1.Only use the exact refrigerant specified by the compressor manufacturer.
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2.Unless there are a blown or ruptured refrigerant hose, may not need to add oil.
3.Due to the filter-drier may include liquid refrigerant, please slowly screw the fitting cap and avoid contact with exposed skin or eyes.
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4. If you need to charge the refrigerant, please contact the professionals trained maintainer, because the refrigerant contained in the air conditioning system will cause frostbite severe burns or blindness when contact with skin and eyes.
5. Please make sure turn off the power, when you require open the housing to check the internal parts of the air conditioning kits , in order to avoid unannounced starting of the evaporator and condenser fans.
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