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Operating Instructions
Operation
Before performing any wiring to sump
Dial sets the amount of
pump disconnect power to pump.
time the pump needs to
drain water from sump
1) Plug FloodAlert into a 120-volt
grounded wall outlet.
2)
Insert the battery jumper (See
Figure 2).
3)
Plug grounded pump into Flood-
Alert outlet.
4)
Run the sensor wire to the sump
and fasten using wire ties. Its
tip should be at the level where
you want the pump to begin
operating.
SETTING THE RUN TIMER
Battery
The run timer sets the pumping depth
Jumper
and how much water you prefer to
pump out of the pit. It does not start
Figure 2
timing until the water level drops
below the sensor wire. The moment
the water drops below the sensing
BATTERY
wire the run timer starts limiting
The jumper on the cover connects the
the pumps run time. Initially set the
battery to the circuitry. If the unit loses
time to 5-seconds. Test the operation
power the battery runs the alarm and
by filling the sump pit with water
sensor. It should be replaced every year
until the sensor wire is below water.
or when a power loss occurs for over
The timer should be set so that the
two days.
pump turns off before the water level
reaches the pump's inlet. If the water
To replace battery:
level reaches the pump's inlet, it will no
Purchase a 9-volt alkaline battery.
longer pump water. If a pump has an
Unplug the pump from the unit and
inlet on the bottom side of the pump
unplug the unit from the wall outlet.
and the water level is low enough to
Remove the battery jumper. Remove
allow air into the pump, an air-lock
the 4-screws holding the cover. Remove
condition may occur. Air-lock happens
the cover from the base by using a
when air is trapped in the pump and
rocking motion to free the receptacle
can not escape. Air-lock condition can
from its slide on tabs. Unsnap the
be avoided if the water level stays
old battery and snap in the new one.
above the pump's inlet. Adjust set-time
Replace the cover making sure to press
to remove desired amount of water
hard on the receptacle to slide it fully
and to avoid an air-lock condition.
onto its 3-tabs. Replace the 4-screws
holding the cover. Plug the unit into
the wall outlet and the pump into the
unit. Replace the battery jumper.
unit in with the cover removed. High
voltages are present.
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Plug sump pump
into outlet
Power Indicator
Light
Gives indication
that water is in
contact with sensor
Indicates pump
is running
When water is in contact
with sensor for 15 seconds
the alarm will sound and
the "Water Detected" and
"Pump Relay On" LEDs will
flash alternately
WATER SENSING
EST measures the surface area of
liquid contacting two metals. Since the
sump is grounded for safety reasons,
something metal in the sump must be
grounded. This might be the pump
case, the sump itself, or on a plastic
pump, it's motor shaft. The sensing
wire is the other metal. EST senses the
square inches of contact between the
two metals and their distance. The
purpose is to ignore thin water films
that might coat the surface of a wire
or pipe and only detect the main body
of water. It does not detect resistance
and touching the sensing wire to
ground does not activate it.
OIL FILMS
EST is able to break apart oil films that
might coat its sensing probe. Oil films
float on the surface of water adhering
to the surface of metals preventing
them from making electrical contact
Do not
with the water. EST's tiny fast moving
plug
electronic pulses move non-conductive
liquids away from the probe, busting
them apart if they manage to coat it.
2
WATER LEVEL
Water seeks its own level but
compacted soil causes it to deviate to
the path of least resistance. As a result
ground water will not rise at a uniform
level across your entire basement.
A sump pump pit must not only be
deep enough, but more importantly
maintain a low enough water level to
insure that the path of least resistance
remains underground and not across
the top of your basement floor. An
Figure 3
empty sump draws more groundwater
from surrounding areas than a full one.
Experience shows this to be roughly a
4:1 ratio; a 1-foot below grade peak
RATINGS
water level draws from only a 4-foot
Voltage . . . . . . . . . . . . . . . . . . 100-130 VAC
radius while a 3-foot below grade peak
water level extends this out to 12-feet.
Max. Current . . . . . . . . . . . . . 15-Amps Peak Run Current
A common error is setting the water
Locked Rotor . . . . . . . . . . . . . 40-Amps
level as high as possible to minimize
Starting Current . . . . . . . . . . . 40-Amps
pump cycling and later noticing that
water surfaces some distance away.
Battery . . . . . . . . . . . . . . . . . . 9-Volt Alkaline
Zcross technology in FloodAlert allows
Alarm . . . . . . . . . . . . . . . . . . . 80db @ 1m Alternating
you to set the water level as low as
Run Timer . . . . . . . . . . . . . . . . 2-60 Seconds
practical without worrying about high
cycle operation.
Patent . . . . . . . . . . . . . . . . . . . 6,820,483 others pending
Notes
Model AU5ES
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3
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