Preparing Electrical System - Webasto Thermo Top Evo Installation Documentation

Audi A1
Ident. No.: 1324052C_EN
rt
1
4²
rt
0,75²
sw
2
4²
sw
0,75²
rt
3
0,5²
sw
4
0,5²
IN
KL 15
GND SH
OUT
rt
3
0,5²
sw
4
0,5²
PWM
__ __
IN
2.8 2.8
6.3
GND KL15 SH
6.3 6.3 6.3
OUT
__ __
6.3
2.8 2.8
Status: 06.10.2016

Preparing Electrical System

Wire sections retain their numbering in the
entire document.
Produce all following electrical connec-
tions as shown in the wiring diagram.
Red (rt) wire of fan wiring harness
1
Black (sw) wire of fan wiring harness
2
Red (rt) wire of PWM control system
3
wiring harness
Black (sw) wire of PWM control sys-
4
tem wiring harness
2
Check the PWM Gateway settings when
starting up the heater and adjust if neces-
sary.
Settings:
Duty cycle: 100% (DC)
Frequency: not relevant
Voltage: 3.6V
Function: High side
3
gn/ws
rt/sw
rt
br
0,5²
0,5²
0,5² 4²
RSH
F4 F3 F5
4.8 4.8 4.8
F4 F3 F5
4.8 4.8 4.8
__ __
30
2.8 2.8
6.3
85 86
87a
6.3 6.3
6.3
__ __
87
2.8 2.8
6.3
sw
2
4²
rt
1
4²
4
© Webasto Thermo & Comfort SE
Assigning
wires
View of
PWM GW
Interlocking
PWM GW
and passen-
ger com-
partment
relay and
fuse holder
sockets, in-
serting con-
nector into
bushing and
connecting
wires
6