Switching On And Off; Switching On The Heating System; Shutting Down The Heating System; Maximum Boiler Temperature For Heating Mode - Buderus Logano GB125 Installation And Maintenance Instructions Manual

9.2

Switching on and off

9.3

Maximum boiler temperature for heating mode

Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
Operating the Logamatic BC10 base controller

9.2.1 Switching on the heating system

B Set the On/Off switch on the base controller to 1.
This switches the entire heating system on. The status display on the base con-
troller lights up and shows the current boiler water temperature in °C.

9.2.2 Shutting down the heating system

B Set the On/Off switch on the base controller to 0 (Off).
RISK TO LIFE
from electricity.
B Isolate the heating system from the mains supply using the
emergency stop switch upstream of the boiler room or by remo-
ving the main fuse.
You may select the upper boiler water temperature limit for heating mode at the
rotary selector for "maximum boiler temperature". This limit will not apply to
DHW heating.
Status
0 Off
1
55 – 90 Direct setting at the BC10
in °C
Aut
Tab. 22 Rotary selector adjustments for "maximum boiler temperature"
1 In conjunction with the RC30 or RC35 programming unit, always select setting "Aut".
2 All programming unit control functions (e.g. heating program, summer/winter changeover) re-
main active.
3 The LED underneath the rotary selector illuminates if the heating system has been switched on
and there is a heat demand. Central heating is switched off in summer mode (LED off).
Explanation
Radiators are not supplied with
heat (only DHW mode).
The temperature is permanently
set at the BC10 and cannot be
changed with a programming
2
unit.
Maximum boiler temperature
2
90 °C
9
LED
Off
3
On
3
On
44