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1. Repair work safety precautions (please follow below precautions before maintenance)
DANGER
• Do not use open flames indoor or smoke during reqairing.
• Do not perform welding in poorly ventilated and confined areas
• Do not have children nearby when reparing
WA R N I N G
•Always unplug the power cord first before carrying out maintenance
Otherwise, it may result in electric shock and injuries.
•Please be careful not to get electric shock during reparing.
Unplug the power cord before maintenance. If needs to check the circuit while the
power is on,do not touch the live electrical parts! If electric wires are damaged, it
must be replaced by qualified technician in time.
• Use original parts which shown in the part list, do not use parts from other models
or other brands, never modify the parts
• Use appropriate maintenance tools, improper use of tools may cause insecure
assembly
• If wires are cut during maintenance. Remember to reconnect the wire and seal with
insulating tape
•When discharging the refrigerant, make sure the room is in good ventilation
condition.
•When cutting off the compressor pipes, pay attention to the remaining refrigerant
and internal pressure.
• After maintenance finished, use multimeter to check the insulation, makesurethe
insulation resistance is over 2 MΩ before connecting to power.
•After repair, it is necessary to check whether the grounding is in good condition