Fujitsu ASYA12LCC, ASYB09LDC, ASYA09LCC, ASYA18LCC, ASYB12LDC Service Instruction

SPLIT TYPE
ROOM AIR CONDITIONER

WALL MOUNTED

type

Models Indoor unit Outdoor unit

ASYA07LCC
ASYA09LCC
ASYA12LCC
ASYA14LCC
ASYA18LCC
ASYB09LDC
ASYB12LDC

AOYR07LCC
AOYR09LCC
AOYR12LCC
AOYR14LCC
AOYR18LCC
AOYS09LDC
AOYS12LDC

INVERTER

SERVICE

INSTRUCTION

R410A

CONTENTS

1. SPECIFICATION

ASYA07/09LCC, AOYR07/09LCC...................................................................................

2. DIMENSIONS

ASYA07/09LCC, AOYR07/09LCC...................................................................................

ASYA12LCC, AOYR12LCC.............................................................................................

3. REFRIGERANT SYSTEM DIAGRAM

ASYA07/09LCC, AOYR07/09LCC...................................................................................

ASYA12LCC, AOYR12LCC, ASYB09/12LDC, AOYS09/12LDC.....................................

4. CIRCUIT DIAGRAM

ASYA07/09LCC, AOYR07/09LCC...........................................................................................

ASYA12LCC, AOYR12LCC...............................................................................................

5. DESCRIPTION OF EACH CONTROL OPERATION

1. COOLING OPERATION..............................................................................................

3. DRY OPERATION......................................................................................................

2. HEATING OPERATION..............................................................................................

5. INDOOR FAN CONTROL...........................................................................................

4. AUTO CHANGEOVER OPERATION.........................................................................

7. LOUVER CONTROL...................................................................................................

6. OUTDOOR FAN CONTROL.......................................................................................

9. TIMER OPERATION CONTROL................................................................................

8. COMPRESSOR CONTROL........................................................................................

11. TEST OPERATION CONTROL..................................................................................

10. ELECTRONIC EXPANSION VALVE CONTROL........................................................

13. FOUR-WAY VALVE EXTENSION SELECT...............................................................

12. PREVENT TO RESTART FOR 3 MINUTES(3MINUTES ST )................................

15. MANUAL AUTO OPERATION ( Indoor unit body operation ).....................................

14. AUTO RESTART........................................................................................................

16. FORCED COOLING OPERATION............................................................................

18. COIL DRY OPEARTION CONTROL..........................................................................

17. COMPRESSOR PREHEATING..................................................................................

19. DEFROST OPERATION CONTROL..........................................................................

21. VARIOUS PROTECTIONS.........................................................................................

20. OFF DEFROST OPERATION CONTROL..................................................................

01-01

ASYA12/14/18LCC, AOYR12/14/18LCC......................................................................... 01-02

ASYB09/12LDC, AOYS09/12LDC................................................................................... 01-03

02-01

02-02

ASYB09/12LDC, AOYS09/12LDC................................................................................... 02-03

ASYA14/18LCC, AOYR14/18LCC................................................................................... 02-04

ASYB09/12LDC, AOYS09/12LDC................................................................................... 04-03

ASYA14/18LCC, AOYR14/18LCC................................................................................... 04-04

03-01

ASYA14/18LCC, AOYR14/18LCC

................................................................................... 03-03

03-02

04-01

04-02

05-01

05-02

05-03

05-04

05-05

05-07

05-08

05-09

05-10

05-12

05-12

05-12

05-12

05-13

05-13

05-13

05-13

05-14

05-16

05-17

05-12

6. REFRIGERANT CAUTION -R410A-

1. R410A TOOLS............................................................................................................

3. PRECAUTION FOR SERVICING...............................................................................

2. PRECAUTION FOR INSTALLATION.........................................................................

5. DEFFERENCE FROM CONVENTIONAL MODEL(R22) AND PRECAUTIONS........

4. NEW REFRIGERANT R410A.....................................................................................

7. TROUBLE SHOOTING

1. WHEN THE UNIT DOES NOT OPERATE AT ALL....................................................

3. TROUBLE SHOOTING METHOD

2. SELF DIAGNOSIS FUNCTION..................................................................................

1. EXPLODED VIEW......................................................................................................

2. INVERTER ASSEMBLY SPECIFICATION.................................................................

8. APPENDING DATA

1. JUMPER SETTING OF INDOOR UNIT AND OUTDOOR UNIT................................

3. THERMISTOR RESISTANCE VALUES.....................................................................

4. CAPACITY/INPUT DATA...........................................................................................

2. OUTDOOR UNIT PRESSURE VALUE AND TOTAL ELECTRIC

CURRENT CURVE...................................................................................................

9. REPLACEMENT PARTS

10. INSTALLATION MANUAL

4. SELF-DIAGNOSIS FUNCTION AND CHECKING POINTS.......................................

5. SERIAL SIGNAL DIAGNOSIS....................................................................................

6. IPM PROTECTION.....................................................................................................

7. TROUBLE SHOOTING OF REFRIGERANT CYCLE.................................................

06-01
06-02
06-04
06-05
06-08

07-01
07-02

07-03
07-07

07-08

08-01

08-02
08-08
08-09

09-01
09-16

07-09

1 . SPECIFICATIONS

R410A

WALL MOUNTED type

INVERTER

SPECIFICATIONS

TYPE

(COOL&HEAT INVERTER) (COOL&HEAT INVERTER)

INDOOR UNIT

ASYA07LCC ASYA09LCC

OUTDOOR UNIT AOYR07LCC AOYR09LCC

COOLING CAPACITY( ) : Range

(kW) 2.1 (0.5~3.0) 2.6 (0.5~3.6)

HEATING CAPACITY( ) : Range (kW) 3.0 (0.5~4.6) 3.6 (0.5~5.3)

POWER SOURCE

(V) 230

FREQUENCY

(Hz)

50

RUNNING CURRENT (A)

COOLING 2.5

3.2 4.0

0.845 (0.25~1.96)0.845 (0.25~1.76)

3.2

HEATING

INPUT WATTS (kW)

COOLING 0.47 (0.25~1.08) 0.655 (0.25~1.18)

HEATING

EER (kW/kW)

COOLING 4.47 3.97

4.55 4.26

1.3

HEATING

MOISTURE REMOVAL 1.0

AIR CIRCULATION-Hi (m3/hr) C 595 H645 C 595 H645

ELECTRICAL DATA

COMPRESSOR

Note : Always use a vacuum pump to purge the air.

Refrigerant for purging the air is not charged in the outdoor unit at the factory.

DIMENSIONS

TYPE Hermetic type,4 pole, 3 phase , DC inverter motor, Rotary

DISCRIMINATION DA 89 X 1F-20F

REFRIGERANT R410A

(g)

(r.p.m.)

(r.p.m.)

900

900

POWER SOURCE (V) 230

HI-SPEED

MED-SPEED

INDOOR UNIT

LO-SPEED

QUIET

C 1,300 H 1,390

C 1,120 H 1,200

C 950 H 1,000

C 700 H 760

C 1,300 H 1,390

C 1,120 H 1,200

C 950 H 1,000

C 700 H 760

OUTDOOR UNIT 800

INDOOR UNIT H x W x D (mm)

HxWxD (mm)

275 x 790 x 215

OUTDOOR UNIT 540 x 660 x 290

FAN MOTOR

(dB)

(dB)

HI-SPEED

MED-SPEED

INDOOR UNIT

LO-SPEED

QUIET

C41 H41

OUTDOOR UNIT

NOISE LEVEL

20 m

15m chargeless, 20g/m (>15m)

WEIGHTS

INDOOR UNIT

OUTDOOR UNIT

DA 89 X 1F-20F

( /hr)

C41 H41

C36 H36 C36 H36

C30 H30 C30 H30

C21 H21 C21 H21

C47 H48

Note : Noise was measured in accordance with JIS standards, Japan.

GROSS / NET (kg)

GROSS / NET (kg)

12 / 9

35 / 34 35 / 34

MAX PIPE LENGTH

ADDITIONAL REFRIGERANT

THICKNESSES OF ANNEALED COPPER PIPES

Nominal diameter

1/4

3/8

Outer diameter (mm)

6.35

9.52

R410A

0.80

0.80

[ref,] R22

0.80

0.80

Thickness (mm)

01-01

SPECIFICATIONS

INDOOR UNIT

HxWxD (mm)

HxWxD (mm)

275x790x215

OUTDOOR UNIT

540 x 790 x 290 578 x 790 x 300

DIMENSIONS

INDOOR UNIT

GROSS / NET (kg)

GROSS / NET (kg)

12 / 9

OUTDOOR UNIT

44 / 4041 / 37

WEIGHT

TYPE

COOL & HEAT INVERTER

INDOOR UNIT

ASYA14LCC

OUTDOOR UNIT

AOYR14LCC

ASYA12LCC

AOYR12LCC

COOLING CAPACITY

(kW) 4.20(0.9~5.3)

HEATING CAPACITY

(kW)

5.60(0.9~8.4)

ASYA18LCC

AOYR18LCC

5.20(0.9~5.7)

6.25(0.9~9.1)

POWER SOURCE (V) 230

FREQUENCY (Hz) 50

RUNNING CURRENT

COOLING 5.0

(A)

HEATING

6.4

INPUT WATTS

(kW)

COOLING 1.11(0.09~1.75)

HEATING 1.45(0.09~2.48)

E.E.R. COOLING 3.78

COP HEATING 3.86

MOISTURE REMOVAL

2.1

AIR CIRCULATION-Hi (m /hr)

