1. Introduction ...............................................................................................................................................................4
1.1 Product Compliance ......................................................................................................................................................................4
1.2 Safety Informations .......................................................................................................................................................................4
2. Product Overview .......................................................................................................................................................5
2.2 Package content ............................................................................................................................................................................7
2.3 Proper thermostat location ...........................................................................................................................................................7
2.4 Connection description ..................................................................................................................................................................8
I A - Boiler connection ..........................................................................................................................................................8
I B - Pump / Valve connection ...............................................................................................................................................8
3.1 LCD icon description ......................................................................................................................................................................9
3.2 Button description .........................................................................................................................................................................9
4. Operating .................................................................................................................................................................11
4.3 Temporary override mode ...........................................................................................................................................................13
4.4 OFF mode ....................................................................................................................................................................................13
4.5 Language ....................................................................................................................................................................................14
4.6 Advanced settings .......................................................................................................................................................................15
4.6.3 PIN Code .....................................................................................................................................................................16
4.6.4 Service alert ...............................................................................................................................................................17
4.6.5 Optimum Start ...........................................................................................................................................................18
4.6.6 Optimum Stop ...........................................................................................................................................................18
4.6.11 Control algorithm .....................................................................................................................................................20
4.7 Holiday mode ..............................................................................................................................................................................21
4.8 Time/Date ...................................................................................................................................................................................22
4.10 Operating mode ........................................................................................................................................................................24
5. Factory Reset ............................................................................................................................................................25
6. Error codes ...............................................................................................................................................................26
7. Cleaning and Maintenance ........................................................................................................................................27
8. Technical Informations ..............................................................................................................................................27
9. Warranty ..................................................................................................................................................................28
TABLE OF CONTENTS