Bosch D720B Specifications download pdf (Page 11)

Control Panels Diagrams | en 11

Bosch Security Systems, Inc. UL Installation Instructions F.01U.167.105 | 02 | 2010.11

2.3 Input Points and Peripheral Devices Wiring Diagram

(D9412GV3 shown)

Callout Description

1 (Optional): For 24 V applications use a UL 1481 Listed regulated, power-limited 24 VDC power supply

with a D130 Relay Module. Refer to the D130 Installation Instructions (P/N: F01U072455) for correct

wiring requirements.

2 D130 Relay Module

3 D125B Powered Loop Interface Module

4 To UL Listed two-wire smoke detectors. Refer to Two-Wire Smoke Detectors in the D9412GV3/D7412GV3

Approved Applications Compliance Guide (P/N: F01U143069) for a listing of compatible two-wire smoke

detectors.

5 P105BL1 1 kΩ EOL resistor (P/N: F01U033966): For typical burglar alarm applications.

6 D129 Dual Class A Initiation Circuit Module: Provides optional Waterflow Alarm Retard feature. Not

suitable for two-wire smoke detectors.

NOTICE!

Use zero retard except for waterflow devices.

All external connections except Terminal 5 (battery positive) are power limited.

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Bosch D720B Specifications Page 11