3

C 700 H 700

7.6

7.7

1.72(0.09~2.00)

1.73(0.09~2.66)

3.02

3.61

2.8

C 700 H 700C 635 H 670

3.50(0.9~4.3)

4.80(0.9~6.7)

4.3

5.6

0.92(0.25~1.61)

1.24(0.25~2.30)

3.80

3.87

1.8

FAN MOTOR

TYPE

Hermetic type, 4 pole, 3 phase, DC inverter motor, Rotary

DISCRIMINATION DA 89 X 1F - 20F

REFRIGERANT R410A (g) 1,150 1,1501,050

POWER SOURCE (V) 230

HI-SPEED (r.p.m.) C 1,370 H 1,440

INDOOR
UNIT

MED-SPEED (r.p.m.) C 1,150 H 1,200

LO-SPEED (r.p.m.) C 950 H 1,000

QUIET (r.p.m.) C 700 H 760

C 1,480 H 1,480

C 1,260 H 1,300

C 1,040 H 1,110

C850H950

OUTDOOR UNIT (r.p.m.) C860H820

C 1,480 H 1,480

C 1,260 H 1,300

C 1,040 H 1,110

C850H950

C860H820C 830 H 830

ELECTRICAL DATA

COMPRESSOR

( /hr)

(kW/kW)

(kW/kW)

THICKNESSES OF ANNEALED COPPER PIPES

Nominal diameter

1/4

3/8

Outer diameter (mm)

6.35

9.52

R410A

0.80

0.80

[ref,] R22

0.80

0.80

5/8

12.7 0.80

0.80

Thickness (mm)

01-02

(dB)

(dB)

HI-SPEED

MED-SPEED

INDOOR UNIT

LO-SPEED

QUIET

C42 H42

OUTDOOR UNIT

NOISE LEVEL

20 m

15m chargeless, 20g/m (>15m)

C44 H42

C36 H35 C38 H37

C30 H29 C32 H32

C21 H21 C25 H27

C44 H44

C38 H37

C32 H32

C25 H27

C47 H49 C48 H49 C50 H50

Note : Noise was measured in accordance with JIS standards, Japan.

MAX PIPE LENGTH

ADDITIONAL REFRIGERANT

SPECIFICATIONS

TYPE

(COOL&HEAT INVERTER) (COOL&HEAT INVERTER)

INDOOR UNIT

ASYB09LDC ASYB12LDC

OUTDOOR UNIT AOYS09LDC AOYS12LDC

COOLING CAPACITY( ) : Range

(kW) 2.6 (0.5~3.7) 3.5 (0.9~4.3)

HEATING CAPACITY( ) : Range (kW) 3.6 (0.5~6.1) 4.8 (0.9~6.7)

POWER SOURCE

(V) 230

FREQUENCY

(Hz)

50

RUNNING CURRENT (A)

COOLING 2.9

3.9 5.5

1.22 (0.25~2.30)0.81 (0.25~1.96)

4.3

HEATING

INPUT WATTS (kW)

COOLING 0.61 (0.25~1.38) 0.91 (0.25~1.61)

HEATING

EER (kW/kW)

COOLING 4.26 3.85

4.44 3.93

1.8

HEATING

MOISTURE REMOVAL 1.3

AIR CIRCULATION-Hi (m3/hr) C 595 H645 C 595 H645

ELECTRICAL DATA

COMPRESSOR

Note : Always use a vacuum pump to purge the air.

Refrigerant for purging the air is not charged in the outdoor unit at the factory.

DIMENSIONS

TYPE Hermetic type,4 pole, 3 phase , DC inverter motor, Rotary

DISCRIMINATION DA 89 X 1F-20F

REFRIGERANT R410A

(g)

(r.p.m.)

(r.p.m.)

950

1,050

POWER SOURCE (V) 230

HI-SPEED

MED-SPEED

INDOOR UNIT

LO-SPEED

QUIET

C 1,300 H 1,390

C 1,120 H 1,200

C 950 H 1,000

C 700 H 760

C 1,370 H 1,440

C 1,150 H 1,200

C 950 H 1,000

C 700 H 760

OUTDOOR UNIT C800 H760

INDOOR UNIT H x W x D (mm)

HxWxD (mm)

283 x 790 x 230

OUTDOOR UNIT 540 x 790 x 290

FAN MOTOR

(dB)

(dB)

HI-SPEED

MED-SPEED

INDOOR UNIT

LO-SPEED

QUIET

C39 H40

OUTDOOR UNIT

NOISE LEVEL

20 m

15m chargeless, 20g/m (>15m)

WEIGHTS

INDOOR UNIT

OUTDOOR UNIT

DA 89 X 1F-20F

( /hr)

C41 H41

C34 H35 C35 H35

C29 H28 C29 H28

C20 H21 C20 H21

C47 H48 C47 H49

Note : Noise was measured in accordance with JIS standards, Japan.

GROSS / NET (kg)

GROSS / NET (kg)

12 / 9.5

38 / 34 40 / 36

MAX PIPE LENGTH

ADDITIONAL REFRIGERANT

THICKNESSES OF ANNEALED COPPER PIPES

Nominal diameter

1/4

3/8

Outer diameter (mm)

6.35

9.52

R410A

0.80

0.80

[ref,] R22

0.80

0.80

Thickness (mm)

01-03

2 . DIMENSIONS

R410A

WALL MOUNTED type

INVERTER

DIMENSIONS

Models : ASYA07LCC / AOYR07LCC

ASYA09LCC / AOYR09LCC

02-01

(unit : mm)

275

2,000

290

540

215790

660

INDOOR UNIT

OUTDOOR UNIT

DIMENSIONS

Models : ASYA12LCC / AOYR12LCC

02-02

(unit : mm)

275

540

2,000

215

790

790

56

290

353

17

DIMENSIONS

ASYB12LDC / AOYS12LDC

Models : ASYB09LDC / AOYS09LDC

02-03

(unit : mm)

540

790

56

290

353

17

790

230

283

DIMENSIONS

ASYA18LCC / AOYR18LCC

Models : ASYA14LCC / AOYR14LCC

02-04

(unit : mm)

347

578

48

10

320

508

540

20

300

125

60

790

275

2,000

215790

3 . REFRIGERANT SYSTEM DIAGRAM

R410A

WALL MOUNTED type

INVERTER

REFRIGERANT SYSTEM DIAGRAM

Models : ASYA07LCC / AOYR07LCC

ASYA09LCC / AOYR09LCC

03-01

2-Way

valve

Strainer

Strainer

3-Way

valve

Muffler

4-Way valve

Expansion valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

Compressor

Cooling
Heating

Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)

REFRIGERANT SYSTEM DIAGRAM

2-Way

valve

Strainer

Strainer

3-Way

valve

Muffler

Muffler

4-Way valve

Expansion valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

AOYS09LDC

(2Pass)

AOYR12LCC
AOYS12LDC

(4Pass)

Compressor

Cooling
Heating

ASYB09LDC / AOYS09LDC
ASYB12LDC / AOYS12LDC

Models : ASYA12LCC / AOYR12LCC

03-02

REFRIGERANT SYSTEM DIAGRAM

2-Way

valve

Strainer

Strainer

Sub-heat

exchanger

( INDOOR )

3-Way

valve

Muffler

4-Way valve

Expansion valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

Sub-accumulator

Compressor

Cooling
Heating

ASYA18LCC / AOYR18LCC

Models : ASYA14LCC / AOYR14LCC

03-03

4 . CIRCUIT DIAGRAM

R410A

WALL MOUNTED type

INVERTER

CIRCUIT DIAGRAM

Models : ASYA07LCC / AOYR07LCC

ASYA09LCC / AOYR09LCC

04-01

INDOOR UNIT

OUTDOOR UNIT

Terminal

Fuse 250V20A

Reactor Reactor

Fan Motor

Expansion
Valve

4-Way
Valve Assy

PCB (MAIN)

Compressor

Thermistor (pipe)

Thermistor (Discharge Pipe)

Thermistor (outdoor temp.)

1
2
3
4
5
6

1
2
3

1
2
3

1
2
3

1
2
3

1
2
3

4
5

1
2
3
4
5

1
2
3
4

1
2
3
4

1
2
3
4

5

6

3LN

WHITE

OR

RED

WHITE
RED

BLACK

BLACK

BLACK

BLACK BLACK

GREEN

BLACK

BLACK

BLACK

BLACK

BLACK

RED

RED

RED

BROWN
BLUE
ORANGE

ORANGE

YELLOW
WHITE

WHITE

WHITE WHITE

RED

WHITE

BLACK
BROWN
BROWN

W10

W7
W8
W9

W11

W4

W2

W1

W3

CN71

CN70

CN40

CN10

CN30

FM

C(W)

CM

S(V)

R(U)

PMV

4WV

POWER RELAY

34

TM1

W3

TM2

CN2

CN4 CN5

CN7

CN6

CN3

CN201

TERMINAL

POWER SOURCE

FAN M OTO R

ROOM TEMPERATURE

THERMISTOR

PIPE TEMPERATURE

THERMISTOR

STEP MOTOR

1

10

11

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

1

2

3

4

5

6

7

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

1

2

1

2

ORANGE

YELLOW

PINK

BLUE

RED

BLACK

BLACK

GREEN

WHITE

BLUE

RED

BROWN

BLACK

GREEN / YELLOW

N

L

3

THERMAL

FUSE 102

WHITE

YELLOW

BLACK

RED

BLUE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

RED

BLACK or GRAY

BLACK or GRAY

F. M .

INDICATOR PCB

CONTROLLER PCB

TO OUTDOOR UNIT

TEST

M

L

N

CIRCUIT DIAGRAM

Models : ASYA12LCC / AOYR12LCC

04-02

INDOOR UNIT

OUTDOOR UNIT

Fan Motor

Stepping
Motor

Thermistor
(room temp.)

