The climate control system is designed to regulate the temperature in the vehicle interior and to ventilate it. The ventilation and heating system of the car interior is a supply and exhaust system, while the temperature of the heated liquid of the engine cooling system is used for interior heating.
The climate control of Opel Astra and Zafira cars, depending on the configuration, is only a heating system or a heating and air conditioning system. Climatic units with air conditioning system, equipped with a filter for the air entering the passenger compartment (see «Astra air conditioner filter - replacement» or «Zafira air conditioner filter - replacement»).
To remove the air conditioner (e.g. for replacing radiators in heating and air conditioning systems) Removal of the instrument panel is required, and if there is an air conditioning system, its depressurization is also required. Therefore, it is better to entrust the performance of these works to a specialized service, where there is the necessary special equipment. The book describes only those jobs that do not require special skills and equipment.
The air conditioning system uses R 134a refrigerant.
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