Gas Type Conversion - Viessmann VITODENS 333-F WS3A Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
1. Check the gas type and Wobbe
index (Wo) with your mains gas or
LPG supplier and compare them
with the details on the burner label.
2. If these details do not match, con-
vert the burner to the available gas
type.
Conversion kit installation
instructions.
Wobbe index ranges
Gas type
Delivered condition
Natural gas E
After conversion
Natural gas LL
LPG P

Gas type conversion

Gas restrictor installation
instructions
Gas restrictor allocation
Rated output
Internal 7 gas restrictor
Gas
Natural gas E
Natural gas LL
LPG P
12
3. Adjust the gas type via coding
address "1E" at the control unit.
Note
To call up code 1 and for setting the
coding address, see page 41.
4. Record the gas type in the service
report on page 118.
Wobbe index range
3
kWh/m
12.0 to 16.1
10.0 to 13.1
20.3 to 21.3
kW
(cont.)
3
MJ/m
43.2 to 58.0
36.0 to 47.2
72.9 to 76.8
mm 5.95
mm 6.73
mm
26
4.4