14
Operating the Appliance
6 720 610 598 GB (03.11)
3.2
Switching the Appliance On/Off
Switching on
B
Switch on the appliance at the master switch (
I
).
The indicator lamp shows green and the display will show the
central heating flow temperature, when the appliance is oper-
ating in the central heating mode.
Fig. 4
The trap filling programme ensures that the condensation trap is
filled after the appliance has been installed or after the appliance
has been out of use for a long period. For that reason, the appli-
ance remains at minimum heating output for 15 minutes.
Switching off
B
Switch off the appliance at the master switch (
0
).
The green indicator lamp goes out. The optional timer will con-
tinue running until the emergency supply is exhausted.
i
If the display alternates between
-II-
and the cen-
tral heating flow temperature, the trap filling pro-
gramme is active.
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