Teral S Manuale utente

Instruction Manual

Do not operate, service or inspect this pump until you have

read and understood this manual.

Keep this manual in a safe place where it can be consulted

at any time.

To: All mechanical Contractor

Make sure to supply copies of this manual to the

customer’s operator maintenance and inspection

personnel.

Model: S / SJ / SJ4 / SKJ

Volute Pum

Ⅰ

Limit of Liability

1. Warranty period is for period of 18 months after date of the bill of lading or 12 months after installation

whichever earlier．

2. During warranty period，equipment sold is warranted to the Buyer to be free from defective material and

workmanship．If Buyer notifies Seller in writing of any claimed defect in the equipment and if，after

appropriate reasonable opportunity to inspect and remedy any defect by Seller，the equipment is found

not be in conformity with this warranty，the Seller will，at its option and expenses either repair the same

or provided a replacement of defective parts，on condition of F.O.B. Japan．

3. The warranties set forth herein are exclusive and in lieu of all the warranties，express or implied by law or

trade usage．Seller shall not be liable for any special，indirect，or consequential damages，including but

not limited to loss of use for lost of anticipated profits，arising out of this contract or a breach thereof．

Seller does not warrant any auxialiary equipment．

4. The foregoing warranty does not cover，and the Seller makes no warranty with respect to：

（1） Defect is caused by other equipment which not supplied by Seller or use of improper parts not

specified by Seller．

（2） Failures not reported the Seller within the warranty period above specified．

（3） Force Majeure：

The Seller shall not be liable in any manner for failures，damages，directly or indirectly owing to

any causes or circumstances beyond Seller's control，including Acts of God，Govermental

orders or restriction，war，war like conditions，hostilities，sanctions，riot，looting，strike，lockout，

plague or other epidemics，fire and flood．

（4） Failures or damages due to negligence，accident，abuse，improper operation or maintenance or

abnormal conditions of temperature，moisture，dirt，or corrosion，and repaired works by others

without Seller's consent．

（5） Improper storage before installation．

（6） The cost of dismantling and installation of the equipment．

（7） Dispatching an engineer for repair．

Ⅱ

Purpose of this Manual

The purpose of this manual is to provide the detailed information that the user needs to know in order to

correctly operate，service and inspect the volute pump．

This manual is intended for persons experienced in the operation of volute pumps，or for persons who have

received instruction from such experienced persons．

Wiring and electrical work must be performed by qualified persons only.

CONTENTS

Limit of Liability ……………………………………………………………………………………… Ⅰ

Purpose of this Manual ……………………………………………………………………………… Ⅱ

1. Safety

1.1 Warnings …………………………………………………………………………………… 1-1

1.2 Safety instructions ………………………………………………………………………… 1-1

1.2.1 Safety instructions for operation …………………………………………………… 1-1

1.2.2 Safety instruction for installation，maintenance and inspection ………………… 1-2

1.3 Location of warning label ………………………………………………………………… 1-2

2. Structure and overview of the pump

2.1 Names of parts …………………………………………………………………………… 2-1

2.2 Specifications …………………………………………………………………………… 2-2

3. Installation

3.1 Delivery checks …………………………………………………………………………… 3-1

3.2 Instructions for installation ………………………………………………………………… 3-1

3.3 Installation procedure …………………………………………………………………… 3-2

3.4 Cautions for piping work…………………………………………………………………… 3-4

3.5 Instructions for wiring work ……………………………………………………………… 3-5

4. Preparation for operation

4.1 Checks prior to test operation …………………………………………………………… 4-1

4.1.1 Electrical system checks …………………………………………………………… 4-1

4.1.2 Pump system checks ………………………………………………………………… 4-1

4.2 Test operation …………………………………………………………………………… 4-1

5. Maintenance and inspection

5.1 Cautions for maintenance and inspection ……………………………………………… 5-1

5.2 Mechanical seal …………………………………………………………………………… 5-2

5.3 Gland packing ……………………………………………………………………………… 5-2

5.4 Periodic inspection table ………………………………………………………………… 5-3

6. Troubleshooting …………………………………………………………………………………… 6-1

1-1

1. Safety

1.1 Warnings

The Warnings used in this manual are graded into 4 types，according to the degree of

danger（or seriousness of potential accident）that they signify．

DANGER indicates the highest degree of danger，followed by WARNING and CAUTION，

in that order．

There are also NOTES，which draw attention to important information．

Be sure to know the degree of danger signified by the various types of warning，and

follow all the instructions that they give．

Grade Meaning

Imminent danger．Failure to follow the instructions given will

result in death or serious injury．

Potential danger．Failure to follow the instructions given

could result in death or serious injury．

Potential danger．Failure to follow the instructions given could

result in medium or light injury，or in damage to the equipment．

N O T E

Draws attention to or stresses important information．

1.2 Safety instructions

1.2.1 Safety instructions for operation

（1） Before turning on the power，always fit the cover over the motor terminal box．

