Field Wiring; Main Board Field Wiring; Figure 11 Initiating Device Circuit - Class B Wiring; Figure 12 Initiating Device Circuit- Class A Wiring - Mircom FR-320 Series Installation And Operation Manual

6.0

Field Wiring

6.1

Main Board Field Wiring

Wire devices to the terminals as shown in the figures that follow. Refer to Wiring Tables and
Information on page 30 for wire gauges and Appendix C: Specifications on page 90 for
specifications.
!
Caution:
6.1.1 Initiating Device Circuit Wiring
Wiring diagrams for the Initiating Device Circuits are shown below. The panel supports class A
and B wiring for the Initiating Device Circuits. The Initiating Device Circuits are supervised by a
3.9 kΩ EOL resistor or an active EOL resistor.
FIRE ALARM MAIN BOARD
INITIATING
CIRCUIT #1
INITIATING
CIRCUIT #2
ION SMOKE
DETECTOR
PHOTO SMOKE
DETECTOR
HEAT
DETECTOR
PULL STATION
Figure 11 Initiating Device Circuit – class B wiring
FIRE ALARM MAIN BOARD
INITIATING
CIRCUIT #1
INITIATING
CIRCUIT #2
ION SMOKE
DETECTOR
Figure 12 Initiating Device Circuit– class A wiring
22
Do not exceed power supply ratings.
+
-
+
-
SUPERVISORY
NOTE: ACTIVE END OF LINE
3.9K 1/2 WATT ELR RESISTORS MAY BE USED, BUT
THEY MUST BE USED ON ALL THE
INITIATING CIRCUITS.
CLASS A CONVERTER MODULE
+
-
+
-
4 MORE INITIATING
CIRCUITS NOT SHOWN
PHOTO
HEAT
PULL STATION
SMOKE
DETECTOR
DETECTOR
CLASS B
WIRING
INITIATING
CIRCUIT - 1
ALARM ZONE
CLASS B
WIRING
INITIATING
CIRCUIT - 2
SUPERVISORY
ZONE
CLASS A
WIRING
INITIATING
CIRCUIT - 1
ALARM
ZONE
CLASS A
WIRING
INITIATING
CIRCUIT - 2
SUPERVISORY
ZONE
SUPERVISORY