HTW VAW -AT-O-100VAWE Manuel De L'utilisateur Et D'installation page 64

OPERATION THE UNIT
User interface and operation
Electrical heater
'ON'/'OFF' button
Unit 'ON'/'OFF' button
UP adjust button
Operations
Power 'ON'
1)
When turning 'ON' the power, whole icons are displayed on the controller screen for 3 seconds.
After checking if everything is ok, the unit enters into the standby mode.
2. button
Press this button and keep for 2 seconds when the unit is standby, the unit can be turned'ON'.
Press this button and keep for 2 seconds when the unit is running, the unit can be turned 'OFF'.
Short press this button to entry or exit the parameter setting or checking.
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Set button
Clock/Timer setting button
DOWN adjust button