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INSTALLING THE
AUXILIARY POWER
UNIT
Install an Auxiliary Power Unit if the system must support
more than 45 unit loads.
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2
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8
Remove power from the system. Make sure that the
0N/OFF switch on the Power Supply Module is set to
the OFF position. Unplug the power cord from the ac
outlet.
Using appropriate hardware, mount the Auxiliary
Power Unit on a surface within 2 feet of the control
unit. For further information on mounting the
Auxiliary Power Unit, refer to CIB 2866.
Plug one end of the control unit ac power cord into the
connector labeled "AC INPUT" on the Power Supply
Module.
Plug the other end of the control unit ac power cord
into the outlet labeled “AC OUTPUT” on the Auxiliary
Power Unit.
Insert one end of the modular line cord into the jack
labeled “AUXILIARY POWER INPUT” on the Power
Supply Module.
Insert the other end of the modular line cord into the
jack labeled “AUX POWER” on the Auxiliary Power
Unit.
Plug one end of the ac line cord into the connector
labeled “AC INPUT” on the Auxiliary Power Unit.
Plug the other end of the ac line cord into the ac outlet.
Do
not
perform this step until you are ready to apply
power to the system.
CAUTION:
Do not attach the power cord(s) to the
building surfaces.
Refer to Figure 2-19 when connecting the Auxiliary Power
Unit to the control unit.
2-72 Installing the Control Unit