Viessmann VITOTRONIC 100 GC1B Installation And Service Instructions Manual page 108

Coding Level 2
Category 2 "Boiler"
Coding in the Delivered Condition
21:0 No service interval (hours run) selected.
23:0 No interval for service.
24:0
No display.
26:0 Burner fuel consumption (stage 1):
No count if "26:0" and "27:0" are programmed.
27:0 Burner fuel consumption (stage 1):
No count if "26:0" and "27:0" are programmed.
28:0 No burner interval ignition.
29:0 Burner fuel consumption (stages 1 and 2):
No count if "29:0" and "2A:0" are programmed.
2A:0 Burner fuel consumption (stages 1 and 2);
No count if "29:0" and "2A:0" are programmed.
2b:5 Maximum preheating time of the isolation valve
5 min.
2C:5 Maximum run-on time of the isolation valve 5 min.
2d:0 Shunt pump control function only "ON" if the
boiler is enabled.
108
(continued)
Vitotronic 100, GC1B Installation and Service
Possible Change
21:1 The number of hours run before the burner
to should be serviced is adjustable from 100
21:100 to 10,000 h; One adjusting step
23:1 Interval adjustable from 1 to 24 months.
to
23:24
24:1
display (the address is automatically set and
must be manually reset after a service has been
carried out).
26:1 Input of 0.1 to 9.9;
to 1 step 0.1 L/h or USG/h.
26:99
Note: Values of coding addresses "26" and "27"
are added together.
27:1 Input of 10 to 1990;
to 1 step 10 L/h or USG/h.
27:199
28:1 Interval adjustable from 1 to 24 h. Burner is
to force started for 30 sec. respectively.
28:24
29:1 Input of 0.1 to 9.9;
to 1 step 0.1 L/h or USG/h.
29:99
Note: Values of coding addresses "29" and "27"
are added together.
2A:1 Input of 10 to 1990;
to 1 step 10 L/h or USG/h.
2A:199
2b:0 No preheating time.
2b:1 Preheating adjustable from 1 to 60 min.
to
2b:60
2C:0 No run-on time.
2C:1 Run-on time adjustable from 1 to 60 min.
to
2C:60
2d:1 Shunt pump control function permanently "ON".
100 h.