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TERAL

ASIA LTD.

Instruction Manual

Estimated Terminal Pressure
Constant Control of Water
Supply Unit

Do not operate, service or inspect this pump until you have read and
understood this manual.
Retain this manual where it can be consulted at any time of
operation, maintenance and inspection of the pump.

To whom is performing the utility work:

Please submit this manual to the customer performing
the operation, maintenance and inspection of the pump.

Vertical multistage stainless centrifugal pump

Model:

SVM

, ASVMN, ASVMG

Содержание ASVM Series

Страница 1: ...ve read and understood this manual Retain this manual where it can be consulted at any time of operation maintenance and inspection of the pump To whom is performing the utility work Please submit this manual to the customer performing the operation maintenance and inspection of the pump Vertical multistage stainless centrifugal pump Model ASVM ASVMN ASVMG ...

Страница 2: ...curred for sending engineer s in such a case shall be borne by the user 5 If the cause of the failure is unclear necessary actions shall be determined through mutual consultation 6 In order to improve performance some parts and or components of the product may be changed without prior notice For repairs reuse parts conforming to TERAL s quality standards or substitute parts having equivalent funct...

Страница 3: ...nstallation procedure 3 3 3 4 Precautions for connecting the ducts 3 3 3 5 Precautions for wiring work 3 6 3 5 1 Power cable 3 6 4 Preparation for operation 4 1 4 1 Points to be checked before test running 4 1 4 1 1 Checking the electrical system 4 1 4 1 2 Checking the pump system 4 1 4 2 Pump operation test run 4 2 5 Maintenance and inspection 5 1 5 1 Precautions for maintenance and inspection5 1...

Страница 4: ...ds 1 2 Safety precautions Be sure to observe these precautions since they include important instructions about safety Danger After turning on the main power supply do not touch the current carrying parts A high voltage is applied to the current carrying parts and there is a significant danger if you receive an electric shock Warning Properly transport the product according to lifting instructions ...

Страница 5: ...service center designated by TERAL If unskilled personnel carry out work that requires special knowledge it may lead to an accident and or failure Do not operate the equipment if it does not run normally or abnormal condition is observed in parts components and others Otherwise it may lead to injury failure and or various accidents Do not operate the equipment in an explosive atmosphere Otherwise ...

Страница 6: ...he maintenance checklist Otherwise failures cannot be prevented which raises the risk of accidents Before disassembly close both the suction and discharge sluice valves and then discharge pressured water from the pump and the piping Otherwise water may spurt out leading to an accident If there is any alarm or any abnormality that cannot be resolved immediately contact us or your service company Ot...

Страница 7: ...refer to the delivery specifications etc supplied separately to check the specifications 2 1 Part names of the pump Motor Motor bracket Outer sleeve Pump head Base Coupling Coupling guard Mechanical seal Priming plug Air vent plug Drain plug ASVM N G 25 and 32 have a double structure of a drain bypass plug 1 2 3 4 6 8 9 10 5 7 Figure 2 1 1 ASVM N G type pump components This figure shows the typica...

Страница 8: ... 13 8 5 23 5 10 5 29 15 40 22 58 30 85 56 120 60 160 75 180 Max pressure bar 21 5 23 24 21 5 23 24 3 27 5 33 21 8 20 20 4 18 7 Motor power kW 0 37 2 2 0 37 3 0 37 5 5 0 37 7 5 1 1 15 1 1 18 5 1 5 30 3 45 4 45 5 5 45 11 75 11 75 Motor Main connection 1 V Hz Premium voltage tolerance 10 220 240V 50Hz Main connection 3 V Hz Premium voltage tolerance 10 0 37 7 5kW 220 240 380 415V 50Hz From 11kW 380 4...

Страница 9: ...9 12 25 3 12 10 PN 25 50B 1 10 16 1 3 8 PN 16 1 7 16 1 8 PN 16 12 17 25 4 17 10 PN 25 8 10 25 2 10 10 PN 25 65 1 1 7 16 1 1 4 4 PN 16 1 1 5 16 1 1 2 4 PN 16 8 2 14 30 5 2 10 10 PN 25 40 6 2 10 2 30 3 2 6 10 PN 25 40 11 2 14 15 7 2 10 2 15 80 1 1 5 16 1 1 2 4 PN 16 1 1 4 16 1 1 1 4 PN 16 6 2 11 30 3 2 10 PN 25 40 5 2 7 30 2 2 3 10 PN 25 40 12 2 13 2 33 6 2 13 2 15 4 2 7 15 100 1 1 5 16 1 1 1 4 PN 1...

Страница 10: ...following points immediately after unpacking If there are any problems contact the sales agent you purchased the product from 1 Check the nameplate to verify that the equipment is the one you ordered 2 No part of the product is damaged during transportation 3 All fastening parts including bolts and nuts are securely tightened 4 All the accessories that you ordered have been delivered Note The plat...

Страница 11: ...d specifications 2 The arrow of the casing indicates the liquid flow direction Do not install it in the reverse direction 3 Install the pump vertically Do not install it horizontally or reversely 4 Firmly fix the pump with foundation bolts on level foundation concrete 5 Be sure to dig a drain ditch around the pump and apply waterproof treatment to the floor surface 6 If the pump may be frozen duri...

