air condition SUBARU LEGACY 2005 4.G User Guide

4-1
4
Climate control
Ventilator ....................................................... 4-2 Air flow selection .............................................. 4-2
Center and side ventilators .............................. 4-3
Manual climate control system (if equipped) ............................................... 4-4Control panel ..................................................... 4-4
Heater operation ............................................... 4-7
Air conditioner operation ................................. 4-9
Automatic climate control system (if equipped) ............................................... 4-10Temperature sensors ....................................... 4-16
Operating tips for heater and air conditioner ........................................... 4-17Cleaning ventilator grille .................................. 4-17
Efficient cooling after parking in direct sunlight ........................................................... 4-18
Lubrication oil circulation in the refrigerant
circuit .............................................................. 4-18
Checking air conditioning system before summer season .................................. 4-18
Cooling and dehumidifying in high humidity and low temperature weather condition ...... 4-18
Air conditioner compressor shut-off
when engine is heavily loaded ...................... 4-18
Refrigerant for your climate control system .. 4-18
Air filtration system (if equipped) ................ 4-19

4-4
Climate control
Manual climate control system (if
equipped) !
Control panel
A) Temperature control dial
B) Fan speed control dial
C) Air flow control dial
D) Air conditioner button
E) Air inlet selection button
F) Rear window defogger button (Refer to the “Rear win- dow defogger button” in chapter 3.) !
Temperature control dial
This dial regulates the temperature of air flow from the
air outlets over a range from the blue side (cool) to red side (warm).
AB F
E
D C
UB4209BB
UB4519BA

4-6
Climate control
: Air flows through the instrument panel outlets,
the windshield defroster outlets, and the foot outlets.
: Air flows through the instrument panel outlets
and the windshield defroster outlets.
NOTE
In a vehicle equipped with an air conditioner, when
the dial is placed in the “ ” position or “ ”
position the air conditioner compressor automati-
cally operates to quickly defog the windshield.
However the indicator on the air conditioner but-
ton will not come on. At the same time, the air inlet
selection is automatically set to “outside air”mode.
In this state, you cannot select “recirculation”
mode by manually pressing the air inlet selectionbutton.
Also, you cannot stop the air conditioner com-
pressor by pressing the air conditioner button. !
Air conditioner button
The air conditioner operates only when the engine is
running.
Push the air conditioner button while the fan is in op-
eration to turn on the air conditioner. The indicator light
will come on.
Push it again to turn off the air conditioner.
UB4518BA

4-7
Climate control
– CONTINUED –
!Air inlet selection button
ON position (Recirculation): Interior air is recirculated inside the vehicle.
Push the air inlet button to the ON position. The indi-
cator light will come on.
Place this button in the ON position when you wish to
cool the cabin quickly (in a vehicle with an air condi-
tioner) or are driving on a dusty road.
OFF position (Outside air): Outside air is drawn into
the passenger compartment.
Push the air inlet button again to the OFF position. The
indicator light will go off.
Place this button in the OFF position when you reach
a road that is not dusty and when you wish to achieve a comfortable temperature in the cabin.
Continued operation in the ON position may fog
up the windows. Switch to the OFF position as
soon as the outside dusty condition clears.
! Heater operation
! Defrosting or defogging the windshield
To direct warm air to the windshield and front door win-
dows:
1. Set the air inlet selection button to the OFF posi-
tion.
2. Set the air flow control dial to the “ ” position.
3. Turn the temperature control dial all the way to the right.
4. Set the fan speed control dial to the highest speed.
NOTE " In a vehicle equipped with an air conditioner,
when the dial is placed in the “ ” position or
“ ” position the air conditioner compressor au-
tomatically operates to quickly defog the wind-
shield. However the indicator on the air condition-
UB4517BA

4-8
Climate control
er button will not come on. At the same time, the
air inlet selection is automatically set to “outsideair” mode.
In this state, you cannot select “recirculation”
mode by manually pressing the air inlet selectionbutton.
Also, you cannot stop the air conditioner com-
pressor by pressing the air conditioner button."
Warm air also comes out from the right and left
air outlets. To stop warm air flow from these out-
lets, turn the corresponding wheel to the “ ”
position. ! Heating and defrosting
To direct warm air toward the floor and the windshield:
1. Set the air inlet selection lever to the “OFF” posi-tion.
2. Set the air flow control dial to the “ ”position.
3. Set the temperature control dial to the most com-
fortable level.
4. Set the fan speed control dial to the desired speed.
NOTE " In a vehicle equipped with an air conditioner,
when the dial is placed in the “ ” position or
“ ” position the air conditioner compressor au-
tomatically operates to quickly defog the wind-
shield. However the indicator on the air condition- er button will not come on. At the same time, the
air inlet selection is automatically set to “outside
air” mode.
In this state, you cannot select “recirculation”
mode by manually pressing the air inlet selectionbutton.
Also, you cannot stop the air conditioner com-
pressor by pressing the air conditioner button."
Warm air also comes out from the right and left
air outlets. To stop warm air flow from these out-
lets, turn the corresponding wheel to the “ ”
position. ! Heating
To direct warm air toward the floor:
1. Set the air inlet selection button to the OFF posi-tion.
2. Set the air flow control dial to the “ ” position.
3. Set the temperature control dial to the most com-
fortable level.
4. Set the fan speed control dial to the desired speed.NOTE
Warm air also comes out from the right and left air
outlets. To stop warm air flow from these outlets,
turn the corresponding wheel to the “ ” posi- tion.

