| caution | - Overcharging refrigerant may cause an abnormal refrigerant pressure, thus damaging the air-conditioning system. Meanwhile, insufficiently charged refrigerant may cause insufficient cool air. To avoid these, always observe the specified amount of refrigerant.
- Always keep away thermal ignition sources, electrical sparks or flame impact from the refrigerant. In the presence of flame, refrigerant forms a poisonous gas. Keep the area well ventilated.
- The refrigerant should be recovered according to a specified procedure. Never release it into the atmosphere.
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