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Specifications - Bosch D296 Application Manual

Projected beam smoke detectors
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Table 2:
Continued
Product
Description
Optional (cont)
D1005 Test Cord
Provides an electrical connection to the D296/D297 Series receiver to help align
the receiver and transmitter.
D308 Field Test Kit
Tests the calibration of the D296/D297 Series by providing a calibrated amount
of obscuration between the transmitter and receiver.

6.0 Specifications

Table 3:
Specifications
Power
D296
D297
Alarm Output
Tamper/Trouble Output
Signal Processing
Operation
Alarm Response Selectivity
Storage and Operating
Temperature
Test Features
Dimensions (H x W x D)
Coverage
Mounting
Pattern Pointability
Radio Frequency
Interference (RFI) Immunity
Listings
Bosch Security Systems, Inc. | 01/07 | F01U500951-01
Voltage
18 VDC to 32 VDC
Receiver:
10.2 VDC to 15 VDC
Receiver:
One auxiliary Form C (NO/C/NC [normally-open/common/normally-closed]) contact rated
1 A, 60 VDC maximum for resistive loads. One NO contact rated 1 A, 60 VDC maximum for
resistive loads.
One NC contact rated 1 A, 60 VDC maximum for resistive loads. Opens when the cover is
removed, power is lost, or the beam is blocked.
Automatic signal synchronization eliminates the need for a synchronization wire.
Self-compensating circuitry compensates for signal loss from dust or dirt buildup on lens and
signals a trouble condition at a signal loss of 50% or a signal increase of 20%.
Transmitter emits an invisible pulsed infrared (IR) beam to the receiver. If smoke obscures the
beam beyond the selected threshold, the receiver signals an alarm. If the beam is 90%
blocked, the receiver signals a trouble.
Eight sensitivity settings available. Selectable response time of 5 sec or 30 sec.
-22°F to +130°F (-30° C to +54°C). For Underwriters Laboratories, Inc. (UL) Certificated
installations +32°F to +120°F (0°C to +48°C).
Externally visible LEDs on the transmitter and receiver indicate an alarm signal and trouble
conditions. An output voltage on the receiver assists in alignment and troubleshooting. The
D306 Indicator Plate (included) uses LEDs to indicate detector status and condition, and
provides a point to read and test the signal voltage.
7 in. x 5.5 in. x 5.5 in. (17.8 cm x 13.9 cm x 13.9 cm)
30 ft to 350 ft (9 m to 107 m) range. Up to 60 ft (18 m) spacing on smooth, flat ceilings.
Surface or ceiling mount on standard 4 in. (10.2 cm) square or octagonal electrical boxes
Internally pointable ±90° horizontal, ±10° vertical.
No alarm or jamming on critical frequencies in the range from 26 MHz to 950 MHz at 50 V/m.
UL Listing (UL268 and UL268A)
Underwriters Laboratories of Canada (ULC) Listing
Maryland State Fire Marshal (MSFM) Permit #1943
New York City – Material Engineering Association (NYC-MEA) Acceptance #MEA274-93-E
California State Fire Marshal (CSFM) #7260-1062:106
Factory Mutual Research (FM) Job #0X2A9.AY
European EMC Conformity (CE)
D296/D297 | Application Guide | 6.0 Specifications
Standby Current
45 mA @ 24 VDC, Transmitter:
20 mA @ 24 VDC
50 mA @ 12 VDC, Transmitter:
20 mA @ 12 VDC
Alarm Current (Receiver)
60 mA @ 24.0 VDC
75 mA @ 12.0 VDC
11

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D297