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  1. Replies
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    too funny

    i can fix anything with a 6n1 and duct tape,
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    100% efficiency

    100% efficiency
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    392

    motorized fire/smoke dampers ive seen are...

    motorized fire/smoke dampers ive seen are controlled by the fire alarm co. the lead linkages have a temp. rating, not sure who or how the temperature is selected, maybe its a code thing for a min....
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    515

    man i hate calls like this

    man i hate calls like this
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    1,376

    sad cause thats our money they're playing with.

    sad cause thats our money they're playing with.
  6. Replies
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    1,376

    at least theres traps, llsv's and pipe support...

    at least theres traps, llsv's and pipe support with cush clamps, but that insulation is god awful !!!! and looks like they didnt even attempt to straighten the pipe
  7. i think those modules are junk, bout to get rid...

    i think those modules are junk, bout to get rid of my problem and install a icm phase monitor, wire the safteys into it and install a delay on break timer and be done with it
  8. are u in dc

    are u in dc
  9. thermostat question in relation to temp. offset, cycle rate per/hr, and short cycling

    ok so a thermostat had a supply diffuser blowing some what down on it, cust. did move the branch line over to return however, before it was moved a tech bumped the offset up to 5*f to help...
  10. carrier compressor alert diagnostic module ?

    carrier m# 38AUQA12A0A5A0A0A0
    so ive got one going out on short cycle alarm, was wondering if this could be related to the pressure switches cycling (there auto reset), getting ready to download...
  11. Replies
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    1,082

    This will never work , im sure theirs been...

    This will never work , im sure theirs been compressors changed out , install hot gas bybass for capacity control, head press. Control and run both compressors

    Sent from my SAMSUNG-SM-N900A using...
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    561

    Id take some head gaskets with you to avoid a...

    Id take some head gaskets with you to avoid a trip to the supply house

    Sent from my SAMSUNG-SM-N900A using Tapatalk
  13. Exactly, im going back to the pneumatic stat and...

    Exactly, im going back to the pneumatic stat and kele makes a transducer that will work , gets a lil tricky cause I actually will need 2 transducers and they will need to calibrate to a specific...
  14. What about the cooling , and it might be too...

    What about the cooling , and it might be too difficult to pull a cable 4 floors
  15. Except the old one was pneumatic

    Except the old one was pneumatic
  16. Yeah , basically there was a stat on a floor for...

    Yeah , basically there was a stat on a floor for space temp control. It went to an old pneumatic step controller for the electric heat and to 2 pe switches. We replaced the heater and it needed a...
  17. outside ahu control with dx split coil ?

    Whats the best way to control mechanical cooling off of discharge air ?
  18. Replies
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    50 k a yr is not alot of money nowadays, I shoot...

    50 k a yr is not alot of money nowadays, I shoot for double that
  19. Replies
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    264

    I had one tripping on low o2 too, engineer got...

    I had one tripping on low o2 too, engineer got the manufracturer to come out and they said it was the regulator , not sure if it fixed though , didnt make much sense to me , not my problem anymore...
  20. Replies
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    3,976

    http://ladderbuggy.com/features/

    http://ladderbuggy.com/features/
  21. Replies
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    3,976

    http://www.troweltrades.net/product_info.php?cPath...

    http://www.troweltrades.net/product_info.php?cPath=43_92&products_id=8009
  22. Replies
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    3,976

    i saw this thing you attach to your ext. ladder...

    i saw this thing you attach to your ext. ladder and winch it up
  23. 2 carrier 38AH 054 condensers losing mulitpe (06e) compressors ?

    so here is what we know: . single circuit and no branch off to solenoid valves for staging and only one txv on the evaporator coil. Also No oil trap at the ahu on suction line . Unit has 2) 25 ton...
  24. 40 ton txv on a 20 ton compressor ?

