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  1. Thread: Smoke Control

    by tlona1
    Replies
    0
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    295

    Smoke Control

    Does anyone know when a smoke control system is required. The IBC just states how to design one but I cannot find out where it is required.
    Thanx
  2. Thread: VFD Retrofit

    by tlona1
    Replies
    10
    Views
    1,819

    Thank-you for all the responses. The customer's...

    Thank-you for all the responses. The customer's standard is ABB. The compressor is an interesting thought. I did not think you could vary the speeds on these. I was concerned with the existing...
  3. Thread: VFD Retrofit

    by tlona1
    Replies
    10
    Views
    1,819

    VFD Retrofit

    I have a 75 ton trane intellapack SLHFC75. Dx Cooling, hotwater heating. Our control scheme has change in that the air handler can be stopped for 8hrs out of the day. We want to add an ABB VFD to...
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