Bosch D1255RB Manual de usuario descargar pdf (Pagina 8)

| Approved Applications Compliance Guide | 2.0 Optional Compatible Equipment

8 Bosch Security Systems, Inc. | 3/12 | F01U266055-01

UL requires that power outputs are

not shared between fire and non-

fire devices unless all devices are in

conduit within 20 ft and are in the

same room

(D9412GV4/D7412GV4).

2.3.1 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 GV4 Series 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 GV4 Series

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

2.3.5 Other Devices.

2.3.2 Two-Wire Smoke Detectors

Two-wire smoke detectors connect to the

control panel only through the D125B Powered

Loop Interface. Two-wire detectors must be

evaluated for electrical compatibility, and be

UL Listed for use with the control panel. Refer

to Table 1 on page 10 for the two-wire smoke

detectors that are UL Listed for compatibility

and the maximum number of detectors that

can be connected to each loop of the D125B

Powered Loop Interface Module.

You can also consult the smoke detector

manufacturer to determine if a particular

smoke detector is UL Listed for use with the

D9412GV4 and D7412GV4 Control Panels. The

Reset Sensor command is available from the

keypads when Reset Sensor is enabled.

2.3.3 Two-Wire Smoke Detector

Specifications

 Voltage Range: 8.0 VDC to 14 VDC

 UL Compatibility Identifier: Type A (for

control panel, detector, and base)

2.3.4 NFPA Style A (Class “B”) Circuit

Loops A and B on the D125B Module are NFPA

Style A (Class “B”) initiating circuits suitable

for connecting any fire alarm initiating device,

including two-wire and four-wire smoke

detectors. To connect initiating devices to on-

board points (1 through 8) on the GV4 Series

Control Panel:

 Use a D125B Powered Loop Interface

Module with two-wire initiating devices for

a D9412GV4/D7412GV4/D7212GV4 Control

Panel).

 Use a D129 Dual Class “A” (NFPA Style D)

Initiating Circuit Module with any type of

initiating device, except a two-wire smoke

detector.

Use the following guidelines when connecting

fire alarm initiating devices to off-board points:

 Do not connect two-wire smoke detectors

to

POPITs or MUX bus inputs.

 Use the D9127U or D9127T POPIT Modules

to connect four-wire smoke detectors when

using a GV4 Series Control Panel.

Consult the UL Listed Two-Wire

Smoke Detectors Compatible with the

D125B section 2.3.6 to determine

which product best fits your

application.

The control panel does not support

multiple detectors in alarm. The

control panel is intended to handle

detectors with optional features.

Detectors from different

manufacturers cannot be mixed on

the same circuit.

The expansion bus can be shared

between fire and non-fire devices

where the POPIT module is

providing data isolation between

the input and the bus connections

(D9412GV4/D7412GV4).

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