MULTIQUIP st41230 Guide
OperatiOn and parts Manual
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
MOdel st41230/st41460
MOdel st61230/st61460
subMersible puMps
Revision #1 (11/12/13)
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TABLE OF CONTENTS
ST41230/ST41460
ST61230/ST61460
Submersible Pumps
Table Of Contents.................................................... 2
Parts Ordering Procedures...................................... 3
Safety Information ................................................ 4-7
Specifications ........................................................... 8
Dimensions ............................................................. 9
General Information .............................................. 10
Components ......................................................... 11
Float Switches .................................................. 12-14
Control Box Installation ...................................................... 15-16
Control Box Installation ............................................................16
Control Box Power Connections ........................... 17
Control Box Wiring Layout .................................... 18
Operation ............................................................................. 19-20
Operation .............................................................. 20
Maintenance .................................................... 21-23
Troubleshooting .................................................... 25
Control Box Wiring Diagram (CB1269/CB1274).................. 26
Control Box Wiring Diagram (CB1456/CB1463).................. 27
Explanation Of Codes In Remarks Column .......... 28
Suggested Spare Parts ......................................... 29
Component Drawings
ST41230/ST41460 Assembly .......................... 30-33
ST61230/ST61460 Assembly........................... 34-37
Terms And Conditions Of Sale — Parts ................ 38
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SAFETY INFORMATION
Do not operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
The four safety messages shown below will inform you
about potential hazards that could injure you or others.The
safety messages specifically address the level of exposure
to the operator and are preceded by one of four words:
or
Indicates a hazardous situation which, if not avoided,
WILL result in or
Indicates a hazardous situation which, if not avoided,
result in or
Indicates a hazardous situation which, if not avoided,
result in or
NOTICE
Addresses practices not related to personal injury.
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
Burn hazards
Symbol Safety Hazard
Electric shock hazards
Rotating parts hazards
Pressurized fluid hazards
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SAFETY INFORMATION
operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
Avoid wearing jewelry or loose fitting clothes that may
snag on the controls or moving parts as this can cause
serious injury.
operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
operate this equipment under the
influence of drugs or alcohol.
clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
No one other than the operator is to be in the working
area when the equipment is in operation.
use the equipment for any purpose other than
its intended purposes or applications.
NOTICE
This equipment should only be operated by trained and
qualified personnel 18 years of age and older.
Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifications. Unauthorized
equipment modification will void all warranties.
use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
know the location of the nearest
know the location of the nearest
know the location of the nearest phone or
Also, know the phone numbers
of the nearest and
This information will be invaluable in the case of an
emergency.
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SAFETY INFORMATION
operate the equipment in an explosive
atmosphere or near combustible materials.An
explosion or fire could result causing severe
Accidental starting can cause severe injury
or death. place the ON/OFF
switch in the OFF position.
place hands or fingers inside
pump when pump is running.
disconnect any
These devices are intended for operator
safety. Disconnection of these devices can cause severe
injury, bodily harm or even death. Disconnection of any
of these devices will void all warranties.
Risk of Electric Shock - This pump has not been
investigated for use in swimming pool or marine areas.
restrict the flow of the discharge hose as it may
cause the pump to overheat.
Be careful of discharge hose whipping under pressure.
check pump oil level only when pump is cool.
Expansion due to heat may cause hot oil to spray from
the oil plug when the oil plug is removed. The possibility
of severe scalding may exist.
NOTICE
place the pump in an upright position on a
platform before using.The platform will prevent the pump
from burrowing itself on soft sand or mud.
operate pump on its side.
allow the pump to freeze in water.
leave an open pump chamber unattended.
keep the machine in proper running condition.
attempt to thaw out a frozen pump by using
a torch or other source of flame. Application of heat in
this manner may heat the oil in the seal cavity above the
critical point, causing pump damage.
pump water with a temperature greater than
140°F (60°C).
pump liquids containing acid or alkali.
check strainer before pumping. Make sure
strainer is not clogged. Remove any large objects, dirt
or debris from the strainer to prevent clogging.
use a large basket strainer when pumping
water that contains large debris.
flush pump (clean) after use when pumping
water concentrated with heavy debris. It is very important
to always flush the pump before turning it off to prevent
clogging.
Fix damage to machine and replace any broken parts
immediately.
store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
lubricate components or attempt service on a
running machine.
run pump dry.
allow the machine a proper amount of time to
cool before servicing.
