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ROC800-Series Instruction Manual

Revised Jul-14

Power Connections

3-29

Figure 3-12. 12 Volt dc Power Supply and CHG+ / CHG– Wiring

9.

Replace all other power sources (if necessary) to the ROC800.

10.

Review

Restarting the ROC800

in

Chapter 6, Troubleshooting

.

Note

:

Refer to

Table 3-2

concerning LEDs.

3.5.2 Wiring the External Batteries

You can use external batteries as the main source of power for the

ROC800 with the 12 volts dc Power Input module (PM-12). The

maximum voltage that can be applied to the BAT+ / BAT– terminals is

16 volts dc before damage may occur. The recommended maximum

voltage is 14.5 volts dc (refer to

Table 3-2

concerning LEDs).

It is important that you use good wiring practices when sizing, routing,

and connecting power wiring. All wiring must conform to state, local,

and NEC codes. Use 12 to 22 American Wire Gauge (AWG) wire for

all power wiring.

Batteries should be rechargeable, sealed, gel-cell, lead-acid batteries.

Connect batteries in parallel to achieve the required capacity (refer to

Figure 3-6

). The amount of battery capacity required for a particular

installation depends upon the power requirements of the equipment and

days of reserve (autonomy) desired. Calculate battery requirements

based on power consumption of the ROC800 and all devices powered

by the batteries.