Mircom FX-2003-6DS Installation And Operation Manual page 55

8.2.2 Loop Terminal Connections - Style 7
FX-2000
MAIN FIRE ALARM BOARD
COM(-)
+
ANALOG
-
LOOP
CONNECTIONS
+
-
+
4-WIRE
RESETTABLE
-
SUPPLY
+
AUXILIARY
POWER
-
SUPPLY
Figure 34
i
Notes: All power limited circuits must use type FPL, FPLR, or FPLP power limited cable.
52
I
Loop Terminal Connections - Style 7
Isolators need to be close nipple connected to the device being protected.
Loop wiring: maximum loop resistance is 40 ohms total. These lines are fully
supervised.
S
F
I
ADDRESSABLE
SMOKE DETECTOR
WITH ISOLATOR BASE
M
I
Conventional Heat Sensors
and Manual Pull Stations
C
s
STYLE 7: For Style 7 operation use isolator
bases for the detectors and use isolator modules
(front and back as shown in this diagram) for the
addressable pull stations, monitor modules, and
control modules
LEGEND
Addressable Smoke Detector
S
with Isolator Base
Addressable Thermal Sensor
H
with Isolator Base
Conventional Smoke Sensor
C
s
Addressable Manual Pull Station
F
Fault Isolator Module
I
Addressable Monitor Module
M
Field Wiring
TWO WIRES
I
I
F
TWO WIRES
TWO WIRES
I
I
ADDRESSABLE
THERMAL
SENSOR
WITH
ISOLATOR
BASE
I
H