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.

Go to Discount-Equipment.com to order your parts



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.



  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.

Go to Discount-Equipment.com to order your parts



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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

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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