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Remote controller
Indoor unit
Control contents of remote controller
• ON/OFF (Air conditioner/Air purifier)
• Operation select (COOL/HEAT/AUTO/DRY)
• Temperature setup
• Air direction
• Swing
• Air volume select (AUTO/LOW/LOW+/MED/MED+/HIGH)
• Sleep mode
• ON timer setup
• OFF timer setup
• High power
• 8˚C heat operation (-ND model only)
Indoor unit control
• Command signal generating function of
indoor unit operation
• Calculation function (temperature calculation)
• Activation compensation function of indoor fan
• Cold draft preventive function
• Timer function
• Indoor heat exchanger release control
• Indoor fan motor
• Louver motor
Outdoor unit
Outdoor unit control
• Compressor speed control of inverter output
• Waveform composite function
• Calculation function
(Temperature calculation)
• AD conversion function
• Quick heating function
• Delay function of compressor reactivation
• Current release function
• GTr over-current preventive function
• Defrost operation function
• Compressor
• Outdoor fan motor
• 4-way valve
• Pulse motor valve
(P.M.V.)
• Freeze prevention
heater
(-ND model only)
Signal receiving
Indoor unit control
Operation command
Serial signal send/receive
Selection of
operation conditions
ON/OFF
Serial signal send/receive
Outdoor unit control
Inverter
~
Item
1. Basic
operation
Operation flow and applicable data, etc.
1. Operation control
Receiving the user’s operation condition setup, the operation statuses of indoor/outdoor units are
controlled.
1) The operation conditions are selected by the remote controller as shown in the below.
2) A signal is sent by ON button of the remote controller.
3) The signal is received by a sensor of the indoor unit and processed by the indoor controllers as
shown in the below.
4) The indoor controller controls the indoor fan motor and louver motor.
5) The indoor controller sends the operation command to the outdoor controller, and sends/
receives the control status with a serial signal.
6) The outdoor controller controls the operation as shown in the left, and also controls the com-
pressor, outdoor fan motor, 4-way valve and pulse motor valve.
Description
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