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— off
— slow speed of the blower;
— normal speed of the blower;
— fast speed of the blower
3. Control handle of warm (heated) air amount supplied to the passenger
compartment of vans with two rows of seats and buses. It has four positions:
— off
— slow speed of the blower;
— normal speed of the blower;
— fast speed of the blower
4. Handle of air temperature control in the cab (passenger compartment).
The handle extreme left position (wide part of the blue symbol) activates the
ventilation mode. The intermediate and extreme right positions (wide part of
the red symbol) activate the heating mode.
Defrosting and Demisting
To remove quickly frost and condensate from the windscreen and door win
dows do the following:
— turn handle
1
(Fig. 8.2) of air distribution control to position
;
— turn handle
4
of air temperature control to the extreme right position
(wide part of the red symbol);
— turn handle
2
of air amount control to the fast speed of the blower.
To achieve a favourable climate in the cab (passenger compartment):
— turn handle
1
of air distribution control to the chosen position;
— set the air temperature you prefer (temperature of outside air or hot air
from the heater) by turning handle
4
of air temperature control;
— turn handle
2
of air amount control from position
to one of the three
positions to get the desirable rate of air flow coming to the passenger compart
ment.
Central and side ventilation grids on the instrument panel have handles
(levers) for shutters control. Shifting of them changes the direction of air flow,