Taking The System Out Of Service; Frost Protection - Buderus 500 - 24/C User Manual

11

Taking the system out of service

11 Taking the system out of service
Push the mains power switch (fig. 5, item 1) to "0".
Close the gas service valve by turning it clockwise (fig. 8,
item 1).
1: Gas valve closed
fig. 8 Gas service valve

Frost protection

The boiler has an automatic frost protection. When the CH
flow temperature drops below 7 °C then the boiler will start up.
24
1
2
2: Gas valve open
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drain