91
Control and display elements
0
1
2
3
4
0
+
OK
i
º
C
RESET
A
G
E
F
B
D
C
A
Pressure gauge
B
Fault indicator (red)
C
Optolink interface
only in conjunction with the diagnos-
tic adaptor (accessory) and Vitosoft
(accessory)
D
ON indicator (green)
E
Reset button
F
User interface
G
ON
/
OFF switch
Keys at the user interface:
O
Set boiler water temperature
F
Set DHW temperature
O
+
F
Emissions test function
K
Standby mode
L
DHW only
G
Heating and DHW
/
No function
b
/
a
Setting values
d
Confirmation
c
Information
e
Standard settings (Reset)
Heating operation
The selected set boiler water tempera-
ture will be maintained when a demand
is being raised by the room thermostat
and the heating program is set to DHW
and central heating "
G
".
The boiler water temperature will be
maintained at the default frost protection
temperature when there is no demand.
The electronic temperature limiter inside
the burner control unit limits the boiler
water temperature to 82
°
C.
Flow temperature setting range: 40 to
74
°
C.
Function description
Constant temperature control unit
5692 760 GB
Summary of Contents for VITOCONTROL-S, WB2B
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