Buderus Logano GC124 II/SP Installation And Service Instructions Manual page 21

Boiler installation
Close connection for relief valve (
other open connections with plugs.
Disconnect the expansion tank from the system by
closing the expansion tank shut-off valve.
Open mixing and shut-off valves on hot water side.
Fill boiler slowly with water from the feed water con-
nection.
Open automatic vents slightly to allow the air to es-
cape.
Slowly fill heating system. Observe pressure display
on pressure gauge during this process.
Check connections and pipes for leaks.
Bleed heating system through the bleed valves on
the radiators or other air elimination components or
high points in the system.
If the pressure drops during air bleeding, water must
be added.
Install pressure relief valve (
Open fill valve for additional filling.
Set static system pressure to at least 15 psi at indi-
cated on pressure relief valve (
Close fill valve and remove fill hose for fill valve.
We reserve the right to make any changes due to technical modifications.
Installation and maintenance instructions Gas Boiler Logano GC124 II/SP • Issue 07/2006
Fig. 14) and all
Fig. 14).
Fig. 15).
1
EL
RK
Fig. 14 B-kit installation
1 Pressure relief valve ¾"
1
2
Fig. 15 Pressure temperature gauge
1 Pressure gauge
2 Set pressure mark
7
VK
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