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 ·················································································································· 6-2
6.1
Check items related to manual operation ········································································· 6-2
6.2
Check items related to automatic operation ······································································ 6-3
7.
Basic operations and indications/settings ··············································································· 7-1
7.1
Pump Operation ········································································································· 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 specification····································································································· 10-1
10.1
Negative suction type ································································································ 10-1
10.2
Models with outdoor cover ·························································································· 10-2
