NOTICE TO INSTALLER: Instructions must remain with installation.
Product information presented
here reects conditions at time
of publication. Consult factory
regarding discrepancies or
inconsistencies.
95 North Oak Street • Kendallville, IN 46755
STAR
800-742-5044
®
visit our web site:
starwatersystems.com
FW1286
0413
SUPERSEDES
0611
S2n1 PREASSEMBLED SUMP PUMP SYSTEM
WITH BATTERY BACKUP
12V DC BATTERY BACKUP SYSTEM WITH 120V AC POWERED SUMP PUMP MODEL 3SDHL
PRE-INSTALLATION CHECKLIST
1. Inspect your pump. Occasionally, products are damaged during shipment. If the unit or any of the parts are
damaged, contact your dealer before using.
2. Read all the installation instructions regarding installing and start up. Retain for future reference.
1. WARNING: Make certain that the receptacle
is within the reach of the pump’s power supply
cord. DO NOT USE AN EXTENSION CORD.
Extension cords that are too long or too light do not
deliver sufficient voltage to the pump motor. But,
more important, they could present a safety hazard
if the insulation were to become damaged or the
connection end were to fall into the sump.
2.
3.
4.
WARNING: Make sure the pump electrical
supply circuit is equipped with fuses or circuit
breakers of proper capacity. A separate branch
circuit is recommended, sized according to the
“National Electrical Code” for the current shown on
the pump nameplate.
WARNING: Testing for ground. As a safety
measure, each electrical outlet should be checked
for ground using an Underwriters Laboratory Listed
circuit analyzer which will indicate if the power,
neutral and ground wires are correctly connected to
your outlet. If they are not, call a qualified licensed
electrician.
WARNING: For Added Safety. Pumping and
other equipment with a 3-prong grounded plug must
be connected to a 3-prong grounded receptacle. For
added safety the receptacle may be protected with a
ground-fault circuit interrupter. When a pump needs
to be connected in a watertight junction box, the plug
can be removed and spliced to the supply cable with
proper grounding. For added safety this circuit may
be protected by a ground-fault circuit interrupter. The
complete installation must comply with the National
Electrical Code and all applicable local codes and
ordinances.
5.
6.
7.
8.
9.
10.
WARNING: FOR YOUR PROTECTION,
ALWAYS DISCONNECT PUMP FROM ITS POWER
SOURCE BEFORE HANDLING. Single phase
pumps are supplied with a 3-prong grounded plug to
help protect you against the possibility of electrical
shock. DO NOT UNDER ANY CIRCUMSTANCES
REMOVE THE GROUND PIN. The 3-prong plug
must be inserted into a mating 3-prong grounded
receptacle. If the installation does not have such a
receptacle, it must be changed to the proper type,
wired and grounded in accordance with the National
Electrical Code and all applicable local codes and
ordinances. Pumps must be installed in accordance
with the National Electrical Code and all applicable
local codes and ordinances. Pumps are not to be
installed in locations classified as hazardous in
accordance with National Electrical Code, ANSI/
NFPA 70.
WARNING: “Risk of electrical shock” Do not
remove power supply cord and strain relief or connect
conduit directly to the pump.
WARNING: Installation and servicing of
electrical circuits and hardware should be performed
by a qualified licensed electrician.
WARNING: Pump installation and servicing
should be performed by a qualified person.
WARNING: Risk of electric shock - These
pumps have not been investigated for use in
swimming pool and marine areas.
WARNING: According to the state of California
(Prop 65), this product contains chemicals known
to the state of California to cause cancer and birth
defects or other reproductive harm.
11. CAUTION: Check to be sure your power source
is capable of handling the voltage requirements of the
motor, as indicated on the pump name plate.
12.
CAUTION: The installation of automatic pumps
with variable level float switches or nonautomatic
pumps using auxiliary variable level float switches
is the responsibility of the installing party and care
should be taken that the tethered float switch will not
hang up on the pump apparatus or pit peculiarities
and is secured so that the pump will shut off. It is
recommended to use rigid piping and fittings and the
pit be 18" or larger in diameter.
13.
CAUTION: Information - vent hole purpose.
It is necessary that all submersible sump pumps
capable of handling various sizes of solid waste be of
the bottom intake design to reduce clogging and seal
failures. A check valve with an integral weep hole
is incorporated in the installation to purge the unit of
trapped air (See Page 4). Trapped air is caused by
agitation and/or a dry basin. Vent hole should be
checked periodically for clogging. NOTE: THE HOLE
MUST BE CLEANED PERIODICALLY. Water stream
will be visible from this hole during pump run periods.
