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Figure 6-28
Return to the back of the frame and tighten the screws in the mounting brackets
10.
into the side of the fan unit.
When the fan unit is aligned and in place, tighten the screws in the brackets on the
11.
sides of the frame.
Reinstall the fan filter.
12.
The filter has an arrow stamped on the top edge to indicate the direction of the air
flow. The arrow points toward the fans.
Install the fan grill, placing it back on the front of the unit and FINGER TIGHTEN
13.
the thumb screws on the front of the grill.
Remove the piece of fiber paper on the top of the shelf below where the fan is to
14.
be installed.
6.4.5 Installing Fan Cables
On the control and extension shelf backplanes, the connectors are marked A FAN
POWER and B FAN POWER.
•
Control shelf:
On backplane (P/N 850-0330-06 or -07) the connectors are A FAN POWER, J-9
and B FAN POWER, J-8.
These connectors are located at the upper middle of the backplane on both the
control shelf and the extension shelves.
•
Extension shelf: The backplane connectors are A, J-3 and B J-2.
•
For A fan power:
The fan cable is included with the fan assembly. Plug one end of the cable into J-9
on the backplane. Route the cable to the left of the frame, faced from the rear, and
to the assembly, to the connection marked FAN A POWER.
•
For B fan power:
Plug one end of the cable into J-8 on the backplane. Route the cable to the right
of the frame, faced from the rear, and to the fan assembly, to the connection
Fan with Brackets and Screws
Chapter 6
Fan Assembly Installation and Cabling
6-48
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