4
Morrison Bros. Co. ‑ Dubuque, IA ‑ 800‑553‑4840
918SB‑0134 PP rev 8‑3‑2017
The Channel Input Connector
Insert the wire fully into the connector and snug the screw.
Figure 2 Wiring the Channel Input Connector
• The Channel Alarm indicators will illuminate when the Beacon is not illuminated and the Audible
Alarm is not sounding (if so configured).
• Beacon is illuminated when the Audible Alarm is NOT sounding (if configured to sound when an alarm
event occurs) and the Channel Alarm indicators are not illuminated.
• BATTERY LOW indicator is NOT illuminated after the initial momentary flash.
d.
Troubleshoot
as needed. If the Audible Alarm does not sound, the Beacon does not flash or the
BATTERY LOW indicator illuminates after the initial flash, replace the 918SB Battery Assembly (see
instructions, below). If the Audible Alarm still does not sound, the Beacon does not illuminate, or the
BATTERY LOW indicator illuminates, replace the Alarm Box or call Morrison Bros. Co. Customer
Service.
e.
Turn off
the power switch, SW5 before proceeding (see Figure 1).
4.
Connect
the two wires from each input device to the Input of the Alarm
a. Connect the two wires from each input device to their respective Channel Input Connector(s) (see Figure
2).
b. Verify that the wires are securely held in the connector by gently tugging on them. Plug the connector
onto the Channel Input pins of the Alarm Circuit Board (see Figure 3).
Strip off about ¼ inch (5mm) of insulation from the wire and twist the striped end to eliminate stray wire
strands as shown above.
Figure 3 Plug the Channel Input Connector(s) onto the Channel
Input Pins of the Alarm Circuit Board (918QB shown)
Channel 1
J1/P1
(SB/DB/QB)
Channel 2
J2/P2
(DB/QB)
Channel 3
J3/P3
(QB)
Channel 4
J4/P4
(QB)
