Mitsubishi Lancer Evolution 7. Manual — part 42
EQUIPMENT –
Heater and Air Conditioner
7-21
CONSTRUCTION DIAGRAM
Blower assembly
Suction flexible hose
Discharge flexible hose
Liquid pipe A
Compressor
Condenser
Heater unit
Suction pipe
Liquid pipe B
Condenser fun
EQUIPMENT –
Heater And Air Conditioner
7-22
HEATER AND AIR CONDITIONER SYSTEM
CONSTRUCTION AND DESCRIPTION
BLOWER ASSEMBLY AND HEATER UNIT
The following blower assembly and heater unit has been adopted to increase air volume, reduce noise,
improve air-conditioning performance, as well as improve the car interior air environment.
D
Installation of two-ray blow full air mix heater
D
Incorporation of heater and cleaning unit
D
Increase in the outside air intake duct area size of the blower assembly and optimization of the
shape
D
Improvement of heater performance using an in-air mixing dumper
Heater core
Air mix door
Intake duct
Inside and outside air
changeover damper
Blower assembly
Heater unit
In-air mixing
dumper
Blower motor
Motor for inside/outside
air changeover damper
Resistor
Air thermometer sensor
Evaporator
(Cooling unit)
Outlet air changeover damper
EQUIPMENT –
Heater And Air Conditioner
7-23
Two-Ray Blow Full Air Mix Heater
In the heater unit, there are two rays of air;one which passes
through the heater core, and air which does not pass through
the core. One air mix door is used for temperature control.
The two-ray blow full mix heater with low ventilation resistance
has increased air volume and has reduced noise.
CONDENSER
The heat exchange efficiency has been improved with the
adoption of a sub-cooling type condenser added with a
sub-cooled section. The reduction of line unions by
incorporating the condenser and receiver has reduced a
possibility of gas leakage and has increased service
performance.
COMPRESSOR CLUTCH WITH TEMPERATURE FUSE
When the compressor is locked, friction heat generated by
the contact of the compressor and the rotor melts the
temperature fuse incorporated into the field core and causes
the compressor clutch to be disengaged so that the
compressor clutch with temperature fuse can prevent the
drive belt from being damaged.
Air flow not
passing
through
heater core
Air flow passing
through heater
core
Heater core
Air mix door
Evaporator
Con-
denser
Vapor fluid separation device
Sub-cooled
section
EQUIPMENT –
Heater And Air Conditioner
7-24
HEATER AND AIR CONDITIONER CONTROL
Adoption of the following heater and air conditioner control has improved operation performance and
visual observation.
D
Installation of dial type switch
D
Incorporation of rear window defogger switch with timer
D
Improved appearance by incorporating the center panel
Outlet changeover
switch
Blower switch
Temperature
adjustment switch
Rear window defogger
switch
Inside/outside air
changeover switch
Air-conditioner switch
VENTILATION SYSTEM
DESCRIPTION OF STRUCTURE AND OPERATION
The adoption of the following mechanism has increased air volume for ventilation and has achieved
a ventilation system for defogging windows.
D
Increasing the outside air intake duct area
D
Increasing the size of air outlet on the back of the rear bumper
D
Installation of blower type defroster
To windshield
(Defroster)
To front door window
(Side defroster)
Side ventilator
To driver seat
footwell
To front door window
(Side defroster)
Blower type defroster
Side ventilator
To passenger
seat footwell
Centre ventilator
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