Fire suppression control units and accessories

Mircom’s FR-320 is a dual releasing special hazard suppression control unit that is field configurable for use on Deluge Sprinkler Systems, Pre-Action Sprinkler Systems and Agent Release Systems. The mode of operation is easily configured by selecting one of 14 pre-configured modes of operation. The simple configuration process is done via the front panel and requires no laptop or complicated programming. 





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  • Listed to UL 864, 9th edition

  • Suppression control panel is field configurable to operate with a Deluge Sprinkler System, a Pre-action Sprinkler System and an Agent Release System

  • Six Class B (Style B) Input Circuits

  • Input Circuits One to Four can be configured as Non-Verified Alarm, Non Latching Supervisory, Latching Supervisory or Agent Release/Water Flow depending on the Mode of Operation selected

  • Input Circuits Five & Six can be configured as Manual Release Input, Abort Input or Abort/Manual Release Combination Input depending on the Mode of Operation selected

  • Input Circuits can be converted to Class "A" (Style "D") using the ICAC-306 Converter Module

  • Four Class "B" (Style "Y") Output Circuits which can be configured for Silenceable Signal, Non-Silenceable Signal, Silenceable Strobe, Non-Silenceable Strobe or Releasing Circuit (Circuits 3 & 4 Only)

  • Output Circuits can be converted to Class "A" (Style "Z") using the OCAC-304 Converter Module

  • 5 Amp Power Supply

  • 4-wire smoke power 22.3 VDC @ 300ma max.Supervised Aux Power 22.3 VDC @ 500ma max. 

  • Aux Power (Unregulated) 24 VDC @ 1.7 Amp max.

  • Relay contacts for Common Alarm (Non Disconnectable), Auxiliary Alarm (Disconnectable), Common Supervisory (can be converted to common alarm if no Supervisory input) and Common Trouble

  • Cross Zone option

  • Counting Zones option

  • Output signals can be configured for Steady (fixed) or Escalating (tone changes as input operation changes)

  • Release Timer 0 to 60 Seconds (5 second increments)

  • Manual Release Delay 0 to 30 Seconds (5 second increments)

  • Soak Timer 0 to 15 Minutes (21 Intervals)

  • Abort Release Timer (Standard UL Type Delay, IRL Type Delay, NYC Type Delay, Local Jurisdiction Delay)

  • Special Releasing Power Supply and Release Activation Considerations preventing false dumps 

  • Configurable to perform two hazard areas

  • Simple panel programming through 14 Pre- Configured Modes of Operations

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