Air Top Evo 3900/5500
9 Repair
4
5
3
7
6
2
1
8
1 Combustion and hot air fan
(drive unit)
2 Torx screw (8)
3 Control unit
4 Torx screw (2)
5 Terminating resistor
6 Flat seal
7 Heat exchanger
8 Overheating sensor
Detail A
Fig. 902 Change the control unit, overheating sensor and the combustion and hot air blower (drive unit)
905