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  1. York YPAL ECO2 Proper SAT Control HELP.

    Hi,

    Has anyone bumped into this issue? We have 6 100ton York ECO2 AHU's that have been configured for VAV operation. What are the points I need to write to get it to control to SAT STPT....
  2. Thx, couldn't find that particular doc, worked...

    Thx, couldn't find that particular doc, worked just as described. Appreciate it.
  3. Replies
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    234

    06A Certification Exam

    Hi,

    Got my NEC 2014 code book and ready to study. I don't assume the entire book will be on the test, but which sections are? Do you have a 2014 NEC study guide? I reside in Washington.
  4. I tried and wrote to nviDACLSP at 65F and...

    I tried and wrote to nviDACLSP at 65F and nviDAHTSP 60F in the above example. i also tried setting them 10F apart, and not taking my setpoint, at certain times of the day, the setpoint will fall back...
  5. Replies
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    337

    Sunbelt Controls is another distech dealer.

    Sunbelt Controls is another distech dealer.
  6. In the above example. i'm writing to nviSetpoint...

    In the above example. i'm writing to nviSetpoint of 65F, and nvoDischAirTemp is at 54F with 100% open econo. I tried modified occupied cooling/heating Cp points as well as nvis. unit not responding.
  7. Yes, it is LON. thx for the assurance. I peeled...

    Yes, it is LON. thx for the assurance. I peeled another sticker of another AHU and it said echelon. I discovered and added the points. Only issue is I can't get the discharge air reset to work, other...
  8. The board has the following part #: MQ-COM1203-0...

    The board has the following part #:
    MQ-COM1203-0

    I Can't find anything on this number.
  9. That would simplify things, but no it's not LON,...

    That would simplify things, but no it's not LON, Plug has 3 terminal prongs, LON has 2, in any case, it's not LON because I peeled the white stickers on another AHU, and no mention of echelon
  10. Well, the comm connects directly to a siemens NET...

    Well, the comm connects directly to a siemens NET port, no OPM panel.
  11. Replies
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    2,993

    The amount of F bombs, and S phrases were flying...

    The amount of F bombs, and S phrases were flying around, just made that place interesting to work. Roofers cursed like sailors. Some of the words exchanged, I have never heard of.

    Don, nice to see...
  12. Replies
    27
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    2,993

    HAHA, nice, I was doing the hvac controls. I...

    HAHA, nice, I was doing the hvac controls. I thought those air handlers looked familiar.
  13. Replies
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    631

    WebCTRL has that built in, its a licensing thing...

    WebCTRL has that built in, its a licensing thing that gets added as a feature. Regular Enterprise license won't give you the superset features.
  14. What protocol is this McQuay card using?

    Hi,

    I can't find any information on this comm card, hoping someone here can help. We're ripping out a siemens apogee 600 system, with a tridium front end.

    There are (3) 25-50 ton air...
  15. Thread: Apple watch

    by access_max
    Replies
    1,512
    Views
    42,239

    My trash can has an apple logo.

    My trash can has an apple logo.
  16. Thread: Apple watch

    by access_max
    Replies
    1,512
    Views
    42,239

    Ummmm. Ok. Lol. Apple watch is...

    Ummmm. Ok.






    Lol.

    Apple watch is over rated. I have a android wear watch that my wife got me for Christmas and love it.
  17. Replies
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    1,485

    Well that was for resi applications. Guess what...

    Well that was for resi applications. Guess what you're looking for is a full fledged econo control which I haven't seen either.
  18. Replies
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    1,485

    Sure there are. My pops house has a motorized 6"...

    Sure there are. My pops house has a motorized 6" two position damper that opens anytime the unit is in operation to provide fresh air with the mixed return air.

    It's simple as hooking up the...
  19. SAT Reset on a Carrier Weather Maker 50DK084 600 CH AHU

    Hey Guys,

    We are currently converting a medical building over to ALC, and they have two carrier weathermakers "50DK084 600 CH" Air handlers and I got almost everything cutover but can't find in...
  20. Is it more economical to run gas heat? or heat pump? during morning warmup

    Here's my setup, I live in Tacoma, Washington, which currently during the next few nights will be in the lower 35's. I have a 80,000 btu gas furnace, and a 3ton heatpump that serves a 2,100 sq ft....
  21. One thing to watch out for is when you switch...

    One thing to watch out for is when you switch from ZN141 to a ZN341 depending on what version of W.C. you have you must change the controller type in site builder in the network tree from ZN341 to a...
  22. I know that this is not a DIY forum, but thought...

    I know that this is not a DIY forum, but thought I'd mention it.

    Well, Like I said I was going to post back with results, I apologize to resurrect an older thread. But, Got my board and thought...
  23. Needed the confirm that it will be compatible,...

    Needed the confirm that it will be compatible, but thx I'll order and post back with results.
  24. Yeah I saw the link was removed, but go to google...

    Yeah I saw the link was removed, but go to google and search "rheem demand defrost control board" and it's the first link from amazon, I was going to purchase this one.

    I work on hvac controls as...
  25. why would it be proprietary? isn't it sensing...

    why would it be proprietary? isn't it sensing coil temp and oa temp and goes into defrost if it needs to, i mean it shouldn't matter, but I'm probably looking at it a different way. What makes it...
  26. So, I've looked into the demand type defrost...

