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  1. #1
    Join Date
    Oct 2011
    Location
    Toronto
    Posts
    35

    York 20 rtu blower delay adjustment

    Got a call with complaints of cold air coming out of the supply runs during the start of the heat call making patrons uncomfortable.

    Looking to adjust the blower on delay so the air isnt as cold during the intial fire up. Havent looked at the unit yet, just trying to get a feel for it before the morning. Its -8 F here so less time on the roof the better!

    Thanks

  2. #2
    Join Date
    Oct 2011
    Location
    Chicagoland Area
    Posts
    4,575
    The newer Yorks have the delays built into the board and the old units have mechanical delays. Might want to check economizers and/or fresh air dampers
    Officially, Down for the count

    YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET

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  3. #3
    Join Date
    Oct 2011
    Location
    Toronto
    Posts
    35
    The economizer are off and fresh air dampers set for 25% fresh air as per building code. Supply air temp was 68 on start up, 73 after running for a few minutes.

    The unit is horizontal discharged, looks like acustic lined and alumaguard wrapped

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