Viessmann VITOTRONIC 100 GC1B Installation And Service Instructions Manual page 77

Vitotronic 100, GC1B Installation and Service
Matching the Coding Addresses to the System Version
Matching the Control Unit to the Two-stage Burner
Matching coding addresses according to the burner used
Address
03:__
08:__
09:__
0A:__
Matching the Control Unit to the Modulating Burner
Note: The burner must be fully adjusted. To achieve a
wide modulating range, set the minimum output as
low as possible (take the chimney and flue system
into account).
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
15:__ Modulation range runtime
0A:__ Ratio of output base load to maximum
burner output in percent
05:__
Ratio of partial output at g of the
servomotor runtime to maximum burner
output in percent
Meaning
Fuel
Units and tens of the maximum
burner output
Hundreds of the maximum burner
output
Ratio of output burner stage 1 to
maximum burner output in percent
Setting
Gas operation: 0 (delivered 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.
Calculate servomotor runtime(s) between base load and max.
burner output
Example: Output burner stage 1
135 kW
Max. burner output: 225 kW (135 kW: 225 kW) · 100% = 60%
Example: Partial output 171 kW
Max. burner output: 225 kW (171 kW: 225 kW) · 100% = 76%
Commissioning
(continued)
Setting
Gas operation: 0 (delivered 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: Max. burner output: 225
kW – select: 2
Example: Output burner stage 1
135 kW
Max. burner output: 225 kW
(135 kW: 225 kW) · 100% = 60%
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