RKI Instruments Beacon 110 - Manual (Page 19)

Beacon 110 Operator’s Manual 15
6. Connect the DC wires to the controller terminal strip as shown in Figure 8.
Figure 8: DC Power Wiring
NOTE: The Beacon 110 will operate from the DC input down to 18.5 volts. If a self
contained backup battery is used, see its operator’s manual for a description of
its recharging characteristics. If your Beacon 110 includes the battery charging
feature and a backup battery is used, the Beacon 110 will recharge the battery
when AC power has returned after a power failure. See “Battery Charging
(Optional)” on page 21 for a complete description of the battery charging
feature.
Connecting External Alarms
Perform the following procedure to connect external alarms to the Beacon 110.
1. Turn off or unplug all incoming power to the Beacon 110.
2. Open the housing door, then place the power switch in the OFF position.
CAUTION: The power switch does not control DC input power.
3. Locate the alarm terminal strip. See Figure 1 “Beacon 110 Component Location” on
page 4, to assist you in locating the alarm terminal strip.
4. Install an appropriately rated cable bushing or conduit in the left conduit hub on the
bottom of the Beacon 110 housing. This hub is typically used for power wiring and
may already have conduit or other fittings installed because of this.
5. Guide the wiring of the external alarm through the left conduit hub on the bottom of the
Beacon 110 housing.
CAUTION: Do not route the external alarm wiring and detector wiring through the same
conduit hub. The external alarm wiring may disrupt the transmission of the
detector signal to the Beacon 110.
EXT DC
(24V BATT)
+ -
+
-
24 VDC
External DC In Terminals
on Controller Terminal Strip