9. Rinse with clean water.
Warning
Do not rinse the deflector insulation.
11.2.4 Checking the burner
1. Remove the burner.
2. Check whether the surface of the burner is damaged in any way.
Replace the burner and its gasket if they are damaged.
3. Check the safety thermostats.
Replace the safety thermostats if they are damaged.
4. Clean the burner with a vacuum cleaner.
Important
Do not use a brush as it may damage the burner.
5. Check the distance between the flame detection electrode and the
burner.
Tab.66 L1
Boiler model
Distances and tolerances to be
observed for the flame detection
electrode and the burner (mm)
SIRIUS THREE FS 130
8 +/-1
SIRIUS THREE FS 150
8 +/-1
SIRIUS THREE FS 200
10.5 +/- 2
SIRIUS THREE FS 250
10.5 +/- 2
Important
Replace the flame detection electrode if it is damaged.
6. Check the distance between the ignition electrode and the burner.
Tab.67 L2
Boiler model
Distances and tolerances to be
observed for the ignition elec
trode and the burner (mm)
SIRIUS THREE FS 130
8 +/-1
SIRIUS THREE FS 150
8 +/-1
SIRIUS THREE FS 200
10.5 +/- 1
SIRIUS THREE FS 250
10.5 +/- 1
Important
Replace the ignition electrode if it is damaged.
Fig.162
9
MW-2000795-01
Fig.163
MW
-3
0
0
0
1
0
2
L1
Fig.164
MW
-3
0
0
0
1
0
3
L2
11 Maintenance
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