Figure 3.9: Long Ceilings
1 Alternate transmitter and receiver
locations in multiple unit installations
3 Receivers
2 Transmitters 4 L/10 minimum; 60 ft (18 m) maximum
Specifications
Environmental
Radio Frequency
Interference (RFI) Immunity
No alarm or jamming on critical frequencies in the range from
26 MHz to 950 MHz at 50 V/m
Temperature (operating
and storage):
-22°F to +130°F (-30° C to +54°C).
For Underwriters Laboratories, Inc. (UL) Certificated installations
+32°F to +130°F (0°C to +54°C).
Electrical
Alarm Current (receiver)
– D296: 70 mA maximum
– D297: 75 mA at 12 VDC
Standby Current
– D296: Receiver: 45 mA at 24 VDC; Transmitter: 20 mA at 24 VDC
– D297: Receiver: 50 mA at 12 VDC; Transmitter: 20 mA at 12 VDC
Voltage
– D296: 18.0 VDC to 32.0 VDC
4
12 en | Document Introduction Projected-beam Smoke Detectors
2013.02 | 02 | F.01U.500.951 Application Guide Bosch Security System, Inc.
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