54
Field Wiring
8.2.4 Single Loop Terminal Connections - Class B
Figure 36 Single Loop Terminal Connections - Class B
Notes: All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.
Loop wiring: maximum loop resistance is 40 ohms total. These lines are fully
supervised.
Conventional Heat Sensors
and Manual Pull Stations
2 Pair
4-WIRE
RESETTABLE
SUPPLY
+
-
IND1 + (Y/Z)
IND1 + (Z)
IND1 - (Z)
IND1 - (Y/Z)
F
LEGEND
Addressable Smoke Sensor
with Standard Analog Base
Addressable Thermal Sensor
with Standard Analog Base
Conventional Smoke
Sensor
Addressable Manual
Pull Station
Combination
Horn/Strobe
Addressable
Monitor Module
Addressable Supvr.
Output Module
End-Of-Line-Resistor
TWO WIRES
TWO WIRES
S
H
S
C
s
C
s
C
s
F
F
H H
S
S
H
C
s
C
s
F
M
SO
M
TWO WIRES
M
SO
B
A
ANALOG
LOOP A
+
-
+
-
SHIELD
FX-2000
MAIN FIRE ALARM BOARD
ALC-198S SINGLE
LOOP MODULE
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