Terminal

Terminal

Fuse 250V20A

Reactor Reactor

Fan Motor

Expansion
Valve

4-Way
Valve Assy

PCB (MAIN)

Power
Relay

Compressor

Thermistor
(pipe temp.)

Test

M

Thermistor (pipe)

Thermistor (Discharge Pipe)

Thermistor (outdoor temp.)

Display Board

Controller PCB

Power

102 C

Thermal Fuse

1
2
3
4
5
6

1
2
3

1
2
3

1
2
3

1
2
3

1
2
3

4
5

1
2
3
4
5

1
2
3

1
2
3

1
2
3

4

1
2
3
4

1
2
3
4

5

6

1

2

3

4

5

1

2

3

4

5

1

2

1

2

1

2

3

4

5

1

2

3

4

5

6

7

1

2

3

4

5

6

1

2

3

4

5

6

1

2

2

1

2

1

3

4

5

6

7

8

9

10

11

1

2

3

4

5

6

7

8

9

10

11

CN1

CN2 CN3

CN201

CN6CN7CN5CN4

43

3L

L

N

3LN

N

BLACK

RED

WHITE

WHITE

OR

RED

WHITE
RED

BLACK

BLACK

BLACK

BLACK BLACK

GREEN

BLACK

BLACK

BLACK

BLACK

BLACK

RED

RED

RED

BROWN
BLUE
ORANGE

ORANGE

YELLOW
WHITE

WHITE

WHITE WHITE

RED

WHITE

BLACK
BROWN
BROWN

BLACK

RED

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

RED

WHITE

ORANGE

RED

PINK

YELLOW

BLUE

GRAY

GRAY

GRAY

GRAY

W2

W3

W10

W7
W8
W9

W11

W4

W2

W1

W3

CN71

CN70

CN40

CN10

CN30

W1

BLACK

GREEN

BLUE

GREEN / YELLOW

BLACK

YELLOW

BLUE

BROWN

FM

C(W)

CM

FM

S(V)

R(U)

PMV

4WV

CIRCUIT DIAGRAM

OUTDOOR UNIT

ASYB12LDC / AOYS12LDC

Models : ASYB09LDC / AOYS09LDC

04-03

INDOOR UNIT

OUTDOOR UNIT

FAN MOTOR

DISPLAY BOARD

AIR CLEAN UNIT

REACTOR

THERMISTOR (PIPE)

THERMISTOR (DISCHARGE PIPE)

THERMISTOR (OUTDOOR TEMP.)

COMPRESSOR

C(W)

S(V)

R(U)

FUSE 250V20A

4WV

PWV

FM

CM

TERMINAL

4-WAY
VALVE

EXPANSION
VALVE

PRINTED CIRCUIT

BOARD (MAIN)

FAN

MOTOR

REACTOR

STEPPING

MOTOR

CONTROL BOARD

ROWER RELAY

65432

1

65432

1

654

987

321

6

5

4

7

3

2

1

6

5

4

7

3

2

1

3

2

1

3

2

1

4

3

2

1

4

3

2

1

6

5

4

3

2

1

6

5

4

3

2

1

3

2

1

3

2

1

3

2

1

3

2

1

54321

54321

5

443321

2

1

2

1

54321

54321

2

1

54321

54321

321

654

987

321

987

121110

654

FM

M

TERMINAL

THERMAL FUSE

THERMISTOR

(PIPE TEMP.)

THERMISTOR

(ROOM TEMP.)

TEST

POWER

WHITE

TM1

CN201

CN101

TM2

W3

CN1 CN2 CN3 CN7 CN11

CN9CN4

CN10

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

BLACK

RED

RED

BLUE

YELLOW

WHITE

WHITE

RED

RED

RED

BLUE

BLUE

BLACK or GRAY

BLACK or GRAY

BLACK

BLACK

GREEN

GREEN / YELLOW

BROWN

BLACK

RED

RED

OR

W10
W11

CN71

CN70

W4

W2

W1

W3

CN30

CN40

CN800

W7
W8
W9

WHITE

RED

WHITE

BLACK
BLACK

BLACK

BLACK

RED

WHITE

GREEN

BLACK

BLACK

BLACK

RED

RED

RED

RED

BROWN
BLUE

BLUE

ORANGE
YELLOW

YELLOW

WHITE

WHITE

BLACK

BLACK

WHITE

WHITE

BLACK BLACK

BROWN
BROWN

BLUE

PINK

YELLOW

YELLOW

ORANGE

WHITE

RED

BLUE

YELLOW

L

L3

3LN

N

N

SWITCH

102 C

CIRCUIT DIAGRAM

ASYA18LCC / AOYR18LCC

Models : ASYA14LCC / AOYR14LCC

04-04

INDOOR UNIT

OUTDOOR UNIT

POWER RELAY

34

TM1

W3

TM2

CN2

CN4 CN5

CN7

CN6

CN3

CN201

TERMINAL

POWER SOURCE

FAN M OTOR

ROOM TEMPERATURE THERMISTOR

PIPE TEMPERATURE THERMISTOR

STEP MOTOR

1

10
11

2
3
4
5
6
7
8
9

1
2
3
4
5
6
7

1
2
3
4
5
6
7

1
2
3
4
5
6

1
2
3
4
5
6

1
2

3
4
5

1
2
3
4
5

1
2

3
4
5

1
2

1
2

ORANGE

YELLOW

PINK

BLUE

RED

BLACK

BLACK

GREEN

WHITE

BLUE

RED

BROWN

BLACK

GREEN / YELLOW

NL3

THERMAL
FUSE 102

WHITE

YELLOW

BLACK

RED

BLUE

WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

RED

BLACKorGRAY

BLACKorGRAY

F. M .

INDICATOR PCB

CONTROLLER PCB

TO OUTDOOR UNIT

TEST

M

L

N

RED

WHITE

BLACK

RED

BLACK
WHITE
YELLOW
BLUE

RED

WHITE

BLACK

BLACK

BLACK

RED
BROWN

BLUE
ORANGE
YELLOW

WHITE

BLACK

BLACK

WHITE

RED

BLACK

BLACK

BLACK
BLACK

BROWN

BROWN

WHITE

YELLOW

RED

YELLOW

CN71

CN70

CN40

CN800

CN30

GREEN

W4

W2

W1

W3

W10
W11

W7

W8
W9

1
2
3
4
5
6
7

1

2

1
2
3
4
5
6
7

1
2
3
4
5
6

1
2
3
4
5
6

1
2
3
4

1
2
3

4

1
2
3

1
2
3

1
2
3

1
2
3

1
2
3

1
2
3

2

1

TERMINAL

N

L3

FUSE
250V-20A

PIPE TEMP. THERMISTOR

DISCHARGE TEMP. THERMISTOR

OUTDOOR TEMP. THERMISTOR

REACTOR

COMPRESSOR

FAN MOTO R

EXPANSION VALVE

4-WAY VALVE

CM

FM

PMV

4WV

R(R)

S(S)

C(T)

CONTROLLER PCB ASSY

5 . DESCRIPTION OF EACH

CONTROL OPERATION

R410A

WALL MOUNTED type

INVERTER

(Fig.1:LimitofMaximum Frequency based on Outdoor Temperature )

1. COOLING OPERATION

1-1 COOLING CAPACITY CONTROL

A sensor (room temperature thermistor) built in the indoor unit body will usually perceive
difference or variation between a set temperature and present room temperature, and
controls the operation frequency of the compressor.

* If the room temperature is 2°C higher than a set temperature, the compressor operation

frequency will attain to maximum performance.

minimum
frequency

maximum
frequency

maximum

frequency
ASYA07LCC 18Hz 61Hz 80Hz
ASYA09LCC 18Hz 61Hz 80Hz
ASYA12LCC 18Hz 80Hz 96Hz

Outside air Outside air
temperature temperature

36°C

Azone

34°C

32°C

B zone

30°C

21°C

C zone

19°C

D zone

Hi Me Lo Quiet
A zone 80Hz 61Hz 51Hz 33Hz
B zone 80Hz 61Hz 51Hz 33Hz
C zone 80Hz 61Hz 51Hz 33Hz

07LCC
09LCC

D zone 51Hz 42Hz 36Hz 21Hz
E zone 51Hz 42Hz 36Hz 21Hz
F zone 51Hz 42Hz 36Hz 21Hz
A zone 96Hz 61Hz 51Hz 33Hz12LCC
B zone 96Hz 61Hz 51Hz 33Hz
C zone 96Hz 61Hz 51Hz 33Hz
D zone 51Hz 42Hz 36Hz 22Hz
E zone 51Hz 42Hz 36Hz 22Hz

09LDC

F zone 51Hz 42Hz 36Hz 22Hz
Azone
B zone
C zone
D zone
Ezone
F zone

( Table1:Compressor Frequency Range )

When the compressor operates for 30 minutes continuously at over the maximum frequency ,
the maximum frequency is changed from Maximum Frequency to Maximum Frequency .
The room temperature is controlled 1°C lower than the setting temperature for 40 minutes
after starting the operation.
After 40 minutes, it is controlled based on the normal setting temperature.

