Notification Appliance Circuit Wiring; Figure 15 Notification Appliance Circuit - Class B Wiring; Figure 16 Notification Appliance Circuit - Class A Wiring - Mircom FR-320 Series Installation And Operation Manual

6.3

Notification Appliance Circuit Wiring

The FR-320 Series Fire Alarm supports class B and class A wiring for its Notification
Appliance Circuits. Each circuit is supervised by a 3.9 kΩ EOL resistor or an active EOL
resistor. Each Notification Appliance Circuit provides up to 1.7 A, 5 A maximum total if no
auxiliaries are used.
FIRE ALARM MAIN BOARD
NOTIFICATION
APPLIANCE
CIRCUIT #1
NOTIFICATION
APPLIANCE
CIRCUIT #2
BELL
Figure 15 Notification Appliance Circuit – class B wiring
•
FIRE ALARM PANEL
MAIN BOARD
NOTIFICATION
APPLIANCE
CIRCUIT #1
NOTIFICATION
APPLIANCE
CIRCUIT #2
BELL STROBE
Figure 16 Notification Appliance Circuit – class A wiring
STROBE HORN
+
-
+
-
CLASS A
CONVERTER MODULE
HORN
3.9K 1/2 WATT ELR
CLASS B
WIRING
NOTIFICATION
APPLIANCE
CIRCUIT - 1
CLASS B
WIRING
NOTIFICATION
APPLIANCE
CIRCUIT - 2
CLASS A
WIRING
NOTIFICATION
APPLIANCE
CIRCUIT 1
CLASS A
WIRING
NOTIFICATION
APPLIANCE
CIRCUIT 2
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