2008 Alfa Romeo GT heating

GETTING TO KNOW YOUR CAR
87
DEMISTING
AND/OR DEFROSTING THE
WINDSCREEN AND FRONT
SIDE WINDOWS, REARSCREEN
AND WING MIRRORS
(MAX-DEF FUNCTION)(fig. 94)
Proceed as follows:
- turn the ring of the air distribution knob
(3) to the
-symbol.
The climate control activates all the func-
tions necessary to quicken demisting/
defrosting of the windscreen and side win-
dows with timing (switching off automati-
cally after 3 minutes), as follows:
- switches off air re-circulation, if engaged;
- sets the maximum air temperature;
- operates the fan at a predefined speed;
- directs the flow of air towards the wind-
screen and front side window vents;
- turns on rearscreen heating and, if pre-
sent, the wing mirror coils. When the max demisting/defrosting func-
tion is on, the led next to the rearscreen
heating button (5)
-will turn on.
IMPORTANTIf the engine is not hot
enough, the function does not immediate-
ly engage the pre-established fan speed,
to restrict the inlet of air to the passenger
compartment that is not warm enough to
demist the windows.
After demisting/defrosting, simply use
the controls to maintain the optimum con-
ditions of vision and comfort.
IMPORTANTThe hotter the engine
the more effective defrosting will be. IMPORTANTIn cases of heavy damp
and/or rain and/or big differences in tem-
perature between inside the car and out-
side, it is advisable to proceed as follows
to demist the windows:
- air re-circulation off, led next to button
(4)
voff;
- pointer of knob (2) at fan second speed
at least;
- pointer of knob (3) on symbol
≤with
the possibility of passing to position
yif
more misting is noted;
To defrost/demist the rearscreen, press
button (5)
(, led next to button on.
A0A0733b
fig. 94

GETTING TO KNOW YOUR CAR
88
HEATING (fig. 95)
To obtain the temperature required, pro-
ceed as follows:
- temperature adjustment knob pointer
(1) on the red sector as required;
- air quantity adjustment knob pointer
(2) on the fan speed required to person-
alise the amount of air admitted;
- air distribution knob pointer (3) on the
required position.
To obtain the maximum heating power
proceed as follows:
- knob pointer (1) as far as it will go clock-
wise (maximum temperature red sector);
- knob pointer (2) on maximum fan
speed;
- air distribution knob pointer (3) on the
required position (position
w) is recom-
mended.
IMPORTANTTo be able to obtain sat-
isfactory passenger compartment warm-
ing, the engine should have reached nor-
mal operating temperature. The filter has the specific capability of fil-
tering external air, thus admitting to the
passenger compartment purified air, free
from particles such as dust, pollen, etc.
In addition to the above mentioned func-
tions, is also reduces the concentration of
pollutants.
The filtering action is active in all air inlet
conditions and it is clearly more effective
with the windows closed.
Have the conditions of the filter checked
at least once a year, preferably at the
onset of summer by Alfa Romeo
Authorised Services. If the car is habitually used in dusty or
polluted areas, the filter should be
checked and replaced at shorter intervals
than those specified in the Programmed
Maintenance Schedule.
If the filter is not replaced
the efficiency of the cli-
mate control system may
be seriously compromised up to
blocking the air flow at the outlets
and vents.
POLLEN FILTER
(for versions/markets where applicable)
A0A0734b
fig. 95

GETTING TO KNOW YOUR CAR
92
CONTROLS(fig. 97)
1- Inside temperature set display (dri-
ver’s side)
2- Inside temperature adjustment knob
(driver’s side)
3- Fan speed set and system off display
(
OFF)
4- Knob for adjusting the fan speed and
switching the system off
5- Inside temperature set display (pas-
senger’s side)
6- Inside temperature adjustment knob
(passenger’s side)
7- Maximum defrosting/demisting
on/off button for windscreen and front
side windows, rearscreen heating and
wing mirror coils (
MAX-DEFfunction)
8- Inside air re-circulation on/off button
v(manual/automatic)
9- Rearscreen heating and wing mirror
defrosting on/off button
(
10- Air distribution selection buttons 11- Inside air temperature sensor
12- Button for aligning the temperature
set on the passenger’s side with that on
the driver’s side
MONO
13- Button for selecting the system
automatic mode
AUTO
14- Climate control compressor on/off
enable button
√
fig. 97
A0A0090b

GETTING TO KNOW YOUR CAR
94
AIR TEMPERATURE
ADJUSTMENT KNOBS
(fig. 98)
Turning the rings of knobs (2or6),
clockwise or counter-clockwise, respective-
ly highers or lowers the temperature of
the air required respectively in the left
zone (knob 2) or right zone (knob 6) of
the passenger compartment. The temper-
atures set are shown on the displays (1)
and (5) above the knobs.
Separate operation of the temperatures
set is restored automatically using knob
(6).
Turning the knob rings clockwise or
counter-clockwise until they reach the
extreme selections HIorLO, the maxi-
mum heating or cooling functions are
respectively engaged:
A0A0204b
fig. 98