Keep machine in proper running condition.
The electrical voltage required to operate
pump can cause severe injury or even death
through physical contact with live circuits.
disconnect electrical power from
pump before performing maintenance on
pump.
To reduce the risk of electric shock, connect only to a
circuit protected by a Ground-Fault Circuit-Interrupter
(GFCI).
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SAFETY INFORMATION
NOTICE
make certain that the voltage supplied to the
pump is correct. Always read the pump’s nameplate to
determine what the power requirements are.
stand in water while AC power cord is connected
to a live power source.
use or cables or cords. Inspect
for cuts in the insulation.
grab or touch a live power
cord or cable with wet hands. The
possibility exists of
Make sure power cables are securely connected to the
motor's output receptacles. Incorrect connections may
cause electrical shock and damage to the motor.
attempt to use the power cord as a lifting or
lowering device for the pump.
NOTICE
make certain that proper power or extension
cord has been selected for the job. See Cable Selection
Chart in this manual.
make sure pump is grounded.
use gas piping as an electrical ground.
make sure that electrical circuits are properly
grounded to a suitable earth ground (ground rod) per
the National Electrical Code (NEC) and local codes
before operating generator.
can result from operating an ungrounded
motor.
have a qualified electrician perform the control
box installation. The possibility exists of electrical shock
or electrocution.
NOTICE
mount control box in a vertical position
protected from harsh environmental elements.
When raising or lowering of the pump is required, always
attach an adequate rope or lifting device to the correct
lifting point (handle) on the pump.
NOTICE
lift machine to unnecessary heights.
lift the equipment while the electric motor is
running.
NOTICE
shut down pump before transporting.
tie down equipment during transport by
securing the equipment with rope.
CE
pour waste or oil directly onto
the ground, down a drain or into any water
source.
Contact your country's Department of Public
Works or recycling agency in your area and arrange for
proper disposal of any electrical components, waste or
oil associated with this equipment.
When the life cycle of this equipment is over it is
recommended that the pump casing and all other metal
parts be sent to a recycling center
Metal recycling involves the collection of metal from
discarded products and its transformation into raw
materials to use in manufacturing a new product.
Recyclers and manufacturers alike promote the process
of recycling metal. Using a metal recycling center
promotes energy cost savings.
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SPECIFICATIONS
Centrifugal Centrifugal Centrifugal Centrifugal
Chrome Steel Chrome Steel Chrome Steel Chrome Steel
4.00 (101) 4.00 (101) 6.00 (152) 6.00 (152)
0.60 in (15.2)
423 (1,600) 423 (1,600) 674 (2,450) 674 (2,450)
138 ft. (42.1) 138 ft. (42.1) 105 ft. (32.5) 105 ft. (32.5)
10 (7.5) 10 (7.5) 15 (11) 15 (11)
60
230 (3Ø) 460 (3Ø) 230 (3Ø) 460 (3Ø)
172.2 (230) 85.8 (460) 258 (230) 129 (460)
28.6 (230) 14.3 (460) 43 (230) 21.5 (460)
140°F (60°C)
40 (1,200) 47 (1,400)
ISO VG32 or Equivalent
See Note 2 See Note 2 See Note 2 See Note 2
3,600
IP68
F
33 (10)
205 (93) 205 (93) 301 (137) 301 (137)
See Note 3 See Note 3 See Note 3 See Note 3
– Let pump hang freely from a lifting device. Start and stop pump while observing movement (kick) of
pump. If connected correctly the impeller will rotate clockwise (CW) as viewed from above. If pump rotates counterclockwise
interchange any two phases from the power source.
– Use ISO VG32 lubrication oil, Mobile DTE 24 turbine oil 90 or equivalent. Fill oil chamber 75%
to 85% full (allow air space for expansion).
- For unattended operation, CB1269, CB1274, CB1456, or CB1463 Control Boxes (Table 4) are required.
All control boxes provide thermal overload protection.
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A
B
F
G
C
E
D
HJ
I
DIMENSIONS
Figure 1. Pump Dimensions
A11 (279) 14 (356)
B11 (279) G14 (356)
C32.5 (826) 34.75 (883)
5.5 (140) I5.5 (140)
E28.25 (718) J31.0 (787)
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GENERAL INFORMATION
The Multiquip Model ST41230/ST41460 and ST61230/
ST61460 submersible pumps are designed to pump
water. These pumps work best when faced with high head
applications where you need an appreciable flow.