There are parts inside the box that are electrified at 100V-200V and could

electrocute you．

（2） Do not allow water to get onto or into motor．If it does，it could cause short circuits or break

insulation，which could result in damage to the machine．

（3） Before operating the pump，inform all the personnel concerned，and make sure that

nobody is in a dangerous place．

（4） While the pump is on operation，touch only those parts of it that you have to touch in order to

operate it．

（5） The motor can be hot. Do not touch it.

（6） Operate the controls GENTLY ．Do not use force ．Operating the controls forcefully

may result in damage，malfunction or breakdown．

（7） The pump should only be operated by persons who have been authorized to do so by

the director of the workplace．

（8） While the pump is running，be sure to fit the shaft coupling protective cover．

（9） Do not run the pump with tools or other objects placed on top of it．

（10） If any of the pump's components are defective or not functioning，DO NOT operate the pump．

（11） Do not put fingers or objects into the motor's openings．If you do，you could get an electric

shock．

1-2

1.2.2 Safety instructions for installation，maintenance and inspection

（1） Installation，maintenance and inspection of the pump should be performed by personnel who

have been trained in its operation and use．Electrical wiring work should be performed only by

suitably qualified personnel or electricians．

（2） Be sure to make an auxiliary pump readily available if the pump is used for key facilities in

which disruption of water supply may cause a serious problem.

（3） Before carrying out maintenance or inspection of the pump，be sure to inform all relevant

personnel．

（4） Before carrying out maintenance or inspection of the pump, stop the pump and turn off the

main power supply to the operation panel．If you carry out the work with the power turned on，

there is danger of electric shock，and the pump could start up suddenly，causing injury．Be

sure to install an electrical leakage breaker on the power supply side．

（5） If any trouble or abnormality occurs while the pump is running, stop operation, shut off the

power supply and contact the dealer that you bought the pump from, or else a service agent

approved by the manufacturer.

If you continue operation despite the occurrence of trouble or abnormality,electric shock or fire

could result.

（6） Do not allow water to get onto or into the motor．If it does，it could cause short circuits or break

insulation，which could result in damage to the machine．

（7） After the power is turned on，touch only those parts of the pump that you have to touch in order

to operate it．In particular，do not touch the electrical circuits，or you could be electrocuted．

Be sure to fit the cover over the motor terminal box．

１.３Location of warning label

The location of the warning label is shown in the drawing below．If the label becomes dirty or

illegible，or starts to peel off，etc.，replace it with a new one．

Follow ALL instructions in warnings affixed to the pump and written in this manual．

2-1

2. Structure and overview of the pump

2.1 Names of parts

① Casing

The piping is connected to the casing．

The impeller，which giving pressure to the pumped water by its rotation，is housed

inside the casing．

② Motor

③ Common bed

④ Bearing case

The sealed ball bearing is housed in it．

⑤ Shaft coupling

This coupling connects the pump and motor shafts，transmitting the power．

It absorbs offset between the centers of the two shafts．

⑥ Shaft coupling protective cover

⑦ Shaft seal parts

This prevents leakage from the clearance through which the shaft penetrates．

Both of mechanical seal type and gland packing type are available．

The pump shown here is a typical model

2-2

2.2 Specifications

The specifications of the standard pumps are shown in the below table．Refer to the Assembly

drawing, the Sectional drawing and other specification documents for details.

If optional or special specifications are required，refer to the Assembly drawing ,the Sectional

drawing and other specification documents.

Standard specifications

Applicable models Model SJ Model SJ4 Model S Model SKJ

Qualities Fresh water *1Pumped

medium Temperature 0～80℃

Installation location Indoors（ambient temperature 0-40℃）

50Hz

-6m

(If suction port

diameter 100 ㎜：-5m)

Total suction

Head*2

(when 20℃）

60Hz

-6m

(If suction port

diameter 100 ㎜：-5m)

-6m

(If suction port

diameter 200 ㎜：-5m)

(However，if pump is used with total

head of less than 10 m，total suction

head should not exceed 60% of

total head)

-6m -6m

1.1MPa - closed valve

pressure

(suction port diameter

80 ㎜or below)

Allowable

positive pressure

1.0MPa - closed valve

pressure 1.37MPa - closed valve

pressure

(suction port diameter

125 ㎜or above)

0.29MPa 1.57MPa

Impeller Closed

Shaft seal Mechanical seal Mechanical seal Gland packing Mechanical seal

Structure

Bearing Sealed ball bearing

Material Refer to the Sectional drawing

Type Refer to the Assembly drawing

Motor Poles 2P 4P

Power supply

Allowable voltage variation:

±10％max.

