ABB ACB530 Series, Руководство пользователя

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3-2 Maintenance MN796SUP
3.1.3.1 Floor Mount– UL Type / NEMA 12 Enclosures
The enclosure fan is located in the exhaust box on top of
the UL Type / NEMA 12 enclosure.
1. Remove the left and right filter frames of the exhaust fan
box by lifting them upwards.
2. Disconnect the fan’s electrical connector from the
cabinet roof (top right Inside the cabinet).
3. Undo the four fastening screws at the corners of the fan frame. The screws are through bolts with nuts on the inside of
the cabinet. (Do not drop the hardware into the drive).
4. Remove the fan and fan frame as one unit.
5. Disconnect the fan wiring and capacitor from the fan
frame. Then remove the four screws attaching the fan to
the fan frame. Remove the old fan.