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  1. Replies
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    Well as long as you did your job and the quote...

    Well as long as you did your job and the quote was done by your boss - it ain't your fault. Every quote has to have a buffer for some fault to occur or even additional time spent on site to make sure...
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    Thanks - will add the eddy current test

    Thanks for the feedback Geo!

    Will add the eddy current test and use it as a baseline for future reference. I have done the rest of the test and passed with flying colors. The contract is a shared...
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    Thanks for sharing. Exactly...scare tactics. I...

    Thanks for sharing. Exactly...scare tactics. I noticed as a business they want to see growth - chillers in buildings have a 15 to 20 year cycle. Once that cycle is over, the rate of chiller...
  4. what skippedover mentioned is very important. ...

    what skippedover mentioned is very important.

    Low velocity design - using for example, 6 pole motors instead of 4 pole reduces noise and vibration - just that the coil area becomes larger but the...
  5. Just to add.... I agree with teddy_bear on fresh...

    Just to add....
    I agree with teddy_bear on fresh air is the primary way to maintain good iaq...

    I live and work in the tropics and I find fresh air is always shut off to increase cooling capacity...
  6. I always prefer external insulation because it...

    I always prefer external insulation because it avoids creating higher friction losses plus maintenance is easier - you cant really see whats going on inside all the time and if workmanship is poor,...
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    Thanks for the feedback. Now I am have a better...

    Thanks for the feedback. Now I am have a better feel of the system and not alone when I think there should be other recommended ways before opting for expensive overhaul which may not be necessary!
    ...
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    Thanks for the replies... Efficiency of the...

    Thanks for the replies...

    Efficiency of the chiller (kw/ton) is still within the design specifications and it is measured / calculated all the time through monitoring.

    From what I can...
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    Overhaul of centrifugal Chiller

    Hi
    I just got myself registered finally :grin2:

    I was surprised to find out that chiller manufacturers advise to overhaul a chiller after 40,000 hours of running even with scheduled good...
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