variable to be produced ) ? I am...
  34. Replies
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    Could someone explain the " Fail " connection on...

    Could someone explain the " Fail " connection on the PID block please ? I often see a " fail block " connected here and wired to the measured variable. Is this checking for an analog value of " 0 " ?
  35. Replies
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    From what you described it sounds like the...

    From what you described it sounds like the problem is with the economizer controller or associated sensors . Outside air versus mechanical cool is a function of the econ. controller.
  36. Thread: Daikin VRVIII

    by tech45
    Replies
    3
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    923

    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...
  37. Replies
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    1,427

    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.
  38. Thread: Aaon unit

    by tech45
    Replies
    10
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    2,325

    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...
  39. Replies
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    3,657

    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...
  40. Replies
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    1,655

    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...
  41. Replies
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    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...
  42. Replies
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    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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    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...
  44. Replies
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    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...
  45. Replies
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    1,423

    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 "...
  46. Replies
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    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.
  47. Replies
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    529

    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...
  48. Replies
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    1,352

    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...
  49. Thread: daikin VRVIII

    by tech45
    Replies
    6
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    1,104

    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...
  50. Replies
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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/
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