05-01

E zone

F zone

10°C

0°C

12°C

2°C

80Hz 61Hz 51Hz 33Hz
80Hz 61Hz 51Hz 33Hz
80Hz 61Hz 51Hz 33Hz
51Hz 42Hz 36Hz 27Hz
51Hz 42Hz 36Hz 27Hz
51Hz 42Hz 36Hz 27Hz

ASYB09LDC 18Hz 61Hz 80Hz
ASYB12LDC 18Hz 80Hz 96Hz
ASYA14LCC 18Hz 70Hz 90Hz
ASYA18LCC 18Hz 70Hz 90Hz

12LDC A zone

B zone
C zone
D zone
Ezone
F zone

96Hz 61Hz 51Hz 33Hz
96Hz 61Hz 51Hz 33Hz
96Hz 61Hz 51Hz 33Hz
57Hz 42Hz 36Hz 27Hz
57Hz 42Hz 36Hz 27Hz
57Hz 42Hz 36Hz 27Hz

14LCC
18LCC

Azone
B zone
C zone
D zone
Ezone
F zone

90Hz 45Hz 42Hz 30Hz
90Hz 45Hz 42Hz 30Hz
90Hz 45Hz 42Hz 30Hz
58Hz 38Hz 34Hz 24Hz
58Hz 38Hz 34Hz 24Hz
58Hz 38Hz 34Hz 24Hz

* When the room temperature is between +2°C to -2.5°C of the setting temperature,

the compressor frequency is controlled within the range shown in Table1.
However, the maximum frequency is limited in the range shown in Figure 1 based on the
fan speed mode and the outdoor temperature.

* If the room temperature is 2.5°C lower than a set temperature, the compressor will be

stopped.

2. HEATING OPERATION

2-1 HEATING CAPACITY CONTROL

A sensor (room temperature thermistor) built in the indoor unit body will usually perceive
difference or variation between a set temperature and present room temperature, and
controls the operation frequency of the compressor.

* If the room temperature is lower by 3°C than a set temperature, the compressor operation

frequency will attain to maximum performance.

* If the room temperature is higher 2.5°C than a set temperatire, the compressor will be

stopped.

minimum
frequency

maximum

frequency
ASYA07LCC 18Hz 130Hz
ASYA09LCC 18Hz

18Hz

130Hz
130Hz

ASYA12LCC

Outside air Outside air
temperature temperature

19°C

C zone

17°C

14°C

B zone

12°C

A zone

Hi Me Lo Quiet
A zone 130Hz 96Hz 80Hz 68Hz
B zone 130Hz 96Hz 80Hz 54Hz

07/09/12LCC
09/12LDC

C zone 130Hz 96Hz 80Hz 45Hz

* When the room temperature is between +2°C to -3°C of the setting temperature,

the compressor frequency is controlled within the range shown in Table2.
However, the maximum frequency is limited in the range shown in Figure 2 based on the
fan speed mode and the outdoor temperature.

( Table 2 : Compressor Frequency Range )

( Fig.2 : Limit of Maximum Frequency based on Outdoor Temperature )

* The room temperature is controlled 2°C higher than the setting temperature for 60 minutes

after starting the operation.
After 60 minutes, it is controlled based on the normal setting temperature.

05-02

ASYB09LDC 18Hz 130Hz
ASYB12LDC 18Hz

18Hz

130Hz
119Hz

ASYA14LCC
ASYA18LCC 18Hz 119Hz

A zone 119Hz 90Hz 70Hz 58Hz
B zone 119Hz 90Hz 70Hz 58Hz

14/18LCC

C zone 119Hz 90Hz 70Hz 58Hz

3. DRY OPERATION

3-1 INDOOR UNIT CONTROL

The compressor rotation frequency shall change according to the temperature, set temperature,
and room temperature variation which the room temperature sensor of the indoor unit body has
detected as shown in the Table 3. However, after the compressor is driven, the indoor unit shall
run at operation frequency of 58Hz, for a minute.

Operating

frequency
ASYA07LCC 33Hz
ASYA09LCC 33Hz
ASYA12LCC 33Hz

room room
temperature temperature

compressor ON

Ts+1.5°C

Ts+0.5°C

compressor OFF

Compressor

ON

OFF

Indoor fan

Dry air flow

S-Lo

OFF

( Table 3 : Compressor frequency )

( Fig.3 : Compressor Control based on Room Temperature )

( Fig.4 : Indoor Fan Control )

05-03

10 30 60 180 60 180 60 10 30

(SEC)

ASYB09LDC 33Hz
ASYB12LDC 33Hz
ASYA14LCC 24Hz
ASYA18LCC 24Hz

4. AUTO CHANGEOVER OPERATION

When the air conditioner is set to the AUTO mode by remote cintrol, operation starts in the optimum
mode from amoung the HEATING, COOLING, DRY and MONITORING modes. During operation, the
optimum mode is automatically swiched in accordance with temperature changes. The temperature
can be set between 18°C and 30°C in 1°C steps.

.When operation starts, only the indoor and outdoor fans are operated for 1 minute. After 1 minute,

the room temperature and outside air temperature are sensed and the operation mode is
selected in accordance with the table below.

Czone

32°C

B zone

10°C

A zone

( Table.4 Operation mode selection table)

Outside air temperature (TO)

Room temperature(TB)

A zone B zone C zone

TB > TS+2°C

Monitoring

Cooling

(automatic dry)

Cooling

(automatic dry)

TS+2°C TB TS - 2°C

Monitoring Monitoring Monitoring

TB TS - 2°C Heating Heating Monitoring

.When COOING was selected at , the air conditioner operates as follow:

The same operation as COOLING OPERATION of item 1 above is performed.

When the room temperature has remained at (set tempareure-1°C) for 8 minutes, operation is

automatically switched to DRY and the same operation as DRY OPERATION of item 3 above
is performed.

If the room temperature reaches (set temperature+2°C during DRY operation, operation returns to
COOLING operation.

.When HEATING was selected at , the same operation as HEATING OPERATION of item 2
above is performed.

When the compressor was stopped for 6 consecutive minutes by the temperature control function
after the COOLING or HEATING operation mode was selected at above, operation is switched
to MONITORING and the operation mode is selected again.

1

<

1

2

3

1

4

1

( Fig.5 : Outside air temperature zone selection )

05-04

5. INDOOR FAN CONTROL

(1).Fan speed

( Table 5 : Indoor Fan Speed )

07/09LCC, 09LDC

Operat ion mode Air flow mode Speed (rpm)

Hi 1390

Me+ 1350

Me 1200

Lo 1000

Quiet 760

Cool air

prevention

760

Heating

S-Lo 480

Hi 1300

Me 1120

Lo 950

Cooling
Fan

Quiet 700

Dry 700

(2).FAN OPERATION

The airflow can be switched in 5 steps such as AUTO, QUIET, LOW, MED, HIGH, while the indoor
fan only runs.
When Fan mode is set at (Auto), it operates on (MED) Fan Speed.

12LCC, 12LDC

Operation mode Air flow mode Speed (rpm)

Hi 1 440

Me+ 1350

Me 1200

Lo 1000

Quiet 760

Cool air

prevention

760

Heating

S-Lo 480

Hi 1370

Me 1150

Lo 950

Cooling
Fan

Quiet 700

Dry 700

05-05

14/18LCC

Operation mode Air flow mode Speed (rpm)

Hi 1480

Me+ 1420

Me 1300

Lo 1110

Quiet 950

Cool air

prevention

850

Heating

S-Lo 480

Hi 1480

Me 1260

Lo 1040

Cooling
Fan

Quiet 850

Dry 850

(3).COOLING OPERATION

Switch the airflow [AUTO], and the (Fig.6)
indoor fan motor will run according

airflow change - over ( Cooling:AUTO )

to a room temperature, as shown in When the room
Figure 6. temperature rises
On the other hand, if switched in
[HIGH]

[QUIET], the indoor motor

+2.5°C

will run at a constant airflow of [COOL]

operation modes QUIET, LOW, MED,
HIGH, as shown in Table 5.

+1.5°C

+1°C

LOW mode

When the room

temperature lowers

(Room temperature) D (Setting temperature)

(4).DRY OPERATION

(5).HEATING OPERATION

Switch the airflow [AUTO], and the (Fig.7)
indoor fan motor will run according

airflow change - over ( Heating:AUTO)

to a room temperature, as shown in When the room
Figure 7. temperature rises
On the other hand, if switched

LOW mode

[HIGH]

[QUIET], the indoor motor -1°C

will run at a constant airflow of [HEAT]

-1.5°C

operation modes QUIET, LOW, MED,
HIGH, as shown in Table 5.

-2°C

-2.5°C

MED + mode

When the room

temperature lowers

(Room temperature) D (Setting temperature)

(6).COOL AIR PREVENTION CONTROL (Heating mode)

Indoor heat exchanger Indoor heat exchanger
temperature temperature

47°C

Hi

40°C

Me+

37°C

Lo

Cool air prevention

30°C

S-Lo

Refer to the table 4.
Durring the dry mode operation, the fan speed
setting can not be changed.

The maximum value of the indoor fan speed is set as shown in Figure 8, based on the detected
temperature by the indoor heat exchanger sensor on heating mode.

