Mercedes-Benz 450 SL 1980, Руководство пользователя

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Automatic Climate Control
4 “ AUTO -HI” button:
Fast heating or cooling of
vehicle interior.
A ir conditioning, air distribution
and blow er control are the same
as in position “ 3” “ AUTO-LO".
The blower, however, operates
at a higher speed.
5 “ BI-LEVEL” button:
For fogged-up windows.
During heating and cooling
operations air is channelled to
the w indshield and to the foot-
well. During the cooling ope­
ration air also enters via the
center sw ivelling outlets 8.
The vehicle interio r is cooled
practically free of draft with
more air being blown into the
footw ell. The blow er then
operates at a higher speed than
“ AUTO-LO ” .
We recommend this position at
low am bient temperatures.
“ DEF” button:
For iced-up windows.
Independent of the position of
the tem perature selector wheel
a ir heated to maximum tempe­
rature is channelled to the
w indshield.
For the side windows, open
sw ivelling outlets 9.
R efrigerant com pressor switch:
Switching the air conditioning
com pressor on and off.
The com pressor can be
switched off com pletely in the
positions “ AUTO -LO ” and
“ AUTO-HI” , e. g. if no cooling
is required because of low
am bient tem peratures (fuel
economy).
Fresh air is supplied to the foot-
well if the refrigerant com ­
pressor is switched off w hile the
system is w orking in the cooling
mode.
Fresh a ir enters the vehicle through
openings in fro n t of the windshield
(keep free of snow).
450 SLC and 450 SL with hardtop:
When the window s are closed the
air is emitted through ventilation
opening below the rear window.
Do not cover up ventilation
openings with clothes etc.
Important!
In order to keep the a ir condi­
tioning section of the clim ate con­
tro l system in good w orking condi­
tion at all tim es, it is necessary to
operate the A /C com pressor briefly
at least once a month even during
the seasons it is norm ally not re­
quired. Switch com pressor switch
to “ O N ” and depress “ AUTO-LO”
or “ AUTO -HI” button. Make sure
that the am bient tem perature is
above 2° C /3 6° F since the A /C
com pressor w ill not operate below
this temperature.