14 Beacon 110 Operator’s Manual
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. Install an appropriately rated cable bushing or conduit to the left conduit hub on the
bottom of the Beacon 110 housing.
CAUTION: Only use the two factory installed conduit hubs on the bottom of the
housing for wire entry into the housing. Do not drill the housing for any
reason. See “Routing Wiring Into the Beacon 110 Housing” on page 13 for
more information.
4. Locate the 3-point AC in terminal strip in the lower left corner of the main PCB (see
Figure 1). The terminals are labelled L, N, and G.
5. Guide the AC power cord or wires through the left conduit hub on the bottom of the
Beacon 110 housing.
CAUTION: Do not route power and detector head wiring through the same conduit
hub. The power wiring may disrupt the transmission of the detector head
signal to the monitor.
6. Connect the AC wires to the AC power terminal strip as shown in Figure 7 below.
Figure 7: AC Power Wiring
Connecting the DC Power Source
WARNING: Verify that the power source is unplugged or turned off before you continue
with this procedure.
DC power may be used as a primary power source. If DC power (connected to the
External DC In terminals) is the primary power source, DO NOT connect AC power to the
AC In terminal strip.
A 24 VDC battery (connected to the External DC in terminals) may also be used as a
backup power source if AC power (connected to the AC In terminal strip) is the primary
power source. If your Beacon 110 does not include the battery charging feature, you may
use a self contained 24 VDC backup that keeps its batteries charged while AC power is on
and recharges the batteries when AC power returns after a power failure. If your Beacon
Ground
Neutral
Hot (Line)
AC In
Terminal
Strip
L
GN
100 VAC, 50/60 Hz
or
115 VAC, 50/60 Hz
or
220 VAC, 50/60 Hz
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