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another time of leak detection should be done when it’s removed.
● Safety instructions for transportation and storage
container.
3. According to the local rules and laws.
● Welding
1. If you should cut or weld the refrigerant system pipes in the process of maintain-
ing, 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 N
2
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.
and it’s well-ventilated.
● Filling the refrigerant
fer-
ent kinds of refrigerant won’t contaminate with each other.
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