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Product Features Product Description
MS-2/MS-4 PN 51512:E 01/18/05 11
• Control Buttons
ACK (Acknowledge)
Alarm Silence
Reset
Walktest
Zone Enable/Disable (one per zone)
• LED Indicators
Fire Alarm (one per zone)
Supervisory (one per zone)
Trouble (one per zone)
Maintenance (one per zone)
AC Power
NAC Disable
Zone Disable
NAC Fault
System Trouble
Power Trouble
Walktest
Alarm Silence
Earth Fault LED (on circuit board) lights if zero impedance between FACP
and ground exist
Battery Fault (on circuit board)
Charger Fault (on circuit board)
• Piezo sounder for alarm, trouble and supervisory
• 24 volt operation
• Low AC voltage sense
• Alarm Verification
• NACs Programmable for:
Silence Inhibit
Auto-Silence
Strobe Synchronization
Selective Silence (horn-strobe mute)
Temporal or Steady Signal
Silenceable or Nonsilenceable
• Automatic battery trickle charger
• Silent or audible walktest capabilities
• Optional NAC Class A converter module (MS-4 only)
• Optional 4XTMF Transmitter Module (MS-2 and MS-4)
• Optional 4XZMF Zone Relay Module (MS-4 only)
• Optional 4XLMF Module for RZA-4XF Remote LED Annunciator (MS-4 only)