Fire Alarm Systems | F220‑B6RS 24 VDC Four‑wire Detector Base with Sounder
F220‑B6RS 24 VDC Four‑wire Detector
Base with Sounder
Easy installation
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Interchangeable detector heads
UL listed when used with F220 Series Detector Heads
UL464 approved sounder driven by the detector head
or the NAC circuit
2. Reverse Polarity Configuration: In this configuration
(not suitable for synchronized protocols; such as,
Cooper Wheelock, Gentex, or System Sensor), the
sounders in a loop activate due to reversed polarity on
the power line. The output pattern is not controlled by
the base in this operating mode; it follows the reversing
power signal on the detector head's terminals as
programmed at the control panel.
The F220‑B6RS 24 VDC Four-wire Detector Base with
Sounder meets the requirements of UL464 for a notification
device and works with the F220 Series Photoelectric Smoke
and Heat Detectors. Power the sounder from the control
panel's NAC circuit or from auxiliary power.
3. Local Annunciation Configuration: In this
configuration, each sounder is individually set for one
of the following patterns: Temporal (Code 3), March
Time, or Continuous Tone. Use a D275 Power
Supervision Module in this configuration to supervise
the detector loop.
4. Interconnection Configuration: In this configuration,
up to five detectors supervise the end of the detector
loop when interconnected by a common wire. All
sounders within the group activate together. Set all
units for the same output pattern (Temporal [Code 3],
March Time, or Continuous Tone). All interconnected
detectors are synchronized with and sound the pattern
of the originating detector.
Functions
Sounder Configuration
The output (sound pattern and synchronization) of the
sounders on a detection loop can be configured in four
different ways. Refer to the F220 Series Detectors
Installation Instructions (P/N: 4998138694) for instructions
on wiring and setting the F220‑B6RS detector base for
these configurations:
1. NAC Follower (Direct Wire) Configuration: In this
configuration, the sounders on the loop follow the
signal on the NAC terminals as programmed at the
control panel. Refer to the control panel's installation
manual for NAC configuration instructions. This
configuration requires an extra pair of supervised wires
for the sounder circuit.
The maximum wire length for connecting up to five units
is:
Wire Size
Wire Length
18 AWG (1.2 mm)
16 AWG (1.5 mm)
14 AWG (1.8 mm)
300 ft (91 m)
450 ft (137 m)
750 ft (229 m)
Note
To ensure interconnected units can signal an
alarm, the line load after the last detector on
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F220‑B6RS 24 VDC Four‑wire Detector Base with Sounder | 3
Ordering Information
F220‑B6RS 24 VDC Four‑wire Detector
Base with Sounder
F220-B6RS
Four-wire detector base with sounder for use
with the F220 Series Photoelectric Smoke and
Heat Detectors.
Accessories
D275 Power Supervision Module
Line supervision device for four-wire fire de-
tection circuits
D275
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4 | F220‑B6RS 24 VDC Four‑wire Detector Base with Sounder
Americas:
Europe, Middle East, Africa:
Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
Asia-Pacific:
Robert Bosch (SEA) Pte Ltd, Security Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6258 5511
Represented by
Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: +1 800 289 0096
Fax: +1 585 223 9180
Fax: +65 6571 2698
© Bosch Security Systems Inc. 2010 | Data subject to change without notice
T1750697227 | Cur: en-US, V12, 4 Jul 2010
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