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• Do not repair the appliance by yourself. It may cause electric shock or damage. Please contact a
qualified person when you need to repair it.
• Do not extend fingers or objects into air inlet or air outlet. It may cause personal injury or damage.
• Do not block air outlet or air inlet. It may cause malfunction.
• When below phenomenon occurs, please turn off the appliance and disconnect power immediately,
and then contact a qualified person for service:
- There’s abnormal sound during operation.
- Circuit break trips off frequently.
- The appliance gives off burning smell.
- Indoor unit is leaking.
• Do not use or place any flammable, combustible or noxious substance next to the unit.
• If the appliance operates in an inappropriate environment or under abnormal conditions, it may cause
malfunction, electric shock or fire hazard.
• Keep good ventilation in the room to avoid oxygen deficit.
• Do not step on top panel of outdoor unit, or put on heavy objects. It may cause damage or personal
injury.
• When the unit is not to be used for a long time, please cut off the main power supply of the unit.
• Before turning the unit off, make sure it has run for a minimum of 5 minutes; otherwise its service life
will be shortened.
WARNING
Wiring
• Installation must be performed by a qualified person. Otherwise, it may cause personal injury or
damage.
• Must follow the electric safety regulations when installing the unit.
• According to the local safety regulations, use qualified power supply circuit and circuit breaker.
• Install a circuit breaker of adequate capacity only used for the system; otherwise, it may cause mal-
function.
• An all-pole disconnection switch having a contact separation of at least 3 mm in all poles should be
connected in fixed wiring.
• The appliance should be properly grounded. Incorrect grounding may cause electric shock.
• Make sure the power supply matches with the requirement of the appliance. Unstable power supply
or incorrect wiring may cause malfunction of the unit, electric shock or fire hazard.
• Properly connect the live wire, neutral wire and grounding wire.
• Be sure to cut off the power supply before proceeding any work related to electricity and safety.
• Do not turn the power on before finishing installation.
• If the power supply or signal control wires are damaged, it must be replaced by a qualified person
in order to avoid problems.
• During installation, the communication cable and the power cord must not be twisted together but
instead separated with an interval of at least 2 cm, otherwise the unit is likely to run abnormally.
• The temperature of refrigerant circuit will be high, please keep the interconnection cable away from
the copper tube.
