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  1. Replies
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    SEER is a benchmark which is measured at a...

    SEER is a benchmark which is measured at a specific operating condition that is rarely mimicked in the field. The largest variable is the installing contractors ability to follow best practices and...
  2. Replies
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    1,370

    If you are standing at the rear of the unit, open...

    If you are standing at the rear of the unit, open the compressor cabinet door and look on the left hand side. Please note that each Atherion unit is custom made so a generic wiring diagram is not...
  3. Replies
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    Mitsubishi systems can output 130F discharge pipe...

    Mitsubishi systems can output 130F discharge pipe temperature at the indoor units at 5FWB outdoor ambient. Outdoor unit can also operate at 100 percent COOLING capacity at minus -10FDB ambient. Ask...
  4. So true, I was assuming an inverter type system....

    So true, I was assuming an inverter type system. A model number would help clarify.
    There are R22 units, non-inverter, P series with EEV's. The MS series only have cap tubes.

    The lesson is,...
  5. Mr Slim R22 Pressures

    Hi,

    The reason why the small pipe and big pipe sweats is because it is operating as part of the indoor coil. That is to say the EEV (Electronic Expansive Valve) is located inside of the outdoor...
  6. Commissioning and Start Up

    Hi,


    It sounds like your condenser may be over heating. If true, the causes
    are typically;

    1. Poor installation
    2. Low/Over charge of refrigerant
    3. Non-Condensibles in the refrigerant...
  7. Replies
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    908

    Mitsubishi Electrical Mr Slim 5th Zone

    The balancing act from the compressor to the refrigeration pressures and indoor coils requires constant communication (comm buss) to and from the main printed circuit board. These operating...
  8. Replies
    16
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    4,950

    You are right to question this. By default, all...

    You are right to question this. By default, all air conditioners dehumidify to an extent. The "dry" mode on Mitsubishi Mr Slim systems cycles the compressor to make indoor coil colder thus dryer but...
  9. Replies
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    20,814

    Which model are you referring too?

    Which model are you referring too?
  10. Replies
    48
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    20,814

    outside rep: Although Daikin can be credited with...

    outside rep: Although Daikin can be credited with the first mini-split in 1963, Mitsubishi's two-pipe simultaneous heating and cooling system and BC Controller is uniquely their own. Both company's...
  11. Replies
    48
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    20,814

    2 cents: Drain related problems are actually...

    2 cents: Drain related problems are actually design issues, not system issues.
  12. Replies
    5
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    1,876

    Hi Blazer, I have a Bryant Smart Sensor for...

    Hi Blazer,

    I have a Bryant Smart Sensor for sale. What's your offer?
  13. Replies
    27
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    4,697

    So I am to understand that you can study SAM...

    So I am to understand that you can study SAM which is free to members in lieu of purchasing the three manuals?
  14. Replies
    27
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    4,697

    RSES CM exam

    Did you pass the first time?
  15. Replies
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    8,201

    If you are referring to the isolation valves, the...

    If you are referring to the isolation valves, the photo was taken before they were covered. I made armaflex/velrco boots with the stem cap sticking through.

    Typical flaring tool. Not 45 degree.
  16. Replies
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    8,201

    Since this was my first installation, I had the...

    Since this was my first installation, I had the FSR there to verify my work. I collected the data and submitted the paper work sometime later.
  17. needs a time code and data log

    needs a time code and data log
  18. Replies
    275
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    28,964

    pack back version Custom tool pouches (made to...

    pack back version

    Custom tool pouches (made to order)

    LC and XL with Testo/Refrigeration Analyzers space with hoses
  19. Replies
    24
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    8,201

    Torque Wrench

    I can get it for you. Email me for details.
  20. Replies
    24
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    8,201

    few of more pix

    few of more pix
  21. Replies
    24
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    8,201

    Extended Warranty

    Yes, the extended warranty is easy to get if you follow the steps. I paid for the FSR to come down and visit the site. It only took him 4 hours to bless five outdoor units and 56 indoor units. I aced...
  22. Replies
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    8,201

    Same old Flare

    Bought a new imperial flaring tool, made sure the flare length was the same as the flare. Pressure tested for 24 hours at 600 PSI. The flaring tool was not special.
  23. Replies
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    791

    Cheap Work is not good, good work is not cheap

    American's have been programed to believe that partial work is okay.
    Don't compromise. Either the company did the job correctly or the did not do the job correctly.

    Unlike the good ol' days for...
  24. Lennox Signature® Collection XPG20 SunSource™ Comfort System

    Any install on of these? How does the solar panel energy transferred? Is it only for the ECM condenser fan motor?
  25. Replies
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    1,388

    Hmmm. This is interesting. Please elaborate. I...

    Hmmm. This is interesting. Please elaborate.

    I don't like to be lead by hacks. I know building owners owners/governments/LEED/Manufacturers use ASHRAE for standards and practices.

