The Fire-Lite MS-2 and MS-2E Fire Alarm Control Panels bring the latest in microprocessor technology to conventional fire controls. The MS-2 is compatible with the new i³ smoke detectors from System Sensor, and provides such advanced features as drift compensation, maintenance alert, and freeze warning. Automatic synchronization of audio/visual devices is provided, using three selections for manufacturer protocol. The NAC protocol includes the ability to silence audible devices while strobes continue to flash, using only a single pair of wires. The MS-2 also is compatible with conventional input devices such as two- and four-wire smoke detectors, pull stations, waterflow devices, tamper switches and other normally- open contact devices. For 240 VAC operation, order MS-2E. See the FireLite Device Compatibility Document 15384 for a complete list of compatible devices. NOTE: Unless indicated otherwise, the term MS-2 refers to both MS-2 and MS-2E models.
FEATURES Two Style B (Class B) IDCs (Initiating Device Circuits). One Style Y (Class B) NAC (Notification Appliance Circuit). 24 VDC. i³ Technology features: Drift compensation automatically adjusts detector sensitivity and increases resistance to false alarms caused by dust accumulation. Maintenance Alert LEDs (per zone) warn of excessive dirt accumulation, preventing false alarms (meets NFPA 72 requirements). Detector sensitivity is automatically measured by the detector, which automatically adjusts its sensitivity back to the factory settings when it becomes more sensitive due to contaminants settling in the chamber. Wireless handheld sensitivity meter eliminates the need for voltmeters, magnets and a physical connection to the detector. The reader displays sensitivity in terms of percent per foot obscuration and provides text status indication. Supervisory LED (per zone) provides warning if a detector senses temperature approaching freezing. Special test protocol and LED indication allows quick test of all detectors without need for a ladder. NAC synchronization features: Provides synchronization of standard ANSI audible signals as required by NFPA 72. Provides synchronization of ADA compliant strobes per NFPA 72. Selectable for System Sensor, Wheelock and Gentex protocols. Selective Silence feature allows manual silence of horns while strobes continue to flash on the same NAC. Silent or Audible Walk Test operation mode commanded from the front keypad, with automatic return to normal after one hour of inactivity. Alarm verification selectable per zone. Each zone may be programmed for supervisory or fire, with separate red and yellow LEDs. Disable switches provided per zone. NACs programmable for: Silence Inhibit Auto Silence Strobe Synchronization Selective Silence (horn-strobe mute) Temporal or Steady signal Silenceable or Nonsilenceable Form-C Alarm and Trouble relays. 3.0 amps total usable current. Optional dress panel (P/N DP-MS2/4).
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