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116 Maintenance
Replacing roof EC fans*
Procedure
1. Stop, de-energize and ground the drive following the steps in section
before you start the work.
2. Switch off the motor starter of the fan unit to isolate the fan unit from the auxiliary
power supply. To identify the motor starter, see the
3. Remove the hex-head combination screws that attach the top cover to the fan box. Lift
the top cover and pull it away from the fan box.
4. Disconnect the control and power supply cables of the fan.
5. Remove the fastening screws from the support plate and the duct ring.
6. Using the lifting eyes in the fan housing cover and a lifting gear, lift off the support
plate with the fan attached to it.
M6X12
combination
screw
Support
beam
6
Ͳ
M6X16
combination
screw
Содержание ACS580MV
Страница 1: ...ABB industrial drives Hardware manual ACS580MV drives 200 kW to 6300 kW 6 kV to 11 kV...
Страница 4: ......
Страница 10: ...10...
Страница 50: ...50 Control system and interfaces...
Страница 52: ...52 Guidelines for planning the electrical installation...
Страница 77: ...Electrical installation 77 Power cable entry from top 1 screen extensions to ground 1...
Страница 90: ...90 Installation checklist...
Страница 125: ...Maintenance 125 5 Disconnect the fiber optic links from the power module 1 Hoist 2 screw M8X20 1 2...
Страница 127: ...Maintenance 127 stops it again 10 Connect the second lifting belts to the lifting eyes provided on the power module...
Страница 142: ...142 Maintenance...
Страница 144: ......
Страница 146: ...Contact us 2UBB004520 Rev E EN 2019 06 27 www abb com drives www abb com drivespartners...