Fire-Lite MS-2 User Manual page 8

IDC (4.7 KΩ, ½ watt ELR)
NAC (4.7KΩ, ½ watt ELR)
2.5A max.
B-
B+
24 VDC
Resettable Power
500 mA max.
- 24 VDC
+ 24 VDC
+ -
Reset
J7
J7 Transformer
Connector
8
MS-2 Main Circuit Board
Zone 2 B-
Zone 2 B+
Zone 1 B-
Zone 1 B+
B+ B- B+ B- B+ B-
ZONE 1 ZONE 2
NAC 1
ZONE 1
FIRE ALARM SUPERVISORY
ZONE 2
FIRE ALARM SUPERVISORY
NAC ZONE NAC
AC
DISABLE DISABLE FAULT
POWER
ALARM
ACK
SILENCE
ZONE
ENABLE/DISABLE
1
TB8
BATTERY
HOT NEUT EARTH
120 VAC, 2.3A
Earth
Neutral
Hot
(supervised)
C TRBL NORM
TROUBLE
TROUBLE MAINTENANCE
TROUBLE MAINTENANCE
ALARM
POWER WALK
SYSTEM
SILENCE
TROUBLE TEST
TROUBLE
WALK
RESET
TEST
2
EARTH BATT CHG
J8
SW1 SW2 SW3
Charger Fault LED
Battery Fault LED
Earth Fault LED
J8 Battery Connector
18 Amp Hour max.
Trouble Relay (fail-safe)
2 amps @ 30 VAC
Common
Trouble (Normally Open)
Normal (Normally Closed)
Alarm Relay
2 amps @ 30 VAC
Common
Normally Closed
Normally Open
C NC NO
ALARM
JP3
JP3 - Cut to disable
Ground Fault
detection (only with
approval of AHJ)
SW1, SW2 and SW3
Programming DIP Switches
MS-2/MS-4 PN 51512:B 08/28/02