3
Operating the base controller
Base controller BC10 - Subject to technical modifications.
6
3.2
Switching ON and OFF
B
To switch ON, set the ON/OFF switch [1] to “1”.
This switches ON the entire heating system. The status
display on the base controller illuminates and shows
the current boiler water temperature in °C.
B
To switch OFF, set the ON/OFF switch [1] to “0”.
Fig. 2
Switching the base controller ON and OFF
3.3
Selecting the maximum boiler water
temperature for heating mode
At the “maximum boiler water temperature” rotary
selector [1], you can set the upper limit temperature for
the boiler water in heating mode. This limit will not apply
to DHW heating.
Fig. 3
Rotary selector for maximum boiler water
temperature in heating mode
DANGER:
Risk to life from electric shock!
B
If a risk becomes apparent, isolate all
poles of the heating system or isolate it
from the power supply via circuit breaker/
fuse.
Explanation
0
Heating operation is switched OFF (poss. only
DHW operation).
30 – 90
1)
1) In conjunction with the RC3x programming unit, always select
“Aut”.
The temperature is set permanently at the BC10
and cannot be changed at the programming unit.
2)
2) All programming unit control functions (e.g. heating program,
summer/winter changeover) remain enabled.
Aut
The temperature is established automatically with a
programming unit (e.g. RC3x) using the heating
curve. If no programming unit is connected, the
maximum boiler water temperature is 90 °C.
Tab. 2
Settings at the “maximum boiler water
temperature” rotary selector
If central heating is switched on and heat is
demanded, then the LED below the rotary
selector illuminates.