The pumping of flammable, toxic, corrosive, abrasive liquids
is strictly forbidden. These pumps are best suited for clear
water applications where maximum size of solids (debris)
does not exceed 0.6-inches (15.2 mm).
These pumps have a chrome steel body that is very durable
and able to withstand rough handling. The ST41230/
ST41460 comes with a 4-inch NPT threads for standard
hose connections, while the ST61230/ST61460 comes
with a 6-inch NPT threads for standard hose connections.
The mechanical seal of these pumps operates within an
oil-filled chamber that provides positive lubrication. This
helps prevent damage in the event the pump is run dry for
short periods of time.
For unattended pump operation control boxes are available.
Reference Table 4 for the correct control box for your pump.
Before applying power to the pump always read the
nameplate on the pump. The nameplate will display the
voltage and phase required to run the pump. Applying
the incorrect voltage to the pump can severly damage the
pump.
Please make sure that the correct voltage and phase are
applied to the pump at all times.
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COMPONENTS
Figure 2 shows the location of the basic components, for
the submersible pumps. Listed below is a brief explanation
of each component.
1. This strainer base is made of stainless
steel which is resistant to hardware corrosion. For
dewatering purposes, always place the strainer base
on a platform.
2. This oil-filled seal provides
lubrication when running the pump dry. run
the pump dry! Running the pump dry will cause severe
damage to the pump.
3. These pumps use either a 230 VAC
or 460 VAC, 3Ø, 60 Hz electric motor. Reference
Table 1. for the electric motor for your model pump.
Consult with a licensed electrician before connecting
motor to a power source. Observe all city and local
safety codes.
4. Provides vital electrical pump information.
Always read this tag before applying power to the pump.
5. Connect a 4-inch hose to this port
(NPT 4" threads). Remember to adequately support
the discharge hose to avoid stress on the pump.
6. Attach a suitable lifting device to this
handle capable of lifting about 200 lbs. (91 kg)
lift the pump by its power cord.
7. These pumps are supplied with a
33 ft. (10 meters) AC power cable. Always check the
cable for signs of wear. use a defective power
cable. Replace the cable immediately if the cable is
worn or defective.
8. Attaches power cable to pump
to prevent movement.
9. Impellers are constructed of chrome steel
to minimize wear and prolong service life.
10. Remove this plug to
check and add ISO VG32 lubrication oil, Mobile DTE
24, turbine oil 90 or equivalent to the oil chamber. This
oil protects the mechanical seal. Oil chamber should
be full enough to cover seal spring.
11. Connect a 6-inch hose to this port
(NPT 6" threads). Remember to adequately support the
discharge hose to avoid stress on the pump.
12. Attach a suitable lifting device to this
handle capable of lifting about 300 lbs. (136 kg).
lift the pump by its power cord! Lifting the
pump by the power cord will cause undue stress on
the cord and ultimately the cord will become dislodged
from the pump
ST41230
ST41460
ST61230
ST61460
11
22
33
44
11
6
12
7
8
8
99
10 10
5
7
Figure 2. Submersible Pump Components
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FLOAT SWITCHES
Mechanically activated float switches offer a reliable low
current control for dewatering applications.
The mechanical float switch control will turn (close)
when the float tips 45° above -horizontal, indicating a high
level, and turns (opens) when the float switch drops
45° below horizontal. Reference Figure 4 and Figure 5.
Maximum pumping range is 120 degrees. See Figure 3
below.
Figure 3. Pumping Range (Float Switch)
The pumping range of the pump is determined by the float
switch tether cord. Use Table 3 as guide line to determine
your required pumping range. Pumping ranges are based
on non-turbulent conditions. Range may vary due to water
temperature and cord shape. Please note as the tether
length increases, so does the variance of the pumping
range.
PUMP
ON
60
60
120
PUMP
OFF
2 in.
5.08 cm.
4 in.
10.16 cm.
6 in.
15.24 cm.
8 in.
20.32 cm.
10 in.
25.4 cm.
12 in.
30.48 cm.
14 in.
35.56 cm.
16 in.
40.46 cm.
6 in.
15.24 cm.
10 in.
25.4 cm.
14 in.
35.56 cm.
