Tsurumi Pump OM Manuale utente

17200075/B-10073-5

INTRODUCTION

Thank you for selecting a Tsurumi Compact Submersible Semi-Vortex pump for your dewatering application.

This equipment should not be used for applications other than those listed in this manual. Failure to observe

this precaution may lead to a malfunction or an accident. In the event of a malfunction or an accident, the

manufacturer will not assume any liability. After reading this Operation Manual, keep it in a location that is

easily accessible, so that you can refer to it whenever you need information while operating this product.

OPERATION MANUAL

CONTENTS

1. BE SURE TO READ FOR SAFTY ................................... 1

2. PART NAMES ................................................................. 4

3. PRIOR TO OPERATION ............................................... 4

4. INSTALLATION ............................................................. 5

5. ELECTRICAL WIRING .................................................... 7

6. OPERATION .................................................................... 8

7. MAINTENANCE AND INSPECTION ............................... 10

8. DISASSEMBLY AND REASSEMBLY PROCEDURE ...... 12

9. TROUBLESHOOTING .................................................. 14

TSURUMI MANUFACTURING CO., LTD.

COMPACT SUBMERSIBLE SEMI-VORTEX PUMP

FOR DEWATERING

-1-

BE SURE TO READ FOR YOUR SAFETY

：The mark indicates an action that must be taken, or instructs how to perform a task. The symbol inside the mark describes the precaution in more detail ("provide ground work", in the case of the example on the left).：The mark indicates a WARNING or CAUTION item. The symbol inside the mark describes the precaution in more detail ("electrical shock", in the case of the example on the left).●: Operating the equipment improperly by failing to observe this precaution may possibly cause injury to humans and other physical damage.: Operating the equipment improperly by failing to observe this precaution may possibly lead to death or injury to humans.: Gives information that does not fall in the WARNING or CAUTION categories.● ：The mark indicates a prohibited action. The symbol inside the mark, or a notation in the vicinity of the mark describes the precaution in more detail ("disassembly prohibited", in the case of the example on the left).Be sure to thoroughly read and understand the SAFETY PRECAUTIONS given in this section before using the equipment in order to operate the equipment correctly.The precautionary measures described in this section are intended to prevent danger or damage to you or to others. The contents of this manual that could possibly be performed improperly are classified into two categories: WARNING, and CAUTION. The categories indicate the extent of possible damage or the urgency of the precaution. Note however, that what is included under CAUTION may at times lead to a more serious problem. In either case, the categories pertain to safety-related items, and as such, must be observed carefully.WARNINGCAUTIONNOTEExplanation of Symbols:

PRECAUTIONS TO THE PRODUCT SPECIFICATIONS

Do not operate the product under any conditions other than those for which it is speci-fied. Failure to observe the precaution can lead to electrical leakage, electrical shock, fire, or water leakage, etc.CAUTIONFrequencyVoltage

WARNINGPower Supply CapacityWhen transporting the product, pay close attention to its center of gravity and mass. Use an appropri-ate lifting equipment to lift the unit. Improper lifting may result in the product damage, injury, or death.Electrical wiring should be performed in accordance with all applicable regulations in your country. Provide a dedicated earth leakage circuit breaker and a thermal overload relay for the pump. Imperfect wiring or neglecting the installation of proper equipment will cause electrical leakage, fire, or explosion at worst.Use a power outlet that has a sufficient rating and has been exclusively provided for the pump. If the power outlet is shared with other equipment, it can lead to an abnormal heat of the outlet and can cause fire as a result.Install the product properly in accordance with this instruction manual. Improper installation may result in electrical leakage, electrical shock, fire, water leakage, or injury.Provide a secure grounding dedicated for the product. Never fail to provide an earth leakage circuit breaker and a thermal overload relay in your starter or control panel (Both available on the market). If an electrical leakage occurs by due to a product failure, it may cause electrical shock.

