Frost protection function
The controller is equipped with a frost protection func-
tion (depends on the outside temperature). he frost
protection function ensures that the heating installation
is protected from frost in the
Off
and
Eco
modes (out-
side the time slots).
If the
Eco
mode is set and the frost protection function
(dependent on the outside temperature) is not activa-
ted, then the heating circuit will be switched off during
the set-back period.
The preset (night) set-back temperature is applied auto-
matically for each heating circuit if the outside
temperature falls below +3 °C.
13
Installation Instructions VRC 630 0020095108_00
Equipment and functional description 3
Содержание VRC 630
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