Webasto Thermo Top Z/C - D User Manual

Electrical system
33
Table 2: Legend for wiring diagrams
Item Description Comment
1
Vehicle fan fuse Present in vehicle
2
External temperature sensor Only for Thermo Top Z, Thermo Top Z/
C or auxiliary heating option
3
Aerial Only for Telestart option
4
Ventilation option Only Thermo Top E and Thermo Top C
5
Diagnosis All heaters
6
Mini-relay Only with upgrade from Thermo Top Z
to Thermo Top Z/C
A1 Heater Thermo Top Z/E/C or Z/C
A2 Control unit All heaters
A3 Digital timer 1533
A4 Telestart T91
A5 Telestart T100 HTM
A6 Fuse holder Thermo Top E/C and Z/C
A7 W bus temperature sensor Only Telestart T100 HTM
A10 Telestart button
B2 Coolant temperature sensor Integrated in control unit
E Glow plug/flame monitor
F1 Fuse 20 A (with Thermo Top Z: 15 A)
F2 Fuse 1 A (with Thermo Top Z/C: 5 A)
F3 Fuse 25 A
K3 Relay Vehicle fan
M1 Motor Combustion air fan
M2 Motor Circulation pump
M3 Motor Vehicle fan
Item Description Comment
S1 Vehicle fan switch S1 or S2 depending on vehicle
S2 Vehicle fan switch S1 or S2 depending on vehicle
S5 Switch Summer/winter switch
X1 6-pin connector Heater control unit
X2 2-pin connector Heater power supply
X3 2-pin connector Glow plug/flame monitor
X4 2-pin connector Circulation pump
(only with Thermo Top E/C)
X5 2-pin connector Combustion air fan
X6 2-pin connector not in use
X7 2-pin connector Metering pump
X9 4-pin connector Digital timer
X10 4-pin connector Heater controls
X11 4-pin connector Heater controls
X12 4-pin connector Temperature sensor for W bus
X13 4-pin connector Temperature sensor for W bus
X14 6-pin connector Telestart T91/T100 HTM
X16 2-pin connector Circulation pump
X17 4-pin connector Push button
X18 4-pin connector Digital timer or push button
Y1 Metering pump DP2 or DP30.2
Connection line
for Thermo Top Z only
Retail accessories for auxiliary heater
Connection line
only for Thermo Top Z/C
Thermo Top Z upgraded to parking
heater
Connection line
only with Thermo Top E/C
Retail accessories for parking heater
1317098B_EA_TT_ZEC_DE_EN_ZH.book Page 33 Tuesday, July 3, 2012 1:08 PM

Webasto Thermo Top Z/C - D Specifications

General

Brand	Webasto
Model	Thermo Top Z/C - D
Category	Water Heater
Language	English