
2
Contents
1. Introduction ......................................................................................................................................................... 3
1.1 General............................................................................................................................................................. 3
1.2 Symbols used................................................................................................................................................... 3
1.3 Abbreviations ................................................................................................................................................... 3
1.4 HWA Charter ................................................................................................................................................... 3
1.5 Tools required .................................................................................................................................................. 3
1.6 Liabilities........................................................................................................................................................... 4
1.7 Benchmark ....................................................................................................................................................... 4
2. Safety.................................................................................................................................................................... 5
2.1 General safety warnings................................................................................................................................... 5
2.2 Recommendations ........................................................................................................................................... 5
2.3 Specic safety instructions ............................................................................................................................... 5
3. Technical specications ..................................................................................................................................... 6
3.1 Technical data .................................................................................................................................................. 6
3.2 Overall Dimensions .......................................................................................................................................... 7
3.3 Circuit Diagrams .............................................................................................................................................. 8
4. Description of the product ................................................................................................................................. 9
4.1 General description .......................................................................................................................................... 9
4.2 Operation principle ........................................................................................................................................... 9
4.3 Standard delivery ............................................................................................................................................ 10
5. Before installation ............................................................................................................................................... 11
5.1 Installation regulations...................................................................................................................................... 11
5.2 Installation requirements .................................................................................................................................. 11
5.4 Choice of location............................................................................................................................................. 11
5.5 Positioning and access..................................................................................................................................... 11
6. Installation ........................................................................................................................................................... 13
6.1 General............................................................................................................................................................. 13
6.2 Wall xing ......................................................................................................................................................... 14
6.3 Water connections............................................................................................................................................ 16
7. Commissioning .................................................................................................................................................. 18
7.1 General............................................................................................................................................................. 18
7.2 Checklist before commissioning....................................................................................................................... 18
7.3 Commissioning procedure................................................................................................................................ 18
8. Operation ............................................................................................................................................................ 19
8.1 General............................................................................................................................................................. 19
8.2 Benchmark ....................................................................................................................................................... 19
8.3 Overview ........................................................................................................................................................ 19
8.4 Displays and Function ...................................................................................................................................... 19
8.5 Temperature adjustment .................................................................................................................................. 20
9. Maintenance......................................................................................................................................................... 21
9.1 General............................................................................................................................................................. 21
9.2 Routine inspection & maintenance operations – Water Heater Draining ........................................................ 21
9.3 Routine inspection & maintenance operations – Filter Inspection.................................................................... 21
9.4 Routine inspection & maintenance operations – Water Sensor Inspection...................................................... 22
9.5 Routine inspection & maintenance operations – Immersion Heater Inspection............................................... 23
9.6 Routine inspection & maintenance operations - System Overview ..................................................................25
9.7 LCD cover removal........................................................................................................................................... 25
10. Troubleshooting ................................................................................................................................................ 26
10.1 Fault Finding................................................................................................................................................... 26
10.2 Fault codes..................................................................................................................................................... 27
11. Decommissioning.............................................................................................................................................. 29
11.1 Decommissioning procedure .......................................................................................................................... 29
11.2 Environmental Information.............................................................................................................................. 29
12. Spares ................................................................................................................................................................ 30
12.2 Accessories ................................................................................................................................................... 31
13. Warranty ............................................................................................................................................................ 37