18 in.
45.72 cm.
22 in.
55.88 cm.
27 in.
68.58 cm.
31 in.
78.74 cm.
35 in.
88.9 cm.
Float switch housings are constructed of high-impact,
corrosion resistant polypropylene with mechanically
activated, snap action contacts.
Suitable for most liquid environments.
Hermetically sealed.
Thick-walled non-corrosive PVC plastic enclosure.
Pressure tested to 30 ft. (9 meters).
Standard SJO, 16-gauge, 2 conductor cord (20 ft./6.09 m).
Figure 4. Float Switch (Closed)
Figure 5. Float Switch (Open)
ON/OFF
RAMP
STEEL
BALL
CONTACTS
CLOSED
ON/OFF
RAMP
STEEL
BALL
CONTACTS
OPEN
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For unattended operation of the submersible pump two
single float switches (Model SW-1WOPA) will be required.
These float switches can be connected directly to a control
box (bare wires) and will allow the pump to turn on and off
depending on the length of the tether.
FLOAT SWITCHES
Figure 6. Float Switch Application
1. Determine the required cord tether length as shown
in Figure 3 and Table 3.
2. Place the cord into the clamp as shown in Figure 6.
3. Secure the clamp to the discharge hose as shown in
Figure 6. install cord under hose clamp.
4. Using a screwdriver, tighten the hose clamp.
over-tighten. Make sure the float cord is not allowed to
touch the excess hose clamp band during operation.
PUMPING
RANGE
MODEL SW-1WO PA
FLOA TSWITCH (2)
3.5 in.(9cm.)
MINIMUM
TETHER
LENGTH
PUMP
ON
PUMP
OFF
DISCHARGE
HOSE
INPUT POWER
TO CONTROL BOX
FLOATSWITCH
CABLES (2)
CONTROL
BOX
CAUTION!
HIGH
VOLTAGE!
RESET
PUMP POWER
CB1269
CB1274
CB1456
CB1463
CABLE
EXTERNAL 3-PHASE
(230 OR 460 VOLT)
POWER SOURCE
CIRCUIT
BREAKER
RED
WHITE
BLACK
L1
L2
L3
GREEN
GND.
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FLOAT SWITCHES
For remote pumping applications, all four model submersible
pumps will require a control box (Figure 7).
For each model submersible pump there is an associated
control box. Reference Table 4 for the desired control box
and applicable heater. The heater size is determined by
the the full load amps the pump will draw.
These water-resistant control boxes provide electronic
overload protection a watertight enclosure and glands to
prevent water from leaking into the box, and a float switch
interface.
Each control box will require the use of two SW-1WOPA
float switches, no plug, bare wires for direct connection to
the control box. Reference Figure 20 and Figure 21 for a
schematic reprensentation of each control box.
NOTICE
Contact Multiquip sales department to order control
boxes as listed in Table 4.
l
3Ø
UL/CSA
CB1269 ST41230 230 K69 27.7~30.1 28.6 YES YES YES
CB1274 ST61230 230 K74 40.2~45.5 43.0 YES YES YES
CB1456 ST41460 460 K56 13.6~14.5 14.3 YES YES YES
CB1463 ST61460 460 K63 20.6~22.5 21.5 YES YES YES
Figure 7. Electrical Control Box
(Typical)
CAUTION!
HIGH
VOLTAGE!
RESET
MAN
OFF
AUTO
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CONTROL BOX INSTALLATION
The following procedure outlines the steps for connecting
the pump to a control box.
Each submersible pump is designed to
work with a control box.This control box
contains the necessary electronics (float
switch connections) to operate the pump.
Remember this control box contains
hazardous voltages. Disconnect all sources of power
before installing or servicing.There exists the possibility
of electrocution, electric shock or burn, which can cause
severe bodily harm or even death!
When installing the control box, the
possibility exists of electrical shock,
electrocution and possibly death!
have untrained personnel perform the
installation. have qualified
service personnel (licensed electrician) perform the
installation.
Explosion or Fire Hazard exists if this pump
is used with flammable liquids. use
this pump with flammable liquids.
install this pump in hazardous locations as
defined by the National Electrical Code,
ANSI/NFPA 70.
Mount the control box in an upright vertical position. Make
sure the control box is securely fastened to a flat surface,
that is free of dust, dirt, moisture or any elements that
may contaminate or erode the electronic components of
the control box.
