Webasto Air Top Evo 40 Installation Instructions Manual - page 25
25
Air Top Evo 40 | Air Top Evo 55
13.2 Legends to the wiring diagrams
Legend to wiring diagrams
Legend to remarks in wiring diagrams
Cable cross-sections
Cable colours
Item
Description
Remarks
A1
Heater
Air Top Evo 40 / 55
A2
Control unit
Control unit 1580
A3
UniBox
–
B2
Room temperature sensor
Inside
B3
Blow out temperature sensor
Overheating protection
B4
Room temperature sensor
Outside
B5
Exhaust gas temperature sensor
Overheating protection / flame monitor
E
Glow plug
–
F1
Fuse 24 V, 15 A / 12 V, 20 A
Blade type fuse SAE J 1284
F2
Fuse 4 A
Not included in wiring harness
F3
Fuse 1 A
Blade type fuse SAE J 1284
F4
Fuse 4 A
Not included in wiring harness
F5
Fuse
Value [in A] to be selected correspon-
ding to wire cross section
H1
LED green (in Item S1)
Operating indicator
H2
LED red (in Item P)
Lighting:Quick Heating button, Ready
indicator, ON indicator
H3
Heating symbol on display (in
Item P)
Operating indicator
H4
Bulb/LED (in Item P and S)
Display and button lighting
H5
Bulb/LED
ON indicator, pumping device (max.
500 mA)
H6
LED (green, blue, white, red)
Operation indicator, Ready indicator,
ON indicator, operation indicator
H7
Symbol on display
–
K
Relay with free-wheeling diode
Vehicle blower (max. 500 mA)
M1
Motor
Combustion air and heating air blower
M3
Motor
Vehicle blower
P
Combi timer
Timer and temperature selector
P1
SmartControl
–
P2
SmartControl / Multi Control
–
S
Air Top Evo Multi Control
(MC04)
ON/OFF button, selector switch for ad-
ditional functions and temperature se-
lector
S1
Rotary selector control element
ON switch and temperature selector
S2
Switch
Ventilation
S3
Switch
CO2 setting
S4
Pushbutton
External Quick Heating button
S5
Switch
auxiliary drive / pumping device
S6
Switch, 1 or 2-pin
Disconnector
S7
Battery disconnector
Electronically controlled disconnector
(max. 500 mA)
V1 / V2
Blocking diode
Min. 500 mA
X1 – X6
Plug connection
To Item A2
X7
Plug connection
To control unit
X8
Plug connection
To Item A2
X9
Plug connection
–
X9 (a)
Plug connection
To Item S or S1
X9 (b)
Plug connection
To Item S or S2
X9 (c)
Plug connection
W-bus, optional Telestart (12 V) or
Thermo Call connection
X1 – X11
Plug connections
In heater on control unit
X13
Plug connection
To Item Y1
X14
Plug connection
–
X15
Plug connection
To Item S3
X16
Plug connection
Wiring harness connection DP42
X17
Plug connection
Wiring harness connection DP42
Y1
Fuel pump
DP42
Y2
Solenoid valve / pump
auxiliary drive / pumping device
(max. 500 mA)
Item
Remarks
1
Positive from terminal 15/75 to connection 10: Continuous heating mode is
possible in connection with quick heating function provided the ignition is
switched on.
2
All heater versions: W-bus diagnosis connection
Heater versions with control elements Multi Control (MC04) and Combi timer:
Thermo Call 12 V/24 V connection and Telestart (only 12 V) connection.
Installation as system: Connection to slave heater (yellow/blue wire). Slave wi-
ring harness is included in the Slave scope of delivery.
3
CO2 setting (see workshop manual)
4
Connection to terminal 30: Continuous heating mode is possible with ignition
switched off.
5
Grey and violet wires required for ADR function.
Non-ADR vehicles: Insulate and tie back ends of wires.
6
External temperature sensor (optional)
Installation as system: External temperature sensor must be connected to mas-
ter heater.
7
Fuse in vehicle.
8
Pin 7 "Boost"
Only ambulance heater version (door contact connected to terminal 31).
9
The connection is required for use of the Combi timer 1531 in ADR vehicles.
10
Wiring harness adapter (optional)
11
Switching capacity 250 mA
Graphic
7.5 – 15 m
0.75 mm
2
1.0 mm
2
1.0 mm
2
1.5 mm
2
1.5 mm
2
2.5 mm
2
2.5 mm
2
4.0 mm
2
4.0 mm
2
6.0 mm
2
Abbreviation
Colour
bu
blue
bn
brown
ye
yellow
gn
green
gy
grey
og
orange
rd
red
bk
black
vt
violet
wh
white
Wires or components shown with dashed lines are
optional and not included in the scope of delivery or
in the wiring harness.