6 720 610 296-23.2O
6 720 610 333-05.1O
6 720 610 828 RO (02.01)
6 720 610 333-04.1O
20°C
5
25
15
30
10
B Turn the main switch to position (I).
Fig. 16
B Turn the main switch to position (0).
When the burner is running, the red LED lights up.
B Turn the heating circuit thermostat knob to a desired
flow temperature value:
- low flow temperature: position E (approx. 75 ° C)
B The automatic deaerator (27.1) opens and
B Check that the type of gas indicated on the boiler label
corresponds to the one that supplies the appliance.
After starting, it will be displayed on the
display for approx. 10 s P1, P2 or P3 .
Danger: electric shock!
B Open the gas valve (172).
B Set the room thermostat (TR ..) to the desired
temperature.
B Always switch off the voltage
(fuses, LS switch) before
working on the electrical components.
17
Putting into service
B Refill the system to a pressure of
The green control LED lights up and the display will
show the flow temperature of the heating circuit.
The green LED goes out, the programmer clock will
switch to power from its internal battery.
B Ventilate the radiators.
1-2 bar.
Fig. 17
Fig. 18
- flow temperature up to 90ÿC: max
Switching
stop
the manual deaerator on the expansion vessel (27.2),
which corresponds to the heating circuit and closes
again after venting.
(see page 19, “Canceling low flow
temperatures”).
i
5.2 Switching the boiler on / off
5.4 Temperature regulation
5.3 Switching on the heating
Machine Translated by Google
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