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Type: Posts; User: blackhawk2000

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  1. Blabath, thank you very much for the answer. I...

    Blabath, thank you very much for the answer. I was not in favour of Eth Glycol.

    Do you have any comments on my point 3:

    3. Is it worth investigating setting up a power unit solely for the...
  2. This building does not require cooling in...

    This building does not require cooling in summers, the temp is pleasant. Typical office building of 8500 sqft.

    Winter:
    Is there any heating medium apart from ETH-glycol-water, that can be used at...
  3. Heating of office buildings in areas where winter avg DBT is -7 deg C

    I am new to HVAC, so please keep that in mind if my questions appear incomplete or strange. :)


    1. Is "eth gylcol water" used as heat carrying agent poisonous?

    2. Are there any safe...
  4. Thanks for your response Joe. I was actually...

    Thanks for your response Joe.

    I was actually looking for a chart between OUTSIDE AMBIENT DBT and compressor suction/discharge pressure for air cooled compressors running on R22.

    Or maybe some...
  5. Compressor suction/discharge pressure versus ambient temp

    What should be the ideal compressor suction/discharge pressure range in PSIG if outside temperature is fluctuating between 28 - 36 degree celsius DBT.

    Equipment: Air cooled Packaged unit with 3...
  6. Thanks Boabcelt, that was very very helpful. It...

    Thanks Boabcelt, that was very very helpful. It has given me a very good, practical overview of the entire thing.

    Thanks very much. :grin2:
    __________________________

    Darctangent -- I have...
  7. Glycol and Glycol-Water pumps for central heating help!!

    If you have to use water-glycol for central heating in a place where the minimum temperature is minus 7 deg celcius,

    I have some questions:

    1. How do you decide the glycol-water mixture ratio...
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