
Table of contents
12 | SNU 5 Plus | AU | GB | 1 kW www.stiebel-eltron.com
1 Special information................................................... 13
2 General information.................................................. 13
2.1 Symbols in this document ................................ 13
2.2 Test mark......................................................... 13
2.3 Units of measurement ...................................... 13
3 Safety........................................................................ 13
3.1 Structure of the warning notices.......................13
3.2 Intended use .................................................... 14
3.3 Safety instructions............................................ 14
4 Appliance description................................................ 14
4.1 Function........................................................... 14
4.2 Standard delivery ............................................. 14
4.3 Required accessories........................................ 14
5 Installation (qualified contractors)............................. 14
5.1 Installation site................................................. 14
5.2 Appliance installation....................................... 15
5.3 Water connection ............................................. 15
6 Commissioning (qualified contractors) ...................... 15
6.1 Filling the appliance with water ....................... 15
6.2 Electrical connection ........................................ 16
6.3 Setting a permanent temperature limit............. 16
7 Operation.................................................................. 16
8 Cleaning ................................................................... 16
9 Maintenance (qualified contractors) .......................... 16
9.1 Draining the appliance..................................... 17
9.2 Opening the appliance ..................................... 17
9.3 Descaling the appliance ................................... 17
9.4 Cleaning/replacing the strainer ........................ 17
9.5 Checking the earth conductor (DGUV V3) .......... 17
9.6 Replacing the connecting cable ........................ 17
9.7 Positioning the temperature sensor in its pro-
tective pipe....................................................... 17
10 Troubleshooting (users) ............................................ 17
11 Troubleshooting (installers)....................................... 18
12 Shutting down the system ......................................... 18
13 Specification ............................................................. 18
13.1 Dimensions and connections ............................ 18
13.2 Wiring diagram................................................ 18
13.3 Heat-up diagram.............................................. 19
13.4 Energy consumption data................................. 19
13.5 Data table ........................................................ 19
14 Guarantee................................................................. 19
15 Environment and recycling........................................ 20