Daewoo Nexia

since 1994 of release

Repair and car operation

Deu Neksiya
+ Maintenance instruction
+ Maintenance
+ Engine
+ 3. Engine (two top camshafts)
+ cooling System
+ Toplevnaya and exhaust systems
+ Electric chain
+ 7. Ignition system
+ 8. Electronic control unit and sensors
+ Transmission
+ 10. Five-speed transmission and main RPO MM5 broadcast
+ 11. Automatic Transmission
+ Steering
+ Running gear
+ 14. Forward suspension bracket
+ 15. Drive of forward wheels
+ 16. Back suspension bracket
+ Brake system
+ Body
- Heating, ventilation
   19.2. Air central air
   19.3. Diagnostics of malfunctions
   19.4. Features of the conditioner
   19.5. Work of central air of air
   + 19.6. Management of air central air
   19.7. Relay and switches
   + 19.8. Diagnostics of malfunctions
   + 19.9. Maintenance
   + 19.10. Removal and installation of knots of central air of air
   19.11. The V-5 compressor – the work description
+ Electric equipment

19.2. Air central air

GENERAL INFORMATION

When using in central air of air of a coolant of HFC-134a (by the special order).

The coolant of HFC-134a (R-134a) is applied in common with the special PAG refrigerating oil intended for greasing of knots of a friction of the refrigerating unit. This coolant is not compatible to a coolant of CFC-12 (R-12) and mineral oils. It is forbidden to use coolant R-12 and lubricant oils on a mineral basis in central airs of air (KB) working at a coolant of HFC-134a (R-134a). It is forbidden to apply to these KB systems also the service equipment intended for conditioners, filled with coolant R-12. Otherwise the conditioner or the service equipment will fail. For service of conditioners of air where coolant R-134a is used, it is necessary to apply only the equipment corresponding to requirements of the SAE J2210 standard.

Prevention

Contact to pairs and air suspensions of a coolant and refrigerating oil can lead to irritation of a mucous membrane of eyes, a nose and a throat. Avoid steam inhalation and suspensions of a coolant and refrigerating oil. At casual leakage of a coolant from KB system air a working room before continuing work. The conditioner of air working at coolant R-134a, and the corresponding service equipment is forbidden for checking on tightness by means of the compressed air.

The air mix with coolant R-134a at an elevated pressure is inflammable and can blow up. Heavy traumas of people and a big material damage are thus possible. Never check by means of the compressed air the service equipment and the conditioners of air filled with coolant R-134a.
Additional security measures are given in documentation of manufacturers of coolants and oils for air conditioners.