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8.0 Turning on the Panel
8.1 Before Connecting the Power
1. To prevent sparking, do not connect the batteries. Connect the batteries after powering
the system from the main AC supply.
2. Check that all modules are installed in the proper location with the proper connections.
3. Check all field (external) wiring for opens, shorts, and ground.
4. Check that all interconnection cables are secure, and that all connectors are plugged in
properly.
5. Check all jumpers and switches for proper setting.
6. Check the AC power wiring for proper connection.
7. Check that the chassis is connected to EARTH GROUND (cold water pipe).
8. Make sure to close the front cover plate before powering the system from main AC
supply.
8.2 Connecting the Power
After completing the steps in 8.1 above:
1. Plug in the AC power.
The A.C. ON LED illuminates, the Common Trouble LED flashes, and the buzzer
sounds.
2. Press the SYSTEM RESET button.
The buzzer continues to sound and the Common Trouble LED continues to flash.
3. Connect the batteries as shown in Figure 27. Observe the correct polarity: the red wire is
positive (+) and black wire is negative (−).
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