Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 144

Coding – Vitotronic 100, GC1
Coding 2
(cont.)
Coding in the factory setting
Boiler/burner
24: 0 No maintenance indication
Boiler/burner (two-stage)
26: 0
Burner fuel consumption (stage 1);
no count, if 26 : 0 and 27 : 0 have been
programmed
27: 0
Boiler/burner
28: 0 No burner interval ignition
Boiler/burner (two-stage)
29: 0 Burner fuel consumption (stage 2);
no count, if 29 : 0 and 2A : 0 have been
programmed
2A: 0
General
2b: 5 Maximum pre-heating time of isolation valve Maximum pre-heating time of isolation valve
5 minutes 5 minutes
*1
The fuel consumption can only be scanned in conjunction with Vitosoft or Vitocom.
144
Possible change
24: 1 Maintenance indication in display (address is
automatically set and must be manually reset
after maintenance has been carried out)
26: 1 Input of 0.1 to 9.9;
to 1 setting step
26: 99 = 0.1 litre or
*1
gallons/hour
27: 1 Input of 10 to 1990;
to 1 setting step
27:199 = 10 litres or
*1
gallons/hour
28: 1 The burner will be force-started for
30 seconds after 5 hours
29: 1 Input of 0.1 to 9.9;
to 1 setting step
29: 99 = 0.1 litre or
*1
gallons/hour
2A: 1 Input of 10 to 1990;
to 1 setting step
2A:199 = 10 litres or
*1
gallons/hour
2b: 0 No pre-heating time
2b: 1 Pre-heating time adjustable from
to 1 to 60 minutes
2b: 60