Wiring Diagrams - Webasto Air Top 2000 ST Installation Manual

Air Top 2000 ST - Air Top Evo 40/55

13. Wiring Diagrams

13.1 Legend to Air Top EVO 40/55 Wiring Diagrams
Item Description
A1 Heater
A2 Control unit
A3 UniBox
B2 Room temperature sensor
B3 Overheat temperature sensor
B4 Room temperature sensor
B5 Exhaust gas temperature sensor
E Glow plug
F1 Fuse 24 V, 15 A / 12 V, 20 A
F2 Fuse 4 A
F3 Fuse 1 A
F4 Fuse 4 A
F5 Fuse
H1 LED green (in Item S1)
H2 LED red (in Item P)
Heating symbol on display
H3
(in Item P)
H4 Bulb/LED (in Item P and S)
H7 Symbol on display
M1 Motor
P1 SmartControl
P2 SmartControl / Multi Control
S Air Top Evo Multi Control (MC04)
S1 Rotary selector control element
S2 Switch
S3 Switch
X1 – X6 Plug connection
X7 Plug connection
X8 Plug connection
X9 Plug connection
X9 (a) Plug connection
X9 (b) Plug connection
X9 (c) Plug connection
X1 – X11 Plug connections
X13 Plug connection
X14 Plug connection
X15 Plug connection
X16 Plug connection
X17 Plug connection
Y1 Fuel pump
www.webasto.us
Remarks
Air Top EVO 40 / 55
Control unit 1580
Control unit 1574
–
Inside
Overheating protection
Outside
Overheating protection / flame monitor
–
Blade type fuse SAE J 1284
Not included in wiring harness
Blade type fuse SAE J 1284
Not included in wiring harness
Value [in A] to be selected corresponding to wire cross section
Operating indicator
Lighting: Quick Heating button, Ready indicator, ON indicator
Operating indicator
Display and button lighting
–
Combustion air and heating air blower
–
–
ON/OFF button, selector switch for additional functions and temperature selector
ON switch and temperature selector
Ventilation
CO2 setting
To Item A2
To control unit
To Item A2
–
To Item S or S1
To Item S or S2
W-bus, optional Telestart (12 V) or Thermo Call connection
In heater on control unit
To Item Y1
–
To Item S3
Wiring harness connection DP42
Wiring harness connection DP42
DP42
45
Wiring Diagrams
Webasto Thermo & Comfort N.A., Inc.