14.
CAUTION: Pump should be checked frequently
for debris and/or build up which may interfere with the
float “on” or “off” position. Repair and service should
be performed by Star Water Systems Authorized
Service Station only.
15.
CAUTION: Sump pumps are not designed for
use in pits handling raw sewage.
16.
CAUTION: Maximum operating temperature
for standard model pumps must not exceed 104°F
(40°C).
Note: Pumps with the "cCSAus" mark are tested to UL
Standard UL778 & CSA Standard C22.2 No. 108.
GENERAL INFORMATION
The 2N1 system is designed to provide a primary and a
backup sump pumping capabilities. The primary pump
will operate as long as it is receiving AC electrical power.
The AC power is interrupted, the backup sump pump
will begin pumping automatically. The primary pump,
backup pump, electronic controls and all parts required
for installation are included except the battery which is
supplied by the user.
1. The primary pump is equipped with an
omnidirectional mechanical float switch. The pump
will turn on automatically when the water level
in the sump reaches approximately 10.25” and
automatically turn off when the water is pumped
down to 4.125”. The back-up pump is equipped
with a vertical float switch. The pump will turn on
automatically when the water level in the sump
reaches approximately 11” and automatically turn off
when the water is pumped down to 9.25”.
© 2011. All rights reserved.
2. The sump pit must be a minimum of 22" deep and
18" in diameter. The pump assembly requires a
minimum diameter of 18" so that the float switches
will operate without restriction. Any smaller diameter
may restrict the switches operation, resulting in pump
failure.
INSTALLATION
1. For your safety, turn off the electrical power at the
service entrance to avoid any possible electrical
shock hazards.
2. On a replacement installation, remove the existing
pump from the sump by disconnecting the discharge
pipe or hose from the old pump. Depending on how
your old pump is installed, unscrew clamps and
discard old corrugated hose, or unscrew galvanized
or plastic pipe from pump discharge. If discharge
pipe cannot be removed easily, saw through the pipe
about five feet above the pump discharge.
3. After removing the old pump, remove sediment,
debris, and any standing water from the sump pit.
4. Place your pump assembly in the sump and attach
the discharge piping – The pipe must be supported
from above to ensure adequate support for the pump
assembly.
5. Be sure that the pump assembly is positioned so that
the float switches move freely without touching the
wall of the sump or other obstructions. (See Fig. 1)
Ensure that the “off” level of the float is 1" min. above
the discharge tee of the DC backup pump (see Fig.
1). Move floats up and down, making sure of free
movement without interference from any obstructions
inside the sump or lid. Very shallow sumps may
require some adjustment to the vertical float to avoid
overfilling or backing up of water into the sump inlet.
Check Valve
Pump
Discharge
Detail “A”
Charger
Outlet
Primary
Battery Box
See Detail “A”
FIGURE 1 - DC PUMP PLUMBED IN LINE WITH
SUBMERSIBLE PUMP
2
Pump Outlet
IMPORTANT: Off
level of float assembly
must be 1 in. minimum
above center of tee.
1 in. min.
Weep Hole Provided
Must be
installed
on two
separate
circuits
IL1007
6. Do not allow the cords to interfere with the float
control motion or to drape over the pump motor. With
electrician's tape, secure the cord to the discharge
pipe. This will provide protection for the cord and
make a neat installation.
7. Install DC control charger (see Fig. 2) by using
the wall bracket and anchors provided. If more
convenient, the control charger may be set on a
nearby shelf or ledge. The control charger should be
located 3 or 4 ft. above the sump. To reduce noise
from vibration, it is recommended that the charger be
anchored with the wall bracket provided.
8. Connect the leads from the control charger to the
battery terminals. Red pos. (+) lead to positive
terminal and black neg. (-) lead to negative battery
terminal. Upon proper connection, test alarm will
sound. Press alarm reset to silence. This indicates
proper charger to battery connection. Correct
battery hook up is essential for operation of the
system. Use wing nuts supplied with battery and
eyelet connectors on battery wire leads. The positive
terminal is the larger stud, 3/8" diameter. The smaller
stud, 5/16" diameter is the negative terminal. Apply
grease to the terminals to help prevent corrosion.
9. Connect the black lead from the pump to the negative
(-) battery terminal. Connect the white or red lead
from the pump to the white lead from the switch. This
connection is made at the fuse installed on the switch
wire (see Fig. 2). Connect the black lead from the
switch to the positive (+) battery terminal.
10. Connect the blue sensor wire to the sensor connector
(Fig. 2).
