Connecting The Control Unit To The Lon - Viessmann Vitocrossal 100 Series Service Instructions For Contractors

Adjusting heating curves
Standard set room temperature
90
A
C
B
D
Fig. 22 Example 1: Adjustment of the standard set
room temperature from 20 to 26 °C
Boiler water temperature or flow temperature in °C
A
Outside temperature in °C
B
C Set room temperature in °C
Heating circuit pump "OFF"
D
Heating circuit pump "ON"
E
Changing the standard set room temperature
Operating instructions
Reduced set room temperature
90
A
C
B
D
Fig. 23 Example 2: Adjustment of the reduced set
room temperature from 5 °C to 14 °C
Boiler water temperature or flow temperature in °C
A
Outside temperature in °C
B
Set room temperature in °C
C
D Heating circuit pump "OFF"
Heating circuit pump "ON"
E

Connecting the control unit to the LON

The LON communication module must be plugged in.
Note
Data transfer via LON can take several minutes.
(cont.)
-20
E
-20
E
Commissioning, inspection, maintenance
Changing the reduced set room temperature
Operating instructions
Changing the slope and level
Individually adjustable for each heating circuit.
90
3.5
A
+20
Outside temperature in °C
Fig. 24
A Changing the slope
Changing the level (vertical parallel offset of the
B
heating curve)
Extended menu:
1.
å
2. "Heating"
3. Select heating circuit.
4. "Heating curve"
5. "Slope" or "Level"
6. Select heating curve according to the system
requirements.
Example: Single boiler system with
Vitotronic 200-H
Set LON subscriber numbers and further functions via
code 2 (see the following table)
1.4
B
0.2
-20
29