BMW 630CS - Page 26

26 Heating and ventilation
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and the footwell apertures can be varied
steplessly in temperature by turning the
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period has elapsed.
Rotary blower switch (3)
This switch regulates the volume of air
admitted to the interior of the car. Turn-
ing clockwise increases blower speed
and thus the total vol ume of ai r.
Do not select the "MAX" blower setting if
the temperature control knob is already
at "WARM" unless the engine has reach-
ed its normal operating temperature (see
page 18).
Note: Always run the .blower whenever
heating, demistlng or ventilation are
required.
Flotary air distribution control (4)
This rotary knob distributes the con-
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As the control is turned clockwise, the
footwell outlets open initially at the
"UNTEN" (Down) setting, followed by the
footwell and demisting outlets together
(the "NORMAL" setting). For demisting
or removal of ice from the windows, the
knob can be turned further to the
"OBEN" (Up) setting, which directs the
entire airflow upwards and on to the
windows.
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a) to the footwells, via openings on the
side of the heater unit;
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thesidewindows.
Aii. extractlon :
Stale air from inside the caLr escapes via
slots below the rear window and emerges
through openings in the rear roof pillars.