System Sensor Accuflow LFD20 Installation And Maintenance Instructions page 3

Figure 3. Wiring LFD to bell:
AUX RELAY
TERMINALS
POWER SOURCE
Figure 4. (4 Wire Addressable) Wiring the LFD to an addressable
panel using an auxiliary power supply for power:
Remove the Relay Wires from under the Power Terminals. Connect these
wires to the Addressable Module.
AFD
ENCLOSURE
AUX RELAY
TERMINALS
AUX RELAY
TERMINALS
POWER
TERMINALS
RELAY
WIRES
AUX.
POWER
OUTPUT
FACP
SLC
MODULE
LOOP
NOTE: PLACE MODULE EOL
RESISTOR ACROSS RELAY
WIRES INSIDE AFD COVER.
Figure 5. Wiring the LFD using 4 wires. (Aux. Power from Panel):
Remove the Relay Wires from the Power Terminals. Cut off the spade lugs
from the ends of the Relay Wires. Put wire nuts over ends of Relay Wires
as shown. Use Aux. Relay Terminals to make connection to panel and next
device as shown.
AUX RELAY
TERMINALS
AUX. POWER
OUTPUT
FACP
INITIATING
LOOP
NOTE: To comply with NFPA code, never put more than two wires in
a wire nut.
D770-30-00
POWER
TERMINALS
BELL BELL
AFD
ENCLOSURE
POWER
TERMINALS
RELAY
WIRES
EOL POWER
SUPERVISION
MODULE RELAY (SHOWN
ENERGIZED)
A77-716 12/24V
NOTE: PLACE MODULE EOL
RESISTOR ACROSS RELAY
WIRES INSIDE AFD COVER.
POWER
TERMINALS
RELAY
WIRES
EOL POWER
SUPERVISION
RELAY (SHOWN
ENERGIZED)
A77-716 12/24V
EOL
Break wire as shown for
supervision of connection.
DO NOT allow stripped wire
leads to extend beyond
switch housing. Do NOT
loop wires.
firealarmresources.com
Figure 6. Wiring the LFD to a panel:
Leave the Relay wires installed under the Power Terminals and connect
the panel initiating loop wires as shown below.
AUX RELAY
TERMINALS
FACP
Figure 7. Wiring the LFD to a panel and other device:
Leave the Relay Wires installed under the Power Terminals and connect
the panel initiating loop wires as shown below. The LFD requires power
to operate, therefore connect the FACP initiating loop wires to the Power
Terminals and Relay Wires as shown. If power should be interrupted
before the panel, the batteries in the panel will maintain power to the
LFD.
AUX RELAY
TERMINALS
FACP
POWER SOURCE
Figure 8. (2 Wire Addressable) Wiring the LFD to an addressable
panel using the SLC loop wires for power:
Remove the Relay Wires from under the Power Terminals. Connect these
wires to the Addressable Module.
NOTE: Consult FACP Manufacturers' Compatibility Guide prior to
installation.
AUX RELAY
TERMINALS
INTELLIGENT
FACP
Relay wires and power terminal wiring must be contained within either a
common enclosure or enclosures within 20 feet of each other with wiring
inside conduit.
3
POWER
TERMINALS
RELAY
WIRES
EOL
OR NEXT
DEVICE
POWER
TERMINALS
RELAY
WIRES
EOL
OR NEXT
DEVICE
BELL BELL
POWER
TERMINALS
RELAY
WIRES
TO NEXT MODULE
MODULE
OR EOL
CAUTION
I56-1620-002R