Wolf R33/4 DigiComfort (Theta) Wiring Diagram, Installation And Short Operating Instructions page 8

Standards / Regulations
Installation space /
initial start-up
Warning
Maintenance / repair
8
- According to DIN EN 50110-1, only qualified electricians may install and
commission the heating control units and connected accessories.
Observe:
- All local stipulations by your electricity supplier as well as local wiring
regulations.
- DIN VDE 0100 regulations regarding the installation of high voltage systems
up to 1000V.
- DIN VDE 0105-100 operation of electrical systems.
- DIN EN 50165-1 electrical equipment for non-electrical devices for domestic
use and similar purposes.
- EN 60335-1 safety equipment of electrical devices for domestic use and
similar purposes.
- Never remove, bypass or disable safety and monitoring equipment.
- Only operate the system in perfect technical condition. Immediately remove/
remedy any faults and damage which may have an impact on safety.
- Always ensure that cold water is mixed in with hot water, when the DHW
temperature is set above 60 °C or when pasteurising the system to protect
against legionnaires' bacteria (risk of scalding).
- Regularly check the perfect function of all electrical equipment.
- Only qualified personnel may remove faults or repair damage.
- Only replace faulty components or equipment with original WOLF spare
parts.
- Always maintain prescribed electrical protection values (see specification).
Any damage or loss resulting from technical modifications to Wolf control units
NB
are excluded from our warranty.