AT&T 518-600-016 manual Installing the Auxiliary Power Unit

INSTALLING THE AUXILIARY POWER UNIT

Install an Auxiliary Power Unit if the system must support more than 45 unit loads.

1Remove 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.

2Using 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.

3Plug one end of the control unit ac power cord into the connector labeled "AC INPUT" on the Power Supply Module.

4Plug the other end of the control unit ac power cord into the outlet labeled “AC OUTPUT” on the Auxiliary Power Unit.

5Insert one end of the modular line cord into the jack labeled “AUXILIARY POWER INPUT” on the Power Supply Module.

6Insert the other end of the modular line cord into the jack labeled “AUX POWER” on the Auxiliary Power Unit.

7Plug one end of the ac line cord into the connector labeled “AC INPUT” on the Auxiliary Power Unit.

8Plug 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 2-19when connecting the Auxiliary Power Unit to the control unit.

2-72 Installing the Control Unit