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  1. Thread: sight glass

    by alexw
    Replies
    51
    Views
    4,000

    1) A sight glass gives you an indication of what...

    1) A sight glass gives you an indication of what is happening. You should not charge a system via sight glass observation unless you have a special situation and really know what you are doing. A...
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    . JonAdams1 . . . What you describe does...

    .
    JonAdams1 . . .

    What you describe does sound abnormal. Normally in cold winter and hot summer climates we would expect more air flow through the system for cooling than for heating. If you are...
  3. Need Aprilaire Humidifier installers/servicers

    .
    I'm looking for humidifier experts who know quite a bit about Aprilaire water panel models and now the Model 800 steam humidifier.

    If you have considerable Aprilaire experience please email or...
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    3,641

    . Ed . . . Thanks for your insight regarding...

    .
    Ed . . .

    Thanks for your insight regarding the Service Assistant. I am aware of CheckME!, Title 24 in California and the John Proctor ideas.

    The Service Assistant is really an enthalpy...
  5. Replies
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    3,641

    Field Diagnostics & Service Assistant -Realities

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    Thanks for sharing your valuable experience with the Service Assistant.

    As you suggest I find it a huge challenge to schedule work with residential homeowners. They have every reason in the...
  6. Replies
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    3,641

    See Photo & .PDF info in Original Message

    .
    See Photo & .PDF info in Original Message

    Using the Field Diagnostics Service Assistant includes using enthalpy calculations to arrive at an Efficiency Index and a Capacity Index. The Service...
  7. Replies
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    3,641

    Field Diagnostics & Service Assistant

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    The Field Diagnostics - Service Assistant will be used in public utility programs in about eight states during the 2010 air conditioning season. The Service Assistant was formerly identified as a...
  8. Replies
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    35,029

    . Doug . . . Please tell anyone who says your...

    .
    Doug . . .

    Please tell anyone who says your stuff costs too much that their prices are too low.

    If you can't afford continuous education and the best tools available you should find another...
  9. Thread: KW Meter

    by alexw
    Replies
    3
    Views
    549

    . What do you want to be able to do with the...

    .
    What do you want to be able to do with the power meter? Do you just want to be able to read kilowatts or do you want to be able to analyze the power, i.e.
    look at power factor or harmonics etc. ...
  10. Replies
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    9,170

    Has anyone heard from a Honeywell rep about the...

    Has anyone heard from a Honeywell rep about the maintenance needs for TrueSTEAM humidifiers?

    My feeling is that what we are experiencing is OK if Honeywell is talking, suggesting and disclosing...
  11. Replies
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    9,170

    TrueSTEAM issues

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    ComfortAdvisor . . .

    Yesterday I serviced two 12 GPD TrueSTEAM humidifiers in a four furnace, 9,000 sq ft house. Both humidifiers had shut down with four LED blinks indicating over heating of...
  12. Replies
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    10,762

    KLEINman . . . Yes! . . . I've heard good...

    KLEINman . . .

    Yes! . . . I've heard good things about the Inficon leak finder. :)

    You might find these documents of interest re: Leak finding . . .

    ...
  13. Replies
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    10,762

    . Hi . . . KLEINman . . . I just bought a...

    .
    Hi . . . KLEINman . . .

    I just bought a pair of KLEIN offset snips and I really like them . . . good stuff. :)

    Are you an expert refrigerant leak finder? I'm looking for all the help and...
  14. Replies
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    10,762

    . BeckMech . . . Go here for a well thought...

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    BeckMech . . .

    Go here for a well thought of digital gauge set. The 1250 is what I'll be purchasing for our 2009 A/C season. http://digi-cool.com/

    You might also do a search here on...
  15. Replies
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    1,536

    . IceMan . . . Please give me a little slack....

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    IceMan . . .

    Please give me a little slack.

    I 've been waiting for the 1250 to become available. When the 2009 Air Conditioning season gets going full blast I expect to be using one or two...
  16. Replies
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    1,536

    . BeachTech . . . You get the At-A-Boy award...

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    BeachTech . . .

    You get the At-A-Boy award for the day. You evidently do read the Kings English.

    It is a shame that so many people don't read/listen before they write/speak.

    I wonder how...
  17. Replies
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    1,536

    Digi-Cool 1250 + What manifold?

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    To: Those of you who have Digi-Cool digital gauges

    1) What is your favorite manifold to add to the DRSA 1200 or 1250?

    2) What is your favorite source for the manifold only?

    If it will not...
  18. Replies
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    10,762

    . Just For Fun . . . I may be repeating your...

    .
    Just For Fun . . .

    I may be repeating your Mastercool digital manifold experience. :mad:

    As in a previous messsage in this thread I did the RMA thing and they sent me a new manifold after a...
  19. Replies
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    42,211

    . Doug . . . You have obviously become and...

    .
    Doug . . .

    You have obviously become and expert on thermistors and/or other alternatives to thermocouples.

    Can you give us some feel for the response time we should expect from your...
  20. Replies
    458
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    42,211

    . Doug . . . OK . . . I get the picture! ...

    .
    Doug . . .

    OK . . . I get the picture!

    On the 1250 is there any way for the end user to calibrate via offset or otherwise the temperature readings?

    Do you/will you ship an actual...
  21. Replies
    458
    Views
    42,211

    Doug Lockhart...

    Doug Lockhart . . .

    What are the temperature sensors in your new 1250?

    Thermistors?

    Thermocouples?

    If thermistors would you give those of us who purchase a 1250 a copy of the ...
  22. Replies
    80
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    10,762

    . Kerreckt . . . Unlike you I did have a...

    .
    Kerreckt . . .

    Unlike you I did have a problem with one of the two Mastercool digital manifolds I purchased this last summer.

    Upon sending the message below to Mastercool tech support they...
  23. . lvjeffro . . . You have to ask yourself . ....

    .
    lvjeffro . . .

    You have to ask yourself . . . "Why am I interested in HVAC?" :confused:

    Do you have an analytical mind? Are you methodical? Do you have good eye-hand coordination which makes...
  24. Replies
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    6,537

    . Does this mean that an old Fluke is better...

    .
    Does this mean that an old Fluke is better than a new Fluke?

    When did the China mfg start, do you know?
  25. . When a gas type tankless water heater is used...

    .
    When a gas type tankless water heater is used to replace a tank type water heater there are two challenges and a maintenance must.

    (1) The gas line must be large enough to handle the high Btu...
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