ABB ACS2000 User Manual page 61

m e c h a n i c a l i n S Ta l l aT i o n
—
74
Frame 1 Redundant
fan installation
—
75
Frame 1 Redundant
fan power supply
connections
—
76
Frame 1 Inlet ring
installation
—
77
1 Redundant fan housing
Frame 1 Fan installation
2 Sealing gasket
3 Predrilled holes
4 Drive's redundant fan wiring
5 Terminal block
—
74
4. Fasten the fan unit using the supplied screws.
The predrilled holes (see Figure 74 - Frame 1)
are fitted with press nuts on the underside.
5. Make the terminal block to drive wiring
connections.
The front wall of the fan box may be removed for
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 X22
2 Wire numbers
3 External fan power supply
—
75
6. Bolt the fan inlet ring to the top of the drive.
1
3
2
3
5
4
1 Fan inlet ring
—
76
7. Install the fan in the fan box.
1 Fan
2 Fan wires
3 Terminal block
—
77
8. Route the fan wires (see Figure 77 - Frame 1) and
1
connect to the terminal block.
9. Check that the flapper is moving freely.
10. Reattach the front panel and the cover of the
fan unit.
61
1
2
1
3