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  1. Replies
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    653

    Could you please provide your information where...

    Could you please provide your information where this is a requirement.
  2. Consolidated Fan Curve Chart or specs

    Came across a Consolidated industries Quatro M#MBA140NH5R furnace, 1994 era, looking for spec sheet with fan curve chart.

    This one actually in good shape, aware of the problems they had just need...
  3. Replies
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    15,975

    Only take care of until original warranty from...

    Only take care of until original warranty from first set expires. All I can tell you is my personal experience and others can make their own judgment to purchase, however I suggest against it and to...
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    1,824

    Wet Bulb is easily taken VS RH then convert to...

    Wet Bulb is easily taken VS RH then convert to WB. WB also for temperature ranges we work in is total heat in the air (not to be confused with enthalpy), since the ac has to remove both latent and...
  5. Replies
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    Update: Since this was re-opened I wanted to...

    Update: Since this was re-opened I wanted to further comment on the Testo as the OP.
    The set they sent me was my 3rd. It has since failed (pressure readings) and had lasted only a few months....
  6. ^^^ Ditto I usually use a pieceof cardboard...

    ^^^ Ditto

    I usually use a pieceof cardboard and block off to maintain condensing saturation of 95 to 115*F
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    428

    :bump:

    :bump:
  8. Replies
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    428

    Access to TCS Baysys Superlink

    Need help accessing a Baysys controller. Here is what we have.
    A Superlink (QD2020), a SZ2181 Unit controller and SZ1025a VAV controllers hooked to TS2023 stats.

    The last company only left a...
  9. Replies
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    3,166

    Thinking of the 510 due to the smaller size than...

    Thinking of the 510 due to the smaller size than my current Mannix.
    Something to consider on the Dwyer (I have one also) that the metal body takes a long time to stabilize bringing it in from a cold...
  10. Replies
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    Jim B. Thanks for the videos!

    Jim B. Thanks for the videos!
  11. Replies
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    21,023

    Good info Jim, almost ready to buy the Testo 320....

    Good info Jim, almost ready to buy the Testo 320. I want to get something new before the season hits hard. My TSI does have a new sensor though. Could keep it for back up. I think the pump is...
  12. Replies
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    1,608

    1. Call your local HVAC professional. 2....

    1. Call your local HVAC professional.
    2. Evaluate current system
    3. Have them perform Manual J
    4. Manual S
    5. Manual D
    6. Quote for the repair.
    7. Expect to pay for items 2,3,4 & 5.
  13. Replies
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    916

    230V 1 phase wattmeter

    I have a 120VAC "Kill a watt", but looking for something that can handle 230VAC, such as for condensing units to measure true power and not apparent. Anyone have something they use for this?
  14. Actually, BTU/W_H is EER, not to be confused with...

    Actually, BTU/W_H is EER, not to be confused with SEER. EER is "at that instant" where as SEER is "Seasonal" and not easily computed.
    SEER is defined by AHRI and has a standard (ARI 210/240) and...
  15. The Maximum rated ESP is usually .5 for a cooling...

    The Maximum rated ESP is usually .5 for a cooling ready unit and .2 for heat only.
    Most mobile home units such as Intertherm and Coleman that are approved for that application max out at .3".
    You...
  16. P E Chart

    Use the pressure enthalpy chart to plot out a system with the correct SH and SC, then one withhis method.
  17. Please share this with us. I would like to see...

    Please share this with us. I would like to see your numbers.
  18. Replies
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    531

    Acid test kits

    Anything new out there for testing acid on hermetics besides Total Test, Checkmate or those chessy litmus papers?
  19. Replies
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    Digital SMAN3 on the way

    I currently have the Testo 550 and was going to get another for back up. Looked at the Digicool AK900 but was ruled out since there is no factory clamp, only some sort of velcro strap that will...
  20. Thread: CA

    by steve3871m
    Replies
    10
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    863

    I will have to consider your opinion. Can save...

    I will have to consider your opinion. Can save some $$ if I go with the 327.
    It appeared to do more on paper, but if it just graphical I can to ok with just numbers as U taught!
    Just got your...
  21. Thread: CA

    by steve3871m
    Replies
    10
    Views
    863

    Been looking at thek testo 330 L series. My TSI...

    Been looking at thek testo 330 L series.
    My TSI is getting tired but still works great. the 330 is spendy though.

    Ps: Jim D, found the elevation ASHRAE paper.
  22. Replies
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    If this was to ever happen then I would be glad...

    If this was to ever happen then I would be glad to move over to Digi-Cool and imagine the same holds true for others. This whole sensor issue is the weak link on the 900's unfortunately.
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    Inspect your manifold and or burner alignment. ...

    Inspect your manifold and or burner alignment. This problem can occur if it is off, usually the Z axis.
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    The Robertshaw replacement is problematic. I...

    The Robertshaw replacement is problematic. I believe this is the one Johnstone supply is providing.

    Most of the time the spark gap is hard to get correct and if it does lite, the switch doesn't...
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    2,772

    After I posted I seen a few threads on...

    After I posted I seen a few threads on modifications. Seems it would be easier to buy the 1250 clamps and modify the plug in, rather than reworking the whole velcro strap.
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