Checking Pressures - CITROEN 2001 BERLINGO Handbook

ALL TYPES
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 :
Ambient temperature in °C
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)
PICASSO
High pressure (Bars)
Low pressure (Bars)
CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM

CHECKING PRESSURES

Engines
Vehicles
20 ± 3
SAXO All Types
22 ± 3
TU-TUD
27 ± 3
XSARA XU
3 ± 0.3
XUD
3 ± 0.3
25.5 ± 3
TU
EW
4 ± 0.3
XSARA
25 ± 3
DW
4 ± 0.3
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.
Vehicle using R134.a fluid (Compressor with variable capacity)
40 35 30
18 ± 3 16 ± 3
20 ± 3 17 ± 3
3 ± 0.3
24 ± 3 22 ± 3
23 ± 3
20.5 ± 3 18 ± 3
3.5 ± 0.3
22.5 ± 3
3.5 ± 0.3
370
25 20
13 ± 3 11 ± 3
3 ± 0.3
16 ± 3 15 ± 3
2.4 ± 0.3 2 ± 0.3
18 ± 3 17 ± 3
2 ± 0.3
16 ± 3 14 ± 3
2 ± 0.3
20 ± 3 13.5 ± 3
3 ± 0.3
20 ± 3 17 ± 3
3 ± 0.3
15
9 ± 3
11 ± 3
14 ± 3
11 ± 3
15 ± 3