Operating Instructions

Status LEDs

Silent Walktest

To perform a silent Walktest, press the Walktest button, then press the Alarm Silence button and hold both for a minimum of two seconds. The Trouble, Walktest and Alarm Silence LEDs will blink at a ¼ second rate.

A silent walktest will not activate the control panel Notification Appliance Circuits. All alarm and trouble conditions must be observed using the LEDs at the control panel as described in the previous sections.

Exiting Walktest Mode

Walktest mode can be exited by pressing and holding the Walktest button for a minimum of three seconds or by pressing the Reset button. The time-out feature will cause the control panel to automatically exit Walktest mode if no button presses have occurred for one hour.

4.3 Status LEDs

AC Power LED

A green LED that remains on while the AC power supply is within correct limits. If this indicator fails to light under normal conditions, service the system immediately.

NAC Disable LED

A yellow LED that blinks to indicate that a Notification Appliance Circuit has been disabled using the main circuit board DIP switches. The LED will turn on steady when the Acknowledge or Alarm Silence button is pressed.

Zone Disable LED

A yellow LED that blinks to indicate that one or more alarm zones have been disabled using the Zone Enable/Disable buttons. The disabled zone’s trouble LED will also be on. The Acknowledge or Alarm Silence button does not affect the Zone Disable LED.

NAC Fault LED

A yellow LED that blinks to indicate that an NAC trouble condition exists in the system. The LED turns on steady when the Acknowledge or Alarm Silence button is pressed.

System Trouble LED

A yellow LED that blinks to indicate that a system fault or abnormal condition exists and that the fire alarm system may be inoperative. It turns on steady when the Acknowledge or Alarm Silence button is pressed.

Power Trouble LED

A yellow LED that blinks to indicate an AC power, battery or charger trouble condition.

It turns on steady when the Acknowledge or Alarm Silence button is pressed.

Walktest LED

A yellow LED that blinks to indicate that the control panel is in Walktest mode. The

Acknowledge and Alarm Silence buttons do not affect the Walktest LED.

Alarm Silence LED

A yellow LED that turns on to indicate that an Alarm condition exists in the system but the Notification Appliance Circuits and the local piezo sounder have been silenced.

Zone Fire Alarm LED

A red LED for each zone that blinks to indicate that an alarm exists on the corresponding zone. It turns on steady when the Acknowledge or Alarm Silence button is pressed.

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MS-2/MS-4 PN 51512:E 01/18/05

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Honeywell MS-2 manual Status LEDs
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MS-2 specifications

The Honeywell MS-2 is a sophisticated control panel designed for fire alarm detection systems. It is renowned for its reliability, efficiency, and advanced features which make it a popular choice among industry professionals. The MS-2 is especially well-suited for small to medium-sized commercial buildings, providing comprehensive fire detection and alarm capabilities.

One of the standout features of the Honeywell MS-2 is its dual-loop architecture. This allows for the connection of two loop circuits, each capable of supporting a wide range of devices such as smoke detectors, heat detectors, and manual pull stations. This flexibility in device connectivity enables tailored solutions based on specific building requirements, ensuring maximum safety and compliance with fire codes.

The MS-2 incorporates a user-friendly graphical interface that simplifies operation and monitoring. This LCD display provides real-time system status updates, which allows users to quickly identify any issues or alarms. Moreover, it features intuitive navigation buttons, making it easy for operators to interact with system functionalities.

In terms of technology, the MS-2 is built upon a robust digital platform that ensures precise detection and response times. With advanced signal processing capabilities, the system can differentiate between actual fire signals and nuisance alarms, thereby minimizing false alarms. This not only enhances safety but also reduces unnecessary disruptions and maintenance costs.

The MS-2 also supports addressable technology, enabling precise identification of device locations within the system. This is particularly beneficial in emergency situations where rapid response is critical. Furthermore, the panel can facilitate remote monitoring, allowing for real-time data access and integration with building management systems, thereby enhancing overall operational efficiency.

Another noteworthy characteristic of the Honeywell MS-2 is its compliance with various industry standards, ensuring that it meets the stringent requirements of fire safety regulations. The system is compatible with a wide range of Honeywell's fire alarm devices, offering versatility and scalability for future expansions.

In conclusion, the Honeywell MS-2 fire alarm control panel combines advanced technology, user-friendly design, and robust features to deliver reliable fire safety solutions. Its dual-loop capability, addressable technology, and real-time monitoring make it an ideal choice for businesses aiming to enhance their fire safety infrastructure. By choosing the MS-2, organizations can better protect their assets, ensure compliance, and safeguard the lives of occupants.
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