
76
Control and display elements
°C
+
OK
Mo
Boiler water temperature
A
Fault indicator (red)
B
ON indicator (green)
C
Optolink interface
only in conjunction with the diagnos-
tic adaptor (accessory) and Vitosoft
(accessory)
D
User interface
E
Reset button
F
ON/OFF switch
G
Rotary selector for standard room
temperature
Keys at the user interface:
A
Central heating time program
B
DHW heating and DHW circu-
lation pump time programs (if
connected to the control unit)
H
Holiday program
D
Time / Date
E
Reduced room temperature
F
Set DHW temperature
O
+
F
Emissions test function
K
Standby mode
L
Only DHW
G
Heating and DHW
M
Party mode
N
Economy mode
b
/
a
Setting values
d
Confirmation
c
Information
e
Standard setting (Reset)
Function description
Control unit
5692 774 GB