SDC / DHC Contents
EN2H-0221GE51 R0808 3
Contents
1 Software version..........................................................................................................11
2 Safety instructions.......................................................................................................11
2.1 Intended use .....................................................................................................11
2.2 Requirements for start-up..................................................................................11
2.2.1 Power supply........................................................................................12
2.2.2 Connection conditions ..........................................................................12
2.2.3 Cable cross-sections ............................................................................12
2.2.4 Maximum cable lengths........................................................................12
2.2.5 Cable installation ..................................................................................12
2.2.6 Grounding and zeroing .........................................................................13
2.3 Hot-water temperature greater than 60 °C ........................................................13
2.4 Connection of accessory parts..........................................................................14
2.5 Maintenance and cleaning ................................................................................14
2.6 Safety precautions for EMC-compliant installation ............................................15
3 Overview.......................................................................................................................20
4 Abbreviations...............................................................................................................21
5 Operation......................................................................................................................22
5.1 Display and operating elements ........................................................................22
5.1.1 Display (basic display)..........................................................................23
5.1.2 Operating elements ..............................................................................24
5.1.2.1 Input button (press / turn)........................................................24
5.1.2.2 "Daytime room temperature" button........................................24
5.1.2.3 "Night-time room temperature" button.....................................25
5.1.2.4 "Daytime hot-water temperature" button .................................25
5.1.2.5 "Operating mode" button (basic display) .................................26
5.1.2.6 "Switching time programs / Holiday programs" button ............33
5.1.2.7 "System information" button....................................................35
5.1.2.8 "Manual mode" / "Emission measurement" button..................44