PRECAUTIONS DURING TRANSPORT AND INSTALLTION

-2-

CAUTIONDo not scratch, fold, twist, make alterations, or bundle the cable, or use it as a lifting device. The cable may be damaged, which may cause electrical leakage, short-circuit, electrical shock, or fire.Be sure to provide a ground wire securely. Do not connect the ground wire to a gas pipe, water pipe, lightening rod, or telephone ground wire. Improper grounding could cause electrical shock.Do not use the cabtyre cable, power plug, or power outlet if it is damaged or it is not closely fitted. Connect every conductor of the cabtyre cable securely to the terminals. Failure to observe this can lead to electrical shock, short-circuit, or fire.Install the discharge pipe securely so that no water leakage may occur. In addition, It is suggested to provide a stand-by pump in case of flooding. Failure to do so may result in damage to nearby walls, floors, and other equipment.When the product will be carried by hand, decide the number of persons considering the mass of the product. When lifting up the product, do not attempt to do it by simply bowing from the waist. Use the knees, too, to protect your waist.This pump is neither dust-proof nor explosion-proof. Do not use it at a dusty place or at a place where toxic, corrosive or explosive gas is present. Use in such places could cause fire or explosion.If a hose is used for the discharge line, take a measure to prevent the hose from shaking. If the hose shakes, you may be wet or injured.Prevent a metallic object or dust from sticking to the power plug. Adhesion of foreign object to the plug could cause electrical shock, short-circuit, or fire.

PRECAUTIONS DURING TEST OPERATION AND OPERATION

CAUTIONWARNINGNever try to operate the pump if somebody is present in the pump sump. If an electrical leakage occurs, it can cause electrical shock.When changing power connection is needed to correct the direction of rotation, be sure to turn off the power supply (earth leakage circuit breaker, etc.), and perform the work after making sure that the impeller has stopped completely. Failure to do so may lead to electrical shock, short-circuit, or injury.Never start the pump while it is suspended, as the unit may jerk and could lead to injury.When inspecting the pump, be sure to turn off the power supply (earth leakage circuit breaker, etc.) so that the pump may not start acciden-tally. Failure to do so may lead to a serious accident.Do not operate the product under any voltage other than described on the nameplate with the voltage variation limit within ±10%. If it is operated with a generator, it is strongly suggested not to operate other equipment with the same generator. Failure to observe this caution may cause malfunction and breakdown of the product, which may lead to electrical leakage or electrical shock.Do not touch the product with bare hands during or immediate after the operation, as the product may become very hot during operation. Failure to observe this caution may lead to be burned.Do not use the product in a liquid other than water. Use in oil, salt water or organic solvents will damage it, which may lead to electrical leakage or electrical shock.Do not run the product dry or operate it with its valve (sluice or gate valve) closed, as doing so will damage the product, which may lead to electrical leakage or electrical shock.For water onlyRatedVoltageOFFOFFSTOP

-3-

PRECAUTIONS DURING MAINTENANCE AND INSPECTION

CAUTIONWARNINGAbsolutely turn off the power supply or disconnect the plug before starting maintenance or inspection. Do not work with wet hands. Failure to observe these cautions may lead to electrical shock or injury.After reassembly, always perform a test operation before resuming use of the prod-uct. Improper assembly can result in electrical leakage, electrical shock, fire, or water leakage .In case any abnormality (excessive vibration, unusual noise or odor) is found in the operation, turn the power off immediately and consult with the dealer where it was purchased or Tsurumi representa-tive. Continuing to operate the product under abnormal condi-tions may result in electrical shock, fire, or water leakage.Do not disassemble or repair any parts other than those designated in the operation manual. If repairs are necessary in any other than the designated parts, consult with the dealer where it was purchased or Tsurumi representa-tive. Improper repairs can result in electrical leakage, electrical shock, fire, or water leakage.Test operationSTOPOFFOFF

PRECAUTION TO POWER OUTAGE

In case of power outage, turn off the power supply. The product will resume operation when the power is restored, which presents serious danger to people in the vicinity.WARNINGpower outageOFF

