Installation As System With Two Heaters; Information On System Layout; System Layout; Installing The System - Webasto Air Top Evo 40 Installation Instructions Manual

9

Installation as system with two heaters

9.1

Information on system layout

The system layout is not approved for ADR vehicles.
9.2

System layout

4
1
Fig. 24: System layout
1 Master heater
2 Slave heater
3 Master to slave wiring harness
4 Control element
5 External temperature sensor
Two heaters can be connected together to form a system. The
heater, to which the control element and the external tempera-
ture sensor are connected, is automatically recognised as the
master heater. The other unit is the slave heater. The heaters
communicate via a serial bus system.
9.3

Installing the system

Install heaters as described in the installation instructions.
X X
Make electrical connections at the master heater and slave hea-
X X
ter corresponding to the wiring diagram (see „13 Annex").
Connect the control element to the master heater.
X X
Connect the external temperature sensor to the master heater.
X X
Switch on voltage supply.
X X
Carry out initial operation procedure for both heaters.
X X
Air Top Evo 40 | Air Top Evo 55
5
3
2
20