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E39 series BMW 5

since 1996-2001 of release

Repair and car operation


E39 BMW
+ Introduction
+ Maintenance instruction
+ Current leaving and service
+ Engine
- Systems of cooling, heating
   + cooling System
   - Heater
      Removal and control unit installation by a heater or conditioner
      Removal and installation of the sensor of temperature of the control unit by a heater
   + air Conditioner
+ 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

Heavy Metal & Reflected

Heater

General information

1 — the heater fan
2 — a bolt
3 — a final step of the fan
4 — the air temperature sensor in salon
5 — the sensor of temperature of the heating device
6 — a vacuum hose, black
7 — consolidation of accession of external air
8 — a ventilating branch pipe
9 — a cable of a drive of a zaslonka
10 — a cable
11 — a fan cover
12 — the deflector of the heating channel
13 — a clip
14 — a bolt
15 — the heating fan
16 — a cover of heating elements

17 — the deflector of the heating channel
18 — a drive cable:
region of feet:
  And - green,
   With - green
defrosting:
   And - red,
   With - red
ventilation:
   And - dark blue,
   With - dark blue
19 — a drive of provision of a zaslonka
20 — the printed-circuit board
21 — a peak
22 — the handle of distribution of a stream
23 — the handle of installation of temperature

External air for heating is sucked in through soaking-up lattice of the case of the air filter being under a windscreen, and the fan moves in car salon. Thus air passes through a heater box, and from there through separate nozzles arrives in salon.

Management of a stream of air is carried out by the zaslonka actuated by cables. If the heater is established in the warm mode ("heat"), the stream of air goes through a radiator. The radiator is in a box of a heater and is warmed with hot cooling liquid.

The passable stream of air heats up as a result of contact with plates of a radiator and arrives in salon. Thermal productivity is regulated by a stream of cooling liquid for what the system has two electromagnetic valves in a contour of system of cooling.

Regulation of air temperature is carried out by the rotary handle, separately for the right and left half of salon. The electronic device in the control unit operates time of opening of cranes of a heater depending on temperature in salon. The sensor of temperature is located behind a heater box. Thanks to electronic regulation air temperature is supported close to a constant, irrespective of speed of the car and external temperature.

For strengthening of a thermal stream the heating fan having smooth regulation serves.