Webasto thermo top evo

12 | Wiring Diagrams
36
12.6 Wiring Diagram Legend
The wiring diagrams show the possible
circuits for the Thermo Top Evo:
System wiring diagram – ON/OFF switch - 31
System wiring diagram for Thermo Top
EVO with SmarTemp 2.0 - page 32
System wiring diagram for Thermo Top
EVO with SmarTemp 3.0 - page 33
System wiring diagram for TT Evo with an
enclosure box - page 34
Length < Length
7.5 - 7.5m 15m
75mm2
1.0mm2
1.0mm2
1.5mm2
1.5mm2
2.5mm2
2.5mm2
4.0mm2
4.0mm2
6.0mm2
Table 1: Cable Cross-Sections
Table 2: Thermo Top Evo Wiring Diagram
Legend
Item Description Comment
B3
Overheat
Sensor
Sensor on heat exchanger
DP
Fuel Meter-
ing Pump
Fuel pump for heater
F1
Fuse (15A) Mini fuse
F2
Fuse (5A)
Mini fuse
GS
Glow Plug
H1
Operation In-
dicator Light
On switch or timer
M1
Combustion
Air Fan
M2
Circulation
Pump
S1
Toggle
switch or
SmarTemp
ON/OFF operation
X1
Plug con-
nector, 10
pin
Vehicle plug on item A2
X2
Plug con-
nector, 2 pin
Power supply on item A2
X3
Plug con-
nector, 4 pin
Overheat sensor and coolant
temperature sensor on item
A2
X4
Plug con-
nector, 2 pin
Circulation pump to control
module
X5
Plug con-
nector, 2 pin
Glow plug to control mod-
ule
X6
Plug con-
nector, 2 pin
Exhaust temperature sensor
to control module
X10
Plug con-
nector, 4 pin
W-bus PC diagnostics
X11
Plug con-
nector, 2 pin
to fuel metering pump
X20
Plug con-
nector, 3 pin
control module engine con-
tact
Item
Description
Comment
2
Timer – with positive on timer
connection 10: Continuous
operation with immediate
heating
– Timer connection 10
open: Heating duration is
programmable (10 to 120
min.), basic setting 120
min.
A1
Heater
Thermo Top Evo
A2
Control mod-
ule
Thermo Top Evo
B1
Exhaust Tem-
perature
Sensor
PT2000
B2
Coolant
Temperature
Sensor
Temperature sensor for
coolant circuit