
II
Purpose of this manual
The purpose of this manual is to provide the user with detailed information necessary to operate,
maintain and inspect the pump properly.
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 Safety indications and their meanings······························································································1-1
1.2 Safety precautions····························································································································1-1
1.2.1. Precautions for operation··········································································································1-1
1.2.2. Precautions for installation, maintenance, and inspection························································1-1
2. Configuration and overview of the pump ·································································································2-1
2.1 Part names ·······································································································································2-1
2.2 Pump specifications··························································································································2-2
3. Installation ················································································································································3-1
3.1 Before using the pump ·····················································································································3-1
3.2 Precautions for installation ···············································································································3-1
3.3 Precautions for piping work ··············································································································3-2
3.4 Precautions for wiring work ··············································································································3-2
4. Preparation for 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 operating water level······································································4-1
4.2 Test operation···································································································································4-3
4.3 Check items related to automatic operation ·····················································································4-3
4.3.1. Automatic alternate operation···································································································4-3
4.3.2. Automatic alternate/parallel operation ······················································································4-3
5. Maintenance and inspection ····················································································································5-1
5.1 Precautions for maintenance and inspection ···················································································5-1
5.2 Maintenance check list ·····················································································································5-1
6. Troubleshooting ·······································································································································6-1
7. Detachable device (option) ······················································································································7-1
7.1 Names of components······················································································································7-1
7.1.1. C-type detachable device ·········································································································7-1
7.1.2. SEC type detachable device·····································································································7-1
7.2 Installation of the detachable device ································································································7-2
7.2.1. C-type detachable device ·········································································································7-2
7.2.2. SEC type detachable device·····································································································7-2
7.3 Installation of the pump ····················································································································7-3