Mitsubishi MOTORS Lancer 2004, Workshop Manual

Page: 607 / 638

ON-VEHICLE SERVICE
HEATER, AIR CONDITIONER AND VENTILATION
55-73
PERFORMANCE TEST
M1552001400355
1. The vehicles to be tested should be in a place that
is not in direct sunlight.
2. Close the high and low-pressure valve of the
gauge manifold.
3. Connect the charging hose (blue) to the
low-pressure valve and connect the charging
hose (red) to the high-pressure valve of the gauge
manifold.
CAUTION
•
To connect the quick joint, press section A
firmly against the service valve until a click is
heard.
•
When connecting, run your hand along the
hose while pressing to ensure that there are
no bends in the hose.
4. Install the quick joint (for low-pressure) to the
charging hose (blue), and connect the quick joint
(for high-pressure) to the charging hose (red).
NOTE: The high-pressure service valve is on the
A/C pipe and the low-pressure service valve is on
the suction hose.
5. Connect the quick joint (for low-pressure) to the
low-pressure service valve and connect the quick
joint (for high-pressure) to the high-pressure
service valve.
6. Start the engine.
7. Set the A/C controls as follows:
•
A/C switch: A/C
−
ON position
•
Mode selection: FACE position
•
Temperature control: MAXIMUM COOLING
position
•
Air selection: RECIRCULATION position
•
Blower switch: "4" (Fast) position
8. Keep engine speed to idling speed with A/C clutch
engaged.
9. Engine should be warmed up with doors and all
windows opened.
10.Insert a thermometer in the centre air outlet and
operate the engine for 20 minutes.
NOTE: If the clutch cycles, take the reading before
the clutch disengages.
11.Note the discharge air temperature.
Performance Temperature Chart
AC001388
Low-pressure
valve
High-pressure
valve
Gauge manifold
Charging
hose (red)
A
Sleeve
Charging
hose (blue)
Adaptor valve
(for low-
pressure)
Low-
pressure
service
valve
High-
pressure
service
valve
AB
Adaptor valve
(for high-
pressure)
AC304576
Thermometer
AB
Garage ambient temperature
°
C 20 25 30 35
Discharge air temperature
°
C 8.0
−
11.0 12.0
−
16.0 17.0
−
21.0 22.5
−
27.5
Compressor high pressure kPa 740
−
840 950
−
1,050 1,160
−
1,300 1,360
−
1,550
Compressor low pressure kPa 150
−
190 190
−
240 240
−
300 300
−
375