11 Maintenance
Fig.162
9
Fig.163
Fig.164
L2
114
POWER HT +
9. Rinse with clean water.
MW-2000795-01
11.2.4
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.
4. Clean the burner with a vacuum cleaner.
5. Check the distance between the flame detection electrode and the
burner.
L1
Tab.65
Boiler model
POWER HT+ 1.130
POWER HT+ 1.150
POWER HT+ 1.200
POWER HT+ 1.250
6. Check the distance between the ignition electrode and the burner.
Tab.66
Boiler model
POWER HT+ 1.130
POWER HT+ 1.150
POWER HT+ 1.200
POWER HT+ 1.250
Warning
Do not rinse the deflector insulation.
Checking the burner
Replace the safety thermostats if they are damaged.
Important
Do not use a brush as it may damage the burner.
L1
Important
Replace the flame detection electrode if it is damaged.
L2
Important
Replace the ignition electrode if it is damaged.
Distances and tolerances to be
observed for the flame detection
electrode and the burner (mm)
8 +/-1
8 +/-1
10.5 +/- 2
10.5 +/- 2
Distances and tolerances to be
observed for the ignition elec
trode and the burner (mm)
8 +/-1
8 +/-1
10.5 +/- 1
10.5 +/- 1
7702630 - v02 - 11082018