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Type: Posts; User: servicefitter

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  1. Replies
    85
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    3,740

    Forty four years but had I to get three people to...

    Forty four years but had I to get three people to help me count
  2. Replies
    11
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    1,082

    Called chiltrix found out that they just started...

    Called chiltrix found out that they just started handing these systems. Their from Europe and hopefully their going to send me more info. Have some concerns about claimed efficiency and no track...
  3. Replies
    11
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    1,082

    This chiltrix system looks very interesting,I'll...

    This chiltrix system looks very interesting,I'll be contacting them on monday for more information.
  4. Replies
    3
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    2,888

    Did you figger the problem out?

    Did you figger the problem out?
  5. Replies
    18
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    981

    Daikin makes a flare gauge that has to be used on...

    Daikin makes a flare gauge that has to be used on their mini's. Then pressure test at 24 hours @ 500lbs. I use this on all my commersal systems and haven't had any problems. This is a Daikin spec.
  6. Liquid solinoid valve sticking closed at start up...

    Liquid solinoid valve sticking closed at start up or a expansion valve not opening at start up, liquid valve not closing 100%- compressor would run longer and and take a longer time to pump down...
  7. Replies
    3
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    557

    Spring is held on to the stem by a top clip that...

    Spring is held on to the stem by a top clip that looks like a washer with a square hole. You can use needle nose pliers compress the spring a little and turn clip 45* and lift it off remove spring...
  8. Replies
    13
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    792

    If the system has a ceiling return air. Look for...

    If the system has a ceiling return air. Look for outside air infiltrating the ceiling pay attention if the their is a soffit over the front of the building and any light coming in at the...
  9. Cycle chiller off then back on more than once....

    Cycle chiller off then back on more than once. Watch the pump down and compressor pressures.
  10. Replies
    11
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    1,082

    Mini split geo system

    Looking for a heat pump geo condenser that can run two floor units and two ducted units 36000 btu's. Four 9000. Looked around and didn't find any systems.
  11. I'm sure it will work if u draw arrows on the...

    I'm sure it will work if u draw arrows on the piping so the freon knows where to go, talk very nice to the compressor.
  12. Look on the board and see if it's the input or...

    Look on the board and see if it's the input or outputs that are toasting the board. Then you can fuse the same with the cheap glass fuses and plastic holders.
  13. Only 3. First out of trade school 1.5 years for a...

    Only 3. First out of trade school 1.5 years for a residential contractor, 1.5 years for the comfort maker factory service, and 39 years for a large mechanical contractor as a general foreman, shop...
  14. Thread: Retired

    by servicefitter
    Replies
    6
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    930

    R500

    My local branch of united refrigeration showed it in their computer, but none sold in the st louis ,mo area. I purchased this drum at least 38 years ago to fix a old at that time a carrier...
  15. Double check the flow switch operation, liquid...

    Double check the flow switch operation, liquid line solinoid valve- could be hanging up, also seen electronic valve stick open part way and flood compressor. Valve guts looks like a inverted bucket...
  16. Thread: Retired

    by servicefitter
    Replies
    6
    Views
    930

    Retired

    Does anyone have any use or know someone that might have for freon 500. This refrigerant was used by Carrier 40+ years ago. Have 30 + pounds just for the shipping. This IS NOT 502
  17. Replies
    28
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    3,845

    In 35 years I been cleaned out 4 times. It only...

    In 35 years I been cleaned out 4 times. It only takes 2 minutes or less to open doors of a ford van and take anything out with a handle. Alarm or not, if their wearing work clothes nobody evens...
  18. Replies
    58
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    5,538

    Valve has a bad power head or moisture is high in...

    Valve has a bad power head or moisture is high in system and freezing in valve or drier
  19. Dunham Bush medium vertical screw compressor

    Tring to find a 3 1/8" discharge check valve that fits between compressor and service valve . D/b is known for customer no service. Thanks
  20. Replies
    27
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    3,622

    Make shure coil is piped correctly coldest water/...

    Make shure coil is piped correctly coldest water/ coldest air, and how much building infiltration is their.
  21. Dunham Bush medium vertical screw compressor

    Tring to find a 3 1/8" discharge check valve that fits between compressor and service valve . D/b is known for customer no service. Thanks
  22. Replies
    32
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    6,254

    check subcooling, if 10 to 15 degrees distrubuter...

    check subcooling, if 10 to 15 degrees distrubuter may not have a proper orfice or none at all. distrubuter tube temp would be warmer than temp at expanstion valve bulb
  23. Replies
    4
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    1,804

    we started using them with pronto forms.working...

    we started using them with pronto forms.working out some of the problems .but it coming along
  24. Replies
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    21,205

    general forman

    work for a 40 man service company were on call a week at a time, friday to friday mouning 1 hour a day '2 for sat. 2 for sun. iF you work its port to port. union company 562 saint louis
  25. Replies
    24
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    1,938

    in the hood

    went on a no heat call walked down the basement stairs stoped before getting all the down. 5 or 6 german shepard puppies and 6 inches of chichen feathers all over the floor. ask the owner what was up...
  26. Replies
    4
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    1,804

    using ipad for service tickets

    anyone using the ipad and did you make your own program or purchase one.company that i work for wants to go in this direction
  27. Replies
    11
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    1,865

    screw compresser

    freq drives are used on evap fans- vav systems, towers , condenser pumps.screw compresser use discharge pressure for lubrcation and the oil helps cool the rotors. if they used a oil pump like a...
  28. Replies
    7
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    1,182

    turn crankcase heaters on. keep condener fans off...

    turn crankcase heaters on. keep condener fans off charge by subcooling after pressures start getting into range enable condenser fans. recheck subcooling and hope u have a load
  29. Replies
    2
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    948

    looking for design temps and dew to see if and...

    looking for design temps and dew to see if and how they have changed. they now are 93/3 and 75 dew point
Results 1 to 29 of 30

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