Electrical Connections - Webasto Air Top Evo 40B Installation Instructions Manual

Electrical system
9

Electrical connections

All lines that are not required must be insulated at their free end!
NOTE:
If the combination timer is used, a push button may be
installed in the sleeping section to act as a remote control and
improved comfort. The connections must be made as shown
in the wiring diagram in Fig. 35.
The electrical connection of the heater is designed as shown in the wiring
diagrams (Fig. 33 to 38).
9.1. Connection for installation in a vehicle for the transportation of
hazardous goods (ADR)
EX/II, EX/III, AT, FL and OX vehicles:
The combustion heater shall be switched on manually. Pro-
gramming devices shall be prohibited.
(Requirement from ECE-R 122, Annex 9, Point 3.1.2.).
When installing heaters Air Top Evo 40 D and Air Top Evo 55 D in vehicles
for the transportation of dangerous goods, the requirements of Directive
ECE-R 122, Annex 9 - Combustion Heater must also be met. The electrical
connection of the heater is designed as shown in the wiring diagram in Fig.
34.
NOTE:
Switch S5 must be installed in such a way that a positive
potential is connected to the appropriate input of the control
unit when a pumping device is switched on.
76
Air Top Evo 40 / Air Top Evo 55
IMPORTANT
All ADR functions are ineffective if there is no earth at control
unit input X6/1 when the system is switched on.
The control unit continues to run briefly for a maximum of 40
seconds when a positive voltage is connected to control unit
input X6/1 (auxiliary device on) or the engine is switched off.
The control unit then switches to the "ADR Lock-Out"
operating mode.
IMPORTANT
In order to comply with legal requirements, when fitting the
combination timer it must be ensured that contact 4 on the
combination timer remains free. The heater can then only be
taken into operation using the immediate heat button.
9.2. Heater connection
To connect the wiring harness, remove the control unit cover on the heater
and connect the wiring harness plug to the control unit.