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  1. An ex-jci coworker stopped by, straightened me...

    An ex-jci coworker stopped by, straightened me out. He claims the controllers are a decent setup, just my lack of familiarity with them is the problem.... few minutes later he was cursing and...
  2. Thank you! I am going to look into getting...

    Thank you! I am going to look into getting m-tools and everything else i need from my distributor. Appreciate the heads-up.
  3. Got busy and forgot about posting this...

    Got busy and forgot about posting this question....


    It was the "-".
    Used HD*O or $2d or something and it worked.
    Was glad that job was done... until i got to the next one. ;)

    Thanks for...
  4. Chiller plant control program JCI n2 9100's (i'm not a JCI guy)

    Hey,
    I'm in a jam.
    Am replacing a JCI front end controller with a Jace. N2 network.
    I know little about JCI or N2 (took over one JCI N2 network with a Jace a few years ago, just a few air...
  5. AX - use program service to add PXviews to desired VAV units (child.child slots or??)

    I need to assign pxViews to the VAV's on this site, pretty much everything else is done... wanting to move to next job :) .

    What i have is three types of VAV's: DualDuct, SingleDuct with Electric...
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    So I got the slick locks the other day. They...

    So I got the slick locks the other day.

    They are very slick. Install was easy, just had to dig up some torx sockets. Maybe 15 minutes to install both. Definitely a good deterrent to thieves. ...
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    SlickLock rear storage security.

    This. Or similar.

    Any opinions on them?
    I am slightly concerned about those 4 little bolts being all that seperates a thief from our tools... but i reckon this would deter the honest, which is...
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    I will take a crack at this one.... Do not know I...

    I will take a crack at this one.... Do not know I will be of much help though.

    Comm4 or comm5 vav's?
    Vav1'2,3 or 4?
    It basically depends.
    What version of summit?

    Yes the 'bcu' can have...
  9. One thing just dawned on me...... The vav's...

    One thing just dawned on me......

    The vav's have a zero minimum flow. (fun with vv550's)
    It is cold out.
    Hmmmmmm....
    Could be that the floor requires no cooling, so ahu is not really doing any...
  10. Thank you for all the replies. I will be...

    Thank you for all the replies. I will be returning to job tomorrow finally to start up one pair of the new ahu's.

    Fans run at same speed, control loop in one mp580, speed is sent to other ahu...
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    Yes it is unlike trane.... But I reckon they had...

    Yes it is unlike trane.... But I reckon they had their reasons.

    The work around....
    This is with summit, but should be possible with in other environments.
    The setpoints remain the same, set at...
  12. Ahu's, common return via mechanical room, common...

    Ahu's, common return via mechanical room, common outside air via mechanical room fresh air min, common ducted supply ducts... Not ideal situation at all.

    The load seems very varied, at least at...
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    Tracer summit no longer ships with separate...

    Tracer summit no longer ships with separate training manuals. The manuals are available on the pc after summit is installed.
    Start....programs......tracer summit......manuals. They are in PDF...
  14. One setpoint, control steam and chw valves to a single setpoint.

    So, I inherited this building. Installing new controls on Ahu pairs. Spec calls for both the chw and steam valves control to a setpoint of 54degF. No dead band....
    So... How would you accomplish...
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    Tracer summit help file says something similar...

    Tracer summit help file says something similar to:
    Rut initiate and terminates must be set at keypad, only the dwu set point can be adjusted by summit.

    And oh boy it was figuring out that the dwu...
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    I agree cig's are stinky... and i smoke. I...

    I agree cig's are stinky... and i smoke.

    I throw my butts out of the window (didn't i just say they are stinky!, the Fark i want that in MY vehicle for?).

    But my question is: The roads are...
  17. Derndit! I just bought the small one without...

    Derndit!

    I just bought the small one without the clutch for 149.00 at home depot.

    I'm gonna have to see about returning and swapping now!




    But it is a great tool! Haven't used the...
  18. Thanks, Most importantly is that it is fairly...

    Thanks,

    Most importantly is that it is fairly common... thought i was dreaming up something weird.

    Sorry i posted in wrong section. I will get'er dun.
  19. cool! So the local a/c supply house won't...

    cool!

    So the local a/c supply house won't laugh at me when i ask for one (or 2)?

    Any one have technical sizing tips?
  20. In-Duct Hydronic Backup Heater for heatpump

    I have a goodman/frigidaire 2.5 ton heat pump, without any electric heat.

    Well my in-floor radiant heat took a dive, and i'm not digging up the concrete floors to fix it.

    Can an in-duct...
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    Only the marine ones are worth anything... and...

    Only the marine ones are worth anything... and even those ya gotta keep a cork around incase the plug decides to fall off.

    But these are much better cooler kits:...
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    No sir, haven't run the line set yet. Haven't...

    No sir, haven't run the line set yet.

    Haven't placed the unit yet in it's place yet. Hopefully tomorrow i will get to that. For today i just purchased stuff, installed 6" to 5" reducers, made...
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    Just a back at ya, just to rib ya: If i run a...

    Just a back at ya, just to rib ya: If i run a monthly on a Liebert unit, and suction temp == 72', and discharge temp == 73', and setpoint is 71', what is the first thing i should check as to the...
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    yes indeedy, duely noted. i figure i'm just...

    yes indeedy, duely noted.

    i figure i'm just gonna get this thing fired up so i don't sweat nads at nite. And go from there. I'll report back honestly, heck, if it blows up and the house burns...
  25. Replies
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    The beginning of this is baffling me. I have 2...

