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Air Top Evo 40
Webasto Air Top Evo 40 Workshop Manual
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Air Heaters
Workshop Manual
Air Top
Evo 40
Air T
op Evo
55
Air Top Evo
40 B / Air Top Evo 55 B
(
Petrol)
Air Top
Evo 40 D / Air Top Evo 55 D
(Diesel/PME)
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2
Table of Contents
Default Chapter
3
Table of Contents
3
Statutory Regulations and Safety Instructions
6
Contents and Purpose
6
Meaning of Signal Words
6
Additional Documentation to be Used
6
1 Introduction
7
Fig. 201 Air Top Evo 40 / Air Top Evo 55 Air Heater
9
Fig. 202 Air Top Evo 40 / Air Top Evo 55 Air Heater Without Housing
9
2 General Description
9
Fig. 204
10
Fig. 205 Evaporator Mount (Diesel) and Combustion Pipe
10
Fig. 206 Evaporator Mount (Petrol) and Combustion Pipe
10
Fig. 207 Glow Plug
10
Fig. 208 Exhaust Temperature Sensor
11
Fig. 209
11
Fig. 210 Control Unit
11
Fig. 211 DP 42 Fuel Pump
11
3 Function Description
12
Control Mode
13
Fault Switch-Off
14
Reset a Fault Switch-Off
15
Fig. 401
16
Fig. 402 Setpoint Values for Resistance Values of Components
17
4 Technical Data
18
5 Troubleshooting
18
Fig. 502 Error Symptoms During Function
19
Fig. 503 Faults and Error Remedies
20
Fault Code Displayed in Control Element
20
Maintenance Display in Control Element
22
Fig. 601 Components Required for Operating a Heater
23
6 Functional Checks
23
Fig. 602 Heater Test Bench
24
Settings
24
Tests of Individual Components
25
Burner Component Assembly
26
Resistance Test of Exhaust Temperature Sensor
27
Heating Air Fan Component
28
Fig. 203 Drive Unit
30
Drive Unit Component
30
Blow-Out Temperature Sensor Component
31
Control Unit Component
32
Heater Component
33
Fig. 701 Ccombinationnector Assignment Combination Ccombinationtrol Unit
36
General Information
36
Fig. 702 Wiring Diagram for Air Top Evo 40 and Air Top Evo 55, 12 V/24 V with Rotary Selector and Vehicle Fan
37
Fig. 703 Wiring Diagram for Air Top Evo 40 and Air Top Evo 55, 24 V for ADR Operation with Rotary Selector
37
Fig. 705 Wiring Diagram for Air Top Evo 40 and Air Top Evo 55, 12 V/24 V with Air Top Evo
38
Fig. 706 Wiring Diagram for Air Top Evo 40 and Air Top Evo 55 "Master Heater", 12 V/24 V with Rotary Selector
39
7 Wiring Diagrams
39
Fig. 708 Connection Diagram Fir Air Top Evo 40 and Air Top Evo 55 with 1531 Combination Timer
40
Fig. 709 Connection Diagram for Air Top Evo 40 and Air Top Evo 55 with Air Top Evo
40
Work on Heater
43
8 Service Work
43
Fig. 801
44
Fuel System
44
Fig. 802 Fuel Filter, Installation Position and Flow Direction
45
Fig. 803 Permissible Installation Position of Exhaust Silencer
45
Combustion Air System
45
Fig. 804 Permissible Installation Position of Exhaust Pipe End
46
Electrical Connections
46
Fig. 808 Disconnect the Plug
47
Fig. 809 Installation Example for Heater in Re-Circulated Air Mode
48
Heater, Removal and Installation
49
Fig. 901 External Room Temperature Sensor
50
9 Repair
50
Dismantling and Assembling
51
Fig. 902 Removing/Fitting Housing Parts
52
Replacing Control Unit
53
Fig. 903 Replace Control Unit, Blow-Out Temperature Sensor, Heating Air Fan and Drive Unit
54
Fig. 904 Cable for Exhaust Temperature Sensor
55
Fig. 905 Sealing Surface of Exhaust Temperature Sensor
55
Fig. 906 Top View of Heat Exchanger
55
Replacing Evaporator Mount and Glow Plug
56
Fig. 907 Replacing Evaporator Mount, Glow Plug, Exhaust Temperature Sensor, Combustion Pipe and
57
10 Packaging, Storage and Shipping
58
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Webasto Air Top Evo 40 Specifications
General
Heating Power
1.5 - 4.0 kW
Fuel Type
Diesel
Fuel Consumption
0.18 - 0.49 l/h
Power Consumption
15 - 40 W
Power Supply
12 V DC
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