08 · General

Heating/ventilation

50 Auxiliary unitsHeating/ventilation

HEATING/VENTILATION

page
Diagram showing passenger compartment ventilation1
Heater/air conditioner with manual controls	2
Heater with manual controls	4
- Diagram of heating/ventilation system components, fitted to vehicle	5
Compressor	6
- Operation	7
- Flow control	9
- Lubrication	10
- Maintenance and service operations	11
- Lubricant oil	11
- Electromagnetic clutch	12
- Removing-refitting electromagnetic clutch components	13
- Adjusting clutch clearance	15
Operation of compressor ECU for vehicles with petrol engines	16
- Evaporator temperature sensor	16
- Air conditioner wiring diagram (for petrol engines)	17
Operation of compressor ECU for vehicles with diesel engines	18
- Air conditioner wiring diagram (for diesel engines)	19
Location of air conditioner electrical components	20
CLEANER 134 DEVICE	21
- Main components	21
- Recovery and recycle of coolant from a car system	24
- Discharging vehicle system	26
- Charging vehicle air conditioning system	27
- Checking pressures in vehicle system	28
- Changing filters	28
- Transferring coolant from device dispensing cylinder to a container	29
- Transferring coolant from canister to device dispensing cylinder	30
- Maintenance	33
- Changing oil	33
- List of faults	34

Heater with manual controls	37
Air intake flap control cable	42
Mixer flap control cable	43
Distribution flap control cable	43
Passenger compartment fan speed selection switch	44

page
Heater control support assembly	44
Distributor heater assembly	45
Passenger compartment ventilation fan	54
Passenger compartment ventilation fan speed resistor	55
Heater radiator	55

Compressor	56
Condenser	57
Distribution heater evaporator assembly	59
Mixer and distribution flap control cables	69
Compressor and air recirculation activation switches	70
Passenger compartment ventilation fan speed selection switch	70
Control support assembly	71
Air intake flap electrical activator	72
Passenger compartment ventilation fan speed resistor	72
Passenger compartment ventilation fan	73
Compressor function regulation ECU	73
Three stage pressure switch	74
Dehydrating filter	74
Heating/ventilation control unit	75
Line connecting air conditioner to condenser
Line connecting condenser to dehydrating filter	76
Line connecting dehydrating filter to line connected to expansion valve	76
Line connecting evaporator to compressor	77
Radiator and condenser cooling fans	78
Compressor specifications	78
Setting two-stage heat switches	78
Setting pressures for three-stage pressure switch	79
Characteristics of additional resistor	79
Antipollen filter	80
Discharging-recharging air conditioning system (*)	81
Compressor (*)	81
Condenser (*)	87
Dehydrating filter (*)	89
Lines connecting the various air conditioning components (*)	91
Compressor specifications (*)	94

(*) For versions [turbo badge] turbo

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