BMW 5 series E39

Since 1996-2001 of release

Repair and car operation



BMW E39
+ Introduction
+ The maintenance instruction
+ Current leaving and service
+ The engine
- Systems of cooling, heating
   + Cooling system
   + Heater
   - Air conditioner
      Conditioner work
+ The power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electric equipment schemes
+ System of onboard diagnostics



Air conditioner

The general data

 

1 — the fan
2 — the evaporator
3 — a throttle
4 — service joining of low pressure
5 — service joining of a high pressure
6 — a dehumidifier
7 — the condenser
8 — the compressor

And — external air of cooling
The condenser
b — нагретый air, arrives in
Environment
With — not cooled air, arrives
Through the heater fan
d — cooled air, arrives in salon
And — a high pressure (gas)
In — a high pressure (liquid)
With — low pressure (liquid)
D — low pressure (gas)

By means of the conditioner air temperature in car salon can be lowered иже external temperature. At completely automatic system in salon the established temperature is supported. Thus distribution and quantity of air is regulated by the electronic device irrespective of speed of the car. For this purpose electronic gauges hand over to the electronic device the information on temperature of external air and air in salon. Management air заслонками and the fan of giving of external air is carried out by servomotors. Possible malfunctions in the block of management or gauges and executive powers register in memory of malfunctions. By means of the special device memory contents can be считано.