Webasto Thermo Top Z Shop Manual page 30

7 Circuit Diagrams
Item Nomenclature
A1 Heater
A2 Control unit
A3 Connector box
A4 Telestart receiver
B2 Temperature sensor
E Glow plug / flame sensor
F1 Fuse 15 A
F2 Fuse 1 A
F3 Fuse 25 A
H1 LED (in item P)
K3 Relay (in item A3)
M1 Motor
M2 Motor
M3 Motor
P Timer, digital
S1 Switch for vehicle air fan
S2 Switch for vehicle air fan
S5 Switch
X1 Connection, 6-pole
X2 Connection, 2-pole
X3 Connection, 2-pole
X4 Connection, 2-pole
X5 Connection, 2-pole
X6 Connection, 2-pole
X8 Connection, 2-pole
X9 Connection, 4-pole
Y1 Dosing pump
Fig. 702 Automatic Switching Circuit for Thermo Top E and Z/C, 12 V Timer and Telestart T60
702
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4
Remark
Thermo Top E or Z/C
T60
Flat fuse SAE J 1284
Flat fuse SAE J 1284
Flat fuse SAE J 1284
operating indicator light
vehicle air fan
combustion air fan
circulation pump
vehicle air fan
for timer operation
depending on vehicle S1 or S2
depending on vehicle S1 or S2
summer/winter switch
water repellant
water repellant
water repellant
water repellant
water repellant
HF, coaxial
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Thermo Top E and Z/C
ϑ
Wire Gauges
< 7.5 m
0,5 mm
0,75 mm
1,5 mm
2,5 mm
4,0 mm
Wire Colours
bl blue
br brown
ge yellow
gn green
gr grey
or orange
red
rt
sw black
vi violet
ws white
Legend for circuit diagrams
1 Diagnosis
2 Outside air temperature
3 Vehicle heating air fan fuse
provided in vehicle
4 Option
ϑ
7.5 - 15 m
2
2
0,75 mm
2 2
1,5 mm
2
2
2,5 mm
2 2
4,0 mm
2 2
6,0 mm