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Installation and maintenance instructions Logano G334 X gas-fired boiler • Issue 09/2005
We reserve the right to make any changes due to technical modifications.
Specifications15
15 Specifications
Main gas orifice identification and rated manifold pressure for natural gas
Main gas orifice identification and rated manifold pressure for LP gas
1) factory setting
2) use conversion parts only as directed by the technical
documentation
The technical documentation is included with the
conversion parts (accessories).
Boiler size Number of burner
orifices
Main gas orifice identification
for altitudes [feet]
Rated manifold
pressure
[in. W.C.]
0–8500 ft
1)
8501–12000 ft
2)
73 5 3.60 3.55 4.4
92 6 3.70 3.65 4.4
116 7 3.90 3.85 4.1
132 8 3.90 3.85 4.2
Tab. 17 Main gas orifice identification and rated manifold pressure for natural gas
Boiler size Number of orifices Main gas orifice identification
for altitudes [feet]
Rated nozzle pressure
[in. W.C.]
0–8500 ft
2)
8501–12000 ft
2)
73 5 2.35 2.30 10.4
92 6 2.40 2.35 10.3
116 7 2.50 2.45 10.3
132 8 2.50 2.45 10.2
Tab. 18 Main gas orifice identification and rated manifold pressure for LP gas
USER NOTE
If the installation location is over 8500 feet
above sea level, please contact Buderus
for the required conversion components.
Do not attempt to convert the boiler
without the approved Buderus parts and
the relevant technical documentation.