Bosch D7412GV4 - Four-Wire Smoke Detectors

D9412GV4/D7412GV4 v2.03 | Installation and System Reference Guide | 17.0 Approved Applications
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Bosch Security Systems, Inc. | 7/16 | F01U265457-09 90
17.4.1 Four-Wire Smoke Detectors
When using four-wire smoke detectors, install
a power supervision device according to the
manufacturer’s instructions. You can connect
any number of four-wire smoke detectors to
the D9412GV4/D7412GV4 v2.03 Control Panels
(subject to available auxiliary power).
The Reset Sensor command is available from
the keypads when the Reset Sensor is enabled.
Connect the smoke detectors to a suitable
interface such as the D125B or D129, or to the
D9127 Modules when used with a
D9412GV4/D7412GV4 v2.03 Control Panel.
Smoke detectors can also be connected to the
on-board points to meet UL and NFPA
requirements.
When using four-wire smoke detectors, install
a power supervision unit according to the
manufacturer’s instructions. Refer to Section