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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Hyundai Elantra (from 2000 to 2004, the year of issue)

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Hyundai Elantra
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Hyundai
Elantra
Gasoline engines 1.6, 1.8 and 2.0 liters
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Body
The air conditioning system
Technical data
Instructions for use of the refrigerant
Remarks at replacement of elements of the air conditioning system
Merging an air-conditioning system
Safety measures
Setting gauges for pressure measurement
Discharge the air conditioning system
The evacuation of air from the air conditioning system
Connecting the exhaust valve to the cylinder with the refrigerant
Charge air-conditioning system
Verification performance
Oil for air conditioning compressor
Check and adjust the tension of V-ribbed belts
Air conditioning compressor
Bushing clutch pulley and the air conditioning compressor
The excitation coil clutch
Checking clutch clearance
Blower, and relay
Receiver Drier
Triple Sensor (double) Pressure
Block heating and ventilation
Fan
Air filter
Damper actuator supply fresh / recirculated air
Check the fan motor
Relay test
Electrical equipment
Electrical diagrams
 


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The air conditioning system



Technical data

Data
Value
The maximum heating capacity kcal / h
4500
The maximum cooling capacity kcal / h
4100
Compressor

- type

HS-15

- Performance, see 3

140-160
Safety valve

- Working pressure, kg / cm 2

35,0-42,2

Is the pressure closing kg / cm 2

min. 28.1
Magnetic Coupling

- Power consumption, W

54

- Maximum torque kg ??? m

4.4
Triple Sensor Pressure

- High pressure, kg / cm 2

OFF: 32, DIFF: 26

- The average pressure in kg / cm 2

OFF: 14, DIFF: 18

- Low pressure, kg / cm 2

OFF: 2,0, DIFF: 2,25
Refrigerant

- type

R134a

- Weight, g

600 ? 25

general information

Driven by the engine of a vehicle compressor compresses refrigerant gas to a high pressure, wherein the refrigerant temperature is significantly increased. The compressed and heated refrigerant is fed to a condenser mounted on the radiator of the cooling system. The condenser cools the gaseous refrigerant that is liquefied. Liquid refrigerant enters the receiver / dryer where him apportion water, then feeds the liquid to the evaporator located in a block heater in the car. In the evaporator, the liquid refrigerant evaporates, turning into a gaseous state, and reduces the temperature of the air entering the cabin. Further, refrigerant gas enters the compressor and the cycle repeats again.

C relay circuits controls the condenser fan and compressor. Relay control is carried out the engine control unit. If the coolant exceeds a certain temperature, the engine control unit switches off the relay, causing the air conditioning system is switched off. When starting the engine or the acceleration of the car engine control unit turns off the relay, causing the air conditioning system is switched off for 5 seconds.

The fan blows air through the evaporator core, thereby increasing the flow of cooled air supplied to the interior of the vehicle. The fan speed is determined by the position of the fan switch and resistor unit.

The conditioner compressor is a primary element of the air conditioning system. If the air conditioning compressor fails, there is no compression and displacement of the refrigerant circuit for the air conditioning system. The conditioner compressor is driven by a belt from the crankshaft pulley.

Clutch air conditioner compressor includes a compressor. The clutch is an electromagnetic control.

The condenser is installed in front of the radiator. Condenser fan increases the airflow through the condenser.
Fan unit / evaporator comprises a fan motor, air conditioner switch, the core of the evaporator and the expansion valve.

The core of the evaporator functions as cooling and air drying. Upon cooling, the air moisture in the air is deposited on the evaporator and into the vehicle enters the cooled air dry.

Expansion valve allows liquid refrigerant under high pressure expand, entering the evaporator. Valve allows a certain amount of liquid coolant to prevent flooding of the evaporator.

The dehumidified air can be reheated while passing through the heater matrix. Radiator heater heats passing through the hot coolant.

The receiver / drier for receiving liquid refrigerant from the condenser, where it is removed from the water and then the refrigerant flows to the evaporator.

The air conditioning system filled with refrigerant R-134a.





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