Connecting external alarms, Connecting rki detector heads – RKI Instruments Beacon 800 User Manual
Page 17
Beacon 800 Gas Monitor Operator’s Manual
Wiring the Beacon 800 Gas Monitor • 14
Connecting External Alarms
Perform the following procedure to connect external alarm devices to the Beacon 800.
NOTE: The alarm terminal strips include terminals that are dedicated to individual
channels and levels of alarm. The controller terminal strip includes terminals for
common alarms (dedicated to all channels).
The example used in this procedure describes connecting an external alarm
device to the channel 1, alarm 1 terminals on the alarm terminal strip.
1.
Locate the applicable alarm terminal strip (see Figure 1 on page 4).
2.
Install an appropriately rated cable bushing or conduit in an unused conduit hub on
the bottom of the Beacon 800.
3.
Guide the wiring of the external alarm device through the selected conduit hub on the
bottom of the Beacon 800 housing.
CAUTION: Do not route the external alarm wiring and detector head wiring through the
same conduit hub. The external alarm wiring may disrupt the transmission of
the detector head signal to the Beacon 800.
4.
Connect the leads from the external alarm device to the alarm terminal strip as shown
in Figure 8.
Figure 8: External Alarm Wiring
5.
Repeat steps 3 and 4 for additional external alarm devices.
Connecting RKI Detector Heads
Perform the following procedure to connect an RKI detector head to the Beacon 800.
1.
Turn off Power to the Beacon 800 at the power source.
2.
Open the Beacon 800 door and place the power switch in the off position.
3.
See the detector head instruction manual for instructions on how to connect wires to
the detector head.
4.
Install an appropriately rated cable bushing or conduit in an unused conduit hub on
the bottom of the Beacon 800 housing.
5.
Route the wires in conduit or shielded cable from the detector head through the
selected conduit hub into the Beacon 800. See Table 4 below for wire size and
Beacon 800
Alarm Terminal Strip
External
Alarm Device
(H) +
(N) -
C NO NC
CH1
External
Power Source
(H) +
(N) -