CAUTIONDo not allow foreign objects (metal objects such as pins or wires) to enter the suction inlet of the pump. Failure to observe this caution could cause it to malfunction or to operate abnormally, which may lead to electrical leakage or electrical shock.Do not use the product for hot or warm liquid over 40℃, as doing so will damage the product, which may lead to electrical leakage or electrical shock.When the product will not be used for an extended period, be sure to turn off the power supply (earth leakage circuit breaker, etc.). Deterioration of the insulation may lead to electrical leakage, electrical shock, or fire.OFF

OTHER PRECAUTION

CAUTIONNever use the product for potable water. It may present a danger to human health.Potable Water

-4-

2PART NAMES

3PRIOR TO OPERATION

Example

Check the following points after unpacking the package:

Inspecting the Product

Verify that no damage has occurred to the pump during shipment and that the bolts and

nuts have not loosened.

A certain automatic pump has a piece of tape afﬁxed to the ﬂoat case, in order to prevent it

from becoming detached during transport. Please remove the tape before using the pump.

Inspecting the Speciﬁcations

Check the nameplate of the pump unit to verify that it is the product that you have

ordered. Pay particular attention to its voltage and frequency speciﬁcations.

Inspecting the Accessories

Verify that the following accessories are included in the package:

Operation Manual .................... 1

Note:

If you discover any damage or discrepancy, please contact the dealer where this

equipment was purchased, or the Tsurumi sales ofﬁce in your area.

Cabtyre CableMechanical SealOilImpellerOil PlugStrainer StandUpper Pump CasingAir ValveBearing HousingLower Pump CasingFloat CaseAutomatic typeTape

-5-

CAUTION

• Do not use the pump for pumping liquids other than plain water, such as

oil, salt water, or organic solvents.

• Use with a power supply voltage variation within ± 10% of the rated voltage.

• Use the pump at the water temperature of between 0 and 40°C.

• Failure to observe these precautions could cause the pump to malfunction,

which may lead to current leakage or electrical shock.

Critical Use Pressure

CAUTION

Do not operate the pump in an area that is exposed to a water pressure that

exceeds the values given below.

Pre-Installation Check

Using a megger, measure the resistance between the tip of

the cabtyre cable plug and the ground pole (using alligator

clips) to verify the insulation resistance of the motor.

Note:

The insulation resistance reference value of 20 MΩ minimum is based on a new or repaired

pump. For reference values of a pump that has already been put into operation, refer to "7.

Maintenance and Inspection" in this manual.

Note:

To use the pump for a special solution, contact the dealer where the pump was purchased,

or the Tsurumi sales ofﬁce in your area.

Insulation resistance reference value

= 20M Ω minimum

Precautions During Installation

WARNING

When installing the pump, be mindful of the pump's center of gravity and

weight. If the pump is not suspended properly, the pump may fall and break,

which may lead to injury.

CAUTION

When installing or moving the pump, do not suspend the pump by the

cabtyre cable. Doing so will damage the cable, which may cause a current

leakage, electrical shock, or ﬁre.

Refer to the installation examples illustrated below and pay attention to the points

described below to install the pump.

Product Speciﬁcations

CAUTION

Never use the product under conditions other than those that are speciﬁed in

the product speciﬁcations.

Main Component Speciﬁcations

The power plug could vary by

country or region.

4INSTALLATION

Applicable LiquidsType and TemperatureStorm water and waste water, ; 0 ~ 40℃PumpImpellerSemi-VortexShaft SealDouble mechanical sealBearingSealed ball bearingSpecificationsDry type submersible induction motor: single-phase150W, 2 polesInsulationClass E Protection System (built-in)Miniature protectorLiquid Paraffin VG 32OilConnection32mm screwed flangeMotor

Critical Use Pressure 0.2MPa (2kgf/cm2) - discharge pressure during use

MΩ

-6-

(1) Prepare the Piping

Screw the supplied hose coupling or

a valve socket (32mm, commercially

available) into the discharge outlet.

Push the hose fully over the hose

coupling, and secure it in place with

the hose clamp.

