Installation
14. Hook the switch clamp over the switch bracket and
slide the assembly down over the hose coupling and
discharge pipe. Clamp the switch so that the water
level when the switch shuts off is above the BBU
pump's intake.
15. Replace the assembly in the pit, slide the hose
coupling up over the air gap so that it joins the
pipes, and tighten the clamps enough to keep
it there.
16. Check fit, alignment, etc. If everything looks good,
make sure that the BBU vertical switch is at the right
height and free of obstructions, then tighten the hose
clamps on the coupling.
17. Adjust the rod stop location on the BBU float rod to
give the desired switch travel. If necessary, nip off the
bottom of the float rod to provide clearance.
BBU Wiring and Setup
See Figures 4, 5, and 6 for battery installation and
connection information.
1. The pump leads are polarity sensitive; connect the
positive pump lead to the terminal labeled 'Pump +'
and the negative pump lead to the terminal labeled
'Pump –'.
NOTICE If the leads are reversed, the pump will run
backward and not pump water.
2. The vertical float switch leads are not polarity
sensitive; connect the float switch leads to the 'Float
Switch' tabs on the Charger/Controller. If you are
using two batteries, use the second set of terminals
(see Figure 4) and connect the second battery in the
same manner.
Connect the positive (+) battery lead (red) to the
positive Charger/Controller terminal (red). Connect
the negative (–) battery lead (black) to the negative
terminal (black) on the Charger/Controller.
3. Test the float switch and the pump by lifting and
holding the float rod. The 'Pump Status' LED will
light continuously and the buzzer will beep steadily.
The pump should start after 3 seconds. If the pump
does not run, check all the connections and remake
them as necessary.
4. With the pump operating, press the 'Silence Alarm'
button; hold for one second; release. The 'Silenced
Alarm' LED should illuminate and the buzzer should
stop sounding. To reset the buzzer (make it sound)
and extinguish the 'Silenced Alarm' LED, press the
'Silence Alarm' button again for one second.
5A. To stop the pump, lower the float switch; after
3 seconds the pump should stop, the 'Pump Status'
LED should flash, and the buzzer should beep.
5B. Depress the 'System Test' button; hold it for one
second; release. The 'Pump Status' LED should
stop flashing.
Battery
Inputs
Figure 4: The battery input is inside the battery case.
Support the case when opening it. The support must
be at least 4" thick.
Figure 5: Install the battery in the case. Have someone
support the case while you do this. Once the battery
is in the case, connect the leads from the charger/
controller: +(Red) to +(Red), and –(Black) to –(Black).
Figure 6: Close and latch the case while holding it
in position.
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