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The M302 Monitor Module
Style D Initiating Device Circuit (Utilizing M300)
The Style D IDC (Initiating Device Circuit), utilizing an M300 Monitor Module, is supervised and power-limited.
Style D Circuit using M300
FIGURE 2-20:
Resettable 24 VDC
4-wire smoke
detector power
(300 mA max.)
+
-
+
T
B
1
2
3
4
24V (+) TB4-5
24V (-) TB4-6
Note: An ELR is not required when wiring Style D (Class A).
38
To Next Device on Loop
+
-
+
-
4
5
6
-
See note
-
-
+
+
+
-
CAUTION! Do not loop wiring
under any terminals. Break wire
run to maintain supervision.
M300
MS-9200
Document #50428
Rev.C1
2/15/99
UL listed Power Supervision Relay
(must be wired as last device on
loop as shown).
-
24 VDC
+
+
4-Wire
Smoke
-
+
+
Detector
-
+
-
+
Manual Pull
Station
-
+
-
+
Heat Detector
Loop Out
Shield
A
B B+ A+ B- A-
T
B
1
2
3
4
5
6
SLC (+) TB6-3
SLC (-) TB6-5
P/N 50428:C1
-
-
6
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