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  1. humidifier canisters are a high maintenance item...

    humidifier canisters are a high maintenance item and are not to be ignored on routine maintenance inspections. Other types of units require annual canister replacements as a matter of course. ...
  2. 55 - 60 doesn't seem right especially since your...

    55 - 60 doesn't seem right especially since your neighbors are fine. Maybe someone measure the wrong pipe and gave you some bogus info.

    You just haven't found the right guy yet to accurately...
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    R410 replacements - you must have an eye to the...

    R410 replacements - you must have an eye to the future. You could fix one now but in 5 years the cost of R22 will make the decision for you. Better to bite the bullet now.
  4. occupancy sensors and a commercial zoning kit...

    occupancy sensors and a commercial zoning kit would work well here assuming a proper air balance and ducting design.
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    Hard Shutoff TXV on a heat pump

    Installing Carrier's KSATX0301 TXV kit on a heat pump.
    Pretty sure it's a re-badged sporlan/alco valve but the documentation is hard to find.

    I'm worried this TXV may not flow backwards in the...
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    1,750

    as far as noisy piping - I'd be looking for flow...

    as far as noisy piping - I'd be looking for flow control devices (auto flows, circuit setters, etc. Make sure they're installed and functional. Look over the whole system and keep in mind the...
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    1,824

    Yep, 2 coils 2d comp

    Yep, 2 coils
    2d comp
  8. Replies
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    1,824

    Yep, I did start there but it seems Hussman has...

    Yep, I did start there but it seems Hussman has yet to join the 21st century.
    I can call em on Monday but was hoping someone had a library or link.
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    1,824

    hussman literature

    Can anyone point me at a pdf for these hussman parts:
    cond unit HTSD0601LKE
    evap RSLE55-117

    Looking for specs so we can figure out how to make these
    parts work. Bought used, it's all in boxes...
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    If over the course of a career you save 20 hours...

    If over the course of a career you save 20 hours because of the tips, tricks, and rules learned in the courses - then definitely yes. The JCI instructors I've seen have been
    top notch often staying...
  11. Replies
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    4,629

    Yup. Size the ducts for each zone and the...

    Yup. Size the ducts for each zone and the returns properly. These systems need to breathe cause they don't have a bypass.
  12. Thread: FX40 setup

    by gbfromsd
    Replies
    6
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    702

    correct, these are TEC stats for heatpumps /...

    correct, these are TEC stats for heatpumps / conventional using BacNet MSTP.
    All devices were discovered successfully. Points were auto discovered as well. Thx for the links, will read up and...
  13. Thread: FX40 setup

    by gbfromsd
    Replies
    6
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    702

    FX40 setup

    Cant seem to grasp the basic concept of the FX40 and the manual su u u cks
    bad. Real simple setup 7 units on a schedule, need to modify setpoints and schedules from a network location. All 7...
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    1,616

    Awww, c'mon. They could do this in Australia...

    Awww, c'mon.
    They could do this in Australia with much the same results.
    If the average human IQ is 100 then 50% of those living don't know
    their a** from a hole in the ground. True of any...
  15. Thread: dinosaur

    by gbfromsd
    Replies
    16
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    3,485

    No, it's a robot prototype. They cut one loose...

    No, it's a robot prototype. They cut one loose 30 years ago and
    Lost in Space was born.
  16. Replies
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    2,633

    With left click only, control loops are snap man !

    With left click only, control loops are snap man !
  17. Replies
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    2,633

    unfortunately, with Vista and soon Win7 - we're...

    unfortunately, with Vista and soon Win7 - we're still stuck with XP and will be for the
    foreseeable future. Whatever you buy it needs to run XP or even Win2000.
  18. Replies
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    860

    You'll love it when you find a leak through the...

    You'll love it when you find a leak through the insulation on a very long lineset in the cieling while standing on the floor.
  19. Replies
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    1,319

    Heck no! I've pulled under 100 microns with oil...

    Heck no! I've pulled under 100 microns with oil that must have been a year old, unsealed. Once your pump heats up the moisture in the oil goes out the exhaust port. Granted, that was an...
  20. Replies
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    2,633

    Been using a Lenovo N3000 dual core for the past...

    Been using a Lenovo N3000 dual core for the past year and I love it - it frickin dishes it out man.
  21. Replies
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    7,495

    Forget honeywell, support after purchase sucks. ...

    Forget honeywell, support after purchase sucks. CCN is way over complicated. JCI takes way too long to set up but it is the only reasonable choice of the three.
  22. Replies
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    500

    That kinda stinks man. Are you using a relay...

    That kinda stinks man.
    Are you using a relay board or Comm4 to the unit?
    Temporary in the 15 other UCM boards with wall sensors
    only for the remaining zones - or use multiple zone sensors
    in...
  23. Thread: Johnson SCT

    by gbfromsd
    Replies
    3
    Views
    776

    SCT and CCT are both available as part of the...

    SCT and CCT are both available as part of the Mtools package, available only from your local distributor. Keep in mind you need to specify the version of SCT for your particular NAE's.
  24. Replies
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    1,775

    Yeah - Mitsu if you want top of the line...

    Yeah - Mitsu if you want top of the line performance at a price.
    You gotta put your ear on the sheet metal to hear the condensing
    unit. That's pretty slick . Top of the line price too.
    Fujitsu,...
  25. Replies
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    900

    I dunno about automating it, but here's what I...

