Webasto ThermoConnect User Manual

8
ThermoConnect
See heater wiring harness.

Check if the power supply is fused with
a 5A fuse.

Connect the red wire (pin9, +) to the
power supply.
In multi-battery systems connect the
wiring harness to the battery that is
connected with the air- or water
heater.

Connect the brown wire (pin1) of the
ThermoConnect wiring harness (
) to
ground.

Connect the plug of the
ThermoConnect wiring harness (B) to
the 16-pin connector on the
ThermoConnect.

Tie up the loose part of the
ThermoConnect wiring harness.
If necessary then update wiring har-
ness of the heater.
■ Always check the wiring diagram
of the heater.
■ When connecting more than one
control element to a heater:
Make sure that the heater and the
control devices are connected via
WBus (Pin2 / yellow wire) .
16-pin plug
Fig.11 ThermoConnect 16-pin plug
See also Fig.22
Pin Colour Description
1 Brown Pin 31, ground
2 Orange W-bus
3 Not connected
4 Not connected
5 Not connected
6 Brown Push button
7 Grey
Input 1, (+ 0V...+32V,
min. Impedance 10kΩ,
state up >5V, state
down < 0.5V)
8 Violet
Input 2, (+ 0V...+32V,
min. impedance 10kΩ,
state up > 5V, state
down < 0.5V)
Pin Colour Description
9 Red
Pin 30, supply,
(+9V…+32V, 5A fuse
required)
10 Yellow
Output 1, (0.5A, same
as supply voltage when
controlled)
This is not the W-
bus signal.
11 White
Output 2, (0.5A, same
as supply voltage when
controlled)
12 Green Push button
13 Grey Push button
14 Blue Push button
15 Not connected
16 Not connected
9.3 Heater wiring harness
(Ref. Fig.9)
■ W-bus: connect yellow wire.
■ Analogue heater: connect black wire.
Always check the wiring diagram of
the heater.
10 Vehicle ventilation control
The ThermoConnect can be configured to
control the vehicle ventilation separately.

Connect either Output 1 (Pin 10) or
9
16
8
1

Webasto ThermoConnect Specifications

General

Brand	Webasto
Model	ThermoConnect
Category	Control Unit
Language	English