Gewiss GW 20 827 Mode D'emploi page 42

INSTALLATION INSTRUCTIONS
Reset and restore the preset values
Pressing the 4 keys simultaneously with mains power present performs a complete reset of the
timer-thermostat.
N.B.: all parameters set and personalized programs will be cancelled.
When the timer-thermostat is switched on again, it uses the parameters and programs
preset in the factory. The timer-thermostat goes into heating in OFF mode.
The Party and Holiday functions are not active.
Assembly
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