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• Ensure that the power supply is suitably
protected by a special circuit with air breaker.
The air conditioner automatically starts or stops
according to requirements. Do not switch the
air conditioner on and off too often as this can
damage the appliance. This may cause an
electric shock or injury.
INSTRUCTIONS FOR USE
The Principle and Special Functions of Cooling Mode
Principle:
The air conditioner absorbs heat from indoor air and discharges it outdoors, thus lowering the indoor
room temperature. Cooling capacity decreases with a rise in outdoor temperatures.
Anti-freeze Function:
Frost may appear on the surface of the indoor heat exchanger if the air conditioner is running under low-
temperature cooling mode.
When the temperature of the indoor heat exchanger drops to 0° or below the outdoor unit
microcomputer will bring the compressor to a standstill to protect the complete unit.
The Principle and Special Functions of the Heating Mode
Principle:
• The air conditioner absorbs heat from outdoor air to transmit indoors thus increasing the room
temperature. Heating capacity decreases with a reduction in outdoor temperatures.
• This type of hot air circulating system can increase indoor temperatures very quickly.
• Use this air conditioner with other heating equipment when outdoor temperatures are extremely low.
Defrost:
• The outdoor unit heat exchanger may frost when the outdoor temperature is low, humidity is high and
the air conditioner has been running for some time, resulting in inefficient heating. In this case, the
appliance automatically defrosts and heating is suspended for 6~10 minutes.
• Both the indoor fan and outdoor fan are brought to a standstill during auto defrost.
• An indicator light on the indoor unit flashes and mist might flow from the indoor unit during defrost.
This is a result of rapid defrosting and is quite normal.
• Heating mode is automatically resumed on completion of defrost process.
Anti-cold Air Function:
Under heating mode, if the indoor heat exchanger fails to reach a specific temperature under following
statuses, the indoor fan will not be started, so as to avoid blowing of cold air (within 3 minutes): 1. Start of
heating mode; 2. End of auto defrost.
Possible causes of failure of the air conditioner to function.
A safety device may be activated in the temperature range as specified below, so that the unit might be
stopped.
Outdoor temperature
over 24°C
Heating
Outdoor temperature
Mode
below -7°C
Room temperature
over 27°C
If the unit is left in cooling or dehumidify mode when the relative humidity is above 80% (door and
windows open), dew may form from the air outlet
• Do not cut or damage the external cable. Any
damaged external cable must be replaced by
qualified electricians.
Outdoor temperature
over 43°C
Cooling
Mode
indoor temperature
under 21°C
26
Room
Dehumidify
temperature
mode
under 18°C
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