(Fig.8 : Cool Air Prevention Control)

05-06

40°C

28°C

32°C

34°C

HIGH mode

MED mode

+2°C

MED mode

6. OUTDOOR FAN CONTROL

Cooling Dry Heating

ASYA14/18LCC 860/820/670/500

400/340/280

ASYB09/12LDC

280/250/230

( Table 8 : Outdoor fan speed )

*

The outdoor fan speed mentioned avobe depends on the compressor frequency.
(When the compressor frequency increases, the outdoor fan speed also changes to the higher
speed. When the compressor frequescy decreases, the outdoor fan speed also changes to the
lower speed.)

*

It runs at 500(A-D ZONE)/200(E,F ZONE) rpm for 20 seconds after starting up the outdoor fan.

*

After the defrost control is operated on the heating mode, the fan speed keeps at the higher speed
as table 9 without relating to the compressor frequency.

05-07

A-D

E

F

A-D

E

F

ZONE

800/760/470

400/280

09LDC: 200
12LDC: 250/200

09LDC: 200
12LDC: 250/200

500

400/280

200

500

400/280

820/750/670/550/450

760/680/470

Refer to Fig1.

(rpm)

*

Outdoor temperature falls, and if it becomes E and F zone(

Refer to Fig1), rotations of fan speed

will fall.

( Table 9 : Outdoor fan speed after the defrost )

ASYB09LDC

ASYB12LDC

ASYA14/18LCC

Min

800rpm

900rpm

950rpm

(1). Outdoor Fan Motor

AC Motor DC Motor
ASYA07/09/12LCC
ASYB09/12LDC
ASYA14/18LCC

(2). Fan Speed

Cooling Dry Heating

ASYA07/09LCC 830rpm 830rpm 830rpm
ASYA12LCC 820rpm 820rpm 820rpm

Following table shows the type of the outdoor fan motor. The control method is different
between AC motor and DC motor.

( Table 6 : Type of Motor )

( Table7:ACMotor )

In conjunction with the compressor ON/OFF, the fan speed operates at around the speed
shown above.

*

7. LOUVER CONTROL

(1). VERTICAL LOUVER CONTROL

Each time the button is pressed, the air direction range will change as follow:

Cooling / Dry mode
Heating mode
Fan mode

Use the air direction adjustments within the ranges shown above.

The vertical airflow direction is set automatically as shown, in accordance with the type of operation
selected.

Cooling / Dry mode

Horizontal flow

Heating mode Downward flow

When the temperature of the air being blown out is low at the start of heating operation or during
defrosting, the airflow direction temporarily becomes

to prevent cold air being blown onto the body.

During use of the Cooling and Dry modes, do not set the Air Flow Direction Louver in the Heating
range (

) for long period of time, since water vapor many condense near the outlet louvers and
drop of water may drip from the air conditioner. During the Cooling and Dry modes, if the Air Flow
Direction Louvers are left in the hating range for more than 30minutes, they will automatically
return to position

.

During Monitor operation in AUTO CHANGEOVER mode, the airflow direction automatically
becomes

, and it cannot be adjusted.

Cooling mode / Dry mode / Fan mode(

)

Heating mode / Fan mode( )

(Function Range)

(Fig 9: Air Direction Range)

(Operation Range)

(2). SWING OPERATION

When the swing signal is received from the remote controller, the vertical louver starts to
swing.

(Swinging Range)

When the indoor fan is either at S-lo or Stop mode, the swinging operation is interrrupted
and the louver stops at the memorized position.

05-08

8. COMPRESSOR CONTROL

(1). OPEARTION FREQUENCY RANGE

The operation frequency of the compressor is different based on the operation mode as
shown in the table 10.

Cooling Heating

Min Max Min Max

Dry

07/09LCC, 09LDC 18Hz 80Hz 18Hz 130Hz 3 3 H z
12LCC, 12LDC 18Hz 96Hz 18Hz 130Hz 33Hz
14LCC, 18LCC 18Hz 90Hz 18Hz 119Hz 24 H z

ASYA07/09LCC 56Hz 74Hz 87Hz 97Hz 108Hz 119Hz
ASYA12LCC 56Hz 64Hz 74Hz 87Hz 108Hz 120Hz
ASYB09/12LDC 56Hz 74Hz 87Hz 97Hz 108Hz 119Hz

ASYA07/09LCC 80sec 60sec 60sec 180sec 60sec 60sec
ASYA12LCC 80sec 30sec 30sec 30sec 50sec 60sec
ASYB09/12LDC 80sec 60sec 60sec 180sec 60sec 60sec

(Table 10 : Compressor Operation Frequency Range)

(2). OPEARTION FREQUENCY CONTROL AT START UP

The compressor frequency soon after the start-up is controlled as shown in the figure 10.

(Fig.10 : Compressor Control at Start-up)

Time

Time Time Time

Time

Time

(Frequency)

(Time)

Frequency

Frequency

Frequency Frequency

Frequency

Frequency

Time Time

Time Time Time Time

Frequency

Frequency

Frequency

Frequency

Frequency

Frequency

05-09

ASYA14/18LCC 40Hz 59Hz 72Hz 80Hz 101Hz 110Hz

ASYA14/18LCC 60sec 40sec 40sec 60sec 150sec 60sec

9. TIMER OPEARTION CONTROL

(1). OPEARTION FREQUENCY RANGE

The table 11 shows the available timer setting based on the product model.

ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER
ASYA07/09/12/14/18LCC
ASYB09/12LDC

OFF timer : When the clock reaches the set time, the air conditioner will be turned off.

Operation mode

Stop mode

Set time of timer

ON timer : When the clock reaches the set time, the air conditioner will be turned on.

Operation mode

Stop mode

Set time of timer

The program timer allows the OFF timer and ON timer to be used in combination one time.

Operation mode

Operation will start from the timer setting (either OFF timer or ON timer) whichever is closest

to the clock's current timer setting. The order of operations is indicated by the arrow in the remote
control unit's display.
SLEEP timer operation cannot be combined with ON timer operation.

(Table 11 : Timer Setting)

(2). PROGRAM TIMER

Stop mode

Stop mode

Stop mode

Operation mode

Operation mode

Set time

Set time Set time Set time

05-10

(3). SLEEP TIMER

If the sleep is set, the room temperature is monitored and the operation is stopped automatically.
If the operation mode or the set temperature is change after the sleep timer is set, the operation is
continued according to the changed setting of the sleep timer from that time ON.

Set temperature rises

( Ts : Set temperature )

Stop of operation

Set temperature lowers

( Ts : Set temperature )

Ts

Stop of operation

In the cooling operation mode

When the sleep timer is set, the setting temperature is increased 1°C.
It increases the setting temperature another 1°C after 1 hour.
After that, the setting temperature is not changed and the operation is stopped at the time
of timer setting.

Ts

+1°C

+2°C

Set

60min

In the heating operation mode

When the sleep timer is set, the setting temperature is decreased 1°C.
It decreases the setting temperature another 1°C every 30 minutes.
Upon lowering 4°C, the setting temperature is not changed and the operation stops at
the time of timer setting.

-4°C

-3°C

-2°C

-1°C

Set

30min

30min

30min

05-11

10. ELECTRONIC EXPANSION VALVE CONTROL

The most proper opening of the electronic expansion valve is calculated and controlled under the
present operating condition based on the following values.
The compressor frequency, the temperatures detected by the discharge temperature sensor, the
indoor heat exchanger sensor, the outdoor heat exchanger sensor, and the outdoor temperature
sensor.

The pulse range of the electronic expansion valve control is between 60 to 480 pulses.

The expansion valve is set at 480 pulses after 110 seconds of stopping compressor.

At the time of supplying the power to the outdoor unit, the initialization of the electronic
expansion valve is operated (528 pulses are input to the closing direction).

11. TEST OPERATION CONTROL

Under the condition where the air conditioner runs, press the test operation button of the remote
control, and the test operation control mode will appear. During test running, the operation lamp
and timer lamp of the air conditioner body twinkle simultaneously. Set the test operation mode,
and the compressor will continue to run regardless of whether the room temperature sensor detects.

The compressor won't enter operation status for 2 minutes and 20 seconds after the compressor is
stopped, even if any operation is given.

At the time when the air conditioner is switched from the cooling mode to heating mode, the
compressor is stopped, and the four-way valve is switched in 2 minutes and 20 seconds later after
the compressor stopped.

When the power was interrupted by a power failure, etc. during operation, the operation contents
at that time are memorized and when power is recovered, operation is automatically started with
the memorized operation contents.
When the power is interrupted and recovered during timer operation, since the timer operation time
is shifted by the time the power was interrupted, an alarm is given by blinking (7 sec ON/2 sec OFF)
the indoor unit body timer lamp.

[Operation contents memorized when the power is interrupted]

Operation mode
Set temperature
Set air flow
Timer mode and timer time
Set air flow Direction
Swing

The test operation mode is released if 60 minutes have passed after setting up the test operation.

12. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )

13. FOUR-WAY VALVE EXTENSION SELECT

14. AUTO RESTART

05-12

Air clean(Only 9/12LDC model)

15. MANUAL AUTO OPERATION (Indoor unit body operation)

If MANUAL AUTO Button is set, the operation is controlled as shown in Table 12.
If the remote control is lost or battery power dissipated, this function will work without the remote
control.

OPERATION MODE Auto changeover
FAN CONT. MODE Auto
TIMER MODE Continuous
SETTING TEMP. 24°C
SETTING LOUVER Standard
SWING OFF

When the outdoor heat exchanger temperature is lower than temperature and the heating operation has
been stopped for 30 minutes, power is applied to the compressor and the compressor is heated.
(By heating the compressor, warm air is quickly discharged when operation is started.)
When operation was started, and when the outdoor temperature rises to temperature or greater, preheating
is ended.

