Viessmann VITOPEND 200 Installation And Service Instructions Manual page 46

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Reduced room temperature
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
C Set room temperature in °C
D Heating circuit pump "OFF"
E Heating circuit pump "ON"
Connecting the control unit to the LON system (only for
weather‐compensated control units)
The LON communication module (accessories) must be plugged in.
Installation instructions
LON communication module
Note
Data transfer via the LON system can take 2 to 3 minutes.
Setting up LON user numbers
Select the user number via coding
address "77" (see the following table).
46
(cont.)
Press the following keys:
1. a
"1r" flashes in the dis-
play
2. d
to select heating circuit A1
(heating circuit without
mixer)
or
3. a
"2r" flashes in the dis-
play
4. d
to select heating circuit M2
(heating circuit with mixer)
5. E
Calling up the set night
temperature
6. a/b Change the value
7. d
Confirm the value
In a LON system, the same number
cannot be allocated twice.