2. SIRIUS THREE FS 130 and SIRIUS THREE FS 150 (coaxial pipes): if
necessary, check the return into circulation of any combustion
products. The sensor will then be connected to the outlet connected to
the combustion air intake circuit.
For more information, see
Setting the air/gas ratio (maximum heat input), page 74
Checking combustion (reduced heat input)
1. Check the combustion with reduced heat input.
2. SIRIUS THREE FS 130 and SIRIUS THREE FS 150 (coaxial pipes): if
necessary, check the return into circulation of any combustion
products. The sensor will then be connected to the outlet connected to
the combustion air intake circuit.
For more information, see
Setting the air/gas ratio (reduced heat input), page 76
11.2.9 Cleaning the plate heat exchanger (optional kit)
1. Close the two valves on the secondary side.
Fig.172
MW
-4
0
0
0
2
7
9
-1
MW
-4
0
0
0
2
7
9
-1
Fig.173
1
MW-4000286-1
11 Maintenance
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