Contents
1.
Safety precautions ············································································································1-1
1.1
Explanation of safety indications and graphic symbols························································1-1
1.2
Safety precautions······································································································1-1
2.
Before using the water supply unit························································································2-1
2.1
Points to be checked···································································································2-1
2.2
Model type description·································································································2-1
3.
Configuration and overview of the water supply unit ·································································3-1
3.1
Specifications of the water supply unit·············································································3-1
3.2
Names and functions of each part ··················································································3-2
3.3
Specifications of control panel·······················································································3-6
3.4
Specification tables·····································································································3-7
4.
Installation ······················································································································4-1
4.1
Precautions for installation ···························································································4-1
4.2
Precautions for piping work ··························································································4-2
4.3
Precautions for wiring work···························································································4-3
5.
Preparation for operation····································································································5-1
5.1
Points to be checked before test operation·······································································5-1
5.2
Turning on the power ··································································································5-2
6.
Test operation··················································································································6-1
6.1
Check items related to manual operation ·········································································6-1
6.2
Check items related to automatic operation······································································6-1
7.
Basic operations and indications/settings ···············································································7-1
7.1
Operating the pump ····································································································7-1
7.2
Selecting a receiver tank······························································································7-2
7.3
Selecting the operation of the inflow solenoid valve····························································7-3
7.4
Indications on the display ·····························································································7-4
7.5
Parameter settings ·····································································································7-7
8.
Maintenance and inspection································································································8-1
8.1
Precautions for maintenance and inspection ····································································8-1
8.2
Inspection mode·········································································································8-2
8.3
Maintenance check list ································································································8-3
9.
How to handle troubles ······································································································9-1
9.1
Alarm handling ··········································································································9-1
9.2
Troubleshooting ·········································································································9-2
10.
Special models ··········································································································· 10-1
10.1
Lifting models ·········································································································· 10-1
10.2
Freeze-proof models ································································································· 10-2