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Fire suppression control units and accessories

Mircom’s FX-3500 Series systems are powerful Intelligent Fire / Agent Release Control Units that are UL/ULC listed for fire alarm services, including releasing service.


The FX-3500 Series provides up to three intelligent Data Communication Links (DCLs) / Signaling Line Circuits (SLCs) that support a new AP protocol, which is faster and has capacity for

up to 954 intelligent devices.


In addition, the FX-3500 Series has backward compatibility support for CLIP devices. The FX-3500 Series systems are recommended for both new and retrofit fire detection and/or special-hazard/critical-infrastructure suppression/special agent applications.


Capable of releasing up to six discrete physical hazard zones, the

FX-3500 offers exceptional value for complex installations.


Elegant configuration options by onsite laptop, or when required by the Engineer of Record, by remote PC via modem, the FX-3500 can be operational with minimal set up time.


Programming versatility makes the FX-3500 Series the ideal choice for dependable fire detection, signaling and protection in industrial, commercial and institutional buildings.

  General Benefits

       Intelligent addressable fire alarm

        with releasing control.


  • New fast AP protocol, extending number of devices on the loops, up to 954      (318 X3)

  • Panel supports both AP and CLIP protocol

  • Uses USB key for enhanced security

  • Utilizing cross-zoning or counting detection

  • Flush or Surface mountable with no additional hardware required

  • Utilizes the universal Mircom enclosure.

Mechanical Features


  • The FX-3500 supports both flush and surface mount applications;

  • Dimensions 26” x 14.5” x 4.2”66 cm x 36 cm x 11 cm

  • Modular display placement options;

  • Fits up to 2, 18 Ampere Hour batteries.

  • Durable CAT-30 lock and key.

  • Removable enclosure door.

  • Easy access to all modules for serviceability.

Additional Features


  • Compatible with INX-10A Addressable Intelligent NAC Expander Panel.

  • Supports Acclimate smoke detection sensors.

  Hardware Features




  • One onboard SLC/DCL communication circuit that supports up 318 addressable devices/points;

  • Expandable to three SLC/DCL communication circuits that supports up to 954 addressable devices/points;

  • Reliable and industry proven dedicated releasing power supply;

  • Six dedicated hazard zone LED indicators;

  • Convenient USB Programming port;

  • Built-in UDACT/DACT for remote monitoring;

  • Enhanced tactile response for operator interface;

  • 4 x 20 character Liquid Crystal Display (LCD);

  • Easy to read numerical keypad;

  • 10 Ampere (Amp.) Power Supply to satisfy typical releasing load requirements;

  • Four Class A/B Notification Appliance Circuits (NAC) rated at 1.5Amp. each;

  • SLC is capable of NFPA 72 Style 4, Style 6, or Style 7 wiring & ULC’s DCL-A & DCL-B;

  • Resettable auxiliary power supply;

  • Four easy to read status queues with selector switches and LEDs for Alarm, Supervisory, Trouble and Building Safety (Formerly Monitor) Input visual indications;

  • Supports up to seven remote annunciators;

  • Accessible multifunction RS-232 port for:

  • Audio Interface

  • Serial Communication interface

  • RS-485 Interface for remote LCD/LED Annunciators and other devices;

  • Optional City Tie/Polarity Reversal module for central station monitoring.

  • Cross-zoned or Counting Zone Smoke Detection programming to enable release by either counting active zone detection circuits or active cross-zoned detection circuits (includes options for single, double, triple and 2 different inputs counting zones)


Software and Operational Features




  • Audible alarm response within three seconds of activation in Advanced Protocol mode (when using AP devices only);

  • AP is a completely digital protocol;

  • AP is an Interrupt base protocol;

  • Individual LED Control;

  • Releasing capability for up to 6 Zones

  • Supports Pre-Action/Agent Release and Deluge Applications;

  • Supports up to 3 SLC loops and 954 points

  • Supports CLIP and AP System Sensor protocols;

  • Built-in strobe synchronization support for Mircom, Potter/Amseco, System Sensor, Gentex and Wheelock protocols;

  • Grouped inputs and outputs;

  • NACs can be configured as Silenceable or Non-Silenceable for both signals and strobes;

  • Group bypass with built-in false alarm prevention technology;

  • Zone Counting;

  • Built-in Drift Compensation for AP protocol;

  • Positive Alarm Sequence;

  • Configurable Signal Silence Inhibit, Auto Signal Silence, Two Stage Operation and One-Man Walk Test;

  • Relay contacts for Common Alarm, Auxiliary/Alarm (Disconnectable), Common Supervisory and Common Trouble;

  • Two event history logs comprised of a 400 event alarm log for alarm related events and a 400 event general log for all other events;