PFC-3005T Installation and Operation Manual
7
Figure 3: Detection and signal wiring
Legend
Pull Station
Smoke
Detector
Heat
Detector
Bell
F
F
S
R
Alarm threshold current is 21 mA.
Maximum loop resistance is 100 ohms.
ELR
3.9K
1/2W
F
S
R
TB2
Detection zone 1
F
F
ELR
3.9K
1/2W
Signal zone 1
Detection zone 2
+
-
+
-
22VDC 3mA STBY
5mV ripple
50 mA max. alarm
22VDC 3mA STBY
5mV ripple
50 mA max. alarm
24VDC unfiltered
1.7A max.
F
S
R
ELR
3.9K
1/2W
+
-
+
-
+
-
+
-
Detection zone 3
22VDC 3mA STBY
5mV ripple
50 mA max. alarm
F
S
R
ELR
3.9K
1/2W
Detection zone 4
22VDC 3mA STBY
5mV ripple
50 mA max. alarm
F
S
R
ELR
3.9K
1/2W
Detection zone 5
22VDC 3mA STBY
5mV ripple
50 mA max. alarm
F
S
R
ELR
3.9K
1/2W
ELR
3.9K
1/2W
Signal zone 2
24VDC unfiltered
1.7A max.
+
-
F
F