37
Field Wiring
LT-1007, Conventional Device Compatibility Guide.
Figure 18 Main Fire Alarm Module Terminal Connections
Attention: Do not exceed 5 amps total current for main chassis MCC-1024-6(S)
indicating circuits, and 10 amps for main chassis MCC-1024-12(S).
Notes: The terminal blocks are "depluggable" for ease of wiring.
All initiating circuits are Compatibility ID "A".
All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.
+
-
+
-
TO
INITIATI NG
CIRCUIT
+
-
+
-
POWE R
+
-
4-W IRE
DETECTION
DEVICE
5
6
4
3
1
2
END OF LINE RELAY
LI STED S3 403
MODEL A 77- 71 6B
MANUFACTURED BY
SYS TEM SENSOR
LEGEND:
P1
3. 9K 1 /2W ELR LI STED S5 434
MODEL MP-300 MANUFACTURED
BY MIRCOM
COM
NOT
USED
+
COM (- )
-
+
-
RS48 5 (1)
NO
NC
RS48 5 (2)
COM
TROUBLE
NO
NC
COM
SUPV.
NO
NC
+
-
+
-
4-W IRE-B
4-W IRE-A
ALARM
MUST BE
CONNECTED TO A
LI STED POWE R
LIMITED SOURCE
OF SUPPLY
RESETTA BLE 4-W IRE SMOKE DE TECTOR
POWE R SUP PLI ES.
22 VDC, 20 0 mA EACH MA X., 300 mA TOTAL
MAX., 5 mV RIPPLE.
(POWER LIMITED)
COMMON TROUBLE
CONTACTS
28 VDC, 1 AMP
RESIS TIVE LOAD
AUXIL IARY COMMO N
ALARM CONTACTS
28 VDC, 1 AMP
RESIS TIVE LOAD
AUXIL IARY COMMO N
ALARM CONTACTS
28 VDC, 1 AMP
RESIS TIVE LOAD
USE TW ISTED SH IE LDED
PAIR
22 AW G UP TO 20 00 FT.
20 AW G UP TO 40 00 FT.
18 AW G UP TO 80 00 FT.
RS-485 INTERFACE TO
ANNUNCIATORS AND
OTHER DEVICES
(POWER LIMITED)
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