Connecting The Control Unit To The Lon - Viessmann VITODENS 200-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Adjusting the heating curves (only for...
90
3.5
A
+20
Outside temperature in °C
Fig.43
Changing the slope
A
B Changing the level (vertical parallel offset of the
heating curve)

Connecting the control unit to the LON

The LON communication module must be plugged in
(if installed as an accessory, see the LON communica-
tion module installation instructions).
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"
Control unit transmits the
time.
Code "7b:1"
Control unit sends outside
temperature.
Set code "97:2".
48
1.4
B
0.2
-20
Vitotronic 200-H
LON
Subscriber no. 10
Code "77:10"
Control unit is not fault man-
ager.
Code "79:0"
Control unit receives the
time.
Set code "81:3".
Control unit receives outside
temperature.
Set code "97:1".
(cont.)
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"
Control unit receives the
time.
Set code "81:3".
Control unit receives outside
temperature.
Set code "97:1".
Vitocom
Subscriber no. 99
Device is fault man-
ager.
Device receives the
time.
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