Webasto Air Top Evo 40 Einbauanweisung Seite 66

Air Top Evo 40 / Air Top Evo 55
Position of the hot air openings
The hot air ducting must be installed or protected in the vehi-
cle in such a way that prevents any risk of injury or damage
in the event of contact.
(Requirement from ECE-R 122, Point 5.3.7.1.)
The air outlet must be so positioned or guarded that blocking
by rubbish or luggage is unlikely.
(Requirement from ECE-R 122, Point 5.3.7.2.)
IMPORTANT
In vehicles used to transport people, the warm air outlet
opening is to be directed in such a way that it is at least 20 cm
away from all body parts.
NOTE:
The hot air outlet opening must not blow directly onto
temperature-sensitive parts.
NOTE:
When selecting the position of the hot air outlet openings,
pay attention to the following:
No airborne short-circuit between the vehicle heater and

the cold air inlet of the Air Top Evo
No airborne short-circuit between the cold inlet and the

hot air outlet of the Air Top Evo (Fig. 7)
Cold air and hot air
Characteristics of the cold and hot air lines
Recommended inside diameter of the hot air line:
90 mm at Air Top Evo 55

80 mm at Air Top Evo 40

NOTE:
For the warm air ducting, use only materials with a continu-
ous temperature resistance of 130 °C (temporary 150 °C).
Location of cold air and warm air ducting
The inlet duct must be protected by mesh or other suitable
means.
(Requirement from ECE-R 122, Point 5.3.6.2.)
IMPORTANT
Use without a cold air inlet hose!
Risk of injury from the rotating hot air fan!
If you operate the heater without a cold air inlet hose, you

must install the inlet grille supplied with the heater
Maximum pressure difference between the inlet and outlet side of the
heater:
Air Top Evo 40: 2.0 hPa
Air Top Evo 55: 3.0 hPa
IMPORTANT
If this pressure difference is exceeded, the heating capacity
will be reduced.
61