When using a valve socket, cut a PVC

pipe (32mm, commercially available)

to an appropriate length, and push is

over the valve socket.

Prepare the piping by obtaining

commercially available products such

as valves, elbows, and check valves as

necessary.

* Install a check valve (commercially

available) immediately after the

discharge outlet of the pump if there is

the likelihood of the water in the pipe

ﬂowing backward when the pump is

stopped, thus causing the pump to turn

ON and OFF repeatedly.

CAUTION

When screwing a metal

pipe directly into the

discharge outlet, make

sure not to overtigthen

it, as doing so could

cause the discharge

outlet to break.

* To connect the pipes, use a dedicated adhesive that is commercially available, as

needed.

Extend the discharge end of the pipe to a location that is higher than the water level.

* If the end of the pipe is in the water, the water in the pipe could ﬂow backward when

the pump is stopped.

If the end of the pipe is located lower than the water level, the water could ﬂow out

even after the pump is stopped.

(3) During transport or installation, do not kink the cabtyre cable or use is in place of a

rope.

(4) With the cabtyre cable lifted slightly, secure it to the hook (a hook must be prepared in

advance by placing it on the frame of a manhole or the like).

(2) Install the pump in water and connect

the pipes. Hold the pump by the

handle to install it on a level surface in

the water. To change the water level for

automatic operation, adjust the height

of the pump by placing the pump body

on a concrete block or the like. Use

elbows to connect the PVC pipes.

CAUTION

If the welding sparks, paint,

or concrete come in contact

with the pump during piping

work, they could cause the

pump to malfunction, which

may lead to current leakage

or electrical shock.

HookControl PanelJunction BoxManholeRopePipingPumpCheck ValveGate ValveBaffle PlateCabtyre Cable

PVC PipeValve SocketDischarge OutletDischarge OutletHose CouplingHose ClampHose(Not supplied with the export model.)

251mmOperating Water LevelStopped Water Level81mmStoppedStoppedFlow BackFlow Out

-7-

Attaching a Rope to Suspend the Pump

Refer to the illustration on the right in order to suspend

the pump by a rope.

CAUTION

Make sure that the rope does not

become twisted during installation.

Failure to observe this precaution

could cause the rope to break, the

pump to fall and break, which could

lead to injury.

CAUTION

With automatic control, the water in the pipe could ﬂow backwards, causing

the water surface control device to react immediately. As a result, the pump

will operate ON/OFF repeatedly, which could cause the pump to malfunction.

(8) Install a check valve if the pump tank is deep, or the vertical head or the lateral distance

is long.

Electrical Wiring Work

WARNING

• All electrical work must be performed by an authorized electrician, in

compliance with the local electrical equipment standards and internal

wiring codes. Never allow an unauthorized person to perform electrical

work because it is not only against the law, but it can also be extremely

dangerous.

• Improper wiring can lead to current leakage, electrical shock, or ﬁre.

• Absolutely provide a dedicated earth leakage circut breaker and a thermal

overload relay suitable for the pump (available on the market). Failure

to follow this warning can cause electrical shock or explosion when the

product fails or an electrical leakage occurs.

Make sure that the power supply and wiring have adequate capacity.

Grounding

WARNING

Make sure to install the ground wire securely. Failure to observe this

precaution could damage the pump and cause current leakage, which may

lead to electrical shock.

CAUTION

Do not connect the ground wire to a gas pipe, water pipe, lightning rod, or

telephone ground wire. Improper grounding could cause electrical shock.

CAUTION

Do not operate the pump with the cabtyre cable dangling. Failure to observe

this precaution may cause the cabtyre cable to become wrapped around the

impeller, which could cut the cable, break the impeller, or cause ﬂooding,

which may lead to current leakage or electrical shock.

(5) Install the submersible pump upright on top of a surface such as concrete, in an area

that is free of turbulence and does not cause the pump to take air in.

(6) The area near the inlet of a water tank is susceptible to turbulence or allows the pump

to take air in; therefore, place the pump and the ﬂoat switch away from the inlet or

install a bafﬂe plate.

