Electrical Connections - Webasto Air Top Evo 3900 Workshop Manual

Air Top Evo 3900/5500

8.6.8 Electrical connections

8.6.8.1 Heater connection, control element
The electrical connection is to be made as shown in the
appropriate circuit diagram (see section 7).
To connect the wiring harness, remove the cover (see
9.2.1.1) on the heater and connect the wiring harness plug
to the control unit.
Before using the heater for the first time fit the cover to
prevent the illegal escape of hot air (heater overheating).
The wiring harness can be fed out of the left or right side
of the heater.
8.6.8.2 Supply voltage connection
Ideally from the vehicle's central electrical system.
An additional blade terminal fuse holder is to be fitted to
protect the heater (supplied with the heater).The fuse
holder may only be installed in the interior of the vehicle.
Fig. 810 Remove the fastening plate on the fuse holder
F = 10A 24V
15A 12V
Fig. 811 Fuse holder, installation position
8.6.8.3 Control element connection
The wiring harness is prepared for connection to the
control element.
Simply pull on connector housing to disconnect the
connector (fig. 813).
Fig. 812 Control element
The fibre optic cable must be in contact with the rotary
knob.
The connector housing can be locked (self-locking action)
by simply pulling on the wiring harness.
Fig. 813 Disconnect the plug
8 Servicing work
Fibre optic cable
NOTE
NOTE
807