GETTING TO KNOW YOUR CAR
95
HI function
(highest heating power - fig. 99)
This is turned on setting on the display a
temperature above 32.5°C, and can be
activated independently from the driver’s
or passenger’s side or both; this setting
brings the system to the “monozone”
mode and is shown on both displays.
This function can be engaged when
requiring to heat the passenger compart-
ment as quickly as possible, exploiting the
maximum potential of the system.
This function uses the maximum temper-
ature of the coolant fluid, while air distrib-
ution and fan speed are controlled accord-
ing to the system settings.
This function is unadvisable with
the engine cold to prevent admit-
ting air that is not warm enough
to the passenger compartment.
All manual settings are possible with this
function on.
To switch the system off, simply turn the
ring of knob (2) or (6) of the tempera-
ture set to a value below 32.5°C; the
opposite display will show 32.5°C.
A0A0218b
fig. 99
Pressing key (13)
AUTOthe display will
show a temperature of 32.5°C and returns
to an operating condition with automatic
temperature adjustment.

GETTING TO KNOW YOUR CAR
96
LO function
(highest cooling power - fig. 100)
This is turned on setting on the display a
temperature below 16.5°C; this setting is
shown on both displays.
This function can be engaged when
requiring to cool the passenger compart-
ment as quickly as possible, exploiting the
maximum potential of the system.
The function cuts off air heating,
engages inside air re-circulation (to pre-
vent admitting hot air to the passenger
compartment) and the climate control
compressor, takes air distribution to
RE
and the fan speed as set by the system.
All manual settings are possible with this
function on.
To switch the function off, simply turn
the ring of knob (2) or (6) of the tem-
perature set on a value above 16.5°C;
the opposite display will show 16.5°C.
Pressing key (13)
AUTOthe display will
show a temperature of 16.5°C and
returns to an operating condition with
automatic temperature adjustment.
A0A0219b
fig. 100

GETTING TO KNOW YOUR CAR
99
AIR DISTRIBUTION SELECTION
BUTTONS
(fig. 104)
Pressing one or more buttons (10) it is
possible to manually choose one of the 5
possible air distributions to the passenger
compartment:
REFlow of air to the dashboard centre
and side outlets and rear outlet.
R
ZESplitting of the air flow between the
vents to the lower part of the pas-
senger compartment (warmest air)
and the dashboard centre and side
outlets and the rear outlet (coolest
air). The air flow distribution is par-
ticularly useful in spring and autumn,
when the sun is shining.
ZAir flow towards the front and rear
lower parts of the passenger com-
partment. Due to the natural ten-
dency of heat to spread upwards, this
type of distribution allows heating of
the passenger compartment in the
shortest time, also giving a prompt
feeling of warmth to the coldest parts
of the body.
A0A0208b
Q
ZSplitting of the air flow between the
windscreen and side window defrost-
ing/demisting vents and the lower
part the of the car. This type of air dis-
tribution allows satisfactory heating
of the passenger compartment while
preventing misting of the windows.
QAir flow to the windscreen and front
side window vents to demist or de-
frost them. IMPORTANTPressing one of these
buttons turns on (led on button itself on)
or off (led on button off) the associated
functions if the combination chosen is
among the 5 possible ones; if not it only
activates the main function of the button
pressed, without the possibility of turning
off with another press (at least in one dis-
tribution the air flow should be spread in
the passenger compartment).
To restore automatic air distribution con-
trol after a manual selection, press button
(13)
AUTO. fig. 104

GETTING TO KNOW YOUR CAR
101
INSIDE AIR RE-CIRCULATION
ON/OFF BUTTON
(fig. 107)
Inside air re-circulartion is controlled
according to three operating logics:
- automatic control, indicated by the
turning on of the right led on the button;
- forced engagement (inside air re-circu-
lation always on), indicated by the turning
on of the left led on the button (and by
the right led going off at the same time);
- forced switching off (inside air re-circu-
lation always off with air inlet from out-
side), indicated by the turning off of both
leds.
These operating conditions are obtained
pressing in sequence the inside air re-cir-
culation button (8)
v.
When inside air re-circulation is con-
trolled automatically by the system, the
right led on the air re-circulation button
(8)
vstays on all the time and the left
led shows the air re-circulation condition:
on= air re-circulation operating;
off= air re-circulation off.
If inside air re-circulation has been turned
on or off manually, the led on button
(13)
AUTOturns off. In automatic operation , inside air re-cir-
culation is turned automatically when the
antipollution sensor detects the presence
of polluted air, for example in cities,
queues, tunnels and operation of the
windscreen washer (with the typical smell
of spirits). The inside air- re-circula-
tion system makes it pos-
sible to reach the required
“heating” or “cooling” conditions
faster. It is however inadvisable to
use it on rainy/cold days as it
would considerably increase the
possibility of the windows misting
inside, especially if the climate con-
trol system is off.
A0A0212b
With low external tem-
perature the climate con-
trol compressor is unable
to work. It is therefore inadvisable
to use the inside air recirculation
function
vwith low outside tem-
perature as windows may mist
over quickly.
fig. 107