Rotate the control knob to choose the desired symbol "Show
X
temperature".
Press the control knob to choose between "On" and "Off".
X
This setting is taken over without confirmation.
7.12 Undervoltage shutdown
If this option is activated, the supply voltage is continuously
checked during heating/ventilation mode and, if the configured
value is undershot for more than 5 seconds, the heater is shut
down. The heater can only be switched back on when the voltage
is stable above the configured value. Failure to reach the necessary
value is indicated in the status bar by means of a battery symbol.
"Service" symbol has been selected in the main menu.
"Quick start" symbol is shown in the display.
Rotate the control knob in order to choose the desired symbol
X
"Undervoltage shutdown".
If undervoltage shutdown is active, the display shows the preset
value. If it is deactivated, "Off" is shown.
Press the control knob in order to confirm selection.
X
Rotate the control knob to set the value or deactivate
X
the function (Off).
Press the control knob in order to confirm selection.
X
7.13 Max active timers
Only one timer can be activated as standard. Using this option,
you can increase the number of times that can be activated
simultaneously to as many as 21.
Please note the legal requirements, in particular that only one
activated timer is permitted for passenger cars.
"Service" symbol has been selected in the main menu.
"Quick start" symbol is shown in the display.
Rotate the control knob in order to choose the desired symbol
X
"Max active timers".
The preset value (number of timers) is shown.
Press the control knob in order to confirm selection.
X
Rotate the control knob to set the value.
X
Press the control knob in order to confirm selection.
X
MultiControl | SmartControl
7.14 Unlock heater
CAUTION
Possible risk of fire
Burn injuries
Rectify cause of error.
X
The heater may only be unlocked by trained
X
technicians.
ATTENTION
Risk of damage to the heater
Rectify cause of error.
X
The heater may only be unlocked by trained
X
technicians.
Bring up the Service menu.
X
Rotate the control knob clockwise.
X
Select the "Unlock heater" menu element.
X
Press the control knob on "Unlock heater".
X
Rotate the control knob and select "Unlock heater OK" or
X
"Back" (cancel).
Press the control knob. Fault codes in the heater will be deleted.
X
7.15 Basic configuration
In the event of a reset, all settings are restored to basic configura-
tion except weekday and time. Following the reset, proceed as for
installation and initial start-up.
"Quick start" symbol is shown in the display.
Rotate the control knob in order to choose the desired symbol
X
"Factory reset".
Press the control knob in order to confirm selection.
X
"OK" is shown in the display.
Press the control knob in order to confirm selection.
Then the restart is performed.
11
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