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    How can you convert a Trane unit Flex58 over to an ATV61 open type drive?

    How can you convert a Trane unit Flex58 over to an ATV61 open type drive?

    Product Line:
    Altivar 61


    They are replacing a Trane Flex58 drive over to an ATV61 drive they need assistance with programming and wiring.

    Logic input layout.
    LI1 is start/stop.
    LI2 is run permissive.
    LI3 was sequence input and LI4 was process inputs remove and cap off they are not going to be needed because we don't have this function on the new ATV61 drive.
    AI1 is 0-10V signal coming from BMS.
    R1 relay is assigned to Fault
    R2 relay is assigned to Run.

    Programming ATV61
    Under  Menu 1.1 of the ATV61
    2 wire control
    Std motor frequency: 60 Hz.
    Rated motor power: motor name plate
    Rated motor current: motor name plate FLA
    Rated motor frequency: 60 Hz
    Rated motor speed: motor name plate
    Max frequency: 60 Hz.
    Motor thermal current: motor name plate FLA
    ACC/DEC: 20 Seconds
    Low speed: 22 Hz.
    High Speed: 60 Hz

    Under Menu 1.5 of the ATV61
    2 wire type: Level type
    AI1 Configuration: type set to voltage min 0V  max 10vdc
    R1 Configuration: no drive Fault
    R2 Configuration: drive running

    Under Menu 1.6 of the ATV61
    Ref 1 Channel: AI1
    Profile: Not Sep

    Under Menu 1.7 of the ATV61
    Ref 1 B switching : Channel 1 active
    Ref 1 B channel:  set to no
    NST Freewheel stop set to LI2  (only if you have the bypass option)

    Under Menu 1.8 of the ATV61
    Fault reset= yes
    Catch on the Fly = Yes
    Output phase loss detection= No   ( only if you have the bypass option)

    We can only replace the Flex58 drives to the ATV61 drives if they are being used on Trane enclosed systems.  This does not apply to the old Econoflex or MCC Flex58 drives.
    After you remove the Flex58 drive it will leave a large hole which will need to be covered and the ATV61 will be mounted on the back plane.   Schneider Electric does not offer any retro kits for this procedure.

    If the end customer is unable to do this conversion they will need to replace this complete drive with an enclosed EFlex 61 drive.

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