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  1. Replies
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    Sounds like BS to me too. ASHRAE has good...

    Sounds like BS to me too.
    ASHRAE has good guidelines for these types of applications.
    I can see part of the makeup source as being from the serving line or seating area
    but a hole in wall from an...
  2. Replies
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    457

    Hey, if it's at OReilly's go for it. Charge to...

    Hey, if it's at OReilly's go for it. Charge to superheat with the cabin at temp. I wouldn't worry about sealers et al. After all it's a belt driven compressor right? If you're ridiculously low...
  3. Not to be rude Rogel, but if you have to ask that...

    Not to be rude Rogel, but if you have to ask that question then you need professional help. Call your local Trane dealer/service and have them sort it out. The Trane techs in our area are topnotch...
  4. Geez, I can't imagine working in Alaska what it...

    Geez, I can't imagine working in Alaska what it might be like trying to find a competent contractor. I personally would pitch a fit and get your 1400 dollars worth. This aint rocket science. ...
  5. Yep, that's freezers. Right on the ragged edge. ...

    Yep, that's freezers. Right on the ragged edge. R22 is not the ideal for freezers for
    reasons you're seeing. Still, if it were my freezer I wouldn't be worried as long as the
    suction piping were...
  6. Replies
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    616

    How fast is the auto-ranging? I've stuck with...

    How fast is the auto-ranging? I've stuck with Fluke for all these years because they've always been the fastest. Most cheaper meters to read volts it can take a couple seconds. Multiply that times...
  7. Replies
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    1,644

    I fixed a Liebert minimate once where the...

    I fixed a Liebert minimate once where the nitrogen in the fancoil was left and it did in fact hang out in the evap. Pressures on the roof were really goofy so I pulled the blower panel downstairs...
  8. Under 230F 6" away from the shell is what you're...

    Under 230F 6" away from the shell is what you're looking for.
    Is the suction piping properly sized and insulated?
  9. Replies
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    2,167

    We would likely work with the customer if . ....

    We would likely work with the customer if . . they're keeping our shop busy.
    Otherwise, not a chance.
  10. I've always been fond of Honeywell's old UFO...

    I've always been fond of Honeywell's old UFO style stats.
  11. Replies
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    553

    I've paralleled driers before when I couldnt make...

    I've paralleled driers before when I couldnt make a larger drier fit.
  12. Don't ignore those sensors. I seen them go bad. ...

    Don't ignore those sensors. I seen them go bad. Make sure they're accurate.
  13. Replies
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    390

    10* subcool ya, but what's the suction pressure...

    10* subcool ya, but what's the suction pressure and superheat?
    Airside splits?
    Outside air ?
    Any chance of internal air bypass in the unit?
    There's a reason. You just haven't found it yet.
  14. Be a go gitter. If you've got the potential...

    Be a go gitter. If you've got the potential you'll find a place. Most companies expect that you'll not have to learn anything more than once.
  15. Thread: Pa to Az

    by gbfromsd
    Replies
    13
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    1,748

    Universal EPA cert. You'll want a good company...

    Universal EPA cert.
    You'll want a good company that believes in training.
    Good place to start is the supply houses on the bulletin boards
    There are also online resources where you can upload your...
  16. Valve shaft where it passes through the seal can...

    Valve shaft where it passes through the seal can in time accumulate deposits that cause it to bind as the stem moves. The electrical actuator can only generate so much force and in some cases the...
  17. 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. ...
  18. 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...
  19. Replies
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    1,479

    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.
  20. 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.
  21. Replies
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    870

    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...
  22. Replies
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    2,271

    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...
  23. Replies
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    2,515

    Yep, 2 coils 2d comp

    Yep, 2 coils
    2d comp
  24. Replies
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    2,515

    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.
  25. Replies
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    2,515

    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...
  26. Replies
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    5,135

    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...
  27. Replies
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    7,159

    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.
  28. Thread: FX40 setup

    by gbfromsd
    Replies
    6
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    1,018

    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...
  29. Thread: FX40 setup

    by gbfromsd
    Replies
    6
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    1,018

    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...
  30. Replies
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    2,043

    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...
  31. Thread: dinosaur

    by gbfromsd
    Replies
    16
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    4,138

    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.
  32. Replies
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    3,800

    With left click only, control loops are snap man !

    With left click only, control loops are snap man !
  33. Replies
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    3,800

    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.
  34. Replies
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    1,155

    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.
  35. Replies
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    1,935

    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...
  36. Replies
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    3,800

    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.
  37. Replies
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    10,858

    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.
  38. Replies
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    707

    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...
  39. Thread: Johnson SCT

    by gbfromsd
    Replies
    3
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    974

    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.
  40. Replies
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    2,362

    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,...
  41. Replies
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    1,191

    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
  42. Replies
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    1,834

    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...
  43. Replies
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    1,834

    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?
  44. Replies
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    901

    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.
  45. Replies
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    1,834

    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...
  46. Replies
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    1,834

    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...
  47. Replies
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    2,737

    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.
  48. Replies
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    1,212

    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. ...
  49. Replies
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    6,874

    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.
  50. Replies
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    806

    can you point me at the website?

    can you point me at the website?
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