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•  When pressing forced operation switch about 3 seconds, the unit operates in cooling mode at high speed fan

regardless of room temperature and resets in 18 min.

•  During test operation, if remote controller signal is received, the unit operates as remote controller sets.

Test operation will be setted by pushing the “Testkey” in the main P.C.B ASM. Each test operation by pushing
Count of “Testkey” is as well as the following.
(In the case of power cord is plugged and Air Conditioner is not operating.)

• 1 Time push  : Ignore communication error.
• 2 Times push  : Shorten the proceeding time. (1min  

¡

1sec)

• 3 Times push  : Shorten the proceeding time. (1hour 

¡

1sec)

• 4 Times push  : All LED ON
• 5 Times push  : Indoor Fan Check. (Fan : Hi)

Up/Down Step Motor ON.

• 6 Times push  : Right Step Motor ON. (Not on alll Models)
• 7 Times push  : Left Step Motor ON. (Not on all Models)
• 8 Times push  : Negative Ion ON. (Not on all Models)
• 9 Times push  : Reset.

For normal operation after checking by test mode, you should press “Testkey” nine times for resetting or recon-
nect the power cord.

• 1 Time push  : Ignore Communication error.
• 2 Times push  : Comp. ON,

Outdoor Fan ON

Reversing Valve Coil ON

• 3 Times push  : Reversing Valve Coil OFF

Comp. ON
Outdoor Fan ON

• 4 Times push  : Comp. OFF

Outdoor Fan ON

• 5 Times push  : Reset.

For normal operation afterchecking by test mode, you should press “Testkey” five times for resetting or recon-
nect the power cord.

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26

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¡Æ

ƒU

The setting temperature will be raised by 1

¡

30minutes  later and by 2

¡

1 hour later.

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The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.

¡Æ

ƒU

The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.

Intake Air temp.                   

COMP. ON
(SET TEMP.+0.5

¡

) 

COMP. OFF
(SET TEMP. -0.5

¡

)

Morethan

More than

3 minutes

3 minutes

INDOOR FAN

Low

Low

Low

Low

Low

COMPRESSOR

ON

OFF

ON 

OFF

ON

30 minutes

30 minutes

1

¡

1

¡

ƒ¡

18

ƒ¡

Setting Temp. +3

¡

(Compressor OFF) 

Setting Temp.
(Compressor ON)

Indoor Fan

Med.

Med.

Med.

Med.

Med.

Med.

Compressor

ON

OFF

ON

OFF

ON

OFF

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The operation procedure is as following. (Cooling & Heating Model)

ƒN

If initial mode is decided, that mode is continued without the room temperature changing.

ƒN

For cooling operation mode over 24°C setting temperature and fan speed are same as cooling only model.

ƒ

ƒU

U

ƒ¡

19

ƒ¡

Press Start/Stop Button

Select Auto Operation Mode

Check the Room temperature

Operation mode

Indoor fan speed

are automatically decided by Fuzzy rule.

Setting temperature

Intake-air

temperature

Operation Mode

Heating

Soft Dry 

Cooling

Operation Condition 

Intake-air Temperature

Setting temperature

Fan speed 

Air Direction Control

Over 26°C

25°C

Over 24

¡

~below 26°C

Intake air -1°C

Over 22

¡

~below 24°C

Intake air -0.5°C

Over 20°C~below 22°C intake air temperture

below 20°C

20°C

Over 20°C~below 30°C

Fuzzy control

below  20°C

20°C

over 30°C

30°C

below   21

¡

below   

24

¡

~

Over   24

¡

Over   

21

¡

When Auto Operation

initial start

When pressing room  temp-

erature setting button 

during Auto Operation

Controlled

by Fuzzy logic

In this mode, when
pressing the verti-
cal air diretion con-
trol.
Button, louvers
moves to 1/f
rhythm (refer to
page 17)

Intake-Air temp 

Setting Temp. +0.5

¡

(Compressor OFF) 

Setting Temp.-0.5

¡

(Compressor ON)

Indoor Fan

Compressor

ON

ON

OFF

OFF

Fuzzy Speed

ƒ

ƒU

U

The Setting temperature will be same as that of the current intake-air temperature.

- Compressor ON temperature; Setting temperature +1

¡

- Compressor OFF temperature; Setting temperature -0.5

¡

ƒ

ƒU

U

- Compressor ON temperature; Setting temperature 
- Compressor OFF temperature; Setting temperature +3

¡

ƒU

1/f rhythm louver operation : In Auto operation mode, when pressing the vertical air direction control button,
louver moves as following cycle.

ƒ¡

20

ƒ¡

Intake Air temp.

below 20°C 

over 20

¡

~below 21°C

Setting temp.

20°C 

Intake air temp. +0.5°C

21.5¡

20¡

20¡

Intake-Air temp.

Setting temp.

20.5 ¡

21 ¡

MODE0

MODE1

MODE2

MODE3

MODE4

MODE5

MODE6

MODE9

(CLOSED)

End

Start