    Well not really , bad install . No LL solenoid valves and one txv on coil. Also No oil trap at the ahu on suction line . Unit has 2 20 ton carlyles . Also they ahu is 100% oa . Take a guess what...
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    347

    Old Westinghouse

    I've got an old water cooled unit
    M# SH0551V
    Item# 761D034G11
    S# BX8526
    It's got a decent size semi recip. Sitting on top of the barrel that I'm trying to get manuals on , sorry didn't write...
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    1,376

    cool pics, i've never seen the inside of one. if...

    cool pics, i've never seen the inside of one. if i suspect issues with a gearbox we bring in a company that specializes in tower work. is this a repair you guys do all the time ?
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    939

    thanks ken

    thanks ken
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    939

    i do it all really, but i'm willing to do...

    i do it all really, but i'm willing to do whatever the bossman tells me. here's part of my resume
    Qualifications

    Over 12 years in the trade, ranging in repair, installation, preventive...
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    939

    Traffic??? Ur kidding right , I live and work in...

    Traffic??? Ur kidding right , I live and work in the DMV area . Can't get any worst than that lol
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    939

    Is work steady, most of my experience is in...

    Is work steady, most of my experience is in commerical but I'm not biased lol
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    939

    Thanks, my wife and I are seriously considering...

    Thanks, my wife and I are seriously considering the move, love the area and we'd like the adventure
  32. Replies
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    939

    charleston sc ??

    whats the job market for commerical techs. in the area ?
  33. Replies
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    no you wouldn't, i helped on one and it's...

    no you wouldn't, i helped on one and it's definitely not for me. i know my limitations and rigging is not a strong point of mine, i struggle with a 80 ton semi, no way in hell i would i ever do...
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    probably just a vdc valve

    probably just a vdc valve
  35. It's on a York ykcf machine . I think it is a...

    It's on a York ykcf machine . I think it is a variable orifice in the liquid line between the barrels controlled by a actuator. But Im hoping someone else can shine some light on his subject .
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    i hope the blowers aren't vs ???????

    i hope the blowers aren't vs ???????
  37. Replies
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    Just bought the kobalt 4 or 5 pack ( can't...

    Just bought the kobalt 4 or 5 pack ( can't remember ) not bad quality to be honest, and I’ve grown to really like it, the main reason I bought it is because it's a heck of alot cheaper than dewalt...
  38. well, measuring discharge superheat could...

    well, measuring discharge superheat could indicate issues and alot of chillers do measure it, but this guy basicly has no clue what he's talking about.
  39. Replies
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    that is a nice machine, hope it stays that way !!!

    that is a nice machine, hope it stays that way !!!
  40. Thread: RTU

    by coolerinfrederick
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    2,700

    i'm actually in a debate now with a co worker on...

    i'm actually in a debate now with a co worker on whether or not to cycle the blower (belt driven) on & off during occupied modes. for years and at all my accts. i keep the fan on when unit is in...
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    i have at a few buildings . i just shack my head .

    i have at a few buildings . i just shack my head .
  42. Replies
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    1,086

    I think the bottom loop was supposed to be used...

    I think the bottom loop was supposed to be used for the hp's and the other for the self contained units
  43. Replies
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    1,086

    Yeah , a bit different from your typical...

    Yeah , a bit different from your typical condenser water loop . The whole building is now chopped up . It's got the trane self contained units for the floors with free cooling and lil heat pumps on...
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    condenser piping ?

    i think i'm having a brain fart but i don't see whats the purpose of this 3 way valve .
  45. Replies
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    533

    auto shop ?

    i have a customer with a fairly large size auto shop .they currently have an air exhaust system at roughly 20 workstations . there is a heavy duty flex tubing
    conntected to the spiral duct branch...
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    1,029

    what about that cloth duct ? starting to see it...

    what about that cloth duct ? starting to see it more in supermarkets .
  47. Replies
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    1,593

    hmmm, maybe they just need a better teacher or...

    hmmm, maybe they just need a better teacher or the one they have is A**
  48. post more info.

    post more info.
  49. Replies
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    1,658

    can you varify that the outside air dampers are...

    can you varify that the outside air dampers are closed when the compressors come on line
  50. Replies
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    are crankcase heaters working ?

    are crankcase heaters working ?
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