Each pump is either configured for 230 or 460 VAC voltage
input. Reference Table 1 for the correct input voltage for
your pump.
If you cannot determine what your pump's power
requirements are, look at the vendor supplied identification
name tag attached to the pump or please contact Multiquip's
Service/Technical Assistance department.
When routing the 230/460 VAC, 60 Hz., 3-phase power
via a power cord to the control box, use the
correct wire size. Please refer to Table 5 to determine the
correct wire size. Incorrect wire size can adversely affect
the performance of the pump and may ultimately burn out
the pump motor.
Applying incorrect power (voltage phasing) to the
submersible pump can cause severe damage to the
pump. Please make sure that the correct voltage and
phase are applied to the pump at all times.
AMPS
15 12 AWG 10 AWG 8 AWG 6 AWG
20 10 AWG 8 AWG 6 AWG 4 AWG
25 10 AWG 6 AWG 6 AWG 4 AWG
30 10 AWG 6 AWG 4 AWG 2 AWG
40 8 AWG 6 AWG 4 AWG 2 AWG
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CONTROL BOX INSTALLATION
1. Remove the float switch input connector housing, then
route the float switch wires through the cable gland on
the control box. Attach the wires of the float switch to
the terminal block as indicated by Table 6 and Figure 8.
2. Tighten the connector housing to ensure a tight fit
between the cord and the connector body. This will
prevent the cable from pulling out of the terminal block
and also prevent moisture from entering the control box.
3. Determine the tether length of the float switch wires
then secure float switch wires to pump discharge hose.
See Figure 3 and Table 3 to determine the pumping
range.
Start TB1-A1
TB1-A2
Black
White
Stop TB1-A3
TB1-A4
Black
White
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CONTROL BOX POWER CONNECTIONS
1. The 3-phase input power cord should have four wires.
Each wire is color coded.The colors are , ,
BLACK and .
2. Remove the 3-phase AC input connector housing from
the control box, then route the three phase input power
cable through the cable gland on the control box. Attach
the wires to the AC terminal block inside the control
box as indicated by Table 7 and Figure 8.
3. Tighten the connector housing to ensure a tight fit
between the power cord and the connector body. This
will prevent the cable from pulling out of the terminal
block and also prevent moisture from entering the
control box.
4. Connect the other end of the 3-phase input power cord
to the voltage source. Remember to provide a means
of disconnecting the power from the control box (circuit
breaker or quick disconnect switch). Also make sure
to provide a good earth ground to the control box.
RED L1
WHITE L2
BLACK L3
GREEN GROUND
NOTICE
It is recommended that the power being supplied to the
control box be connected to a circuit breaker
or a quick disconnect switch.This safety feature allows
for quick removal of power from the control box in the
event of an emergency.
1. The 3-phase output power cord should have four wires.
Each wire is color coded.The colors are, ,
BLACK and .
2. Remove the 3-phase AC output power connector
housing on the control box, then route the output power
cable through the cable gland on the control box.
Attach the wires to the AC terminals on the overload
relay module (heaters load side) as indicated by
Table 8 and Figure 8.
RED T1
WHITE T2
BLACK T3
GREEN GROUND
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CONTROL BOX WIRING LAYOUT
2. START FLOAT
SWITCH. CONNECT
TO TERMINALS 1 AND 2
3. STOP FLOAT
SWITCH. CONNECT
TO TERMINALS 3 AND 4
MOUNT CONTROL
BOX IN AN UP-LEFT
VERTICAL POSITION
AS SHOWN.
FLOAT SWITCH
TERMINAL BLOCK
CONTROLLER
M
A
I
N
T
R
I
P
L3
L2
T2
T1T3
R
E
S
E
T
L11
L2
3
L35
1- 2- 3- 4-
1- 2- 3- 4-
T12T12 T36T2
4
AEG
L2 L3
L1
13 2
F
U
S
ET
DUEL-ELE
FUSE
-
8/10
F
N
M
MICRON
CONTROL
TRANSFORMER
(708) 547-0900
CAT.
NO.
B075BTZ13JK
TEMP.
105
75VA
50/60HZ
LISTED
702X
04024
CL.
C
U.S.
PAT.
NO.
