EXP-SD-SFC-120V-V1
Larson Electronics, LLC
Phone: (800) 369-6671
Fax: (903) 498-3364
www.larsonelectronics.com
6
of
9
JUMPER
Depending on the wiring option that is used, jumpers may be required. See Table for the Jumper Usage Guide, and
Figures 12 to 15 for wiring examples.
Jumper Usage Guide
Wiring
..
0-20 mA
Relay
Option
1
Used
No jumper
Not
No jumper
required
Used
required
No jumper
Jumper
2
Used
Used
required in
required
terminals 7 &
4 (P5)
Jumper
I
Jumper
3
Not
required in
Used
required in
Used
terminals 5 &
terminals 7 &
4 (P11)
4 (P5)
WIRING PROCEDURE
Ensure that all cables are terminated properly.
Conductor insulation should be stripped off
with a bare conductor length of 0.2 inch
(5 mm) minimum and 0.7 inch (18 mm) maximum. Ensure
that cable shield is properly terminated and that bare shield wire is not
allowed to accidentally
contact the metal housing or any other wire.
Use the following instructions when wiring the
EXP-SD-SFC-120V-V1
detector:
1. Slightly loosen the three setscrews located on the retaining ring
RETAINING RING
2.
Unscrew the retaining ring to gain access to the wiring terminals (see Figure
8), and
complete the installation of the system conduit Feed the external
wiring through the remaining junction box entry or M25
to 3/4 inch adapter.
When installing the junction box, use care not to damage the wires and
refrain from twisting them.
WIRING --.
,--
----�
TERMINALS
RETAINING RING
3.
Connect the external wiring to the
appropriate terminals.
-
Figure 9 shows the wiring terminals.
-
Figure 10 shows the ground lug
locations.
-
Figures 12 and 13 show wiring for single
detector configurations.
-
Figures 14 and
15
show wiring for multiple detector configurations.
4.
Re-install the assembly. Use the alignment guide (see Figure 11) to align the
retaining ring with the junction box.
5.
Screw the retaining ring on to the jurrction box and re-tighten the three setscrews.
RELAY
OUTPUTS
6 NC ALARM
.,
7 COM FAULT
8 NO FAULT
PS
POWER
SUPPLY &
0-20 mA OUTPUT
-mA �
-Vin 4
+ Vin 3
-Vin 2
+Vin 1
P11
Figure 9
