Control Panels Power supply | en 43
Bosch Security Systems, Inc. Installation and System Reference Guide 2016.06 | 08 | F.01U.303.996
Callout á…³ Description
3 á…³ Terminal strip wiring
4 á…³ Interconnect wiring (P/N: F01U079745)
Wire to batteries
Wiring the B520 to BATT 1 is required for proper operation of standby power for the B520
module. Wiring the second battery (BATT 2) is optional. If a B520 is configured for two
batteries as the standby power source, then BATT 2 is also required for proper operation.
BATT 2 must have the same capacity and rating as BATT 1. Maximum standby power cannot
exceed 36 Ah.
Figure6.5: B520 BATT terminals wiring
Callout á…³ Description
1 á…³ B520 Auxiliary Power Supply Module
2 á…³ Battery 2 (BATT 2) - (12 V nominal lead acid)
3 á…³ Battery 1 (BATT 1) - (12 V nominal lead acid)
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