GM-820A-Dual A/C SYSTEM MAINTENANCE CENTRE-DUAL
11
Vacuum
Timing vacuum.
Supply Refrigerant
Transfer the refrigerant into the
equipment tank.
New oil adding
Fill the new oil into A/C system.
System function
Supply,Parameter
setting,Exchange filling
tank,Change refrigerant type
Recharging
Recharge quantitative.
Equipment info
System info,Servicer info,
Equipment info.
Auto. Mode
Automatically all the process.
Help
Descriptions of the alarming
code.
5) Flushing-Recovery
A. By this function, it will be able to clean out the refrigerant oil and oil sludge to exchange the refrigerant
entirely to improve the performance of compressor. And also it will recover the refrigerant remained in
the A/C system.
B. Before flushing the pipeline of automotive A/C system, please turn on A/C system and run it for 5 to 10
minutes. And set it as the lowest temperature and medium wind.
C.
Turn off the automotive air conditioning.
Warning: do not start the air conditioning during the flushing process! Otherwise, it easily
causes damages to the air-conditioning and risk of accident!
D. In order to achieve good flushing performance, the flushing time should be more than 20 minutes.
General: the cleaning time for single-evaporator is 20 minutes, and that for double-evaporator is about
30 minutes. The longer the cleaning time, the better the cleaning effect.
Note: The flushing time does not include the time of recovery process. Once the flushing is
finished, the machine will run the recovery function automatically.
E. Operations:
E-1: Select the Flushing Function
and press the ENTER key.
E-2: Set the flushing time.
E-3: Press the ENTER key to start.
F. During the working, it can automatically carry out forward, reverse and pulse cleaning, and
automatically discharge the used oil separated from the cleaning into the old oil bottle.
G. After the cleaning process, it will automatically recover the refrigerant. According to the ambient
temperature and the structure of the A/C system, the recovery process will last for 10-30 minutes.
Please do not manually terminate the work.
H. When
finished, it’ll stop automatically. And it will discharge the separated used oil again, and then shut
down automatically and give a prompt.
