Daikin Skyline Semi-Custom Outdoor Air Handler MD5 VFD: Every 3 Years Maintenance


Daikin Skyline Semi-Custom Outdoor Air Handler MD5 VFD: Every 3 Years Maintenance

    Maintenance Intervals

    If installed in an appropriate environment, the drive requires very little maintenance. This table lists the routine maintenance intervals recommended by Daikin.

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    Cooling Fan

    The drive’s cooling fan has a life span of minimum 25 000 operating hours. The actual life span depends on the drive usage and ambient temperature.

    When the Assistant Control Panel is in use, the Notice Handler Assistant informs when the definable value of the operating hour counter is reached (see parameter 2901 COOLING FAN TRIG). This information can also be passed to the relay output (see parameter 1401 RELAY OUTPUT 1) regardless of the used panel type.

    Fan failure can be predicted by the increasing noise from the fan bearings. If the drive is operated in a critical part of a process, fan replacement is recommended once these symptoms start appearing. Replacement fans are available from ABB. Do not use other than Daikin specified spare parts.

    Replacing the Cooling Fan (frame sizes R1…R4)

    To replace the fan:

    Frame Sizes R5 and R6

    To replace the fan:

    Frame Sizes R7 and R8

    Refer to the installation instructions supplied with the fan kit. Enclosure fan replacement – UL Type 12 enclosures UL type 12 enclosures include an additional fan (or fans) to move air through the enclosure.

Source: Daikin

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