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Type: Posts; User: mesahvac

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  1. Replies
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    davyb

    hey davyb not a hundred percent sure i think its a old ww2 bomber. its near my home falcon field in mesa,az nice to see the apaches fly in and my little boy loves watching them chop the air. they a...
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    738

    undervoltage relay

    what brand/model would be good for monitoring voltage on coils for contactors on input and output of drive.they are 120v coils
  3. Replies
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    1,141

    intelli

    i like these units alot easy to work on. the only complaint would be parts pricing jeepfrk definetley sounds like a aux switch not making intermitently as stated before. i may be wrong doesnt the...
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    738

    contactors

    monkey spanner no on the coils have to by all new its a GE CLO8 CONTACTOR there two weeks out so i just put in some allen bradley ones came out pretty nice.

    heavyevans good idea will present it to...
  5. transducer

    make sure you check all your pnuematic tubing going to your transducer they tend to rub together and make big holes;)
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    738

    drive no likey power outage !

    so yesterday get a call from customer all four drives down on central plant towers.Show up control fuse blown on transformer, they had a pile of them that they had been pooping trying to find out...
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    1,919

    climatemaster wshp

    :Dhey there free wheel if this unit has the cxm controls you have to hook thermisters back on to inlet and outlet of txv. It monitors line temperature to see proper temp drop if it doesnt see any...
  8. Thread: Any one ever?

    by mesahvac
    Replies
    14
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    1,095

    it was hot water worked out pretty good had the...

    it was hot water worked out pretty good had the same stuff dry wall dust as they ran the unit during construction. Not sure how bad yours is i was able to access both sides of the coil.
  9. Thread: Any one ever?

    by mesahvac
    Replies
    14
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    1,095

    coil cleaning

    we used a hotsie once to clean evap coils on trane climatechanger ahu was a dx coil about 35 tons circuits had gas still in them worked out pretty good.
  10. Replies
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    1,192

    vfd

    yes i did get a price for that retrofit kit from trane pretty pricey$$$$. how is that valcon retrofit compared to the tr200. as far as ease of installation.
  11. Replies
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    1,192

    trane i pak vfd

    anyone have trouble getting parts on the sguare d altivar drives. also wondering if anyone had literature on controls and operation of drive and unit.
    m#SEHFC604N546C78D900100ZEFG00L0NRT078000# ...
  12. Replies
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    7,027

    rotor locks

    last orange boat anchor i changed out had new orings that came with the compressor. they were already inserted in the groove of the compressor suction and discharge connections
  13. Replies
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    2,510

    apprentice contest

    i got to participate in it last years western regionals after winning the state competition. it was held in the seattle area local was a neat experience got to meet refer guys from all different...
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    hey allstar i would try swapping the rtrm board...

    hey allstar i would try swapping the rtrm board with another unit at location if any that are same. I had a similar problem a couple times one time it was a defective options module figured out by...
  15. Thread: liebert help

    by mesahvac
    Replies
    7
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    1,219

    yes that is. It has two big receivers and the pfh...

    yes that is. It has two big receivers and the pfh series cond are for high ambient conditions as it is hot as hell in AZ. The pipe run is about 30 to 40 ft from what i understand these hold a...
  16. Thread: liebert help

    by mesahvac
    Replies
    7
    Views
    1,219

    the doctor i actually thought the same. going...

    the doctor i actually thought the same. going back to sight to replace a r2 cooling relay on unit. will definetly try it with like a 3 pole contactor and a toggle switch to control coil voltage.
  17. Thread: liebert help

    by mesahvac
    Replies
    7
    Views
    1,219

    liebert help

    i have a liebert unit i performed a repair condensing unit m#pfh067aaho. Okay recovered 63 lbs and replaced check valve coming off receiver line and drier. Also installed liquid line site glass and...
  18. Thread: Adobe Air

    by mesahvac
    Replies
    2
    Views
    1,036

    adobe air

    mroy hey there i work in az and there is a place in tempe, az called united metal products they manufacture and sell cooler parts they can cross refrecence it and make what you need. here in az the...
  19. Replies
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    756

    hey there double duece thats what i have seen...

    hey there double duece thats what i have seen with the hot galvanized seem to last alot longer and thats what i put in there.I thought that the epoxy coated ones would last longer since they cost...
  20. Replies
    3
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    756

    evapco tower wheels

    hey there you guys just this weekend got done replacing wheels ,shaft ,and bearings on evapco tower m#lsw87b . now this tower is only 4 years old and im starting to lose the wheels to rust looks like...
  21. Replies
    7
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    858

    condenser coil

    hey there lonn boy i had this similar issue on a climatemaster wshp had a leak in the tube in tube heat exchanger what i did to confirm the leak was there i unhooked water connections and pressurized...
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    555

    hot a** hell

    thats pretty hot just like here in phoenix drink lots of water ive been pretty fortunate ive been working inside these last couple of days:)
  23. Replies
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    3,519

    txv retrofit

    hey there chad nc just had to do this last week to a trane tcd151 yes 3/16 refrigeration tubing works great 50 foot roll should get you done for one circuit i just made my own distributor got a 7/8...
  24. Thread: Data Loggers

    by mesahvac
    Replies
    8
    Views
    769

    data loggers

    yes i love the hobo loggers we used them on a building with humidity issues that had erv's on the roof bringing in 100% outdoor air all the time its just plug and play and pretty accurate imo
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    2,414

    flowswitches

    hey grendil are they thermal dispersion flow switches like they use on the carrier machines have not seen them on any cvhf/cvhe:confused:
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