Duronic HV220 Manuel D'utilisation page 13

4. Then switch the heater ON by selecting
as below:
[I] Heating power setting I
[ || ] Heating power setting ||
[|]1000W
[II] 2000W
5. Anti-Frost Function
This function will keep the surrounding
temperature above freezing point. To do
this, simply plug in the power cord, and
turn the Temperature control Knob to
the "Snowflake" position.
6. Covering Sensors
Even though a warning label "DO NOT
COVER" has been placed on the unit,
some users may accidentally cover the
unit with a towel or blanket etc. Therefore,
a safety device known has been installed
within the heater to protect against
overheating. If the unit overheats, the
power will be cut off. When the unit
temperature falls again, power will be
resumed.
7. Tip over protection
If the heater is accidentally knocked over,
it will switch off automatically .
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