(7) Carry out piping work properly so as not to create any air pockets in the middle of

piping.

5ELECTRICAL WIRING

Rope

-8-

Motor Protector

The pump is equipped with an internal miniature protector for the motor.

Miniature Protector

To protect the motor, if a current overload occurs in the motor or if the motor overheats

under the conditions given below, the pump will stop automatically, regardless of the water

level during operation.

• Extreme ﬂuctuation of power supply voltage

• Pump operated under overload condition

• Pump operated at binding condition

Note:

The motor protector will cancel automatically after it has been tripped. Therefore, make

sure to disconnect the cabtyre cable from the power outlet and eliminate the cause of the

problem. Do not operate the pump at an extremely low water level or with its impeller

clogged with debris. Doing so will prevent the pump from attaining its full potential and

may also generate abnormal noise and vibration and cause damage to the pump.

Prior to Operation

(1) Once again, check the nameplate of the product to verify that its voltage and frequency

are correct.

CAUTION

Improper voltage and frequency of the power supply will prevent the pump

from attaining its full potential, and may also damage the product.

Note:

Verify the specs on the pump's nameplate.

(2) Check the wiring, power supply voltage, the capacity of the ground leakage circuit

breaker, and the insulation resistance of the motor.

Insulation resistance reference value = 20MΩ minimum

Note:

The insulation resistance reference value of 20 MΩ min. is based on a new or repaired

pump. For reference values of a pump that has already been put into operation, refer to

"Maintenance and Inspection" in this manual.

(3) Adjust the setting of the thermal relay to the pump's rated current.

Note:

Verify the rated current on the pump's nameplate.

Connecting the Power Supply

WARNING

Before connecting the power plug or connecting the cable to the terminal

board, make sure that the power supply (i.e. circuit breaker) is properly

disconnected. Failure to do so may lead to electrical shock, short, or injury

caused by the unintended starting of the pump.

CAUTION

Do not use the pump if the cabtyre cable is damaged or the power plug is

loosely connected. Failure to observe this precaution may cause electrical

shock, short, or ﬁre.

Connect the power supply as illustrated on the

right.

Be sure to use a dedicated circuit breaker (such

as a plug-in type circuit breaker) of a prescribed

rating for the pump, which is commercially

available.

6OPERATION

GroundCircuit BreakerWarning LabelAlligator Clip (green)

-9-

Operation

WARNING

The pump may be extremely hot during operation. To prevent burns, do not

touch the pump with bare hands during and immediately after an operation.

Pay attention to the water level during the pump operation. The pump will become

damaged if it is

allowed to operate dry.

If the motor protector trips to stop the pump due to an overload operation or a pump

malfunction, make sure to eliminate the cause of the problem before restarting.

To operate the submersible pump automatically, set the water level so that the pump will

operate about 10 times per hour.

Note:

A large starting amperage ﬂows through the submersible motor, which causes the tem-

perature in the windings to rise suddenly. Continuing to operate the pump in this manner

will accelerate the deterioration of the insulation of the motor windings, which will affect

the life of the motor. For this reason, minimize the frequency of starting and stopping the

pump.

Operating Water Level

CAUTION

Do not operate the pump

below the continuous

running water level longer

than 30 minutes, as it

could damage the pump,

causing current leakage

and electrical shock.

Trial Operation

WARNING

Never start the pump while it is suspended, as the pump may jerk and cause

a serious accident involving injury.

(1) Operate the pump for a short time (3-10 minutes) and verify its operating conditions.

CAUTION

If the pump generates a considerable amount of vibration, noise, or smell,

disconnect the power supply immediately and contact the dealer where the

pump purchased, or the Tsurumi sales ofﬁce in your area. If the pump is

continued to be used in the abnormal state, it may cause current leakage,

electrical shock, or ﬁre.

(2) Continue operation if no abnormal conditions are found during the trial operation.

Lowest running water level (L.W.L.)Continuous running water level (C.W.L.)70mm280mm

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