Operating instructions
Coding in
the as
delivered
condition
Address:
value
Function mode Coding
change
Address:
value
Possible change
91:0
*
1
No external operating
mode changeover via
external extension
91:1 External heating program
changeover applies to
heating ci rcuit with out
mixer
91:2 External heating program
changeover applies to
heating ci rcuit with m ixer
91:3 External heating program
changeover applies to
heating ci rcuit with out
mixer and heating circuit
with mixer
95:0 Without Vitocom 100
communication inter-
face
95:1 With Vitocom 100 com-
munication inter face;
automatic recognition
97:0
*
1
The outside temper a-
ture of the sensor con-
nected to the control
unit is utilised internally
97:1 Outside temperature is
adopted by the LON BUS
97:2 The outside temperature
of the sensor conn ected
to the control unit will be
utilised internally and
transmitted via LON BUS
to any connected Vitotro-
nic 050.
98:1 Viessmann system
numbers (in con junction
with monitoring of sev-
eral systems v ia Vito-
com 300)
98:1
to
98:5
System number ad justa-
ble from 1 to 5
9b:0 No minimum set boiler
water temperature in
case of external
demand
9b:1
to
9b:127
Set temperat ure adjusta-
blefrom1to127°C
Code 2 (cont.)
51
Coding
5692 548 GB
*1
Only for weather-compensated control unit.










