CONTENTS
1-1. General precautions............................................................................................................... 2
1-7. Additional precautions ............................................................................................................ 6
2. About the product ················································································· 8
4. Specifications ······················································································· 9
5. Package contents ················································································· 11
8. Foundation work ··················································································17
9-1. Restrictions .......................................................................................................................... 19
9-2. Pipe selection....................................................................................................................... 21
9-3. Twinning kit selection ........................................................................................................... 21
9-6. Air-tightness test .................................................................................................................. 30
10. Electrical work ···················································································41
10-4. System configuration ......................................................................................................... 44
10-6. Address setting .................................................................................................................. 51
11. Test run ·····························································································52
11-1. Before a test run ................................................................................................................. 52
11-2. Function setting .................................................................................................................. 53
11-4. Operation check ................................................................................................................. 54
WT07282X01
GB-1