
FireWatcher 821
FIRE ALARM I/O MODULE
The input-output module FW821 is a UL / ULC listed device according to UL864 and ULC-S527 for fire protection signaling systems for indoor use.


Fire Alarm I/O Module
The input line is monitored for open line faults and ground faults, and the contact must thus be wired with an end-of-line resistor. The output line is monitored for open lines, short-circuit faults, ground faults, and external 24VDC power source loss.
Capabilities
The FW821 input-output module provides one 24VDC output and one feedback input monitor.
Compliance
UL864 / ULC S527 / FM Listed
Addressable
The FW821 is an intelligent addressable module and takes one address on the Signaling Line Circuit (SLC) or Data Communication Link (DCL) of the fire alarm control panel.
- Useful to confirm a retroactive action
- Internal electronic address
- Compatible with EOLR 10K Ohms (FW421)
- White surface box available as an option (FW800/801)
- Status LED indicator
Datasheet and Installation Manuals
Case Studies / Projects
Customer Support
Email: info@maplearmor.com
Phone: +1 (514) 631-3131
Phone: +1 (844) 988-8866
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