SEC Sentry 822 PS - How to Discern When Pump Sentry Is Operational in Back up Mode; How to Discern When Pump Sentry Is Operational in Standby Mode; Fuses; Audible Alarm

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How to Discern When Pump Sentry is Operational in the Backup Mode
When all LED’s of the battery monitor are OFF, and the pump sentry is plugged into an AC outlet, the
unit is in the back up mode. In this mode when there is sufficient energy in the battery to operate the
system, the uninterruptible power LED is illuminated. Once the battery is depleted the uninterruptible
power light will extinguish, indicating an absence of AC power at the Pump Sentry’s output.
How to Discern When Pump Sentry is Operational in the Standby (Line Power) Mode
When at least one of the Battery Monitor LED’s in ON, and the pump sentry is plugged into an AC
outlet, the unit is in standby mode. In this mode, the uninterruptible power LED remains illuminated.
Fuses
Figure #2 on page 14 shows the location of two protective fuses F1 and F2.
F1, the charger fuse, provides protection against charger or battery catastrophic failure. When this fuse is
blown the pump sentry will operate on standby power only until the battery is depleted.
F2, the main fuse, provides secondary protection against severe overload. When this fuse is blown, 120
VAC to the output receptacle of the pump sentry is cut off. In this state, the Uninterruptible Power LED
will be OFF. Replace fuses only with the types indicated on the fuse rating label of your unit which can
be found next to the fuse holders on the flat side of the unit to the left of the line cord.
Audible Alarm
While operating on Battery Backup Power, when the battery is depleted to the point where it dips below
10.8V, a high pitched audible alarm is emanated from the Pump Sentry. This is a sign, to the user, that
he will imminently loose battery power. If the maintenance of battery power is crucial, the user may
substitute the spent battery for a fully charged one, by carefully following the directions in the section
“Changing the Battery” on page 12.
If the audible alarm is found to be irritable, it may be turned off by simply turning off the ON/OFF
switch of the pump sentry. IT IS IMPORTANT TO TURN THIS SWITCH BACK “ON” WHEN THE
UNIT’S OPERATION IS REINSTATED. This should take place when utility power comes back on or
after the battery has been replaced. FAILURE TO DO THIS WILL LEAVE THE USER WITHOUT
BACK UP PROTECTION.