    I dunno about automating it, but here's what I typically see on state/federal:

    Performance Verification Testing

    - food for thought
  26. Replies
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    thx man, there's hope. real simple, no...

    thx man, there's hope.

    real simple, no bindings. just a bunch of thermostats and a scheduler. probably take longer to configure the schedules than anything else.
    each room/area has its own...
  27. Replies
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    1,251

    yes but . . . whaddya think about 5.0 lonspec...

    yes but . . .

    whaddya think about 5.0 lonspec being ok with the 3.1 lonstation?
    and
    if lonstation reports a corrupt database when accessing the time
    schedules - then lonspec can fix this?
  28. Replies
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    580

    My opinion is not all blue tooth adapters are...

    My opinion is not all blue tooth adapters are created equal. My onboard BT won't work at all (IBM). Tried one from Fry's - no go. Finally found one at
    Radio Shack that works boo koo.
  29. Replies
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    I understand several of your points however . . a...

    I understand several of your points however . . a configuration tool of some sort is required to configure the w7750's for single or two stage etc. etc.

    In any other scenario the 15's disappear...
  30. Replies
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    1,251

    Thoughts on LonSpec

    Trying to find a solution to a broken system. Some time ago the computer hosting Lonstation died. The owner ignored my advice to image the harddrive and replaced the computer, copying the relevant...
  31. Replies
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    1,927

    No I have a request in that's 4 days old now....

    No

    I have a request in that's 4 days old now.

    Last request I made went completely unanswered.
  32. Replies
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    927

    things that come to my mind freezer compressors...

    things that come to my mind
    freezer compressors are typically 10 or 12:1 compression. Should cycle less frequently however starting amps will be higher offsetting some of the savings there. ...
  33. Replies
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    4,032

    supply fan failure: when the fan starts up it...

    supply fan failure: when the fan starts up it ramps to minimum speed then returns a proving signal before releasing to control. increase the vfd minimum speed if this proving sensor is flaky.
  34. Replies
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    can you point me at the website?

    can you point me at the website?
  35. Replies
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    583

    any links to that hardware? after further...

    any links to that hardware?

    after further looking, its an old version of lonstation. the lonspec installation is fubar and fixing it through that route might end up costing a couple grand so I...
  36. Replies
    5
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    583

    Busted Lon install

    7yrs old, this system uses Honeywell LonSpec / Lonstation. When trying to access the schedules, lonstation reports a corrupt database. Lonspec is no longer usable as the IT staff replaced the...
  37. Replies
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    620

    ideally, you want 22 gage for the mstp bus. ...

    ideally, you want 22 gage for the mstp bus. limitations in length and baud rate apply for substitutions. if your bus is short, then no problem.
  38. Replies
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    940

    hw valve is 0-10vdc

    hw valve is 0-10vdc
  39. Replies
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    940

    Yes, the box and heat are both grossly oversized....

    Yes, the box and heat are both grossly oversized. Room only needs 400cfm but due to the fans requires 2100cfm constant. We could throttle back the balance valve but at some point the room will...
  40. Replies
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    940

    the min/max are the same. cfm's are spec'd...

    the min/max are the same. cfm's are spec'd solely to makeup for what the exhaust fans remove. this cannot be changed, it's a lab area. the resulting draftiness makes the room unbearable and the...
  41. Replies
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    940

    Will this work?

    I have a small room served by a VAV with hot water reheat that gets way
    too much air to offset two exhaust fans. Problem is the room temp is typically
    what is coming out of the vent, be it 55...
  42. Replies
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    1,296

    That's a small freezer. If your customer is...

    That's a small freezer. If your customer is looking for top of the line, a relief would be nice - else it will be no problem unless you're running the box really really cold - say -10 degrees. Most...
  43. Replies
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    1,296

    Not sure where you'd draw the line on that. I...

    Not sure where you'd draw the line on that. I seen boxes with and without. I always see them on large boxes. Maybe a mfr here can illuminate?
  44. Replies
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    1,296

    Don't forget, that heater needs to run under the...

    Don't forget, that heater needs to run under the threshold too.
    That box should have an air relief as well. If it was originally a w/i cooler, it may not have one. No problem if it's a small...
  45. Replies
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    2,142

    one thing they are good for is if you're missing...

    one thing they are good for is if you're missing just one socket or short just one ratchet wrench . . .
  46. Replies
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    20f's a bit low for a heat pump, most certainly...

    20f's a bit low for a heat pump, most certainly low for a gas unit. better call maico.
  47. Replies
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    577

    Review the parameter screens for the old bypass...

    Review the parameter screens for the old bypass and record all the important settings.
    Replace the controller. When the new controller powers up it will have a 'default' address. Review the...
  48. err uuuh twisted pair?? mstp bus is a 3wire...

    err uuuh twisted pair?? mstp bus is a 3wire and the sa bus is a 4wire.

    I've used: http://harrier.smartwire.com/ecom/invmainprof.php?item=WCW-22/3BLU-WC-S with no problems for the FC bus.
    ...
  49. Replies
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    1,458

    There's different flavors. GenII, GenIII,...

    There's different flavors. GenII, GenIII, GenIII+, and the latest 3V.
    Each requires different hardware/software for access and setup.
    The system pilot will look and configure a 3V, but its like...
  50. Replies
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    548

    couple relays and a transformer in the cieling...

    couple relays and a transformer in the cieling and you can use whatever you want.
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