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19Operating manual for the auroMATIC 620 0020094404_00 Controller
4 Start-up
4.1 Initial commissioning by the heating engineer
The assembly, electrical connection and the configura-
tion of the entire heating installation, as well as the ini-
tial commissioning, must be carried out only by a sui-
tably qualified heating engineer.
4.2 Instruction by the expert technician
Make sure that you are instructed by the expert tech-
nician in the operation of the controller and the
entire heating installation, and that the appropriate
manuals and documents accompanying the product
are given to you.
4.3 Switching the controller On/Off
b
Caution!
Material damage caused by frost!
The frost protection function is only active
when the controller is switched on.
Never switch the controller off when there
is a risk of frost.
Set the main switch on the controller to
the "I" position.
i
If the external sensor of your heating installa-
tion is unable to receive a DCF signal, you will
have to set the time and date manually after
switching on the controller.
Make sure that the time and date are set correctly so
that the preset timer programmes and holiday pro-
gramme will work correctly and the next servicing
appointment can be monitored.
Leave the controller switched on so that you can
keep the system status of the heating installation in
view at all times and can quickly be made aware of
any malfunctions.
Make use of the holiday programme (¬ Chap. 5.7) to
save energy costs during your absence.
>
>
>
>
>
>
1
Fig. 4.1 Switching the controller On/Off
Key
1 Rocker switch
Press the rocker switch (1) to switch the controller
on/off.
>
Start-up 4
21


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