The information centre (LCD)
This display unit provides information on the current operating status of the heating system. Flashing symbols prompt parameter
entry or indicate a special operating condition and are designated with the symbol
in the following text.
means factory
setting of the controller.
Heating modes
If no "upper" clock symbol
is shown in conjunction with the
display of the current operating mode, this indicates either con-
tinuous operating of heating circuit 1 or timer-controlled opera-
tion.
When 2 heating circuits are configured, the operating mode of
the second heating circuit will be indicated by a flashing symbol
if different from the operating mode of the first heating circuit.
The "upper" clock symbol
is only displayed for heating
circuit 1.
Operating modes for domestic hot water
If no "lower" clock symbol
is shown in conjunction with the
display of the current operating mode, this indicates either con-
tinuous operation
of the domestic-hot-water system or timer-
controlled operation.
1
2
3
2
0
I
2
2
2
LIM
OPT
2
SET
PRO
PAR
SERV
m /h
3
d
°C
B01494
. . .
(
upper)
Heating operation controlled by weekly program
(
upper)
Heating operation controlled by annual program
Heating operation controlled by timer (without upper clock symbol)
Normal operation
Reduced operation
Off mode
(
lower) Domestic-hot-water operation controlled by weekly program
(
lower) Domestic-hot-water operation controlled by annual program
Domestic-hot-water operation controlled by timer control (without lower clock symbol)
Domestic-hot-water heating disabled
Domestic-hot-water heating enabled (setpoint 1)
Domestic-hot-water heating enabled (setpoint 2)
Heating
Domestic hot water
R
–
4
–
7 000458 003