ASYA07/09/12/14/18LCC
ASYA09/12LDC

ASYA07/09/12LCC

900rpm 36Hz

ASYB09/12LDC

900rpm 36Hz

(Table 12)

(No timer setting available)

17. COMPRESSOR PREHEATING

(Table 13 : Preheating Operation / Release Temperature)

Temperature

Temperature

5°C
5°C

7°C
7°C

18. COIL DRY OR AIR CLEAN OPERATION CONTROL

The coil-dry operation functions by pressing COIL DRY button on the remote controller.
The coil-dry operation is consisted of 3 cycles of [Fan operation 3 minutes / Heating operation
2 minutes], and Fan operates for 3 minutes at last before ending the air conditioner operation.
(It takes 18 minutes to complete the coil-dry operation.)

(Table 14 : COIL-DRY or AIR-CLEAN Operating Functions)

Indoor Fan Speed

Compressor
Frequency

Louver
Position

Main Unit
Indication

COIL-DRY or
AIR-CLEAN indication : ON
Other indication : OFF

05-13

Forced cooling operation

Cooling

16. FORCED COOLING OPERATION

Forced cooling operation is started when pressing MANUAL AUTO button for 10 seconds or more.
During the forced cooling operation, it operates regardless of room temperature sensor.
Operation LED and timer LED blink during the forced cooling operation. They blink for 1 second ON
and 1 second OFF on both operation LED and timer LED (same as test operation).
Forced cooling operation is released after 60 minutes of starting operation.
The FORCED COOLING OPERATION will start as shown in Table11.

-

-

480rpm

ASYA14/18LCC

900rpm 24Hz

(1). COIL DRY OPERATION CONTROL

(2). AIR CLEAN OPERATION CONTROL (ASYB09/12LDC model only)

The coil-dry operation functions by pressing AIR CLEAN button on the remote controller.
It continues from COIL DRY operation, it turns on electricity to AIR CLEAN UNIT, sterilization is
performed for 15 minutes.
Indoor unit fan motor operation under AIR CLEAN operation : The cycle of 480rpm Fixation
5 sec ON /1 min OFF is repeated.
(It takes 33 minutes to complete the AIR CLEANING operation.)

Hi

Horizontal
OFF

Room Temp is not controlled

Manual auto operation

-

19. DEFROST OPERATION CONTROL

(1). CONDITION OF STARTING THE DEFROST OPERATION

The defrost operation starts when the outdoor heat exchanger temperature sensor detects
the temperature lower than the values shown in Table 15.

(Table 15 : Condition of starting Defrost Operation)

ASYA07/09LCC
ASYA12LCC
ASYB09/12LDC
ASYA14/18LCC

ASYA07/09/12LCC

ASYB09/12LDC

ASYA14/18LCC

1 time defrosting

after starting

operation

ST

Compressor operating time

Less than 20 minutes 20 to 60 minutes

60 minutes to 4 hours

After 4 hours

Does not operate

-9°C

-9°C

-9°C

-9°C

-5°C

-5°C

-5°C

-5°C

-3°C

-3°C

-3°C

-3°C

ASYA07/09LCC
ASYA12LCC
ASYB09/12LDC
ASYA14/18LCC

Defrosting after 2

time upon starting

operation

ST

Less than 35 minutes

35 minutes to

4 hours

Does not operate

Compressor operating time

After 4 hours

-3°C

-3°C

-3°C

-3°C

-6°C

-6°C

-6°C

-6°C

(2). CONDITION OF THE DEFROST OPERATION COMPLETION

Defrost operation is released when the conditions become as shown in Table 16.

(Table 16 : Defrost Release Condition)

Release Condition

Outdoor heat exchanger temperature sensor value is higher than 16°C or
Compressor operation time has passed 15 minutes.

Outdoor heat exchanger temperature sensor value is higher than 16°C or
Compressor operation time has passed 15 minutes.

Outdoor heat exchanger temperature sensor value is higher than 10°C or
Compressor operation time has passed 15 minutes.

05-14

Defrost Flow Chart

The defrosting shall proceed by the integrating operation time and outdoor heat exchanger
temperature as follows.

(Not defrosted for 10 minutes)

(In case of 1st defrost) (In case of 2nd and later defrost)

Compressor OFF
Outdoor fan motor OFF
30 sec later four - way valve OFF
36 sec later compressor ON

Heating operation start : Compressor ON

Compressor integrating
operation:
Over 20 minutes to
below 60 minutes

Compressor integrating
operation:
Over 60 minutes to
below 240 minutes

Compressor integrating
operation:
Over 240 minutes

Compressor integrating
operation:
Over 35 minutes to
below 240 minutes

Compressor integrating
operation:
Over 240 minutes

Outdoor heat exchanger
temperature:
Below

-9°C

Outdoor heat exchanger
temperature:

Outdoor heat exchanger
temperature:

Outdoor heat exchanger
temperature:

Outdoor heat exchanger
temperature:

Defrost start

Defrost Indicator:
[Operation lamp]

7 sec ON / 2 sec OFF

Outdoor heat exchanger temperature:
Over 10°C / 16°C

or
Compressor ON time:
Over 15 minutes

Defrost end

Below -5°C

Below -3°C

Below -6°C

Below -3°C

05-15

20. OFF DEFROST OPEARTION CONTROL

(1). OFF DEFROST OPERATION CONDITION

When operation stops in the [Heating operation] mode, if frost is adhered to the outdoor unit heat
exchanger, the defrost operation will proceed automatically. In this time, if indoor unit operation
lamp flashes slowly (7 sec ON / 2 sec OFF), the outdoor unit will allow the heat exchanger to defrost,
and then stop.

In heating operation, the outdoor heat exchanger temperature is less than -4°C, and
compressor operation integrating time lasts for more than 30 minutes.

ASYA07/09/12LCC

ASYB09/12LDC

ASYA14/18LCC

OFF Defrost Flow Chart

Heating operation stop

Outdoor heat exchanger temperature:
Below -4°C

and
Compressor integrating operation:
Over 30 minutes

Defrost start

Defrost Indicater:
[Operation lamp]

Outdoor heat exchanger temperature:
Over 10°C / 16°C

or
Compressor ON time:
Over 15 minutes

Defrost end

(2). OFF DEFROST END CONDITION

Release Condition

Outdoor heat exchanger temperature sensor value is higher than 16°C or
Compressor operation time has passed 15 minutes.

Outdoor heat exchanger temperature sensor value is higher than 16°C or
Compressor operation time has passed 15 minutes.

Outdoor heat exchanger temperature sensor value is higher than 10°C or
Compressor operation time has passed 15 minutes.

7 sec ON / 2 sec OFF

05-16

21. VARIOUS PROTECTIONS

(1). DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION CONTROL

The discharge gas thermosensor (discharge thermistor : Outdoor side) will detect discharge gas
temperature.

ASYA07/09/12/14/18LCC 104°C 101°C 110°C
ASYB09/12LDC 104°C 101°C 110°C

07/09LCC, 09LDC 12LCC, 12LDC 14/18LCC

07/09LCC, 09LDC 12LCC, 12LDC 14/18LCC

OT (Control / Release)

17°C

12°C

46°C

40°C

3.5A / 3.0A

4.0A / 3.5A

5.5A / 5.0A

4.0A / 3.5A

5.0A / 4.5A

6.5A / 6.0A

4.5A / 4.0A

6.0A / 5.5A

8.5A / 8.0A

6.5A / 6.0A

8.0A / 7.5A

8.0A / 7.5A

8.0A / 7.5A

6.5A / 6.0A

8.0A / 7.5A

8.5A / 8.0A

9.5A / 9.0A

When the discharge temperature becomes higher than Temperature ,the compressor frequency
is decreased 20 Hz, and it continues to decrease the frequency for 20 Hz every 120 seconds until
the temperature becomes lower than Temperature .

When the discharge temperature becomes lower than Temperature ,the control of the control of the
compressor frequency is released.

When the discharge temperature becomes higher than Temperature ,the compressor is stopped
and the indoor unit LED starts blinking.

(Table 17 : Discharge Temperature Over Rise Prevension Control / Release Temperature)

Temperature

Temperature

Temperature

(2). CURRENT RELEASE CONTROL

The compressor frequency is controlled so that the outdoor unit input current does not exceeds
the current limit velue that was set up with the outdoor temperature.
The compressor frequency returns to the designated frequency of the indoor unit at the time
when the frequency becomes lower than the release value.

(Table 18 : Current Release Operation Value / Release Value)

[ Heating ]

[ Cooling / Dry ]

OT : Outdoor Temperature

OT : Outdoor Temperature

OT (Control / Release)

5°C

05-17

7.0A / 6.5A

9.0A / 8.5A

10.5A / 10.0A

13.0A / 12.5A

OT (Control / Release)

17°C

12°C

5°C

OT (Control / Release)

17°C

12°C

5°C

46°C

40°C

OT (Control / Release)

46°C

40°C

OT (Control / Release)

(3). ANTIFREEZING CONTROL (Cooling and Dry mode)

The compressor frequency is decrease on cooling & dry mode when the indoor heat exchanger
temperature sensor detects the temperature lower than Temperature .
Then, the anti-freezing control is released when it becomes higher than Temperature .

