Wiring the beacon 200 gas monitor – RKI Instruments Beacon 200 User Manual
Page 19

Wiring the Beacon 200 Gas Monitor • 19
Wiring the Beacon 200 Gas
Monitor
This section describes procedures to connect the AC power source, DC
power source, external alarm(s), recorder, and detector head(s). See
Figure 5 for a general wiring diagram of all external wiring to the Beacon
200.
WARNING: Make all connections to the Beacon 200 before you plug
in or turn on the AC or DC power source. Before you
make any wiring adjustments, always verify that all power
sources are not live.
Connecting the AC Power Source
NOTE: If you are using DC power as the primary power source, go to the
next section, “Connecting the DC Power Source.”
The AC in terminal strip will accept 24 - 14 AWG wire. When selecting wire
to connect the AC power source to the Beacon 200, be sure to meet the
local electrical code. Also be sure to use an appropriate circuit breaker in
the AC line close to the Beacon 200 that meets the local electrical code.
Perform the following procedure to connect the AC power source to the
Beacon 200.
WARNING: Verify that the power source is unplugged or turned off at
the power source end before you continue with this
procedure.
1. Turn off or unplug all incoming power to the Beacon 200 at the power
source end.
2. Open the housing door, then place the power switch in the OFF
position.
3. Install an appropriately rated cable bushing or conduit to the right-most
conduit hub on the bottom of the Beacon 200 housing.
4. Locate the 3-point AC in terminal strip (see Figure 1). The terminals
are labelled LINE, NEUT, and GND.
5. Guide the AC power cord or wires through the right-most conduit hub
on the bottom of the Beacon 200 housing.