II
Purpose of this manual
The purpose of this manual is to provide the user with detailed information necessary to properly operate,
maintain and inspect the pump. Incorrect operation of this product may lead to an unexpected accident.
Please use the product correctly according to this instruction manual.
This manual contains the following information and is intended for persons experienced in the operation of
pumps, or for those who have been trained by such experienced operators. Only qualified personnel such
as licensed electrical engineers are allowed to carry out the electrical wiring work.
Contents
(Page)
Limited warranties
.................................................................................................................................... I
Purpose of this manual
........................................................................................................................... II
Contents
.................................................................................................................................................... II
1.
Safety precautions ............................................................................................................................... 1-1
1.1
Types and meanings of safety signs and graphic symbols ......................................................... 1-1
1.2
Safety precautions ....................................................................................................................... 1-1
1.3
Location of warning labels and caution labels ............................................................................. 1-4
2.
Configuration and overview of the pump ............................................................................................. 2-1
2.1
Before using the pump ................................................................................................................ 2-1
2.2
Model type description ................................................................................................................ 2-1
2.3
Part names and functions ............................................................................................................ 2-2
2.4
Standard specifications ............................................................................................................... 2-3
2.5
Specification table ........................................................................................................................ 2-4
2.6
Total suction head ........................................................................................................................ 2-4
3.
Installation ........................................................................................................................................... 3-1
3.1
Precautions for installation .......................................................................................................... 3-1
3.2
Installation procedure .................................................................................................................. 3-3
3.3
Precautions for piping work ......................................................................................................... 3-4
3.4
Precautions for wiring work ......................................................................................................... 3-7
4.
Operation ............................................................................................................................................. 4-1
4.1
Check items before test operation ............................................................................................... 4-1
4.1.1
Check items related to the electrical system ....................................................................... 4-1
4.1.2
Check items related to the pump ......................................................................................... 4-1
4.2
Running the pump (test operation) .............................................................................................. 4-2
5.
Maintenance and inspection ................................................................................................................ 5-1
5.1
Precautions for maintenance and inspection .............................................................................. 5-1
5.2
Mechanical seal ........................................................................................................................... 5-2
5.3
How to adjust the mechanical seal .............................................................................................. 5-2
5.3.1
How to remove the mechanical seal .................................................................................... 5-3
5.3.2
How to attach the mechanical seal ...................................................................................... 5-4
5.4
Bearings ...................................................................................................................................... 5-5
5.5
Maintenance checklist ................................................................................................................. 5-6
6.
Troubleshooting ................................................................................................................................... 6-1