Specifications

26 http://www.buderus-domestic.co.uk
Notes
11 Taking the system out of service
z Push the mains power switch (fig. 5, item 1) to “0”.
z Close the gas service valve by turning it clockwise (fig. 8,
item 1).
Frost protection
The boiler has an automatic frost protection. When the CH
flow temperature drops below 7 °C then the boiler will start up.
fig. 8 Gas service valve
2
1
1: Gas valve closed 2: Gas valve open