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  1. arcticguy00

    Reducing Air Flow through Dehumidifier

    With Respect to 317069's question, i hope this clarifies: The air enters the dehumidifier at 72*F/50%, goes through the evaporator coil to reach 42*F saturated, then is sensibly reheated ad it passes through the condensing coil to regain the heat lost during dehumidification and gain the added...
  2. arcticguy00

    Reducing Air Flow through Dehumidifier

    Thanks. With respect to refrigerant continuing to expand in the blocked section of coil: I was thinking that as long as the amount of coil that was blocked to get performance reasonably close to optimal, then the expansion valve and hot gas bypass would work their magic together to control the...
  3. arcticguy00

    Reducing Air Flow through Dehumidifier

    We have an existing dehumidifier that we would like to re-purpose at a lower air volume. Has anyone had any experience with blocking off portions of an existing DX coil to reduce dehumidifier capacity? Here's what we have: The AHU was originally specified to dehumidify 3500 CFM of air from...
  4. arcticguy00

    MICA Insulation Standards - Old Editions

    Does anyone have any suggestions as to where one might go to lay their hands on a copy of the 4th Edition of the Midwest Insulation Contractors Association standards manual?... They are up tp the 6th Edition and the 4th Edition may be out of print for about 10 years.
  5. arcticguy00

    Water In Buried 3C-500MCM Metal Clad Cable

    Has anyone in this forum ever experienced water becoming entrapped in a buried metal clad cable ? I am interested to find out of this is a common occurance; here's the situation: About 6 weeks ago we installed two parallel 3 conductor 500MCM metal clad service entrance cables (with PVC...
  6. arcticguy00

    Relative Hardness of Steel Wheels and Tracks

    Can anyone offer some guidence on the recommended hardness of steel tracks under a 40,000 lb load? Our load travels back and forth, repeatedly over two parralel tacks each 4 feet long. Two wheels are V-grooved and guided on one steel track by an inverted angle welded on. The track surface will...

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