    Regarding...
  26. me too!

    me too!
  27. Replies
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    1,388

    Along with LEED. Look into ASHRAE certifications....

    Along with LEED. Look into ASHRAE certifications. ASHRAE is a pillar of our community.

    LEED - You will earn a LEED GA, not AP. See the new 3.0 rating system.
  28. Replies
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    1,388

    Jeff, Regarding LEED - People get...

    Jeff,
    Regarding LEED -

    People get accredited, buildings get certified.
  29. Replies
    25
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    1,388

    DR will end up being a 9/11 x100.

    DR will end up being a 9/11 x100.
  30. Replies
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    572

    ALC Controls/WebCNTRL help

    Please raise your hand if you are familiar with this DDC Control system?

    I have a customer who wants a "maintenance" agreement on newly installed system.
  31. Replies
    6
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    3,235

    Used Flow Hood for sale?

    Does anyone know where to purchase used flow hoods?
  32. Replies
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    336

    Sanyo Ductless Contractor Needed

    Can someone please recommend a good Sanyo ductless mini split contractor in Austin, TX?
  33. Replies
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    864

    ok got it. Pipe Clamp for SH temp. Thank you...

    ok got it. Pipe Clamp for SH temp. Thank you...
  34. Replies
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    785

    ok got it. Pipe Clamp for SH temp. Thank you...

    ok got it. Pipe Clamp for SH temp. Thank you...
  35. Replies
    7
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    864

    IR Laser Temp Gun

    Question: Would you recommend using a hand held laser temperature gun to get the super heat.

    I pointed the gun at the suction line out of the evap coil and also directly at the evap coil itself....
  36. Replies
    9
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    785

    Laser for Temperature Reading

    Could I use a hand held laser temperature gun to get the super heat.

    I pointed the gun at the suction line out of the evap coil and also directly at the evap coil itself. The Suction read 34.6...
  37. Replies
    9
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    785

    The new owner changed 5 light bulbs to 23W CFL's....

    The new owner changed 5 light bulbs to 23W CFL's. The box was designed for maybe 45W bulbs, would that be enough heat gain to increase the compressor run time?
  38. Replies
    9
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    785

    Flower Box - High Humidity

    Hi Folks,

    I have a business owner that complains about her flower box being too wet and causing mold to grow prematurely on these wood branches and other flower species dying. I am going over...
  39. Replies
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    My name is John. I'm the poster of this system. ...

    My name is John. I'm the poster of this system.

    Yes, I went to all the classes to achieve the Diamond Dealer and Diamond Designer recognition. I highly recommend going to the City Multi Service...
  40. Replies
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    Hi Manny, We have had the same luck. City Multi...

    Hi Manny, We have had the same luck. City Multi systems have a compressor failure rate of .04 %. What was the make up of your 7 systems?
  41. Replies
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    Hey, thanks for asking. The condensate lines were...

    Hey, thanks for asking. The condensate lines were existing 3/4 copper. We used draino and tested the drains separate times before commissioning the system.

    Fire Safety is very important. The fire...
  42. Replies
    24
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    8,201

    Mitsubishi City Multi Project (R2 series)

    Near Los Angeles, California - Replaced existing EMI ductless heat pump system with a Mitsubishi Electrical CITY MULTI R2 series system. We replaced 14 multi zone ductless systems (one outdoor coil...
  43. Replies
    170
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    59,319

    Looks like the H-10PM is the winner. I will post...

    Looks like the H-10PM is the winner. I will post my review in three weeks. I've owned TIF and CPS detectors and always find myself using bubbles and Halogen to find leaks. Thank you all for...
  44. Replies
    170
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    59,319

    Sniffing R410a

    Sniffing R410a
  45. Replies
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    2,323

    Hi, I have a project that will need a...

    Hi,

    I have a project that will need a "production" type system of tools for flaring, swaging and cutting 1/4 and 1/2 inch soft copper.

    Does anyone have any recommendations?

    Any...
  46. Replies
    1
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    882

    Swage, Flare and Cut

    Hi,

    I have a project that will need a "production" type system of tools for flaring, bending, swaging and cutting 1/4 and 1/2 inch soft copper.

    Does anyone have any recommendations?

    Any...
  47. Replies
    170
    Views
    59,319

    What is the Best Refrigerant Leak Detector?

    Hi Folks,

    I have a project coming up that has 1750 refrigerant connections. :eek:

    I will pressure test each system to 700 PSI but I want to have thee best electronic leak detection on the...
  48. Replies
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    1,414

    After weighing the input here and through others,...

    After weighing the input here and through others, I've decided to purchase the Appion Twin G5. I will post a review the machine in about two weeks. Thank you.
  49. Replies
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    These have been all great responses. Thank you.

    These have been all great responses. Thank you.
  50. Replies
    15
    Views
    1,414

    Thank you for sharing that insightful posting.

    Thank you for sharing that insightful posting.
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