Summer/Winter Switch - Webasto Thermo Top Z Shop Manual

Thermo Top E and Z/C
7 Circuit Diagrams
7.1 General
The connector pin assignment of control unit
Thermo Top E and Z/C is shown in Fig. 701.
The circuit diagrams (Fig. 702 and 703) show the
electrical circuit of the heater in combination with Timer
and Telestart T60.
The circuit diagram (Fig. 704) shows the electrical circuit
of Thermo Top Z.
1 outside air temperature
2

summer/winter switch

3 not used
BL combustion air fan
DP dosing pump
FG vehicle air fan
GS/FW glow plug / flame sensor
UP circulation pump
Fig. 701 Control Unit Connector Pin Assignment (Thermo Top E and C)
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3
UP BL
2 2 2
1 1 1
X5 X4
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GS/FW 12V+
2
1
2
1
X3 X2
7 Circuit Diagrams
2
FG
DP
4 5 6
3
2
1
Clock Diagnosis
1
X1
701