● Filling the refrigerant
1.
Use the refrigerant filling appliances specialized for R32. Make sure that the
differ ent kinds of refrigerant won’t contaminate with each other.
2. The refrigerant tank should be kept upright at the time of filling refrigerant.
3. Stick the label on the system after filling is finished (or hacen't finished).
4. Don't overfilling,
5. After filling is finished, please do the leakage detection before test
running:another time of leak detection should be done when it’s removed.
● Safety instructions for transportation and storage
● Welding
1. If you should cut or weld the refrigerant system pipes in the process of
maintaining, please follow the steps as below
a. Shut down the unit and cut power supply
b. eliminate the refrigerant
c. vacuuming
d. clean it with N2 gas
e. cutting or welding
f. carry back to the service spot for welding
2. The refrigerant should be recycled into the specialized storage tank.
3. Make sure that there isn't any naked flame near the outlet of de vacuum pump
and it’s well-ventilated.
1. Please use the flammable gas detector to ckeck before unload and open the
container.
2. No fire source and smoking.
3. According to the local rules and laws.
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