    So, I've looked into the demand type defrost boards and considering purchasing a demand type but after searching google, found that rheem makes one, and york also makes one, but my heat pump is a...
  27. I don't have electric strip heat, and gas heat is...

    I don't have electric strip heat, and gas heat is disabled. So the only heat I have is the heat pump.
  28. Hmm, you're right, they are half the cost of the...

    Hmm, you're right, they are half the cost of the demand defrost. I'll look into that. May even be worth purchasing since during defrost I drop a whole 1F+. Thanks, wasn't aware of it.
  29. No, 72 is comfortable during the day, but when I...

    No, 72 is comfortable during the day, but when I go to bed, my window is cracked open, bedroom door shut, and house heat off. But now I'm keeping my house 65F during the night, so the heatpump heats...
  30. Hmm, where I live (Tacoma, Washington) heat pumps...

    Hmm, where I live (Tacoma, Washington) heat pumps make a whole lot of sense Last winter of '12 I only had gas heat, and gas bill was roughly $130+/month. I installed the heat pump this summer '13 and...
  31. Thanks to all for the reply's, opened my eyes to...

    Thanks to all for the reply's, opened my eyes to the way a dual fuel system should work. That's the way i set up the stat config, to cut off at 25F oa temp and use aux heat.

    I looked at my defrost...
  32. Guess I'll get a tech to come out and hook up the...

    Guess I'll get a tech to come out and hook up the gas, but what your'e saying is that I can use the gas heat even when my defrost lasts 4-5 mins?
  33. WHOA second opinion, That was like a sledge...

    WHOA second opinion, That was like a sledge hammer of information. Didn't think of it, here's another thing The furnace does have a gas heating, but not hooked up. would that be sufficient? is it...
  34. by shutting down the blower I wont be blowing...

    by shutting down the blower I wont be blowing cold air into the house during defrost



    what'd you mean by that? 10F to much for a night setback?
  35. Heat Pump supplying cold air during defrost cycle.

    Hello,

    I have a 18 seer 3 ton amana heat pump with a 3 ton coil and a 2100sq ft. house, this past few days the weather has been cold enough (22F) for the heat pump to go into defrost every 60 mins...
  36. Replies
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    Have you looked into a nest thermostat? Keep...

    Have you looked into a nest thermostat? Keep reading nice reviews about them and the ease of use.

    Sent from my SCH-I535 using Tapatalk 2
  37. Thread: Tankless

    by access_max
    Replies
    17
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    3,966

    Agreed, cheaper to repair a cheaper hot water...

    Agreed, cheaper to repair a cheaper hot water tank, than spend more upfront on a nifty tankless loaded with features that will break at some point that costs $$$ to fix, and bam, all the savings you...
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    Costco sells 3 pack 200 lumens each flashlight...

    Costco sells 3 pack 200 lumens each flashlight for $20. Best deal I found. Bought a pack and still have 2 left on my truck as spares. Had it over 5 months and works like a champ.

    Sent from my...
  39. Yep, after reading your new post, it seems to me...

    Yep, after reading your new post, it seems to me that he closed port 80 in his firewall server, and opened port 3389 which is the port used to connect remotely.

    What I think it will come down to,...
  40. Replies
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    I'm up for that. Sent from my SCH-I535 using...

    I'm up for that.

    Sent from my SCH-I535 using Tapatalk 2
  41. Yeah, there are a few things you can try, I work...

    Yeah, there are a few things you can try, I work for a ALC dealer that installs WebCTRL and the go to guy when it comes to any comm issues, especially remote connectivity issues. I ran into the same...
  42. Thread: Tankless

    by access_max
    Replies
    17
    Views
    3,966

    Isn't it the same issue with a tank water heater?...

    Isn't it the same issue with a tank water heater?

    Sent from my SCH-I535 using Tapatalk 2
  43. Thread: Tankless

    by access_max
    Replies
    17
    Views
    3,966

    Just out of curiosity, what are the energy...

    Just out of curiosity, what are the energy savings between a tank heater and a tankless? And the price between the two.

    Nice, clean install though.

    Sent from my SCH-I535 using Tapatalk 2
  44. Thread: Work boots!

    by access_max
    Replies
    122
    Views
    23,588

    Agreed. Keen boot are by far the best ones. I...

    Agreed. Keen boot are by far the best ones. I tried, Red Wing, Wolverine, Caterpillar, and.etc. spent 4+ hrs at work n' more, the store assistant was ready to quit her job, after helping me, and...
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    Good luck out there. Sent from my SCH-I535...

    Good luck out there.

    Sent from my SCH-I535 using Tapatalk 2
  46. Replies
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    3,169

    Thanks @amigo, exactly what we are looking for....

    Thanks @amigo, exactly what we are looking for. Appreciate the help and responses from others.

    Sent from my SCH-I535 using Tapatalk 2
  47. Replies
    6
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    1,618

    This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  48. Replies
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    7,880

    Slow and steady always wins the race. Sent...

    Slow and steady always wins the race.

    Sent from my SCH-I535 using Tapatalk 2
  49. That's essentially what I did, I set the stpt of...

    That's essentially what I did, I set the stpt of the MAT to 45 and controls is backing off of OA before the freeze trips, essentially maintaining 45 SA. And unit works great. Thx for all who helped. ...
  50. Replies
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    3,169

    Metasys closed N2 protocol.

    We have a site that has metasys controllers boards, and talking with Johnson controls rep, they say that this system is a closed n2 protocol system, meaning a third control system ,(ALC) can't...
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