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  1. Tech Support # Refrigeration Specialties

    Anyone have a contact person and telephone number for tech support? I have a question about an old industrial style hot gas bypass valve on an air conditioning system. If I could figure out how to...
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    That's great thank you

    That's great thank you
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    Refrigerant Pipe Sizing Software

    Is there a good, reliable, refrigerant pipe sizing software program out there?
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    231

    Rooftop HVAC Unit Damper Retrofit

    Does anyone have experience retrofitting packaged HVAC unit standard dampers to low-leakage dampers? I've attached a picture of the unit, and I'm looking to install Tamco 9000 to replace existing...
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    Thanks very much

    Thanks very much
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    Flexible Venting Option 9"?

    Anyone aware of a flexible liner in 9"? Looking to vent Lochinvar FBN2500 through existing chimney.
    Thanks,
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    Insurance job

    Insurance job
  8. Yes, headmaster working fine.

    Yes, headmaster working fine.
  9. Not a restaurant, outdoor box in Eastern Canada...

    Not a restaurant, outdoor box in Eastern Canada so it's a pretty cold climate this time of year. I was having the issue in the dead of winter as well when RH is at it's lowest....
  10. The termination sensor is in the space that's...

    The termination sensor is in the space that's icing up (front) it's a klixon type that is mounted to the cabinet with the sensor sticking out into the space between fans and front of coil - where can...
  11. I will check out all door seals as well however...

    I will check out all door seals as well however this problem has been happening in the winter (now) which in Canada, the RH is low and humidity/frost is usually not an issue this time of year...
    ...
  12. I have checked the drain line heater, and yes it...

    I have checked the drain line heater, and yes it is trapped, no ice or water accumulating in the pan, seems to be clearing nicely.

    I will check for leakages in the in the cabinet, a local...
  13. have you had to move defrost termination from...

    have you had to move defrost termination from it's OEM location before? (because this is a new coil)
  14. Evaporator Coil Frosting Around Front Behind Fans

    I have an evaporator coil that is frosting up around the front of the coil in behind the fans. It is frosting up bad, thick frost that builds up in behind the fans all the way across. It's a small...
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    huh?

    huh?
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    slctech: thanks for the post, very interesting.

    slctech: thanks for the post, very interesting.
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    I could send you a picture of the nameplate, it...

    I could send you a picture of the nameplate, it definitely reads 407c
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    Must charge 407c as a liquid.

    Must charge 407c as a liquid.
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    4,178

    yes i have, the nameplate says 407c

    yes i have, the nameplate says 407c
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    i didn't take heat measurements on all circuits,...

    i didn't take heat measurements on all circuits, but the one i checked had over 40 degrees of subcooling and 30 degrees of compressor superheat. the head pressure was high when these measurements...
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    the coils do not split, but i do know what you...

    the coils do not split, but i do know what you guys are referring to, i've cleaned those types of coils as well. i have cleaned those coils twice with the blue nu-calgon, very strong acid foaming...
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    no it was built 407c

    no it was built 407c
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    Trane Intellipak - High Pressure

    Looking for some advice. Trane intellipak's, two 40 ton and two 50 tons serving the building. R-407C. All units are having high-pressure trips causing the "compressor trip" diagnostic. I've been...
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    What service apps are you using with the Galaxy?

    What service apps are you using with the Galaxy?
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    What brand is it that you use?

    What brand is it that you use?
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