11. Close battery box and secure cover. Carpeted or
wood barrier between the battery case and the floor
is recommended.
12. Plug the control power cord into the 115V wall outlet.
The primary sump pump and the control box should
be on separate circuits.
13. Plug in primary pump and restore electrical power at
the service entrance.
INITIAL START-UP AND OPERATION
1. Test the installation for leaks by running water into
the sump allowing for normal operation of the primary
pump.
2. Check the control charger. The “red” power on light
will be lit when the unit is plugged into the 115V
wall outlet. The “yellow/green” light will indicate the
condition of the battery.
3. Disconnect primary pump before touching any
component in the sump pit.
4. Lift float switch. The DC backup pump will run and
the alarm will sound. Lower float switch immediately
after pump has started running. Pump is running
dry during initial check out for several seconds.
CAUTION Continuous dry running may cause
overheating and damage the pump seals. Upon
release of the float switch, the pump will shut off.
Press the reset button to turn the alarm off.
5. Complete the final testing of your installation by
disconnecting the power to the primary pump and the
DC Back-up
Pump
White or Red
Lead to Float
Splicer
Float Switch
Black Lead
to Negative
Battery Box
Clamp
15 Amp Fuse
White Lead
to DC Pump
FIG. 5
Black Lead
to Positive
DC
Control Box
Blue Lead to Float Switch
Black with Red Tracer to Positive
12 Volt Marine Battery
Supplied by User
Black Lead to Negative
IL1008
FIGURE 2
© 2011. All rights reserved.
3
control charger by removing the plugs from the 115V
wall outlets. Run water into the sump until the DC
backup pump is activated by the float switch. Check
all connections for leaks.
6. Push alarm reset switch when pump is running. This
will silence the alarm. The pump will continue to run.
7. Reconnect the control charger and your primary
pump to the AC wall outlets. The primary pump
should come on and lower the water level in the
sump back to the normal operating level and shut off.
Both primary and backup systems are now ready for
use.
8. The battery charged and charging LED’s will alternate
during normal charging operation.
9. Install a sump cover. A cover will prevent solid matter
from falling into the sump, prevent odors, and guards
against accidental injury.
BATTERY SELECTION
The DC emergency pump system requires a good quality,
12 volt battery to obtain maximum pumping time during
a power outage. A deep-cycle, 12 volt, 105 amp-hour
marine battery or larger is recommended and will provide
approximately 7½ hours of continuous pumping time in a
sump pump installation with 8' of head pressure. In most
installations the pump runs intermittently and the battery
life is extended accordingly. Batteries with top terminals
are recommended for ease of installation. These batteries
contain acid and proper precaution must be taken when
handling. Maximum battery size 12½" Length x 7" Width x
9½" Height.
There are millions of batteries manufactured each year,
so it is impossible to guarantee consistent quality. A
defective battery will never become fully charged and
may damage the charging circuits of the Control. It is
for this reason that Star offers its own line of batteries.
We offer both a Water/Acid Deep-Cycle Battery which
can run the pump continuously for over 7½ hours, and
a Maintenance-Free AGM Battery, which will power the
pump for over 3½ hours. These times are based on
continuous pumping at 10’ of static head. Actual times will
vary depending on static head, volume of water entering
the pit, and the condition of the battery.
Follow these recommendations:
• Use a B.C.I. size 27 deep-cycle battery, 175 minute
reserve capacity, or larger.
• Do NOT use a “maintenance-free” battery unless it is
a Gel-filled or AGM battery.
• Replace your battery every 3 years.
• Do not let corrosion build up on the battery terminals.
• Do not place your battery on a concrete floor where it
will discharge faster.
• To check specific gravity, follow the instructions on a
hydrometer (not applicable for Gel or AGM batteries).
PROTECT YOUR WARRANTY:
Water level in batteries must be checked once a month
(not applicable for Gel or AGM batteries).
CARBON MONOxIDE DETECTORS
Whether you have a “Silent Sentry®” Backup Pump
System, or a competitive brand, all use batteries that give
off gaseous by-products when charging. Some of these
by-products can produce a rotten egg odor. Also, some
of these by-products can cause a CO detector to falsely
activate. In order to help prevent false activation, Star
Water Systems recommends moving the battery as far
apart from the CO detector as possible or, if necessary,
vent the battery to the exterior. Star Water Systems
provides the previous statements only as guidelines to
help prevent false activation of the CO detector. In no
1-1/2 SCH 40
PVC Pipe x
8-3/4 in Lg.
