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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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    365

    That's great thank you

    That's great thank you
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    365

    Refrigerant Pipe Sizing Software

    Is there a good, reliable, refrigerant pipe sizing software program out there?
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    271

    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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    401

    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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    4,507

    slctech: thanks for the post, very interesting.

    slctech: thanks for the post, very interesting.
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    4,507

    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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    4,507

    Must charge 407c as a liquid.

    Must charge 407c as a liquid.
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    4,507

    yes i have, the nameplate says 407c

    yes i have, the nameplate says 407c
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    4,507

    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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    4,507

    no it was built 407c

    no it was built 407c
  23. Replies
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    4,507

    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?
  25. Replies
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    1,788

    What brand is it that you use?

    What brand is it that you use?
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    1,788

    Tablets - Experiences???

    Does anyone work for a company that uses tablets for their field service techs? And if so, how is it working?
  27. Ok, my apologies, I'm forgetting about this new...

    Ok, my apologies, I'm forgetting about this new AOP section!
  28. Off topic, but what do you call that type of pump...

    Off topic, but what do you call that type of pump which is designed to leak over the bearings to keep them cool?
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    If you want the room to be positive, then that's...

    If you want the room to be positive, then that's your higher pressure and therefore would connect to the HI port, your low would be the pressure outside the room.

    Is this to prevent the...
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    It wouldn't make any difference if it were air or...

    It wouldn't make any difference if it were air or nitro would it?
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    If you used this method and the tank was low on...

    If you used this method and the tank was low on air, if you had system static pressure greater than air pressure, wouldn't it be difficult to get an accurate air reading regardless of room temp?
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    518

    uh oh, what are you working on?

    uh oh, what are you working on?
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    38F SH at the compressor may be OK. As...

    38F SH at the compressor may be OK.

    As mentioned, 8F at evap outlet is good, but be sure you have solid liquid at TXV before adjusting. 8F at the evap outlet might end up being 38F at the...
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    Temp Display WI Freezer?

    I'm looking for a temp display for a very large WI freezer for one of my customers. Has to be capable of celcius and farenheit. Want to mount it by the door but have remote sensors inside (could be...
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    i have vista

    i have vista
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    haha, not a bad plan! k well maybe it's not...

    haha, not a bad plan!

    k well maybe it's not possible i guess, ah well, but you'd think they'd come up with that feature!
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    Computer Whiz Please Respond!

    Does anyone know if it is possible to put a password on a "folder" in windows in the "my documents" section?
  38. Thread: Test Tool

    by dixie2005
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    883

    the johnson one looks like the best, what do you...

    the johnson one looks like the best, what do you think joey?
  39. Thread: Test Tool

    by dixie2005
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    17
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    883

    do you have a part number for that one?

    do you have a part number for that one?
  40. Thread: Test Tool

    by dixie2005
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    883

    thanks, this is what i'm looking for...

    thanks, this is what i'm looking for...
  41. Thread: Test Tool

    by dixie2005
    Replies
    17
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    883

    2-10 VDC, 4 to 20 mA is common

    2-10 VDC, 4 to 20 mA is common
  42. Thread: Test Tool

    by dixie2005
    Replies
    17
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    883

    Test Tool

    Somebody told me that there's a test tool available that you can hook up to an actuator motor for example and then you can set it to send out however many volts dc that you want to test....

    anyone...
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    no worries robo, i'll post over in other forum -...

    no worries robo, i'll post over in other forum - my bad
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    i think i can handle it, but thanks for the...

    i think i can handle it, but thanks for the warning robo
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    Ductless Heat Pump Information

    Does anyone have a good website or document that would explains a ductless heat pump? What it is, how it operates, etc... (for others)

    I get a lot of requests for more info from friends, etc...I'm...
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    so would you lock out the heat pump with a tstat...

    so would you lock out the heat pump with a tstat if the return air temp gets above certain temp?
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    Wood Furnace/Heat Pump

    If a fellow wanted to keep his wood furnace and install a heat pump in his house too (and use same ductwork), what's the procedure? Special considerations?

    Thanks!
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    throw me a bone here! haha!!

    throw me a bone here! haha!!
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    Condenser Retrofit

    I have three refrigeration units that share common condenser (all have their own seperate section). The condenser is a Cancoil, don't have the model or serial number at the moment but if it is...
  50. Thread: stulz c6000

    by dixie2005
    Replies
    1
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    2,016

    i have but i'm on here looking for some help with...

    i have but i'm on here looking for some help with it too!
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