Great Wall hover, Service Manual

Page: 369 / 425

CD Player and Air Conditioning System-16
refrigerant reservoir
high-pressure pipe
low pressure
high pressure
yellow
red
blue
on
on
low-pressure pipe
When judging the injection volume of the refrigerant, please make the settings based on the following working conditions:
Water tank temperature of the engine: stable
Speed of the engine: normal free running speed
Switch of air conditioner: ON
Switch of the fan: “High” gear
Temperature controller: air return temperature inside the car is between 25 and 30 .
Fresh air control: internal circulation
Door: all opened
Window: all opened
Repair and replacement of pipeline
a. Before installation of parts and components, the negative pole of the accumulator must be disconnected.
cut off
b. When the air entries of the refrigerating system, water tank of the engine and the air conditioner are opened, please make sure that
all openings are capped to prevent the penetration of the dust, foreign matters or water.
p
rotective cap protective cap
protective cap must be installed.