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Operating Instructions and Parts Manual
Maintenance
4. Unplug the main pump and fill sump
(Continued)
with water until back up pump turns
on. Repeat process two times to be
3. Inspect the terminals and clamps
sure pump is operating normally.
for corrosion and tightness. Clean
and tighten as required.
Troubleshooting Chart
Symptom
Possible Cause(s)
Pump won't run
1. Connections not secure
2. Low or defective battery
3. Float switch stuck
4. Defective or blown fuse
Motor hums but
1. Defective battery
pump won't run
2. Impeller is locked
Pump runs but
1. Check valve missing or improperly
pumps very little
installed
or no water
2. Obstruction in discharge pipe
or pump inlet
3. Discharge pipe length and/or
height exceeds capacity of pump
4. Low or defective battery
Pump cycles too
1. Check valve problem
frequently
No yellow light
1. Battery connection problem
Red light is on
1. Blown pump fuse
with alarm
2. Low battery voltage
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5. If pump operates normally, plug
PS/BC into wall outlet, turn on main
pump. If pump fails to operate
normally, see Troubleshooting guide
and correct problem. Repeat step 5.
Corrective Action
1. Check all connections
2. Check battery and replace if low or defective
3. Make sure nothing is interfering with operation of switch
4. Check internal fuse located on the PS/BC. Pull the charger from
the wall outlet and remove. If the fuse is blown, replace it with
an automotive type fuse of the same amp ratio.
1. Check battery and replace if low or defective
2. Unplug pump, volute, and check to see if impeller is free to turn.
If impeller is locked, remove the obstruction. Reassemble pump
and reconnect
1. Check to make sure check valves installed between primary
pump discharge and Backup Sump Pump are functioning
properly
2. Check for obstruction and clear if necessary
3. If discharge is too high, a separate line may be required with a
lower discharge height
4. Check battery and replace if low or defective
1. Check to make sure check valves installed between primary
pump discharge and Backup Sump Pump are functioning
properly
1. Verify battery connection is correct
1. Check fuse and replace with a fuse of same rating and size
2. Check battery voltage. PS/BC will not charge batteries with a
combined voltage of 21.6 VDC or less
6
Pump Installation
Installation of this
unit may take
several hours. Before disabling your
main pump, have ready an appropriate
means of evacuating the sump.
1. Turn power to main pump off.
2. Pump must be installed using 1
1
/
"
4
or 1
1
/
" rigid PVC piping.
2
Pump Installation
The ESP45 can be installed as a back up
system with a separate dedicated
discharge line (Method 1), or tied into
an existing sump pump line (Method 2).
Unplug the existing
AC pump. Failure to
Batteries
follow this warning could result in fatal
electrical shock.
1. Verify that the existing AC pump is
in good working order. If the AC
pump is questionable, it is typically
recommended that the unit be
replaced with a 1/3 or 1/2 HP pump.
2. Remove any silt or accumulated
debris from the sump pit and
surrounding area.
Method 1 (Preferred)
Figure 2 - Method 1
1. Locate the ESP45 on a solid, level
surface in the sump pit. Do not
5. Place the pump with the 4' section of
place the pump on a loose or sandy
PVC pipe on a solid, level surface in
surface. Small stones or sand may
the sump pit on an elevated surface.
damage the pump resulting in
6. Attach a rubber check valve (sold
potential pump failure.
separately) to the top of the
2. This pump has a 1
1
/
" NPT discharge.
2
discharge pipe. This will allow the
If a 1
/
" discharge pipe is desired,
1
4
pump or check valve to be removed
an adapter (not included) will be
easily for servicing.
necessary. Smaller diameter piping
7. Check valve is required for effective
will reduce pump flow, rate and
operation of system.
performance.
NOTE: Check valves can be placed
3. Cut a 4' section of 1
/
" or 1
/
"
1
1
4
2
directly in the pump discharge if
diameter rigid PVC pipe. Cement
desired. However, for ease of
1
1
/
" pipe to a threaded fitting.
4
disassembly, it is recommended that
Cement 1
/
" pipe into pipe
1
4
check valves be placed above the sump
coupling. Attach 1
1
/
" pipe section
4
as shown in Figure 2.
to the ESP45 discharge adapter.
The remainder of the discharge pipe
4. Screw on to pump discharge.
installation will vary depending on
Be careful not to
individual circumstances. Using sound
strip or cross thread
plumbing practices, route the
plastic fittings or check valves. Flex hose
discharge pipe to an exterior wall by
is not recommended. Rigid PVC or metal
pipe is required for a permanent
the shortest path. Keep turns to a
installation.
minimum because they reduce flow
output of the pump. The pipe that
exits the building structure should be
Floor
Joist
Slope
Ridgid
Pipe
PVC
Down
Pipe
Check Valve
(See Step 6)
PS/BC
Battery
Box
ESP45
Existing Pump
Pump
sloped downward so that water will
not freeze in the pipe.
When installing the separate discharge
pipe, drill through the outside wall with
appropriate drilling equipment. Seal the
hole to prevent water from entering.
Method 2
If a separate, dedicated discharge is
not possible as in Method 1, the ESP45
pump can be tied in to the AC-
operated pump's discharge pipe by
installing a "Y" connector. Two check
valves will be required.
1. Locate the ESP45 on a solid, level
surface in the sump pit. Do not
place the pump on a loose or sandy
surface. Small stones or sand may
damage the pump resulting in
potential pump failure.
2. This pump has a 1
1
/
2
If a 1
1
/
" discharge pipe is desired,
4
an adapter (not included) will be
necessary. Smaller diameter piping
will reduce pump flow, rate and
performance.
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3
ESP45
1
1
/
" or
4
1
1
/
"
2
PVC Pipe
" NPT discharge.
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