CPG #2561255

FIRELARM 2500 Operating Manual

A.4 Master Box Module (Model MBM)

Contents

1

UL LISTED: For use with the FireLarm 2500 Part No. 345-0235

Power requirements:

Standby: 30mA Max @24VDC

Alarm: 300 mA Max @24VCD Master Box Coil Resistance: 14.5 ohms

Trouble output: Positive 2.5 V goes low in trouble and SPDT contacts transfer. Contacts rated 2A@30VDC

Visual indicators: Yellow - Trouble/Disable

Yellow - Reset supervisory/ contacts off normal Disable capability: Switch provided (can be made inoperative) Size: 3"x5-1/2"

2

The Model MBM is a local energy type Master Box actuating module for use with the FireLarm 2500 Fire

Control Panel. The unit can be mounted in the control panel housing, if space is available, or in a

separate housing (CPG #327-0089). The circuit between the module and the master box is supervised to

 

detect an open circuit. Terminals are provided for the connection of the master box reset supervisory

3

contacts.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A switch is provided to disable the unit so

 

 

 

 

 

 

Figure A-5. MBM.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

that it will not trip the master box. Operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

of this switch will cause LED (D6) to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

illuminate. To make this switch inoperative,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

remove R42.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

If the master box is provided with reset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

supervisory contacts, the position of these

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

contacts may be supervised. When these

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

contacts are off normal LED D5 will

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

illuminate and the trouble outputs will be

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

activated.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM - (TERMINAL 43)

AUX PWER + (TERMINAL 44)

TERMINAL 13

TERMINAL 14

5.1K

CONNECT INTO

SUPV. CIRCUIT

WITH 5.1K OHM END-OF-LINE RESISTOR (#024-4556)

24VDC

.3A MAX.

BLACK

RED

GREEN

YELLOW

Figure A-6. MBM Module Wiring.

 

N.O. (TERMINAL 31)

 

 

YELLOW

COM (TERMINAL 30)

 

 

 

 

 

 

TO AUXILIARY

 

 

 

ALARM CONTACTS

 

 

 

CONTACTS SHOWN

HARRINGTON

 

IN NORMAL STANDBY

 

CONDITION

OR GAMEWELL

 

 

MASTER FIRE

MBM

 

ALARM BOX

 

 

 

 

 

 

OPTIONAL RESET

 

 

 

SUPERVISION

 

 

TRIP COIL

CONTACTS

 

ORANGE

BLUE

WHITE

 

 

 

RED

1 2 3 4

ORANGE

ORANGE

290-0016

A-4

Page 34
Image 34
CPG CPG #2561255 manual Master Box Module Model MBM, Figure A-5. MBM