Operation
Operating instructions ecoTEC pro 0020129673_00 11
5
5 Operation
5.1 Putting the boiler into service.
5.1.1 Opening/closing the isolator devices
i
If the boiler is fitted with a bottom cover, the iso-
lating devices are under this cover.
90°
4
3
1
2
5.1 Opening the shut-off valves
The isolator devices are open if the slot for the screwdriver
is parallel to the pipes.
> Open the gas isolator cock (3).
> Check that the heating flow (4) and heating return (1)
isolator devices are open. Open these if they are closed.
> Open the cold water stop valve (2).
> In order to check this, open a hot water tap at a draw-off
point and check that water flows out.
Closing isolator devices
The isolator devices are closed if the slot for the screw-
driver is at a right-angle to the pipes.
5.1.2 Switching on the boiler
b
Caution!
Risk of damage caused by frost.
Frost protection and monitoring devices are
only active while the boiler is connected up
to the power supply and your boiler is
switched on using the on/off switch.
> Do not isolate the boiler from the power
mains.
> Leave your boiler switched on at the on/
off switch.
To ensure that the frost protection and monitoring devices
remain active, switch your boiler on and off using the con-
troller (see the corresponding operating instructions for
more information on this).
¬Section10 describes how to fully shut down your boiler.
50
1
2
5.2 Switching on the boiler
> Press the on/off switch (1) to switch on the boiler.
If the boiler is switched on, the current heating flow tem-
perature and other information will appear in the display
(2) (¬ Fig.4.4 ).
To set your boiler to suit your needs, read Section 5.2 and
Section 5.3 which describe the setting options for domes-
tic hot water generation and the heating mode.
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