4-9
Climate control
– CONTINUED –
!Bi-level heating
This setting allows you to direct air of different temper-
atures from the instrument panel and foot outlets. The
air from the foot outlets is slightly warmer than from the
instrument panel outlets.
1. Set the air inlet selection button to the OFF posi-tion.
2. Set the air flow control dial to the “ ” position.
3. Set the temperature control dial to the desired tem-perature level.
4. Set the fan speed control dial to the desired speed.
Setting the temperature control dial fully turned to the
red area or blue area decreases the temperature dif-
ference between the air from the instrument panel out-
lets and the air from the foot outlets. ! Ventilation
To force outside air through the instrument panel out-
lets:
1. Set the air inlet selection button to the OFF posi-tion.
2. Set the air flow control dial to the “ ” position.
3. Set the temperature control dial all the way left.
4. Set the fan speed control dial to the desired speed.
When driving on a dusty road, set the air inlet control
button to the ON position.
Continued operation in the ON position may fog
up the windows. Switch to the OFF position as
soon as the outside dusty condition clears.
! Air conditioner operation
! Cooling or dehumidifying
For cooling and dehumidification of the passenger
compartment, air flows through the instrument panel
outlets:
1. Set the air inlet selection button to the OFF posi-
tion.
2. Set the air flow control dial to the “ ” position.
3. Set the air conditioner button to the “ON” position.
4. Set the temperature control dial to the blue side.
5. Set the fan speed control dial at the desired speed. ! Defrosting or defogging
To direct warm air to the windshield and front door win-
dows:
1. Set the air outlet control dial to the “ ” position.
2. Set the temperature control dial to the red side.
3. Set the fan speed control dial at the highest speed.

4-10
Climate control
NOTE
In a vehicle equipped with an air conditioner, when
the dial is placed in the “ ” position or “ ”
position the air conditioner compressor automati-
cally operates to quickly defog the windshield.
However the indicator on the air conditioner but-
ton will not come on. At the same time, the air inlet
selection is automatically set to “outside air” mode.
In this state, you cannot select “recirculation”
mode by manually pressing the air inlet selection button.
Also, you cannot stop the air conditioner com-
pressor by pressing the air conditioner button.
Automatic climate control system (if
equipped)
NOTE "
Operate the automatic climate control system
when the engine is running. " The blower fan rotates at a low speed when the
engine coolant temperature is low.
For efficient defogging or dehumidifying in cold
weather, press the “A/C” button. " Even when cooling is not necessary, setting the
temperature much lower than the current outlet air
temperature turns on the air conditioner compres-
sor automatically and the “A/C” indicator light on
the control panel comes on.
The automatic climate control system automatically
controls outlet air temperature, fan speed, air flow dis-
tribution air-inlet control, and air conditioner compres-
sor operation. It activates when the “AUTO” button is
pressed, and is used to maintain a constant, comfort-
able climate within the passenger compartment.
The temperature can be set within a range of 65 to 85 °F (18 to 32 °C).

4-11
Climate control
– CONTINUED –
!Control panel
A) AUTO button
B) Temperature control dial (driver’s side)
C) Defroster button
D) Temperature control dial (passenger’s side)
E) Rear window defogger button (Refer to the “Rear win- dow defogger button” in chapter 3.)
F) Air conditioner button
G) Air flow mode selection button
H) Fan speed control button
I) Air inlet selection button
J) OFF button !
AUTO button
AUTO mode operation:
When the “AUTO” button is pressed, the indicator light
“AUTO” on the display comes on. In this state, fan
speed, air flow distribution, air-inlet control, and air
conditioner compressor operation are automatically
controlled.
Manual mode operation:
If you operate any of the buttons on the control panel
other than the “OFF” button and temperature control
dial during automatic mode operation, the indicator
light “AUTO” on the control panel will go out. You can
then manually control the system as desired using the
AB
JIHGF E CD
UB4202BBUB4204BA

4-12
Climate control
button you operated.
To change the system back to the AUTO mode, press
the “AUTO” button. !
OFF button
The Automatic Climate Control system turns off (the
air conditioner compressor and fan turn off) when the
“OFF” button is pressed.
When the “OFF” button is pressed, the outside air in-
troduction mode (air inlet selection OFF) is automati- cally selected. !
Temperature control dial
Driver’s side
UB4204CA
UB4204DA

4-13
Climate control
– CONTINUED –
Passenger’s side
It is possible to make separate temperature settings
for the driver’s side and passenger’s side. Each tem-
perature setting is shown on the display. With the dial
set at your desired temperature, the system automati-
cally adjusts the temperature of air supplied from the
outlets such that the desired temperature is achieved
and maintained.
If the dial is turned fully counterclockwise, the system
gives maximum cooling performance. If the dial is
turned fully clockwise, the system gives maximum
heating performance. !
– Defroster button
To defrost or dehumidify the windshield and front door
windows, push the defroster button “ ”. When the
“ ” button is pushed, regardless whether the air
conditioner is operating or not, outside air is drawn into
the passenger compartment, the air conditioner com-
pressor turns on, air flow is directed towards the wind-
shield and front door windows, and the indicator light
on the button comes on.
After eliminating the fogging from the windshield, re-turn the climate control system to the AUTO mode by
pushing the “AUTO” button or turn off by pushing the
“OFF” button.
Alternatively, push the “ ” button again to return
UB4205BA
UB4205CA