ABB ACS2000 User Manual page 63

m e c h a n i c a l i n S Ta l l aT i o n
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4. Fasten the fan unit using the supplied screws.
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The predrilled holes (see Figure 77 - Frames 2, 3)
Frame 2 Redundant
fan power supply
are fitted with press nuts on the underside.
connections
5. Make the terminal block to drive wiring
—
connections.
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Frame 3 Redundant
fan power supply
The rear panel of the fan box may be removed for
connections
easier access to the wiring.
A. Remove the upper IFU (Input Filter Unit) panel to
access the drive wiring for the redundant fan.
B. Carefully feed the wires from the drive up into
the fan unit housing and route to the
terminal block.
C. Make the wiring connections.
2
1 Terminal block X23
2 Wire numbers
3 External fan power supply
—
81
2
1 Terminal block X24
2 Wire numbers
3 External fan power supply
—
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3
3
6. Route the fan wires and connect to the
terminal block.
7. Check that the flapper is moving freely.
8. Reattach the rear panel and the cover
of the fan unit.
Removal procedure is the reverse of the installation
procedure.
1
1
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