Float Switch
017197
Power on “Red”
DC Pump
017198
Indicator
“Charging-Yellow”
1-1/2 SCH 40
PVC Tee
“Charged-Green”
Black Lead to
Neg. Battery Terminal
1-1/2 SCH 40 PVC
Pipe x 2-1/8 in. Lg
Check Valve Asm
w/Rubber Coupling
and Clamps
NOTE: Check Valve
Screws Into Primary
Pump Discharge.
Hand-tighten Only.
Weep Hole Must Be
Visible
3SDHL Primary Pump
IL1004
FIGURE 3 FIGURE 4
© 2011. All rights reserved.
4
Blue Lead to
Float Switch
Non-grounded
Power Cord
Black with Red Tracer
to Pos. Battery Terminal
Alarm
Reset
IL1009
way are they meant to supersede the instructions that
accompany the detector nor do they supersede advice
from the CO detector manufacturer.
If the audible alarm associated with your CO detector is
activated, we recommend the following actions:
1. Take immediate action for personal safety as
recommended in the CO detector literature.
2. Contact the appropriate agency to determine if the
CO is being produced by your furnace, water heater,
or any other device which uses natural gas.
3. If you are certain that no CO is being produced,
then a charging battery may be producing gaseous
by-products which are causing the CO detector
to activate. Contact the manufacturer and ask for
recommendations as to what can be done to prevent
the alarm activation.
MAINTENANCE
1. Inspect and test system for proper operations at least
every 3 months.
(a) Red power on indicator light should be “on”
indicating AC power is on.
(b) Unplug primary pump and the control charger
from power supply.
(c) Fill sump with water to the “on” level for the DC
pump. Allow pump to run a few minutes.
(d) The alarm will sound approximately 5 seconds
after the pump starts to run.
(e) Push alarm reset switch. The alarm will go “off”.
(f) Pump will shut off after water level is lowered and
the float drops to the off position.
2. Plug the control charger and the primary pump into
the wall outlet.
(a) The primary pump will come on and lower the
water to the normal operating level and shut off.
(b) The “yellow” charging light should be on. The
charger is replacing the energy consumed during the
test. The “green” light will come on after the charger
has replaced the energy consumed during the test.
3. Battery should be agitated gently every 3 months.
CAUTION: Battery acid is dangerous. Take
proper safety precautions. Do not splash the acid.
Add distilled water to battery when necessary per
battery manufacturer's instructions.
TROUBLESHOOTING
1. Charging and charged LED’s alternate frequently.
(a) This is normal.
2. DC Pump won’t run.
(a) Check 15 amp fuse in line from pump to switch
(see fig. 5). If fuse is blown, replace with 15 amp
Littelfuse type 3AG, series 311.
(b) Check for proper connections.
(c) Check all wire terminal points. Clean if required.
(d) Check for low battery. Service battery if required.
3. Pump runs but pumps very little or no water.
(a) Check for low battery. Battery will recharge
if Red power “on” light indicates power has been
restored and the float switch is in the off position.
(b) If immediate usage is required, remove and
replace dead battery with a full recharged battery.
(c) Due to varying conditions the pump may continue
to run on a low battery without sufficient power to
remove water. Pump will not stop running until
battery is completely discharged.
(d)
CAUTION: Weak batteries can be
recharged but may not store sufficient energy for
full service. A weak recharged battery can only be
detected by reduced pumping time or by checking
each cell with a hydrometer. If your emergency pump
system is used frequently the battery should be
checked by a qualified battery dealer.
4. Pump cycles too frequently.
(a) Check positions of rubber stops on float rod.
(b) Adjust upper rubber float stop as required.
Recommended for standard installation.
5. Float switch in “on” position. Pump won’t run.
(a) Remove pump. Check for obstruction in pump
preventing impeller from rotating.
6. Pump runs, but pumps water intermittently.
(a) Pump is air locking. Check flow of water incoming
to sump. If water is entering the sump at a high
velocity creating a turbulent condition, a mixture of air
and water may cause a complete or partial air lock
and reduce or stop the flow of water in the discharge
pipe.
(b) Baffle the incoming stream of water to reduce
turbulence. Diverting water stream against wall of
basin usually corrects an air lock problem.
7. Water level stays high. DC Pump continues to run.
(a) Battery is low.
(b) If power has been restored and water in sump
remains high check primary pump. Service if
required.
(c) After several hours the battery will be restored to
full charge.
8. Alarm sounds during battery recharge cycle.
(a) Push alarm reset (max. 3 times). If condition
persists, replace battery.
