8
Morrison Bros. Co. ‑ Dubuque, IA ‑ 800‑553‑4840
918S‑‑1130 PP rev 12‑21‑2020
!
b. If an overfill condition already exists when the “Test/Cancel” button is pressed, the Channel Alarm
Indicator(s) will illuminate prior to the sounding of the Audible Alarm associated with the “Test” mode.
(see Figure 1)
c. The 918 Series Alarm indicates the following:
• The BATTERY LOW indicator will flash momentarily at the beginning of the cycle.
• If the Audible Alarm is configured to sound with an alarm condition, it is loud and strong.
• The Channel Alarm indicators will illuminate when the Audible Alarm is not sounding. If configured
for no audible alarm, only the Channel Alarm indicator(s) will flash.
• BATTERY LOW indicator is NOT illuminated after the initial momentary flash.
2. If an overfill condition occurs while filling the tank, the Channel Alarm Indicator(s) is illuminated and the
Audible Alarm will sound (if so configured).
a. The alarm can be acknowledged and silenced by pressing the “Test/Cancel” button on the front of the
Alarm.
b.
If the...
i.
Autosilence feature is enabled
and the alarm is not silenced by the operator, the 918 Series Alarm
will continue in the alarm state for no more than 10 minutes at which point it will silence itself.
ii.
Autosilence feature is NOT enabled
and the alarm is not silenced by the operator, then the 918
Series Alarm will continue to alarm until the battery can no longer power the device.
Use as an Interstitial Alarm
1. Should the contacts associated with an interstitial switch be activated, the Alarm will immediately go into an
alarm state; it will sound the Audible Alarm (if so configured) and illuminate the Channel Alarm Indicator.
2.
If the...
a.
Autosilence feature is enabled
and the alarm is not silenced by the operator, the 918 Series Alarm will
continue in the alarm state for no more than 10 minutes at which point it will silence itself.
b.
If the Autosilence feature is NOT enabled
and the alarm is not silenced by the operator, then the 918
Series Alarm will continue to alarm until the battery can no longer power the device.
3. To check for an alarm state once the Alarm has silenced itself, press and hold the “Test/Cancel” button until the
alarm sounds at least three times while observing the Channel Alarm Indicators.
a. If there is an interstitial alarm state and the Channel Alarm Indicator(s) will illuminate prior to entering
“Test Mode.”
b. If there is not an interstitial alarm and the Channel Alarm Indicator(s) will not illuminate prior to
entering the “Test Mode.”
Maintenance
WArnIngS
•
Fire Hazard
– Death or serious injury could result from spilled liquids.
•
You must be trained to install or maintain this alarm.
Stop
now if you have not been trained.
• Any modification of this unit beyond what is outlined in this instruction will void product warranty.
• For your safety, it is important to follow local, state, federal and/or OSHA rules that apply to working inside,
above, or around the storage tank and piping area. Use all personal protective equipment required for working
in the specific environment.
• This device is intended to be used as an auxiliary warning to the operator of an abnormal condition of
the system, such as a possible overfill situation and should not be the only system in place to prevent an
unwanted condition, such as preventing a tank from overfilling. It is the sole responsibility of the operator to
continuously prevent any spillage regardless of the situation.
• Tanks could be under pressure. Vapors could be expelled from tank vents, piping, valves or fittings while
performing maintenance. Vapors could catch fire or cause an explosion.
Avoid
sparks, open flame, or hot
tools when working on tank system.
• Use a dampened cloth when cleaning the alarm enclosure to prevent static buildup and discharge.
• The only battery approved for use with the 918 Series Alarm is the Morrison Bros. Co. battery pack part
number 918SB-0128 2B.
• In the event of malfunction, contact Morrison Bros. Customer Service.