    The beginning of this is baffling me. I have 2 12" supply line (teed off of plenum basically), which is my trunk........ ?

    I have 14 5" takeoffs. I dont' know where you came up...
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    Everything we work on is 3 phase. (so if i'm a...

    Everything we work on is 3 phase. (so if i'm a little off... i'm out of practice entirely on single phase) (the following is what little i remember from my 3 saturdays of residential class at...
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    I HAVE responded to this claim of yours twice...

    I HAVE responded to this claim of yours twice now.

    Please, I have done my best to explain to you that a prominent mechanic at my work did a load calculation on my home.

    Was it manual J? I...
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    I've been an apprentice in the HVAC trade for 1...

    I've been an apprentice in the HVAC trade for 1 year, at a service company for large corporation. I've touched 1 split system in the field with a pro... and it was a 5 ton, about 30 feet in the air...
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    Yes sir, I am. And it's very tight in there.

    Yes sir, I am.

    And it's very tight in there.
  30. Replies
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    helpful, thanks!

    helpful, thanks!
  31. Replies
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    If i could get the 12" round to go directly...

    If i could get the 12" round to go directly through the air handler, then i would love to.

    It's only 18" up, and 18" back down....
    I've seen "PRO'S" have 8 foot up, down, up, down, up, down with...
  32. Replies
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    I'm thinking you missed my reply, last post on...

    I'm thinking you missed my reply, last post on page 4.
  33. Replies
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    You sound like a guy who knows what he's talking...

    You sound like a guy who knows what he's talking about with sheetmetal fab... or atleast you got the lingo down!

    Didn't mean the 45 is off the trunk takeoff, it's off the register boot, (it will...
  34. Replies
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    Oh, sorry to confuse ya... i'm just looking at...

    Oh, sorry to confuse ya... i'm just looking at what is available online. I'm buying locally (about a mile from home).
  35. Replies
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    Some of my thoughts on digital paper:...

    Some of my thoughts on digital paper:
    http://img.photobucket.com/albums/v494/whanso1/SideViewTrunk.jpg
  36. Replies
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    I'm assuming that going from 12" round to 5"...

    I'm assuming that going from 12" round to 5" round i need to use "tee saddle - 90 degree"???

    5 - SADDLE- 45 5" 12 54500 2
  37. Replies
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    found em': gray metal products catalog:...

    found em':
    gray metal products catalog:
    10x6x6-BCH 10X6 - 6 12 66320 1
    Oddly enough, it's called a 'ceiling register head'. Well imagine that!

    I'm only seeing them up to 6" though. (though...
  38. Replies
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    I did not notice any 'flat throat' ones at the...

    I did not notice any 'flat throat' ones at the store. I'm sure they exist, but i missed them. Would have been good to know, but kinda too late now... unless the 5" doesn't work out at all. I will...
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    I guess something i don't understand is this: ...

    I guess something i don't understand is this:

    the supply side, comming off the unit is meant to be 12.5" x 13". which would give 950 cfm @ 950 fpm (fast and noisy huh)
    Which... accroding to the...
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    well... i certainly appreciate all of your help. ...

    well... i certainly appreciate all of your help. kept me from making a few great big uh-ohs for sure!

    I'll go with the 12". and for now (since they are already installed) i'll go with the 5". ...
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    Hmmm, http://www.nordyne.com/Literature/834a.pdf...

    Hmmm, http://www.nordyne.com/Literature/834a.pdf help at all?
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    ok, cool. I'll ask a neighbor next time i see...

    ok, cool. I'll ask a neighbor next time i see one out and about goofing around.

    as far as the air chart: this if for an 'A' cabinet for variable speeds (which mine is not i don't think):

    ehh...
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    I'll take a pic when i locate my digi cam. But...

    I'll take a pic when i locate my digi cam. But wasn't so much the size of the duct that limited it to 5", but the size of the register boot.

    But yah, i guess i got some kind of problem. ...
  44. Replies
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    Oval pipe, sure i've heard of it. but you...

    Oval pipe, sure i've heard of it. but you clearly stated 8" round in a 7.5" space......

    flex pipe, yup, heard of it... but ya squish it in there and ya got more FR of an unknown quantity and...
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    If a 2x8 piece of lumber with 16" on center...

    If a 2x8 piece of lumber with 16" on center leaves us with an opening 14.5" wide by 7.5 inches tall... you were squishing that 8" pretty well in there. and with my insulation on it to boot, would...
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    I was relating the fact that 2.5 tons was working...

    I was relating the fact that 2.5 tons was working well in very similar houses (not that it should be a real consideration, but hey, it made me feel better about the choice for sure). and was...
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    I also figured (i dunno for sure, read this a few...

    I also figured (i dunno for sure, read this a few places) that 600- 850 out of the duct is preferrable, to draw air across the entire wall or heat source as it may be. So for that reason i figured...
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    A guy at work, my boss basically, did a manual J...

    A guy at work, my boss basically, did a manual J (or was it N??) i don't remember, on my house. He has also done work in the neighborhood of my house and to toot his horn he knows his stuff. He...
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    this is exactly why i started that sentence with:...

    this is exactly why i started that sentence with: "NOT THAT IT MATTERS BUT".

    and i don't see what dirty condensers have to do with unit sizing.??
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    school me, what is a .3 or .4 TESP? heck, what...

    school me, what is a .3 or .4 TESP?
    heck, what is a TESP? got a linky link?

    I'm assuming it is static pressure; but regardless i'm not seeing any such listed in my booklet.
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