BUS TOP Premium
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3. Operation
3.1
Ventilation function
(not for emergency
exit hatch)
3.1.1 General
The passenger cabin can be venti-
lated by static means.
The ventilation hatch is operated
using an ON/OFF switch.
The following settings are defined:
Switch settings 0 (contact open)
and 1 (contact closed) on ON/Off
switches S1 (cover open at rear)
and S2 (cover open at front) move
the roof into the positions shown in
Fig. 301.
If the hatch is not closed the roof
position indicator light (H1) is lit (if
connected).
= Closed
= Open at the front
= Open at the rear
= Open at the front and rear
Switch
Roof position
S1
(rear)
S2
(front)
Closed
Open at the rear
Open at front
and rear
Open at the front
0
0
X
1
0
X
0
1
X
1
1
X
Fig. 301 Switch matrix (relationships between switch and hatch positions)
80-01-025.book Seite 25 Dienstag, 3. Juni 2003 10:42 10
Summary of Contents for BUS TOP PREMIUM
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