Connecting The Control Unit To The Lon - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance
Adjusting heating curves
Reduced set room temperature
90
A
C
B
D
Fig. 47 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
C Set room temperature in °C
Heating circuit pump "OFF"
D
Heating circuit pump "ON"
E
Changing the reduced set room temperature
Operating instructions
Changing the slope and level
Individually adjustable for each heating circuit.

Connecting the control unit to the LON

The LON communication module must be plugged in.
Note
The data transfer via LON can take several minutes.
Example: Single boiler system with Vitotronic 200-
H and Vitocom 200
Set the LON subscriber numbers and further functions
via code 2 (see the following table).
All coding addresses in the table are listed in the "General" group.
Boiler control unit
LON
Subscriber no. 1
Code "77:1"
Control unit is fault manager.
Code "79:1"
52
(cont.)
-20
E
Vitotronic 200-H
LON
Subscriber no. 10
Code "77:10"
Control unit is not fault man-
ager.
Code "79:0"
90
3.5
A
+20
Outside temperature in °C
Fig. 48
Changing the slope
A
B Changing the level (vertical parallel offset of the
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.
Note
The same subscriber number must not be allocated
twice within the LON.
Only one Vitotronic may be programmed as fault
manager.
Vitotronic 200-H
LON
Subscriber no. 11
Set code "77:11".
Control unit is not fault man-
ager.
Code "79:0"
1.4
B
0.2
-20
Vitocom
Subscriber no. 99
Device is fault man-
ager.