Страница 12: ...so that they hang at the center of the foundation holes Note The metal wedges adjust the horizontal level of the pump and withstand the pump weight and the operating load Use metal wedges as thick as possible to reduce the number of them Uniformly place them near foundation bolts 6 Put a level on the flange surface to check that it is vertical If it is not vertical adjust it with metal wedges 7 Af...

Страница 13: ...l any elbow near the suction port or the discharge port of the pump 6 The suction pipe must be made as short and straight as possible 7 Carefully attach joints etc to the suction pipe so as not to allow the entry of air 8 Ensure that the diameter of the suction pipe is equal to or larger than that of the pump Caution Ensure that the diameter of the suction pipe is equal to or larger than that of t...

Страница 14: ... of air In addition ensure that it is set above 500 mm or more from the bottom of water Caution Properly install the foot valve vertically If it is installed obliquely the valve does not open or close properly which may impair the function of the foot valve 10 5 If the suction operation is performed using two or more pumps do not connect each suction pipe to another pipe 10 6 Attach a sluice valve...

Страница 15: ...e or metal duct to shield it and ground the outer surface of the pipe 4 Keep power voltage fluctuations within the range of 10 of the rated voltage and frequency fluctuations within the range from 3 to 5 of the rated value The use of the equipment beyond these limits may cause a failure Even if they are within the allowable ranges of fluctuations the pump characteristics motor characteristics temp...

Страница 16: ...ng At the time of priming air release prevent the motor or the parts from being damaged by spouting water When handling hot water be careful not to suffer burns Caution Never run the pump without priming Otherwise the sliding parts in the pump may seize up 1 Rotate the pump shaft by hand to check smooth rotation Remove the coupling guard and hold the coupling to rotate the pump by hand The rotatio...

Страница 17: ...nt carrying parts Because a high voltage is applied to the current carrying parts a significant danger may be posed if you may receive an electric shock Warning Be sure to install the cover of the terminal box of the electric motor Otherwise you may receive an electric shock Warning Before operating the pump be sure to attach the coupling guard Otherwise you may get entangled and injured Warning D...

Страница 18: ... much as possible The maximum number of starts shall be approximately 5 times per hour 1 Turn on and off the power once or twice to check the rotation direction of the pump The normal rotation direction is left counterclockwise as viewed from the upper side of the motor fan If the pump rotates in the reverse direction swap two of the three wires of the power cable Caution Avoid rotations in the re...

Страница 19: ...e pump because freezing may occur inside the pump during the winter season etc When the pump is not used for a long time turn off the main power for safety Otherwise accumulated dust may cause heating or ignition Since it may be difficult to rotate the pump because of a stuck sliding surface of the mechanical seal periodically operate the pump to prevent the sliding surface from being stuck If you...

Страница 20: ...he clearance of the coupling and widen it and then the coupling can be easily removed For the models of ASVM N G 25 to 50 remove the parallel pin from the main shaft of the pump 5 For a model with a motor output of 7 5 kW or less use a proper crane to remove the motor For models with a motor output of 11 kW or more a spacer coupling is used and it is not necessary to remove the motor 6 Loosen the ...

Страница 21: ...djust the coupling so that the uniform clearances are created on both of its sides fix it using the fixing bolts Recommended tightening torque 13 N m M6 screws 31 N m M8 screws 62 N m M10 screws 10 Remove the plate Loosen the three set screws to ensure that there is no clearance at the upper part of the mechanical seal 11 Uniformly tighten the three set screws Recommended tightening torque 2 5 N m...

Страница 22: ...o parallel pin Align the upper end of the main shaft of the pump with the upper end of the shaft hole of the coupling as shown in the figure below 9 While adjusting the clearances on both sides of the coupling in such a way that they are uniform fix the coupling using the fixing bolts Recommended tightening torque 13 N m M6 screws 31 N m M8 screws 62 N m M10 screws 10 Remove the plate and rotate t...

Страница 23: ...low the old grease to be displaced by the new grease If the motor is stopped add the recommended amount of grease If the motor is to be lubricated while running add a slightly greater quantity of grease 3 Add grease slowly taking approximately one minute until new grease appears at the shaft hole in the flange or grease outlet plug Never add more than 1 2 times the amount of grease shown in the re...

Страница 24: ... loose screws Pump and motor Operation status Performance Visual check As per specifications If any failure is found overhaul the pump Current value Measure As per specifications Noise vibration Hear Touch No unusual vibration Around the main shaft Smooth rotation Rotation by hand Smooth rotation Mechanical seal Water leakage Visual check No water leakage Once a year or consecutive 8000 hours O ri...

Страница 25: ...gged with foreign objects The pump is clogged with foreign objects Check and clean the suction pipe or the discharge pipe Ask the specialized vendor for investigation The foot valve or the check valve is clogged or has a failure Replace the foot valve or the check valve Piping work has been performed with the dust caps attached to the suction or discharge side Remove the dust caps Air is trapped i...

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