Installation shutdown, Frost protection, 4 installation shutdown – DE DIETRICH AD281 User Manual
Page 22: 5 frost protection
3.4
Installation shutdown
CAUTION
Do not switch off the mains supply to the appliance. If the
central heating system is not used for a long period, we
recommend activating the HOLIDAYS mode (to ensure
the anti-grip of the heating pump).
3.5
Frost protection
CAUTION
4
The antifreeze protection does not function if the
appliance is switched off.
4
To protect the installation, set the appliance to
HOLIDAYS
mode.
The HOLIDAYS mode protects:
4
The installation if the outside temperature is lower than 3°C
(factory setting).
4
The room temperature if a remote control is connected and the
room temperature is lower than 6 °C (factory setting).
4
The domestic hot water tank if the tank temperature is lower
than 4 °C (the water is reheated to 10 °C).
To configure the holidays mode: ¼ See chapter: "Selecting the
3. Operating the appliance
VM iSystem
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17/11/2011 - 300028026-001-A