Figure 3: Detection and signal wiring
Legend
Pull Station
F
TB2
+
22VDC 3mA STBY
5mV ripple
50 mA max. alarm
-
22VDC 3mA STBY
5mV ripple
50 mA max. alarm
+
24VDC unfiltered
1.25A max.
-
Smoke
S
Detector
Alarm threshold current is 21 mA.
Maximum loop resistance is 100 ohms.
Detection zone 1
F
Detection zone 2
F
Signal zone
F
FA-102T Installation and Operation Manual
Heat
R
F
Detector
R
S
R
S
F
Bell
ELR
3.9K
1/2W
ELR
3.9K
1/2W
ELR
3.9K
1/2W
7
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