GM-820A-Dual A/C SYSTEM MAINTENANCE CENTRE-DUAL
12
Notice: it
’s normal for that there have action sound of the solenoid valve during the working
process. Please do not stop it. The used oil can be drained out automatically.
Warning: In case of sudden power failure or accidental termination during the Flushing-Recovery
process, please re select the Flushing-Recovery function. The cleaning time can be set shorter and
then run again. It is important not to operate other functions.
6) Recovery/Recycling
A.
By this function, it will recover the refrigerant remained in the A/C system.
B.
Operations:
B-1: Select the Recovery Function
and press the ENTER key.
B-2: Press the ENTER key to start.
B-3: After
recovery over, it’ll drain the used oil automatically.
C.
When finished, it will discharge the separated used oil, and then stop automatically.
7) Vacuum
A. By this function, it will clean the water vapor out from the A/C system.
B. It should be more than 15 minutes. Generally, it needs 15 minutes at least for the air conditioning only
with front wind and 20 minutes for with the front and rear wind.
C. Operations:
C-1: Select the Vacuum Function
and press the ENTER key.
C-2: Set the vacuum time.
C-3: Press the ENTER key to start.
D. When fi
nished, it’ll stop automatically.
8) New oil adding
A. It must be able to do after vacuum process.
B. Pour new oil into the new oil bottle.
Note:
1) Add new oil more 20ml than the used oil drained out to avoid the air into the air
conditioning system.
2)
Pour the new oil into the corresponding oil bottle.
PAG oil into the PAG bottle and POE oil into the
POE bottle. The two types of oil cannot be mixed, otherwise it will cause damage to the air
conditioning system. Please check the vehicle technical manual or label, do not add the wrong
type!
3)
If a non-vacuum state is detected, the function cannot be run.
C. Operations:
C-1: Select the New oi adding Function
and press the ENTER key.
