STARTING
AND
OPERATING
2-25
During some
A/C
operation conditions, slight increases and decreases
of
engine speed/power may be noticed. This characteristic should be
considered normal, as the system
is
designed to cycle the compressor
ON
and
OFFtomaintain
desired cooling. The reduced compressor operation
should benefit fuel economy.
AIR CONTROL LEVER (OFF-
MAX-
NORM- BI LEVEL-
VENT-
HEATER- I)EFROST) - The air control lever regulates air
flow
from
the heater, defroster and adjustable
A/C
outlets.
It
also controls
operation of the refrigeration compressor.
• OFF--Limited air
flow
from defroster and heater outlets (see
FAN
CONTROL
LEVER).
• MAX--An
air
conditioning position where passenger compartment
air
is
blended with a small amount
of
fresh outside air, conditioned
and then distributed through the adjustable instrument panel air
outlets. In MAX
the
system will provide maximun cooling and
variable fan speed. Useful
in
conditions
of
very high temperature
and humidity .
• .
NORM--An
air conditioning position where fresh, conditioned air
is
directed through
the
adjustable instrument panel air outlets.
Used
in
most air conditioning situations.
•
BI
LEVEL--An
air
conditioning position where fresh, conditioned
air
is
directed through the heater and adjustable instrument panel
air outlets, with some air
flow
through the defroster outlets t6 the
windshield. Useful when fog appears
On
the windshield and side
glass due to sudden rain or entry
into
the
car
with wet clothing.
• VENT--Fresh, outside
air
is
directed through the adjustable
instrument panel
air
outlets. Used
in
cool-to-moderate weather
where refrigeration
is
not required. This
is
a fuel economy position,
with the refrigeration system compressor turned off.
• HEATER--Fresh, outside air
is
directed through the heater outlet,
with a small amount to the windshield. Another economy position.
• DEFROST--The compressor
will
operate
to
provide fresh,
conditioned (dry) air to the windshield, with a small amount from
the heater air outlet. Used in fogging and icing situations.
TEMPERATURE CONTROL LEVER - The temperature control lever
regulates the temperature
of
the
air
entering the passenger compartment.
Position
of
the lever determines air temperature
in
any
of
the operating
positions
of
the Air Control Lever.
FAN CONTROL LEVER - The fan control lever
(LO
-
HI)
provides
speed control
of
the blower fan
in
all
AIR
CONTROL
LEVER
positions
except OFF.
NOTICE:
The
fan may run whenever the ignition switch
is
turned to
RUN (except,
in
some cases, under cold temperature conditions). This
feature helps provide a supply
of
outside· fresh air
flow
into the
A/C
system.
For proper operation
of
the air conditioning system, car windows should
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