(b) To silence alarm if alarm will not reset, unplug the
charger from 115V wall outlet, then disconnect the
black lead from charger on negative (-) battery post.
Check battery. Replace if necessary. Reconnect and
refer to Installation (step 14).
© 2011. All rights reserved.
5
EASY DO'S & DON'TS FOR INSTALLING A SUMP PUMP
1. DO read thoroughly all installation material provided
with the pump.
2. DO inspect pump for any visible damage caused
by shipping. Contact dealer if pump appears to be
damaged.
3. DO clean all debris from the sump. Be sure that the
pump will have a hard, flat surface beneath it. DO
NOT install on sand, gravel or dirt.
4. DO be sure that the sump is large enough to allow
proper clearance for the level control switch(es) to
operate properly.
5. DO Always Disconnect Pump From Power Source
Before Handling.
6. DO always connect to a separately protected and
properly grounded circuit.
7. DO NOT ever cut, splice, or damage power cord
unless in a watertight junction box.
8. DO NOT carry or lift pump by its power cord.
9. DO NOT use an extension cord with a sump pump.
10. DO NOT use a discharge pipe smaller than the
pump discharge.
11. DO NOT use a sump pump as a trench or
excavation pump, or for pumping sewage, gasoline,
or other hazardous liquids.
12. DO test pump immediately after installation to be
sure that the system is working properly.
13. DO cover sump with an adequate sump cover.
14. DO review all applicable local and national codes
and verify that the installation conforms to each of
them.
15. DO consult manufacturer for clarifications or
questions.
16. DO consider a two pump system with an alarm
where an installation may become overloaded
or primary pump failure would result in property
damages.
17. DO consider a D.C. Backup System where a sump
or dewatering pump is necessary for the prevention
of property damages from flooding due to A.C.
power disruptions, mechanical or electrical problems
or system overloading.
18. DO inspect and test system for proper operations at
least every three months.
LIMITED WARRANTY
This product is warranted for one year from the date of purchase
or two years from the date of manufacture, whichever occurs first.
Subject to the conditions hereinafter set forth, the manufacturer will
repair or replace to the original consumer, any portion of the product
which proves defective due to defective materials or workmanship. To
obtain warranty service, contact the dealer from whom the product
was purchased. The manufacturer retains the sole right and option
to determine whether to repair or replace defective equipment, parts
or components. Damage due to conditions beyond the control of the
manufacturer is not covered by this warranty.
THIS WARRANTY WILL NOT APPLY: (a) To defects or malfunctions
resulting from failure to properly install, operate or maintain the unit in
accordance with printed instructions provided; (b) to failures resulting
from abuse, accident or negligence or use of inappropriate chemicals
or additives in the water; (c) to normal maintenance services and the
parts used in connection with such service; (d) to units which are not
installed in accordance with normal applicable local codes, ordinances
and good trade practices; and (e) the unit is used for purposes other
than for what it was designed and manufactured.
THE WARRANTY PROVIDED HEREIN IS IN LIEU OF ALL OTHER
EXPRESS WARRANTIES, AND MAY NOT BE EXTENDED OR
MODIFIED BY ANYONE. ANY IMPLIED WARRANTIES SHALL
BE LIMITED TO THE PERIOD OF THE LIMITED WARRANTY
AND THEREAFTER ALL SUCH IMPLIED WARRANTIES
ARE DISCLAIMED AND EXCLUDED. THE MANUFACTURER
SHALL NOT, UNDER ANY CIRCUMSTANCES, BE LIABLE
FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL
DAMAGES, SUCH AS, BUT NOT LIMITED TO DAMAGE TO,
OR LOSS OF, OTHER PROPERTY OR EQUIPMENT, LOSS OF
PROFITS, INCONVENIENCE , OR OTHER INCIDENTAL OR
CONSEQUENTIAL DAMAGES OF ANY TYPE OR NATURE. THE
LIABILITY OF THE MANUFACTURER SHALL NOT EXCEED THE
PRICE OF THE PRODUCT UPON WHICH SUCH LIABILITY IS
BASED.
This warranty gives you specific legal rights, and you may have
other rights which vary from state to state. Some states do not allow
limitations on duration of implied warranties or exclusion of incidental or
consequential damages, so the above limitations may not apply to you.
RETURN OF WARRANTED COMPONENTS: Any item to be repaired
or replaced under this warranty must be returned to the manufacturer
at Kendallville, Indiana or such other place as the manufacturer may
designate, freight prepaid.
© 2011. All rights reserved.
WARRANTY VALID IN CANADA AND MEXICO.
6
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