Matching The Coding Addresses To The System Version - Viessmann VITOTRONIC300 Installation And Service Instructions Manual

Vitotronic 300, GW2B Installation and Service

Matching the Coding Addresses to the System Version

Check all addresses in Code 1 and adjust if required.
"0C"
"0d"
"4C"
"4d"
"4E"
"98"
"9C"
Matching the control unit to a two-stage burner
Matching coding addresses according to the burner used
Address Meaning
03:... Fuel
08:... Units and tens of the maximum burner
output
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
Group
"Boiler"
"Boiler"
"General"
"General"
"General"
"General"
"General"
Setting
Gas operation: 0 (factory set condition)
Oil operation: 1 (irreversible)
Example: Max. burner output:
225 kW – select: 25
Note: Values up to and including 199 kW can be entered directly.
Example: Output burner stage 1
135 kW
Max. burner output: 225 kW
(135 kW : 225 kW) · 100% = 60%
Check the following coding addresses and adjust
accordingly in Code 2:
Function
Return temperature control
Therm-Control
Function plug sÖ
Function plug sL
Function plug gS
Viessmann system number
Monitoring LON participants
Commissioning
57