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5693 982 - 04
Vitotronic 300, GW2B Installation and Service
Matching the Coding Addresses to the System Version
Check the following coding addresses and adjust
accordingly in Code 2:
Commissioning
Matching coding addresses according to the burner used
Address Meaning
Setting
03:...
Fuel
Gas operation: 0 (factory set condition)
Oil operation: 1 (irreversible)
08:...
Units and tens of the maximum burner
output
Example: Max. burner output:
225 kW – select: 25
Note:
Values up to and including 199 kW can be entered directly.
09:...
Hundreds of the maximum burner output Example: Max. burner output: 225 kW – select: 2
0A:...
Ratio of output base load to maximum
burner output in percent
Example: Output burner stage 1
135 kW
Max. burner output: 225 kW
(135 kW : 225 kW) · 100% = 60%
Group
Function
“0C”
“Boiler”
Return temperature control
“0d”
“Boiler”
Therm-Control
“4C”
“General”
Function plug
sÖ
“4d”
“General”
Function plug
sL
“4E”
“General”
Function plug
gS
“98”
“General”
Viessmann system number
“9C”
“General”
Monitoring LON participants
Matching the control unit to a two-stage burner
Check all addresses in Code 1 and adjust if required.
