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[2] Operation in each Mode
(1) Cooling Operation
YES
NO
YES
YES
NO
NO
1. Inverter output 0Hz
2. Indoor unit LEV, Subcool coil
bypass LEV fully closed
3. Solenoid valve OFF
4. Outdoor unit fan stop
1. Inverter frequency control
2. Indoor unit LEV control
3. Solenoid valve control
4. Outdoor unit fan control
Cooling operation
4-way valve OFF
Indoor unit fan
operations
Test run start
Thermostat ON
Normal operations
Test run
Stop
3-minute
restart
prevention