A-D
E,F

(Table 19 : Anti-freezing Protection Operation / Release Temperature)

TemperatureTemperature

4°C
4°C

7°C
13°C

(4). COOLING PRESSURE OVERRISE PROTECTION

(Table 20 : Cooling Pressure Over Rise Protection Function Temperature)

When the outdoor unit heat exchange sensor temperature rises to temperature or greater, the
compressor is stopped and trouble display is performed.

ASYA07/09/12/14/18LCC 67°C
ASYB09/12LDC 67°C

Temperature

(5). HIGH TEMPERATURE RELEASE CONTROL ( HEATING MODE )

On heating mode, the compressor frequency is controlled as following based on the
detection value of the indoor heat exchanger temperature sensor.

05-18

[ ASYA07/12LCC, ASYB09/12LDC ]

[ ASYA14/18LCC ]

46Hz or greater

45Hz

39Hz or greater

38Hz

39

45Hz

38Hz

26 38Hz 25Hz

19

29Hz 18Hz

18

25Hz OFF

OFF

Indoor heat exchange
temperature

[ Control System ]

Temperature

Temperature

Refer to below

Temperature

Temperature

The compressor frequency is
precisely controlled so that
it does not exceeds Temperature .

It returns to the normal operation

Compressor Operation

18Hz

30

Frequency down every 120 sec

Frequency down every 120 sec

ASYA07/09/12/14/18LCC 55°C
ASYB09/12LDC 55°C

Temp

Temp Temp Temp

53°C
53°C

52°C
52°C

50°C
50°C

6 . REFRIGERANT CAUTION -R410A-

R410A

WALL MOUNTED type

INVERTER

1. R410A TOOLS

Gauge manifold . . . ..................(Fig.4-1)

Since the normal pressure is high, the connection pipe size
is also different.

Charge hose . . .....................(Fig.4-2)

Refrigerant cylinder .................(Fig.4-3)

Confirm the refrigerant type before charging. Always
charge liquid-phase refrigerant.

Electronic balance for refrigerant

charging ...........................

(Fig.4-4)

Electronic balance is recommended as in the case of
R410A.

Vacuum pump with adapter to prevent

reverse flow . . . . . . . . . ...............

(Fig.4-5)

Conventional pump can be used.

Vacuum holder . . . ..................(Fig.4-6)

Conventional pump can be used if adapter for preventing
vacuum pump oil from flowing back is used.

Gas leakage tester . . . ...............(Fig.4-7)

Exclusive for HFC

Refrigerant cleaner . . . . . . ............(Fig.4-8)

Brown paint as designated by the ARI, USA

Flare tool . . . . . .....................(Fig.4-9)

Torque wrench . . . . ................(Fig.4-10)

Refrigerant recovering

equipment (Collector) . .............

(Fig.4-11)

The type which can be used for any refrigerant is available

Nitrogen cylinder . . . . . . .............(Fig.4-12)

This prevents an oxide film from forming in the pipe silver­alloy brazing work by turning the air out of the pipe and
preventing the inside combustion.

Safety charger . . . . . ................(Fig.4-13)

It is always compulsory to change the liquid, because
R410A is a mixed refrigerant and there is some fear that a
mixing ratio changes. In order to avoid the refrigerant from
returning to the compressor in a liquid state, the refrigerant
can be charged instead of giving a load to the compressor
with a safety charger.

Control valve . . . . . . ................(Fig.4-14)

The control valve prevents the refrigerant from spouting
when it is removed, as the charging hose side and the ser­vice port side are possible to open and close at the same
time.

Thermistor vacuum gauge . ..........(Fig.4-15)

To remove moisture from the refrigerating cycle complete­ly, it is necessary to perform appropriate vacuum drying.
For that reason, vacuum conditions can be confirmed cer­tainly.

Vacuum valve . . . . . . . . . . . ..........(Fig.4-16)

This valve builts in a check valve, and it is easily possible
to vacuum a refrigerating cycle or check for degree of vac­uum with it.

TOOLS AND EQUIPMENT (R410A)

Gauge Manifold

R410A

R22, R407C

High
pressure

gauge

Compond
gauge

Port size

-0.1 5.3
Mpa

-0.1 3.8
Mpa

1/2UNF
5/16"

-0.1 3.5
Mpa

-0.1 1.7
Mpa

7/16UNF
1/4"

*

1

Charge hose

R410A

R22, R407C

Normal
pressure

Port size

5.1 Mpa

27.4 Mpa

1/2UNF

3.4 Mpa

17.2 Mpa

7/16UNF

*

2

Breaking
pressure

This air conditioner used R410A.
For installation and servicing, it is necessary to prepare the
tools and machines that are different from the previous
refrigerant.

Mark shows the exclusive use for R410A.

The specification of the gauge is different due
to higher pressure.
The size of connection pipe is also different to
prevent mis-use.

The shape of flare is different for
high pressure condition.

06-01

Gas charging

Vacuum

i

n

g

Piping work

Pressure control and
Circuit switching

Charge hose

Fig.4-2

Outdoor unit

Electronic charging
scale Fig.4-4

Vacuum pump Fig.4-5

Thermistor vacuum ga

g

e

F

ig.41

5

V

acu

u

m

Val

veF

ig.41

6

S

a

fety charger Fig.4-13

Control Valve

Fig.4-14

V

acu

u

m

hol

d

e

rFig.

4

6

Leakage tester Fig.4-7

Cleaner Fig.4-8

Collector Fig.4-11

Nitrogen Cylinder

Fig.4-12

Torque wrench

Fig.4-10

Flare tool

Fig.4-9

Gauge manifold

Fig.4-1

Fig.4-3

Refri

gerantcy

l

i

nder

Vacuum control

Low pressure

High pressure

side

side

2. PRECAUTION FOR INSTALLATION

06-02

Precaution for installation

The pipe must be properly pressure rated for R410A
The pipe must be an air-conditioning refrigerant pipe.

Flare and flare nuts

Diameter 1/4” (6.35mm) 3/8” (9.52mm) 1/2 ”(12.7mm)

Refrigerant

R410A

R22
/R407C

R410A R410A

A 9.1 9.0 13.2 13.0 16.6

16.2

B 13 12 20 15 13 20

C 12 11 16 12.5 19 16

Nut width 17 22 26 24

Always use the flare nut that is packed
with the product.

Do not use existing (for R22) pipes

•

Be sure to use new pipes when replacing
conventional (R22) model with HFC
(R407C, R410A) model.

•

If you use existing pipes, it may cause
resolution of compressor oil by remaining
mineral oil.

3/8”(15.88mm)

R410A

22

29

19.7

25

R22
/R407C

R22
/R407C

R22
/R407C

19.4

23

20

27

3/4”(19.05mm)

R410A

24

36

24

29

R22
/R407C

23.7

29

24

Material

Nominal diameter

(in)

1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1 1/8" 1 1/4" 1 1/2"1 3/8"1"

6.35 9.52 12.70 15.88 19.05 22.22 28.58 31.75 38.1034.9225.40

Outside diameter

(mm)

Wall thickness

(mm)

0.8 0.8 0.8 1.0 1.2 1.0 1.0 1.1 1.31.21.0

1) Allowable tensile stress 33 (N/mm );

>
=

2

2) Allowable tensile stress 61 (N/mm ); 3) Design pressure 4.2MPa.

>

=

2

JIS H3300-C1220T-H or equivalent

2)

COPPER

JIS H3300-C1220T-O or equivalent

1)

COPPER

3)

Pipe diameter, recommended material and wall thickness

A

C

B

Be careful not to mix moisture and

contamination into the pipe

Moisture and contamination

in the pipe is a cause of
trouble.

Air purge

Always use a

vacuum pump

to purge air.

Refrigerant charge

Do it always from the liquid phase
side.

Don't charge from the gas phase side.

Compressor oil is changed

Be careful to handle synthetic oil, since it

resolves easily by moisture and

contamination.

Don't mix new synthetic oil and mineral oil.

It may cause trouble.

We developed new synthetic oil, since HFC
refrigerant doesn't dissolve in mineral (for R22)oil.

06-03

3. PRECAUTION FOR SERVICING

Feature 1 Refrigerant oil is different from before.

Refrigerant oil for

New Refrigerant

Synthetic oil

Ether

Esther

Different point from

previous one

Previously it was
mineral oil.

Absorbent character
is high.

Contamination occurs
when mixed withe other
kind of oil.

Use the gauge manifold and charge hose
for New Refrigerant(HFC), which shall
be segregated from those of R22.

Attach the stop valve on the vacuum pump
and avoid the oil from reverse frow.

It is necessary to use the vacuum pump
which can obtain the high vacuum condition.

Precaution on Tools

Feature 2 New Refrigerant has Approx 1.6 times higher pressure than previous refrigerant.

R410A

High Pressure

Different point from

previous one

Diameter of Service port
has been changed from
1/4 Flare to 5/16 Flare.

It requires the gauge manifold and charge
hose exclusively for R410A.

It requires the flare tool and torque wrench
that satisfies New JIS standard.

Precaution on Tools

R410A R22

1.6 times of R22.

JIS standard of flare

process It became lager

To keep thethickness of
copper tube.
(1/4,3/3=more than 0.8mm)

Previous flare tool + flare adapter can be used as well.

06-04

4. NEW REFRIGERANT R410A

What is HFC ?

Phase-out schedule of HCFC

according to Montreal protocol

1996 20102000 2004 2015 2020 2030

60

40

20

100

(Year)

(%)

80

(HCFC consumption of 1989) +

(CFC consumption of 1989) x 2.8%

65%

35%

10%

0.5%

started control

only service use

total abolition

100% =

0

*

06-05

Ozone Layer depleting mechanism

CFC

CFCl

2

Cl Ozone

(O

3

)

O

2

ClO

Cl

sunbeam

What is CFC and HCFC?

