Connecting The Control Unit To The Lon - Viessmann FB2A Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance
Further details regarding the individual steps
Reduced room temperature
90
A
C
D
Example 2: Adjustment of the reduced
room temperature from 5 °C to 14 °C
A Boiler water temperature or flow
temperature in °C
B Outside temperature in °C

Connecting the control unit to the LON

The LON communication module
(accessories) must be plugged in.
Installation instructions
LON communication module
Note
The data transfer via LON can take sev-
eral minutes.
Single boiler system with
Vitotronic 200-H and Vitocom 300
(example)
Set the LON subscriber numbers and
further functions via code 2 (see the fol-
lowing table).
56
-20
B
E
(cont.)
C Set room temperature in °C
D Heating circuit pump "OFF"
E Heating circuit pump "ON"
Adjustment of the reduced room tem-
perature:
Operating instructions
Note
In the same LON system, the same num-
ber cannot be allocated twice.
Only one Vitotronic may be program-
med as fault manager.