Check Refrigerant System With Manifold Measurement Unit - Chery QQ Service Manual

determined and make-up the same amout of oil.
Warning: if refrigerant HFC-134a R-134a splashes into eyes, you should go to
hospital for treatment quickly.
It is not permissible to wipe your hurted eyes, but to wash them with a large amount
of clean cold water to make the temperature of your hurted parts rise to the freezing
point.
Must go to see doctors or ophthalmology professors for treatment. If HFC-134a
R-134a liquid splashes on skin, the hurt should be treated in the same way as the
frostbite treatment.
Section 10 Check Refrigerant System with Manifold
I. This method serves to confirm the fault position with manifold
measurement unit
Read the manifold pressure meter when the system reaches the following status:
1 set the switch on the circular position , the supplying air temperature is 30-35
2 the engine runs in 1500r/min.
rotate speed control switch of supply fan at high speed.
3 set the
4 set the temperature control switch at the position where the cold air is most
sufficient.
Note It should be indicated that the readings of the meter will change slightly
depending on the environment termperature.
1. Refrigeration system works normally
Reading on meter
Low pressure side 0.15-0.25
Chery QQ Service Manual
Measurement Unit
MPa
1.5-2.5kg/cm
148
Chery Automobile Co.,Ltd
2