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  1. Thread: Retired

    by servicefitter
    Replies
    6
    Views
    609

    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...
  2. 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...
  3. Thread: Retired

    by servicefitter
    Replies
    6
    Views
    609

    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
  4. Replies
    28
    Views
    3,184

    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...
  5. Replies
    58
    Views
    3,970

    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
  6. 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
  7. Replies
    27
    Views
    2,549

    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.
  8. 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
  9. Replies
    32
    Views
    5,800

    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
  10. Replies
    4
    Views
    1,514

    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
  11. Replies
    82
    Views
    19,065

    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
  12. Replies
    24
    Views
    1,677

    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...
  13. Replies
    4
    Views
    1,514

    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
  14. Replies
    11
    Views
    1,623

    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...
  15. Replies
    7
    Views
    1,035

    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
  16. Replies
    2
    Views
    835

    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 16 of 17
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