Viessmann VITODENS 200-W WB2B Series Start-Up/Service Instructions page 66

Additional Information
Control Functions
Reducing the heat-up time
Remote control (Vitotrol 300) DIP switch settings
Refer to Operating Instructions
Vitotrol 300 Remote Control
66
(continued)
During the transition from operation with reduced room temperature to
operation with standard room temperature, the boiler water or supply
temperature will be raised in accordance with the selected heating curve. The
boiler water or supply temperature can be automatically increased. The value and
duration of the additional increase of the set boiler water temperature or supply
temperature can be adjusted in coding addresses "FA" and "Fb".
C
60
B
50
40
30 30
20
10
0
Time in hr.
Fig. 28 Example (using factory default settings)
A Start of operation with standard room
temperature
B Boiler water / supply temperature
based on selected heating curve
C Boiler water / supply temperature
based on coding address "FA":
50°C + 20 % = 60°C
D Duration of operation with raised
boiler water / supply temperature
based on coding address "Fb": 60 min.
The DIP switches are located on the PCB in the top part of the housing.
Remote control
The remote control affects the heating
circuit without mixing valve (A1)
The remote control affects the heating
circuit with mixing valve (M2)
When connecting a separate room
temperature sensor, set DIP switch "3"
to "ON".
D
A
00 00 00
6 7 8
00
9
DIP switch setting
ON
1 2 3 4
ON
2 3 4
1
ON
2 3 4
1