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Instruction Manual
Installation Manual
Deep Well Submersible Pump
Model MSU/MSUS
Teral Inc.
Thank you for your purchase of the Deep Well Submersible
Pump.
To the customers
Instruct the dealer (installation contractor) to install the
pump.
Thoroughly read this manual to properly use the pump.
Keep this manual carefully after use, and read it when
needed.
Note that we are not liable for any product failures or
accidents caused by improper use.
To the dealers (installation contractor)
Properly install the pump according to the installation
manual.
After the completion of installation, be sure to submit this
manual to the customer.
Note that we are not liable for any product failures or
accidents caused by improper installation or improper use.
Contents
Instruction Manual
Safety precautions............................................ 1
Instructions for proper use.................................2
Name and function of each part ........................3
Troubleshooting.................................................3
After-sales service .............................................3
Standard specifications .....................................4
Safety precautions............................................ 6
Installed pump system and names....................8
Instructions for installation .................................9
Control panel ...................................................11
Wiring work ......................................................11
Anti-freeze measures ......................................12
Commissioning ................................................13
Use of the closed expansion tank ...................13
Appropriate operating range of the pump........14
Minimum operating head .................................15
for the customer
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Table of Contents
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Summary of Contents for Teral MSU
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Page 1: Table Of Contents
Instruction Manual Installation Manual Deep Well Submersible Pump Model MSU/MSUS Thank you for your purchase of the Deep Well Submersible Pump. To the customers Instruct the dealer (installation contractor) to install the pump. Thoroughly read this manual to properly use the pump. -
Page 2: Safety Precautions
Instruction Manual [for the customer] Safety precautions Be sure to observe the following. The following symbols and labels indicate the instructions that the user must observe in order to prevent personal injury and property damage. Levels of possible injuries and damage due to improper use in defiance of the instructions are classified by the following symbols and labels. -
Page 3: Instructions For Proper Use
CAUTION Never run the pump dry (when it is not submerged in Do not open the door of the control panel. water). An electric shock or accident may occur. A fire, electric shock, or accident may occur. If the product is not working properly, If water does not flow out, immediately turn off immediately turn off the power and contact the the power and contact the dealer (installation... -
Page 4: Name And Function Of Each Part
Name and function of each part Refer to page 7 for the installed system of the pump and the above-ground section. Refer to the separate Instruction Manuals for the control panel and the above-ground units. Troubleshooting If there is a problem, carry out troubleshooting according to the following table. If the problem still persists, contact the dealer (installation contractor). -
Page 5: Standard Specifications
Standard specifications Applicable well diameter (mm) 75(3B) 100 (4B) or more 125 (5B) or more 150 (6B) or more 25MSUS4 50MSUS6 Applicable model 25MSU3 25MSUS4-_ _ _ _S 32MSUS4 40MSU5 40MSU6 65MSUS6 40MSUS4 80MSUS6 Liquid quality Fresh water Allowable liquid 10 to 25°C 40°C (Minimum flow rate through the motor: 4.5 m/min) 10 to 40°C... - Page 6 Applicable well diameter (mm) 200 (8B) or more 250 (10B) or more 300 (12B) or more 350 (14B) or more 400 (16B) or more 80MSU8 80MSUS8 Applicable model 100MSU8-_ _ _ _B 125MSU10 150MSU12 200MSU14 250MSU16 100MSU8 100MSUS8 Liquid quality Fresh water Allowable liquid 10 to 25°C...
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Page 7: Installation Manual For The Dealer (Installation Contractor)
Installation manual [for the dealer (installation contractor)] Safety precautions Be sure to observe the following. The following symbols and labels indicate the instructions that the installation worker must observe in order to prevent personal injury and property damage. Levels of possible injuries and damage due to improper use in defiance of the instructions are classified by the following symbols and labels. - Page 8 CAUTION Install the pump outdoors. If you need to install it indoors, be sure to take measures against water leakage. Opening Second floor First floor If water flows out during repairs, inspection, or a failure, it may drench surrounding areas and downstairs areas, thus resulting in serious compensation issues.
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Page 9: Installed Pump System And Names
Installed pump system and names Sluice valve Compound pressure gauge Check valve Companion Air valve flange Piping support Discharge bend Submersible cable Well lid 2-conductor cable for the electrode Cable tie Well casing (steel pipe or PVC pipe) Lifting pipe Electrode (for preventing dry running) Pump body... -
Page 10: Instructions For Installation
Instructions for installation Installation position of the pump If the inlet port of the pump is located near the well strainer, it sucks a large amount of sand, which not only reduces the Natural water service life of the pump, but also causes an accident. Install the level pump above the well strainer as far away as possible. - Page 11 CAUTION Never run the pump dry (when it is not submerged in water). A fire, electric shock, or accident may occur. Don’ts If water does not flow out, immediately turn off the power and contact the dealer (installation contractor). Submersible cable Before and after installing the cable, be sure to measure the insulation resistance and continuity.
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Page 12: Control Panel
Control panel Be sure to install the specified control panel. WARNING Do not install the control panel in a place with a Be sure to install the control panel. risk of ignition, generation of corrosive gas, or exposure to vibrations, dust, high temperatures (40°C or more) or high humidity (90% or more). -
Page 13: Anti-Freeze Measures
Keep the voltage imbalance of each phase within ±2.5%. For the connection of the control panel, refer to the separate Instruction Manual for the control panel. Check the rotation direction – normal or reverse (for three-phase motors only). Open the sluice valve about a half to one turn. Close the cock of the compound pressure gauge. -
Page 14: Commissioning
Commissioning WARNING CAUTION Do not run the product if the insulation Maintain the minimum operating head resistance between the control panel when running the product. and the submersible motor is not An accident may occur. higher than 1 M . Don’ts Refer to the minimum operating head on page 14. -
Page 15: Appropriate Operating Range Of The Pump
Appropriate operating range of the pump Ensure that the discharge rate of the pump meets the specifications (refer to the commercial drawing.) If the discharge rate is too low, the motor may overheat and burn out. If you use the product for a well with a diameter larger than the applicable well diameter, ensure to run the pump at the following minimum flow rate or more. -
Page 16: Minimum Operating Head
Minimum operating head Use the Deep Well Submersible Pump within the allowable operating range. Using the pump outside the operating range may cause malfunction and an accident. Particularly when running the pump with a low head, maintain the following minimum operating head. (The operating water level plus the compound pressure gauge pressure of the above-ground section must be equal to or larger than the following minimum operating head.) Applicable... - Page 20 Head Office 230, Moriwake, Miyuki-cho, Fukuyama-city, Hiroshima, 720-0003, Japan Tel.+81-84-955-1111 Fax.+81-84-955-5777 www.teral.net 2016 06 TP‑422‑00...
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