Climate Control System
Can you imagine life before the car had all those little gadgets on the dashboard and wheel? Now imagine that car without air conditioning. Frightening, isn't it? You'd have to resort to using those handheld
conversion kits.
Manual V. Automatic
* Manual systems run simply by turning the climate control system on and switching the knobs to the desired temperature and
fan speed. When you turn the knobs it either opens or closes the valve doors to control the airflow.
* Automatic systems adjust the temperature based on its sensor readings and the setting you selected. The heating and cooling are inter-connected. Some newer cars may have multiple heat settings per passenger side.
Heating
* The heat in the
air distribution valve and by the use of a fan.
Air Conditioning
Air conditioning units in cars are made of different components.
*
refrigerant. The pump sucks up the hot coolant from the evaporator and transfers it to the condenser.
*
Orifice tube: Located between the condenser and evaporator where the liquid converts from hot to cold. This part is not in all cars.
*
Pressure Regulation Devices: Used to determine temperature off refrigerant.
*
Thermal expansion valve: This valve senses temperature and pressure conditions.This part is also not in every system.
*
Receiver/Drier: This part separates the liquid from gas refrigerant. It is also responsible for removing moisture and debris.
*
Accumulator: Only on systems with an orifice tube. It stores any excess refrigerant released from the evaporator.
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