eQ-3 MAX! Bedienungsanleitung Seite 85

the entry of a four-digit code. When the advanced opera-
ting lock is activated on the MAX! Radiator Thermostat + ,
the device switches to auto mode automatically and ope-
ration is reduced to adjusting the temperature using the
handwheel and/or the comfort (
ture buttons ( ). The adjustable temperature range is also
restricted. The minimum and maximum temperature upper
limits are between 5.0°C and 24.0°C. In the initial state, the
advanced operating lock is deactivated.
Activating the operating lock:
• Press and hold down the Auto/Manu button for more than
3 seconds. Use the handwheel to select „Loc" from the
menu and press the Boost button to confirm.
• Next, enter the default four-digit code 1357. Use the hand-
wheel to select each digit one after the other. Once you
have selected the correct digit, press the Boost button to
confirm. The cursor moves to the next digit automatically.
• After you have selected the correct code, „ON" or „OFF"
is displayed. Use the handwheel to select the required
state. „On" means that the advanced operating lock is
activated. „OFF" deactivates the operating lock. Select
„ON" and press the Boost button to confirm.
• The advanced operating lock is now activated and the
-symbol is displayed.
• If you enter an incorrect code, the display switches back
to normal immediately.
Deactivating the operating lock:
• If the -symbol is displayed, the advanced operating
lock is activated.
• To deactivate, press and hold down the Auto/Menu but-
ton for more than 3 seconds.
• Enter the default four-digit code. Use the handwheel to
) and set-back tempera-
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