20
1. Check the gas type and Wobbe index
(W
s
) with your gas supply utility or
LPG supplier and compare them with
the details above.
2. If the details do not match, convert
the burner to the available gas type,
in accordance with the details provi-
ded by the gas supply utility or your
LPG supplier.
3. Record the gas type in the "Reports"
table.
Wobbe index range W
s
W
s
kWh/m
3
MJ/m
3
Natural gas H 12.7 to
15.2
45.6 to
54.8
LPG P 20.3 to
24.4
72.9 to
87.8
Note
The indicated Wobbe index W
s
values
apply to the following ambient condi-
tions:
■ Air pressure: 1013 mbar (101.3 kPa)
■ Temperature: 15 °C
Checking the static pressure and supply pressure
Danger
CO formation as a result of incor-
rect burner adjustment can have
serious health implications.
Carry out a CO test before and
after work on gas appliances.
Note
The cover panel must be fitted to prevent
infiltrating air.
Operation with LPG
Purge the LPG tank twice during com-
missioning or replacement. Vent the tank
and gas connection line thoroughly after
purging.
1. Close the gas shut-off valve.
2.
Release the screw inside test con-
nector
A
on the gas train but do not
remove, then connect the pressure
gauge.
3. Open the gas shut-off valve.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5848 649 GB
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