Settings; Factory Settings; Figure 12: Components Required - Webasto Air Top Evo 40 Series Service Manual

Voltage source, adjustable
Measuring of electrical voltage [V]
10 - 30 V
≥ 30 A
CO measuring unit
2
Testing of CO value [vol. %]
2
Maximum ± 0.3 vol. %
Heater test bench *1)
Heater function test
Regarding contact Webasto heater test bench: International Technical Support - International Hotline:
hotline.wt@webasto.com
PC (personal computer)
Webasto Diagnosis Adapter incl. software
Diagnosis Adapter ID No. 9009064_ is available from Webasto. Display of fault memory, operating data and control unit
information.
Reference heater Air Top Evo 40 / Air Top Evo 55
The reference heater must be subjected to continual operating checks.
*1) The following schematic diagram shows the components necessary for operating a heater. Application-specific
interfaces must be taken into account. A calibrated fuel pump, which is subjected to continual operating checks, must be
used for testing. The technical requirements are contained in the Webasto product documentation. It is preferable to use
Webasto components. Particular attention must be paid to work and occupational safety.

Figure 12: Components Required

for Operating a Heater
6.3

Settings

6.3.1 Factory Settings

The heater is set at the factory, based on an altitude of 0 m above sea level, to a specified nominal CO
accordance with Section 6.3.2. When used at altitudes above sea level, a higher CO
Air Top Evo 40 / Air Top Evo 55 Service Manual
1 Rheostat
2 Electrical vehicle interface
3 Heater fuse
4 Hot air outlet
5 Hot air outlet hose
6 Fuel pump
7 Fuel filter
8 Fuel standpipe
25
9 Fuel tank
10 Fuel line
11 Exhaust pipe
12 Combustion air intake
pipe
13 Cold air inlet grille
14 Air Top Evo Multi Control
(MC04) control element
value in
2
content in the exhaust gas
2