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
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