Phase imbalance:3％max.

50 Hz：3 phase，380/400V

60 Hz：3 phase，400/440V

Do not use the pump in conditions out of its specification ranges．

If the pump is used out of these ranges，electric shock，fire，or breakdown could result．

Suction JIS 16K

Pump

flange

standard Discharge JIS 10K regular type

JIS 10K thin type

JIS 20K

*1 Fresh water: Water containing no contaminants (solids) with pH of 6.5 to 8 and whose chloride ion

concentration does not exceed 200 ppm. If the water contains substantial amount of corrosive ions,

*2 The total suction head in the specifications is the value at 20°C water temperature. The maximum

suction head should decrease when the pump is used with warm or hot water. Contact us when

pump is used for such applications.

3-1

3. Installation

3.1 Befor using the pump

When receiving pump，check the following：

If any defects，contact agent．

（1）Are all descriptions on name plate as ordered？

（2）Has any damage occurred during transportation？

（3）Have any nuts or bolts（or other parts that should be tight）been loosened？

（4）Have all the accessories that were ordered been delivered？

３.２Instructions for installation

（1） Install the pump in a place that satisfies the following conditions：

・ A place sheltered from wind and rain．

The standard pump is for indoor use．If it is installed outdoors，order out door application

pump as special specification, or the place must be sheltered from wind and rains．

・ A well-ventilated place，with less humidity or dust in the air．

・ A place with ambient temperature in the range 0-40℃．

・ A place where unauthorized persons cannot enter．（So that unauthorized persons can not

operate the pump．）

・ A place as near as possible to the water source.

・ A place where a possible water leak should not create a secondary hazard.

（2） Fasten the pump securely on a concrete foundation，using anchor bolts．

（3） Be sure to provide drainage ditch around the pump．

（4） If there is danger of freezing in the wintertime，be sure to provide anti freezing measures for the

pump room or for the pumps，its valves and piping．

（5） The doors and walls of the pump room should be made of materials with good sound

insulation effect．

（6） When lifting the pump，rope must tight up with through under common bed．

Before unpacking，make sure that the pump is the right side up．

Especially if packing is wooden crate，beware of nails，

or you could hurt yourself．

Install the pump in a position where the total suction head (suction

height + suction piping loss) will be within the specified standard value

and also as small as possible.

Do not lift the pump with tighting rope on pump shaft or eye bolt of motor．

Before lifting the pump，check its weight（given in catalog and outer dimension

drawings），and make sure that the weight of the pump does not exceed the rated

load of the ropes and lifting equipment．

3-2

3.3 Installation procedure

（1） Provide a foundation of ample area and depth to bear the weight of the pump and its

operating load．

（2） Provide holes in the foundation in accordance with the drawings，or else using the pump itself

to determine the hole positions prior the pump is installed．

Anchor bolt and anchor bolt hole dimensions

FD FL FB Wa H

M10 200 45 100 250

M12 250 55 120 300

M16 315 70 150 370

M20 400 90 190 450

（3） Make sure that the surface of the concrete foundation is level，and protect it horoughly until the

pump is installed．

（4） Mount the pump on the foundation．When mounting，insert square steel plates or metal

wedges between the common base and the concrete foundation，to make a gap through which

the mortar can be poured in．（The gap should be 10-30 mm wide.）

As well as being used for adjusting the levelness of the pump，the metal wedges will

receive the pump's weight and operating load．

Use only a few wedges，that are as thick as possible．

Insert the wedges close to the anchor bolts，and locate them so that they provide

even weight．

（5） Fix the anchor bolts to the common base using the nuts，and hang them in center of bolt holes.

N O T E

3-3

（6） Place level gauge on the surface of the flange，and check that the flange is perfectly horizontal．

If it is not，use the metal wedges to adjust it．

（7） Confirmation of shaft alignment．

The shafts is aligned before shipment．However，if the shafts may become offset during

transport，re-align it at site．

（8） Pour mortar into the anchor bolt holes，the gap under the common base，and the area

around the common base after alignment of shafts is completed．When the mortar has fully

cured，tighten the anchor bolts．

Be sure to align the shafts correctly．If they are not correctly aligned，

damage to the equipment，vibration or noise could result．

If you remove the shaft coupling cover to align the shafts，BE SURE to fix it

back in place before running the pump．If the cover is left off when the pump

is run，body parts could get caught up by the rotating parts，resulting in

serious injury．

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