HEYLO DE 10 Bedienungsanleitung Seite 16

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Switching the unit off
1. Set the power switch A to off (turn toggle to "Off").
2. Set room thermostat to below the room temperature.
Safety:

All units have been fitted with a safety temperature switch (E).
If the unit should overheat, this safety element will trigger.
Then the fault light D will be lit red.
After a few minutes, you can release the safety element again.
By all means check the reason for the shutdown, and remove this before starting up again.

The DE 20 S unit has another thermostat which checks the outlet temperature. If the
temperature exceeds 100 deg. C, the thermostat will switch off part of the heating
automatically. When the temperature returns to normal, the full heating output is switched
back on.
At the point of control, this function causes a slight cracking in the unit.
This function protects the connected hot air hose against overheating.
Illustration: Control panel (DE 20 / DE 20S) (exhaust side)
Illustration: Control panel (suction side)
C
D
E
A
F
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B
G
EN