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BBU WIRING & SETUP
BATTERY REQUIREMENTS
Hazardous electric current. Can cause severe
burns and start a fire if the battery terminals are short
circuited. Install the battery in the battery case. To prevent
accidental shorting across battery terminals, close and latch
the battery case securely. Do not leave the battery uncovered.
Do not allow children to play around the battery backup
system installation.
The performance of your backup sump pump depends on
the battery used with it for power. We recommend using
our BAT40. You can also use a group 24M or 27M Deep Cycle
battery. They will provide acceptable performance and will
stand up well to long periods of little or no use.
This system is designed to work with either a sealed lead-acid
AGM battery or a flooded lead-acid battery. Use of a true Gell
Cell (often confused for AGM) or a standard automotive battery
with this charger is not recommended. An automotive battery
may require charging after only 1-2 hours of continuous use,
and the repeated charging cycles may cause early plate failure
in the battery.
Use only lead-acid batteries. This unit is not designed to use
with Li-Ion, NiMh, NiCAD, Liquid Polymer, etc.
Use only the recommended battery or one of the same type
and size so it will fit in the battery box (maximum size: 13" long
x 7" wide x 10" tall (330.2mm x 177.8mm x 254mm) including
terminals) and supply enough voltage for full performance.
BATTERY MAINTENANCE
Severe burn hazard. An acid-filled standard
lead-acid battery contains sulfuric acid. Avoid contact with
skin, eyes or clothing.
Note: To protect the battery case from chipping and gouging,
do not let the battery sit on a concrete floor. Install the battery
on a shelf or protective pad (plywood, 2x4s, etc.). Always install
the battery in a dry location that is protected from flooding.
PRE-QUALIFICATION TEST – 1 AND 2
Charger is charging at a very low level to try to bring a dead
battery back to life. If the battery is taking too long, try
resetting the charger once or twice (push the 'System Test' and
'Silence Alarm' buttons together to reset the charger).
10
SPECIAL FEATURES:
The charger is equipped with reverse battery, short circuit,
and "runaway charge" protection.
Possible Problems and Remedies
1.
Wrong Battery Voltage: Reconnect charger to a 12 volt
battery.
2.
Reversed Battery Connections: Check all connections.
The negative (black) on the battery must connect to the
negative (black) on the charger, and the positive (red)
on the battery must connect to the positive (red) on the
charger. Reversing the battery connections will cause the
'System Alert' and 'Silenced Audible Alarm' LEDs to flash.
3.
Thermal Runaway Condition: "Thermal Runaway" is the
technical term for the condition of the battery when some
(or all) of the cells have deteriorated to the point that they
won't take a charge. In this case, replace the battery
4.
Charge Time Monitor – 1 and 2: Battery took too long to
complete its charge. The "Charge Time Monitor" will shut
down the charger after 84 hours of continuous charging.
Possible causes are:
Pump ran for a long period of time during charging, or
Battery is too large for the charger (including several
batteries connected in a parallel circuit).
EXCESSIVE BATTERY DRAIN
Pump may have run for a very long time, discharging the
battery. In this case:
If 115VAC power is OFF, the charger shuts down until the
power comes back on, but the pump will run as long as the
battery charge lasts. You may need to replace the battery
afterwards.
If 115VAC power is ON, the charger/controller continues to
try to charge the battery at a charging rate of .5 AH until
the battery charge is more than 20%, at which point the
charger will resume charging at a rate of 2 AH.
If the pump is running and the AC power is on, you may
need to stop the pump to allow the battery to charge.
Follow the battery manufacturer's recommendations for
maintenance and safe use of the battery.
HYD983 (06-08-20)
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