Field Wiring
44
Figure 28: Main Fire Alarm Control board Field Terminal Connections ( continued)
Notes:
• All circuits are power limited (unless marked otherwise) and must use type FPL, FPLR, or FPLP power
limited cable.
• NACs are fully supervised and rated for 24 VDC
Regulated
, 1.7A max. They must be wired as
shown
in the
Wiring Tables and Information
section.
BELL, HORN, OR
STROBE
Legend:
3.9K 1/2W ELR LISTED S5434
MODEL MP-300 MANUFACTURED
BY MIRCOM
SUPERVISED NAC # 1
INDICATION
NAC 0
NAC 1
NAC 2
NAC 3
CIRCUIT 1
(POWER-LIMITED)
(POWER-LIMITED)
(POWER-LIMITED)
(POWER-LIMITED)
(POWER-LIMITED)
CLASS A
WIRING
(CLASS A)
WIRING
INDICATION
CIRCUIT 2
CLASS B
WIRING
CLASS B
WIRING
SUPERVISED NAC # 0
ANALOG
POWER-LIMITED, REGULATED
POWER-LIMITE
D
LOOP 2
CONNECTIONS
(LOOP 0 AND
LOOP1 ARE
INTERNAL
ADDRESSES
FOR FIRST 8
CARDS AND
SECOND 8
CARDS
RESPECTIVELY
+
4-WIRE
POWER
SUPPLY
-
+
AUX. POWER
-
TRB
RTI
INTERFACE
E+
+
TS2
I+
_
_
TRL
ANALOG LOOP FIELD WIRING
(CLASS A OR B)
SEE ANALOG LOOP WIRING SECTION
POWER-LIMITED, 22V DC, 400 mA MAX
Maximum Loop Resistance 40 ohms
22V DC, 400 mA MAX
5 mV Ripple
CONNECTION TO MIRCOM RTI
REMOTE TROUBLE INDICATOR
(SEE RTI INSTALLATION
INSTRUCTION) BLK TO TRB+ BLU
TO TRL-RED & WHT TO AUX.
POWER COM+
END OF LINE RELAY
LISTED S3403
MODEL A77-716B
MANUFACTURED BY
SYSTEM SENSOR
2
3
4
1
6
5
+
-
+
-
TO
INITIATING
CIRCUIT
+
-
+
-
POWER
+
-
DETECTION
4-WIRE
DETECTION
DEVICE
AUXILIARY POWER
FOR REMOTE ANNUNCIATORS
24 VDC SPECIAL APPLICATION
1.7 AMPS MAXIMUM
RTI
BLK
BLU
RED & WHT
LOOP
2
B
A
+
-
+
-
+
-
-
+
+
+
-
-
SUPERVISED NAC # 3
INDICATION
CIRCUIT 1
INDICATION
CIRCUIT 2
SUPERVISED NAC # 2
+
-
-
+
+
+
-
-
NAC External Power
Connection
NOT
USED
TS2 Terminal Block is
located on the bottom
right corner of the main
fire alarm board
Class B