3516040
ImperviTRAN
R)
(
X2 XF X1
H4 H2 H3 H1
110
115
120
X1
H1 H2 H3 H4
XF
X2
12 3 4
1
220
230
240 440
460
480
4
23
3
1
6
1
0
2
5
-
0
2
3/00
-3
-4
3 PHASE
AC OUTPUT
POWER CABLE
BLACK
FLOAT
SWITCH
INPUTS
3 PHASE
AC INPUT
POWER CABLE
WHT
AC POWER
TERMINAL BLOCK
1.SECURE FLOAT SWITCH
WIRES TO PUMP
DISCHARGE HOSE
L1L2L3
PUMPING
RANGE
GROUND
OVERLOAD
RELAY
4
EXTERNAL 3-PHASE
(230 OR 460 VOLT)
POWER SOURCE
CIRCUIT
BREAKER
RED
WHITE
BLACK
L1
L2
L3
GREEN
BLK
MANUAL/AUTO
SWITCH
OFF/ON
LAMP
TRANSFORMER
RED
BLKRED WHT
GRN
GRN
HEATER
SEE TABLE 4
WARNING
CONTROL BOX INSTALLATION IS TO BE
PERFORMED BY A LICENSED ELECTRICIAN
OR QUALIFIED PERSONNEL.
THE POSSIBILITY OF ELECTRICAL SHOCK
OR ELECTROCUTION EXISTS, WHICH COULD
CAUSE SEVERE BODILY HARM EVEN DEATH!
Figure 8. Three Phase
Control Box/Pump System Diagram
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1. Attach a suitable lifting chain to the eye bolts or lift handle
(Figure 9) on the pump. Use a crane, or similar lifting
device and lower the pump into place. For applications
where there is an excessive amount of mud, grit or silt,
the use of a support platform is desirable.
Figure 9. Placing the Submersible Pump
(Correct Upright Position)
LIFTING
CHAIN
4 or 6-INCH
DISCHARGE
HOSE
POWER
CORD
SUPPORT
PLATFORM
CONNECT
TO CONTROL
BOX
LOWER
2. Make sure the pump is always placed in an upright
position, not tilted (Figure 10). Never position the pump
directly on a soft, loose bottom. To attain maximum
pumping capacity and prevent excessive wear, position
the pump so it will not burrow itself into sand or clay.
Figure 10. Tilted Position (Incorrect)
LOWER
OPERATION
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OPERATION
1. When the electronic overload module detects an
overload condition, the pump will shut down. Check the
pump and correct the cause of ther overload.
2. Let the pump cool down, then press the RESET button
(see Figure 14) on the front of the control box to restore
power.
Figure 14. RESET Button
1. Place the 3-position operation switch on the control
box to the position (Figure 15).
Figure 15. Manual-Off-Auto SW.
(OFF Position)
2. Verify that the control box power light is .
3. Turn the circuit breaker or quick disconnect switch to
the position.
4. Using a suitable lifting device, lift the pump up from
its current position and place on a secure flat surface.
5. Remove the discharge hose from the discharge port
on the pump.
6. Remove all power cables and float switches from
the control box. Place cables and float switches in a
suitable container where they will not get damaged.
7. If the pump was used to pump mud, grit or silt, flush
vigorously with clean water.
8. Wipe off any mud or debris that might have attached
itself to the pump.
9. Store pump in a clean dry place away from dirt and
debris.
1. From the voltage source, set the circuit breaker or quick
disconnect switch to the position.
2. For manual operation of the pump, place the 3-position
operation switch (Figure 11) on the control box in the
position.
Figure 11. Manual-Off-Auto SW.
(Manual Position)
3. Verify that the indicator (Figure 12) on the control
box is LIT. This means that power is being supplied to
the control box.
Figure 12. Control Box Power ON Indicator
4. In the manual mode the pump will run continuously. Pay
close attention when running the pump in this mode.
to the pump may occur if pump is not fully
immersed in water.
1. To operate the pump automatically (float switches),
place the 3-position operation switch in the
position (Figure 13).
Figure 13. Manual-Off-Auto SW.
(Auto Position)
2. In the mode the pump will run as long as there
is a sufficient amount of water. This amount of water
is determined by the setting of the float switches. The
stop float switch contacts will open when the water
level is low and power will be removed from the pump's
electric motor.
Once the water level has risen back to the appropriate
level the start float switch contacts will close and power
will be restored to the pump's motor.
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This manual suits for next models
3
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