461
AIR
CONDITIONING
20 ± 3 18 ± 3 16 ± 3 13 ± 3 11 ± 3 9 ± 3
3 ± 0.3
14.5 ± 2 17.6 ± 2 20 ± 2 21.4 ± 2 23.6 ± 2 25.2 ± 2
2.4 ± 0.2 2.5 ± 0.2 2.8 ± 0.2 3 ± .02 3.5 ± .02
23 ± 2 22.5 ± 2 20 ± 2 17 ± 2 15.5 ± 2 14.5 ± 2
3.8 ± 0.2 3.6 ± 0.2 3.5 ± 0.2 3.1 ± 0.2 3 ± 0.2 2.9 ± 0.2
24.5 ± 2 21.5 ± 2 18.5 ± 2 17 ± 2 15.5 ± 2
4± 0.2 3.8 ± 0.2 3.5 ± 0.2 3.2 ± 0.2 3 ± 0.2
21.5 ± 2 22.5 ± 2 20 ± 2 18 ± 2 16.5 ± 2 15.6 ± 2
3.2 ± 0.2 3.3 ± 0.2 3 ± 0.2 2.8 ± 0.2 2.6 ± 0.2
CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM
ALL TYPES
CHECKING PRESSURES
TOOLS - 1 charging station. - 2 thermometers.
Once the preliminary conditions, vehicle equipment and checks
have been fulfilled (see table) : After the air conditioning has been
on for three minutes, record the following parameters :
CHECK - The temperature of the air coming from the central vents (see table).
- The High Pressure. - The Low Pressure.
Compare the values recorded with the table below, or the graphs.
Ambient temperature in °C
40 35 30 25 20 15
Vehicles
Engines
SAXO
C3
All types
All types
High pressure (Bars)
Low pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
TU
XSARA
EW
DW
Vehicle using R134.a fluid (Compressor with variable capacity)
25.5 ± 3 20.5 ± 3 18 ± 3 20 ± 3 13.5 ± 3 11 ± 3
4 ± 0.3 3.5 ± 0.3 3 ± 0.3
25 ± 3 22.5 ± 3 20 ± 3 17 ± 3 15 ± 3
4 ± 0.3 3.5 ± 0.3 3 ± 0.3
TU
EW
DW
XSARA
PICASSO
High pressure (Bars)
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