Operating instructions

2. d to select heating circuit A1
(heating circuit without
mixer)
or
3. a "2r" flashes.
4. d to select heating circuit
with mixer M2.
5. E Call up the set night tem-
perature.
6. a/b Change the value.
7. d Confirm the value.
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
The data transfer via LON can take
several minutes.
Single boiler system with Vitotronic 200-H and Vitocom 300
Set up the LON subscriber numbers
and further functions via code 2 (see
the following table).
Note
In the same LON system, the same
number cannot be allocated twice.
Only one Vitotronic may be programmed as fault manager.
Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom
Subscriber no. 1
Code "77:1"
Subscriber no. 10
Code "77:10"
Subscriber no. 11
Set code "77:11"
Subscriber
no. 99
Control unit is fault
manager
Code "79:1"
Control unit is not
fault manager
Code "79:0"
Control unit is not
fault manager
Code "79:0"
Device is fault
manager
Control unit trans-
mits the time
Code "7b:1"
Control unit re-
ceives the time
Set code "81:3"
Control unit re-
ceives the time
Set code "81:3"
Device re-
ceives the
time
Further details regarding the individual steps (cont.)
32
Commissioning, inspection, maintenance
5692 672 GB