2 Installation
16
Alpha Technologies
2.3 Connecting the Unit
2.3.1: Plug and Connector
Danger:
All wiring must meet the local electrical code. Mark all circuit breakers supply-
ing power to the unit. Connect a dedicated ground wire to the external ground lug if the
building ground is inadequate.
Procedure:
1
Switch off the utility circuit breaker supplying power to the unit.
2
Plug the unit’s AC line cord into the receptacle (Figure 2.1).
If used, plug in an external battery pack (Section 2.4).
TIP:
The rackmount unit has no internal batteries. It uses an external battery pack.
Switch on the utility circuit breaker supplying power to the unit. Start and test the unit with no
loads connected (Section 3.3).
•
If it passes go to the next step.
If it doesn’t do troubleshooting (Sections 3.4, 5.2).
Turn off the unit (Section 3.2).
6
Connect the loads. The loads must be turned off before connection.
Connection Finished
Figure 2.1
Connecting the Unit (Plug and Connector)
6
3
2
