Webasto Thermo Top C Installation Instructions Manual page 12

Webasto
HG
4
X1
rt/ws
gn/
ws
86 87 87a
K3
85 30
sw
Webasto components
HG Heater unit TT-C/E
X1 6-pin heater unit
connector
K3 Fan relay
F3 Fuse (25 A replaced
with 3 A)
IPCU Pulse width modulator
IPCU adjustment values
Voltage: 8 V
Frequency: 400 Hz
Duty cycle: 30 %
Function: High-side
F3
!
IPCU
E
A
86 85
gn/ws
Vehicle components
KB Climatronic control unit
ge Fan unit
F1 Fuse 40A
Seat Leon
Seat Leon
KB
15 16
sw/ bl/
ws ws
rt/ge
rt
sw/ws
rt/ws
sw/ws
1 4
2
GE
Colors and symbols
rt red
ws white
sw black
br brown
gn green
ge yellow
bl blue
Insulate wire end
and tie back
X Cutting point
30
15
F1
Climatron-
ic wiring
diagram
br
3
M
31
Legend
i
12