Bosch FLM-325-CZM4 Specsheet
Fire Alarm Systems | FLM‑325‑CZM4 Conventional Zone Module
FLM‑325‑CZM4 Conventional Zone Module
www.boschsecurity.com
u Provides a zone of up to 25 conventional smoke
detectors (depending on detector type)
u Supervises auxiliary power supply for conventional
detectors
The FLM‑325‑CZM4 Conventional Zone Module
enables the FPA‑1000 Analog Addressable Fire Panels
to interface and monitor up to 25 conventional devices
depending on the device type such as two-wire smoke
detectors or pull stations.
The module requires an auxiliary input voltage to
provide power for the detector zone. It supervises the
power supply as well as the entire zone of devices.
Status conditions are reported as normal, open or
short.
The module offers fixed threshold levels for open and
short that can not be changed. It fits into a standard
4‑inch square or double‑gang electrical back box.
Functions
u Compatible with Class B (Style B) or Class A
(Style D)
u Module address programming with the D5070
Analog Device Programmer between 1 and 127
u Bi‑colored LED provides module status
Certifications and approvals
Region Certification
USA UL UOXX: Control Unit Accessories, System
(ANSI/UL 864)
CSFM see our website
FDNY-
#6101
CoA
Installation/configuration notes
Compatible Products
The following products are compatible with the
FLM‑325‑CZM4 Conventional Zone Module:
Address programming
Each module is addressed through the D5070 Analog
Device Programmer and transmits the status of one
zone of devices back to the panel.
Status display
The module has a bi‑colored LED that flashes every
time the module is polled and can be switched on
steady when the module goes into active condition.
Category Product ID Product Description
Fire Panels FPA‑1000 Analog Addressable Fire Panels
Two‑wire
Detectors
D255
D254
1
Fixed-temperature (135°F
[57°C]) Heat Detector Head
1
Fixed-temperature (190°F
[88°C]) Heat Detector Head
D256A
2
Fixed-temperature (135°F
[57°C]), Rate-of-Rise Heat
Detector Head
2 | FLM‑325‑CZM4 Conventional Zone Module
D257A
2
Fixed-temperature (190°F
[88°C]), Rate-of-Rise Heat
Detector Head
D265AW
2
Photoelectric Smoke Detector
Head
D281A
D282A
D283A
2
2
2
Ionization Smoke Detector
24 VDC Smoke Detector Head
24 VDC Smoke/Heat Detector
Head
1
Requires D253 Two‑wire Detector Base (24 VDC)
2
Requires D280A Two‑wire Detector Base (24 VDC)
Parts included
Quant. Component
1 FLM‑325‑CZM4 Conventional Zone Module
1 EOL resistor 4.7 kΩ
1 Wall plate
1 Literature pack
Technical specifications
Electrical
Operating Voltage 17 VDC to 41 VDC
Current Consumption
• Standby 0.4 mA
• Active (from auxiliary
60 mA
power supply
• Data transmission 22 mA ±20 %
Resistance
• EOL 4.7 kΩ
• Alarm Threshold < 1.5 kΩ
Mechanical
Dimensions (H x W x D) 4.7 in. x 4.2 in. x 1.4 in.
(11.9 cm x 10.7 cm x 3.6 cm)
Bicolored LED Red and green
Environmental
Operating Temperature +32°F to +120°F (0°C to +49°C)
Relative Humidity 90 %, non‑condensing
Ordering information
FLM‑325‑CZM4 Conventional Zone Module
Enables the FACP to interface and monitor up to 25
conventional devices depending on the device type
such as two‑wire smoke detectors or pull stations
Order number FLM-325-CZM4
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