Burner Removing And Cleaning - Buderus Logano plus GB402 Installation And Maintenance Instructions Manual

9.6.1 Burner Removing and cleaning

▶ Undo toggle clip [1] at the top of the ventilation air hose.
▶ Pull off ventilation air hose [2] together with the connector from
ventilation air collector [3].
Fig. 44 Undoing the ventilation air hose
[1] Toggle clip
[2] Inlet hose
[3] Ventilation air collector
▶ Undo the 4 screws from gas valve flange [1] and undo the gas
connection.
Fig. 45 Undoing the gas connection
[1] Screws
Logano plus GB402 – 6 720 804 428 (2012/09)
▶ Undo all electrical plug-in connections at the electrode block.
Fig. 46 Undoing the electrical plug-in connections at the electrode block
[1] Monitoring cable
[2] Ignition cable
[3] Ignition cable
▶ Undo fixing nuts [1] at the top and bottom of the mixture manifold.
▶ Undo the electrical connections at the gas valve and the fan
( Fig. 56, page 36).
▶ Carefully pull out the burner towards you.
Fig. 47 Undoing the nuts at the mixture manifold
[1] Fixing nuts with washer
Inspection and maintenance 9
33