Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual page 120

Additional information
Coding 2
(continued)
Overview of all codings (continued)
Coding as per Function
factory setting
Address: Value
1b: 60
Burner
1C:120
Burner
1F: 0
Boiler
21: 0
Boiler/
burner
23: 0
Boiler/
burner
24: 0
Boiler/
burner
26: 0
Boiler/
burner
(2-stage)
27: 0
Boiler/
burner
(2-stage)
28: 0
Boiler/
burner
29: 0
Boiler/
burner
(2-stage)
2A: 0
Boiler/
burner
(2-stage)
2b: 5 2b: 5
General General
120
Time from ignition of burner to
start of control 60 seconds
Start delay 120 seconds (only
selectable if no operating signal
"B4" is available at plug fA of
the burner)
No monitoring of flue gas
temperature
No service display for burner
No time interval for burner
maintenance
No service display
Fuel consumption of burner
(1st stage); not metered if
"26: 0" and "27: 0" are coded
Fuel consumption of burner
(1st stage); not metered if
"26: 0" and "27: 0" are coded
No intermittent ignition of burner
Fuel consumption of burner
(2nd stage); not metered if "29: 0"
and "2A: 0" are coded
Fuel consumption of burner
(2nd stage); not metered if
"29: 0" and "2A: 0" are coded
Maximum preheating time of Maximum preheating time of
boiler isolation valve 5 minutes boiler isolation valve 5 minutes
New coding Possible change
Address:
Value
1b: 0 Control delay adjustable
to from 0 to 199 seconds
1b:199
1C: 1 Start delay adjustable
to from 1 to 199 seconds
1C:199
With flue gas temperature sensor
1F: 1 connected: When the flue gas
to temperature exceeds the
1F: 50 preselected limit value (selectable
in the range from 10 to 500°C /
50 to 932°F), the service display
appears;
1 increment = 10°C / 50°F
21: 1 The number of burner hours run
to before the service display appears
21:100 can be set between 100 and
10000 hours; 1 increment = 100
hours
23: 1 Time interval variable between
to 1 and 24 months
23: 24
24: 1 The service display appears
(address is set automatically and
must be reset manually after
maintenance has been carried out)
26 : 1 Input from 0.1 to 9.9;
to 1 increment = 10 litres or gallons/hour
26 : 99
27: 1 Input from 10 to 1990;
to 1 increment = 10 litres or gallons/hour
27:199
28: 1 The burner is automatically
switched on for 30 seconds
after 5 hours
29: 1 Input from 0.1 to 9.9;
to 1 increment = 0.1 litre or gallon/hour
29: 99
2A: 1 Input from 10 to 1990;
to 1 increment = 10 litres or gallons/hour
2A:199
2b: 0 No preheating time
2b: 1 Preheating time selectable from
to 1 to 60 minutes
2b: 60