Logano G334X Installation And Service Instructions Manual - page 30
9
Boiler inspection and maintenance
Logano G334X – 6 720 811 237 (2014/05)
30
▶ Disconnect connection lines to the gas valve [7].
Fig. 40 Removing the burner
[1]
High-tension ignition lead
[2]
Flame roll-out safety shutoff switch
[3]
Connection cable to gas valve
[4]
Gas valve
[5]
Connection cable to flame roll-out safety shutoff switch
[6]
Gas supply line
[7]
Union on gas supply line
▶ Loosen retaining nuts [1] on the burner shield. Pull the burner out
straight.
▶ Make sure that the spacers [2] remain on the studs.
Fig. 41 Removing the burner
[1]
Retaining nuts
[2]
Studs with spacers
Cleaning the boiler:
▶ Remove the boiler casing and thermal insulation; check for damage.
▶ Unscrew cleaning cover from the draft diverter.
▶ Use cleaning brushes to brush out hot gas flues.
To prevent entry of metal dust into the control unit:
▶ Cover controller with foil.
▶ Clean combustion chamber and bottom panel.
▶ Screw cleaning cover into place and replace thermal insulation.
▶ Install boiler casing.
Fig. 42 Cleaning the hot gas flues
[1]
Cleaning Brush
[2]
Thermal insulation
6
7
4
5
3
2
1
5
4
3
2
1
6 720 810 547-16.1T
6 720 810 547-17.1T
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1
1
2
1
1
6 720 810 547-36.1T
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1