Wolf FGB Series, Installation And Maintenance Instructions For Contractors

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3064458_201811
Natural gas E/H 15,0:
W
S
= 11.4 - 15.2 kWh/m³ = 40.9 - 54.7 MJ/m³
Natural gas LL 12.4:
1)
W
S
= 9.5 - 12.1 kWh/m³ = 34.1 - 43.6 MJ/m³
LPG P
W
S
= 20.2 - 21.3 kWh/m³ = 72.9 - 76.8 MJ/m³
1)
not applicable in Austria / Switzerland
Table: Wobbe index subject to gas type
Gas categories and supply pressures
If the supply pressure is outside the specified range, no adjustments may be carried out and the boiler must not be started.
21. Determining the gas type
Setting the gas/air mixture
Carry out the adjustments in the order
described below. The gas combination
valve has been set at the factory to the gas
type specified on the type plate. Only adjust
the gas combination valve after the system
has been changed to a different gas type.
Determining the gas type
The gas condensing boiler is equipped with a
pneumatic gas/air mixing facility. In the delivered
condition the boiler is set to natural gas E/H.
For operation with natural gas LL remove the gas
restrictor.
For operation with LPG P, replace the gas restrictor as
indicated in the table "Gas restrictors".
1. Request information regarding the gas type and
Wobbe index from your local gas supply utility or
LPG supplier.
2. For operation with natural gas LL and LPG P,
match the gas restrictor.
3. Enter the gas type in the commissioning report.
4. Open the gas ball valve.
Please note
Country of destination
Appliance category Supply pressure in mbar
Natural
gas
LPG
Natural gas LPG
nom. min max nom. min max
DE II2ELL3P 20 18 25 50 42,5 57,5
AT, LU II2H3P 20 18 25 50 42,5 57,5
BE
I2ER 20/25 18 30
BE
I2ES 20/25 18 30
BE I3P 37 25 45
BE
I3P 50 42,5 57,5
FR II2Esi3P 20/25 17 25 37 25 45
FR II2Esi3P 20/25 17 30 50 42,5 57,5
PL II2ELw3P 20 18 25 37 25 45
TR II2H3P 20 18 25 30/37 25 45
DK,EE, SI,
RO,MO,BG,CN,FI,NO,SE
II2H3P 20 18 25 30 25 35
CZ, IT,ES,GR,TR,HR,IE,SI
LT,LV,NO,PT,SE
II2H3P 20 18 25 37 25 45
CH,CZ,ES,GB,NO,SE II2H3P 20 18 25 50 42,5 57,5
RU
II2H3P 20 13 25
30
50
25
42,5
35
57,5
UA II2H3P 20 13 25 37 25 45
HU II2H3P 20 18 25 37 25 45
HU II2H3P 20 18 25 50 42,5 57,5
NL II2L3P, II2EK3P 25 18 30 30/37 25 45
NL II2L3P, II2EK3P 25 18 30 50 42,5 57,5