User manual
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24. Teach-out / Reset (rES)
The MAX! Wall Thermostat can be reset to the initial sta-
te manually. Restoring the initial state deletes all settings
and information about taught-in devices.
• Press the Menu button for more than 3 seconds.
• Select the “rES” menu item with the (+) and (-)
buttons.
• ConrmthesettingwiththeOKbutton.
• Thedisplaywillshow“ACC”,conrmrestoredfac-
tory settings with the OK button.
If a room control unit is taught-in to the MAX! LAN Gateway
thecongurationmenuonthedevicewillbelocked.You
can still restore the factory settings: while inserting batteries
into the device press the reduced temperature (
) and OK
buttons simultaneously.
25. Child-proof lock / operating lock (
)
Operation of the device can be locked to avoid unintended
changes through involuntary touch.
To (de)activate the ope-
rating lock proceed as follows:
• BrieypresstheModeandtheOKbuttonsimulta-
neously.
• Once activated, the operating lock symbol
( ) is
shown on the display.