Mazda RX-8 2004 - A;C Unit Construction;Operation; Air MIX Door Operation

BASIC SYSTEM
07–11–4
A/C UNIT CONSTRUCTION/OPERATION
CHU071161130S01
Construction
• An A/C unit with integrated cooling and heater units has been adopted.
— Evaporator
— Heater core
— Expansion valve
— Air mix door
— Airflow mode door
— Evaporator temperature sensor
— Resistor (blower motor)
— Air mix actuator
— Airflow mode actuator
— A/C amplifier
Air Mix Door Operation
• The air mix door, installed in the A/C unit, controls HOT or COLD positions, depending on the position of the
temperature control dial. As a result, the airflow distribution changes, and the airflow temperature is controlled.
RESISTOR
(BLOWER
MOTOR)
A/C AMPLIFIER
AIR MIX ACTUATOR
HEATER CORE
AIRFLOW
MODE MAIN LINK
AIRFLOW
MODE DOOR
AIRFLOW
MODE
ACTUATOR
EVAPORATOR
EXPANSION VALVE
EVAPORATOR
TEMPERATURE
SENSOR
AIR MIX
DOOR
AIRFLOW
MODE DOOR
CHU0711S008
[COLD]
[HOT]
HEATER CORE
EVAPORATOR
AIR MIX
DOOR
AIR MIX DOOR
CHU0711S009