Webasto Air Top Evo 40 Installation Instructions Manual - 8 Electrical Connection
19
Air Top Evo 40 | Air Top Evo 55
8 Electrical connection
8.1 Information on the electrical connection
8.2 Connecting heater
8.3 Connecting control element
8.4 Connecting heater to ADR vehicles
Connecting heater
Connecting control element
X
X
Insulate ends of lines that are not required.
Fig. 23: Removing control unit cover
X
X
Use a blunt blade on both sides to remove the control unit co-
ver.
X
X
Plug in wiring harness connector at control unit.
X
X
Route cable through left or right cable lead-through.
X
X
Position cable grommet such that the cable lead-through is
sealed off in the control unit cover.
X
X
Connect the supply voltage to the vehicle electrical system.
X
X
Install fuse holder in vehicle interior.
X
X
Install a fuse (according to SAE J 1284, F= 15 A for 24 V, F=
20 A for 12 V) with fuse holder as a safety measure for the hea-
ter.
X
X
Connect heater corresponding to the wiring diagram.
X
X
Replace control unit cover.
X
X
Drill holes according to the control element installation instruc-
tions.
X
X
Connect plug to control element according to the labelling on
the heater wiring harness.
X
X
Connect heater corresponding to the wiring diagram.
Operate the heater only with the integrated setpoint
sensor.
After it is switched off the heater continues running.
The voltage supply must not be disconnected before
approx. 240 seconds have elapsed.
An electrical battery disconnector or relay can be
connected in accordance with the wiring diagram.
You will find further information in the installation
instructions for the control element.
After connecting in accordance with the ADR wiring
diagram, the heater will continue running for 40 se-
conds when switch S5 is operated.
ADR vehicles: The heater must only be switched on
manually via a switch. It must not be possible to
switch on the heater automatically via a programma-
ble switch.