MS-4(E) Main Circuit Board

IDC (4.7 K, ½ watt ELR)

NAC (4.7K, ½ watt ELR)

TB2 2.5A max. per NAC

(supervised, power-limited)

NAC 2 B-

NAC 2 B+

NAC 1 B-

NAC 1 B+

24 VDC Special

Application Power TB1

500 mA per circuit

(nonsupervised, power-

limited)

-Reset + Reset

-Nonreset +Nonreset

TB3 (supervised, power-limited)

Zone 4 B-

Zone 4 B+

Zone 3 B-

Zone 3 B+

Zone 2 B-

Zone 2 B+

Zone 1 B-

Zone 1 B+

Trouble Relay TB5 (fail-safe) 2A @ 30 VAC (nonsupervised)

Common

Trouble (Normally Open)

Normal (Normally Closed)

Alarm Relay TB6 2A @ 30 VAC (nonsupervised)

Common

Normally Closed

Normally Open

Supv. Relay TB7 2A @ 30 VAC (nonsupervised)

Common

Normally Closed

Normally Open

TB1

+

-

+

-

TB2

B+ B-

B+

B-

TB3

B+

B-

B+

B-

B+

B-

B+

B-

C TRBL NORM

C

NC NOTB6

C

NC

NO TB7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TB5

 

 

 

 

 

 

Nonreset

Reset

 

NAC 1

NAC 2

 

ZONE 1 ZONE 2

ZONE 3 ZONE 4

TROUBLE

 

ALARM

 

SUPV

 

TRANSFORMER 2

J9

TRANSFORMER 1

J7

J7 Transformer

Connector

J9 Transformer

(optional)

120 VAC, 2.3A or 220/240 VAC, 1.15A

Hot

Neutral

Earth

(supervised, nonpower-limited)

 

 

 

 

 

CLASS A

 

 

JP3

 

 

 

 

 

 

 

 

 

 

 

 

 

CONVERTER

 

 

 

 

 

 

Class A

J1

 

JP3 - Cut to disable

 

 

 

 

 

 

 

 

 

Converter Module

J3

Ground Fault

 

 

 

 

 

 

 

 

detection (only with

 

 

 

ZONE 1

 

 

 

 

 

 

 

 

 

 

 

approval of AHJ)

FIRE ALARM

SUPERVISORY

TROUBLE

MAINTENANCE

J5

 

 

 

 

 

 

 

 

 

 

 

 

ZONE 2

 

 

 

 

 

FIRE ALARM

SUPERVISORY

TROUBLE

MAINTENANCE

 

J3 and J5

 

 

 

 

 

 

 

 

 

 

 

 

ZONE 3

 

 

 

 

Option Module

FIRE ALARM

SUPERVISORY

TROUBLE

MAINTENANCE

 

Connectors

 

 

 

 

 

ZONE 4

 

 

 

 

 

FIRE ALARM

SUPERVISORY

TROUBLE

MAINTENANCE

 

 

AC

NAC

ZONE

NAC

SYSTEM

POWER

WALK

ALARM

 

 

POWER

DISABLE

DISABLE

FAULT

TROUBLE

TROUBLE TEST

SILENCE

 

 

ACK

ALARM

RESET

 

WALK

 

 

 

 

SILENCE

 

 

 

TEST

 

 

 

 

 

ZONE

 

 

 

 

 

 

1

 

ENABLE/DISABLE

3

 

4

 

 

 

2

 

 

J4

 

 

 

 

 

 

 

J6

J4 and J6

 

 

JP2

 

JP1

 

Option Module

 

 

 

 

 

TB8

 

1 2

ON

ON 1 2

ON 1 2

 

Connectors

HOT NEUT EARTH

BATTERY

 

ms4bord.cdr

SW1876543

SW2876543

SW3876543

 

 

EARTH BATT CHG

 

 

 

 

 

 

J8

 

 

 

 

 

 

SW1, SW2 and SW3

Programming DIP Switches

Module Placement Supervision (if installed)

JP1 - cut to supervise module on J3 & J5

JP2 - cut to supervise module on J4 and J6

J8 Battery

 

 

 

 

 

 

 

 

 

Connector

 

 

Charger Fault LED

(supervised,

 

 

 

 

 

Battery Fault LED

nonpower-limited)

 

 

 

 

 

Earth Fault LED

18 Amp Hour max.

 

 

 

 

 

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

9

Page 9
Image 9
Honeywell MS-2 manual MS-4E Main Circuit Board, Supv. Relay TB7 2A @ 30 VAC nonsupervised

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.