Viessmann VITOPEND 200 Installation And Service Instructions Manual page 97

Constant temperature control unit
Controls and display elements
A Pressure gauge
B Fault indicator (red)
C ON indicator (green)
D Reset button
Heating mode
The set boiler water temperature will
be maintained in the heating and
DHW "G" program when a demand
is raised by the room thermostat.
The boiler water temperature will be
maintained at the default frost protec-
tion temperature when there is no
demand.
Function description
E Control panel:
O
Set boiler water tem-
perature
F
Set DHW temperature
O+F Emissions test function
K
Standby mode
L
DHW only
G
Heating and DHW
/
Comfort mode
b/a
Setting values
d
Confirmation
c
Information
e
Standard setting (Reset)
F ON/OFF switch
The boiler water temperature will be
limited:
&
to 76 °C by the thermostat inside the
burner control unit.
&
to 84 °C by the electronic tempera-
ture limiter inside the burner control
unit (during DHW heating to 85 °C).
&
to 100 °C by the temperature limiter
in the safety chain (interlocks the
burner control unit).
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