CFC : Chloro-Fluoro-Carbon

High ODP( ozone depletion potential ) chemical compound, including chlorine. (ODP:0.6-1.0)
For example : R12 (for refrigerator and car air-conditioner)

Low ODP chemical compound, including chlorine and hydrogen. (ODP:0.02-01)

HCFC : Hydro-Chloro-Fluoro-Carbon

For example : R22 (for air-conditioner)

R134a (for Car air conditioner)

HFC

3 : Hydro-Fluoro-Carbon

R407C (for air conditioner)

Refrigerant characteristics

R22

Composition

(wt%)

R22

(100)

Boiling Point

- 40.8

Behavior ---

Pressure at 54.5

C

(kPa)

2,151

Temperature Glide

(deg)

0

ODP 0.055

R407C

R32/R125/R134a

(23/25/52)

- 43.6

zeotrope

2,262

5.4

0

R410A

R32/R125

(50/50)

- 51.4

near azeotrope

3,406

0.11

0

06-06

Summary of R407C and R410A characteristics

Pressure(Mpa)Temp(C

)

2.20 37.9

2.25 38.7

2.30 39.6

2.35 40.5

2.40 41.3

2.45 42.1

2.55 43.8

2.60 44.6

2.65 45.3

2.70 46.1

2.75 46.8

2.80 47.6

2.85 48.3

2.90 49.0

2.95 49.8

3.00 50.5

3.05 51.2

3.10 51.9

3.15 52.6

3.20 53.2

3.25 53.9

3.30 54.6

3.35 55.3

3.40 55.9

3.45 56.5

3.50 57.1

2.55 57.8

3.60 58.4

3.65 59.0

3.70 59.6

3.75 60.2

3.80 60.8

3.85 61.4

3.90 52.0

3.95 62.5

4.00 63.1

4.05 63.6

4.10 64.2

4.15 64.8

Temp ( C) Pressure (Mpa)

39 2.27
40 2.32
41 2.38
42 2.44
44 2.57
45 2.63
46 2.69
47 2.76
48 2.83
49 2.90
51 3.04
52 3.11
53 3.18
54 3.26
56 3.41
57 3.49
58 3.57
59 3.65
61 3.82
62 3.90
63 3.99
64 4.08

Desighed pressure of R410A refrigerant

< Pressure Temp >

Relation between R410A condensing temperature and saturated pressure.

< Temp Pressure >

Advantage

Disadvantage

Suitable for

R410A

higher system

performance

Near-Azeotropic

refrigerant

1.6 times higher

(difficult to design against

pressure resistance)

Small Air-Conditioners

pressure than R22

R407C

similar pressure as R22

(possible to design

large equipment)

Zeotropic refrigerant

(handle with care)

Large Air-Conditioners

*

05-07

OIL

• Use new synthetic oils such as ester because HFC series refrigerant has less solubility with mineral oils
conventionally used for R22.

• As these new synthetic oils are easily influenced by moisture and dusts, they must be treated more care-

fully than the conventional lubricating oils.

CAUTION

For installation/servicing, take more precautions than the case of conventional refrigerants to avoid moisture
and dusts entering the refrigerant circuit. Also, for storing parts, more precautions must be taken.

2, 3-WAY VALVE

• Review material O-ring, valve core seal for securing suitability with oil.

CAUTION

Check if the valve is suitable for the refrigerant (model) when replacing.

CAUTION

Check if the compressor is suitable for the refrigerant (model) when replacing. Complete welding within 15
minutes after opening the cap when replacing.

COMPRESSOR

• Use better grade of material for sliding parts for securing good lubrication of sliding part as HFC

refrigerant does not contain chloride.

• Review insulating materials

• Increase pressure resistance strength

CAUTION

During storage, due care must be taken so that foreign matters such as dust and water do not enter.

HEAT EXCHANGER

• Review the water,contaminants controlling level

• Use thinner tube to increase pressure Increase capacity for resistance strength (only outdoor unit)
improving performance

CAUTION

Check if the valve is suitable for the refrigerant (model) when replacing.

4-WAY VALVE

• Review materials

5. DEFFERENCE FROM CONVENTIONAL MODEL (R22) AND PRECAUTIONS

06-08

7 . TROUBLE SHOOTING

R410A

WALL MOUNTED type

INVERTER

1. When the unit does not operate at all (Operation lamp and Timer lamp do not light up)

2. Self Diagnosis Function (Either Operation lamp or Timer lamp is blinking)
* How to operate the self-diagnosis function
* Self- diagnosis table and Check points

3. Trouble shooting method
* Serial signal check
* IPM protection check
* Refrigeration cycle diagnosis

Does not operate at all (Operation Lamp and Timer Lamp do not light up)

[Check Point]

(1) Is the input power voltage from the exclusive circuit AC outlet normal?
(2) Is the AC plug inserted to the AC outlet securely and not loose?

(4) Check if each connector is inserted securely.

[Checking Flow Chart]

YES (AC220/230V)

YES (AC220/230V)

YES (AC260~400V)

YES (DC5V)

(IC5, T1 or IC8,11 defective)

YES (DC15V)

YES (DC5Vp-p, Pulse wave of 60Hz)

Controller PCB defective

NO

NO

NO

NO

NO

NO

NO

LCC:(F2, D1, T2 defective)
LDC:(F2, D1, L2 defective)

LCC:(IC2, T1, IC3 defective)
LDC:(IC5, T1, IC15 defective)

(F1, VA1 defective)

07-01

Does not connected cable do wrong wiring?(3)

LDC (C9:DC20, C10:DC13.5V 1V)

YES LCC (C7:DC20, C12:DC13.5V 1V)

Is AC input voltage from AC outlet normal ?

Fault of an input power supply.

Is AC voltage between VA 1 normal?

Switching power circuit

LCC: Is DC voltage between terminal of C4 normal?
LDC: Is DC voltage between terminal of C5 normal?

Switching power circuit

Switching power circuit

LCC: Is DC voltage between terminals of C7 & C12 normal?
LDC: Is DC voltage between terminals of C9 & C10 normal?

LCC: Is DC voltage between terminals 3 & 4 of IC7 normal?
LDC: Is DC voltage between terminals 3 & 4 of IC8 normal?

Is DC voltage between terminals of C17 normal?

LCC: IC6 defective
LDC: IC7 defective

LCC: IC4 defective
LDC: IC13 defective

LCC: IC7 defective
LDC: IC8 defective

LCC: Is DC voltage between terminals of C9 normal?
LDC: Is DC voltage between terminals of C24 normal?

YES (AC220/230V)

NO

Is AC voltage between 4pin of W1 and K1 normal?

Temp fuse defective

SELF-DIAGNOSIS FUNCTION

This function memorizes the self-diagnosis function (lamp display) in the in door control P.C.Board
when trouble occurs.
(The memory contents are not destroyed even when the power cord is unplugged from the AC outlet.)

The self-diagnosis function (lamp display) can also be switched between major classification display

and minor classification display and precise diagnosis can be made.

Self-diagnosis function [lamp display] (memory reading)

(1) When error occurs, it is indicated by blinking [Operation lamp (Red)] and [Timer lamp (Green)].
(2) Upon pulling out and inserting the AC plug, the starts to operates from remote control.

(At this state, a normal operation indication is performed.)

(3) By pressing [TEST] button of remote control, [Error Indication] is indicated only

during

[3 minutes ST].

(3 minutes ST : 2 minutes 20 seconds from the timing AC plug is ON)

[Lamp display]

3 minutes delay

Turn off Operating

Error Indication Normal indication after

3min.ST

Indication

AC Plug ON Start operation Input TEST signal

How to erase Memory

(1)

(Indoor unit buzzer beeps 3 seconds.)

07-02

While [Error indication] is ON by the self-diagnosis function, the memorized contents can be
erased by pressing [Forced Auto Button] on the main unit.

Self - diagnosis function and Checking points

Error Indication

Operation

(RED)

Timer

(GREEN)

Error

(Protection)

Diagnosis Method

0.5 sec
2 times

When the indoor unit does not receive the signal for 10 consecutive seconds during the operation >Permanent stop after 30
seconds.

The outdoor unit does not receive the signal for 10 consecutive seconds from the time when the power relay was ON.
>Outdoor unit stops.

OFF

07-03

Serial forward transfer error
during the operation

Serial forward transfer error
at starting up operation

Serial reverse transfer error
during the operation

Serial reverse transfer error
at starting up operation

At the start up, the indoor unit does not receive the signal for 10 consecutive seconds from the time when the power relay was ON.
>Permanent stop after 30 seconds.

[Diagnosis Point]

Check the indoor /outdoor cable connection (in order). If the cable wiring is not abnormal, measure the voltage of the outdoor
unit terminals and diagnose the defective location.
(Refer to the after mentioned [Serial Signal Diagnosis] for the voltage measuring method and diagnosis method.)

[Diagnosis Point]

Check the indoor /outdoor cable connection (in order). If the cable wiring is not abnormal, measure the voltage of the outdoor
unit terminals and diagnose the defective location.
(Refer to the after mentioned [Serial Signal Diagnosis] for the voltage measuring method and diagnosis method.)

[Diagnosis Point]

Check the indoor /outdoor cable connection (in order). If the cable wiring is not abnormal, measure the voltage of the outdoor
unit terminals and diagnose the defective location.
(Refer to the after mentioned [Serial Signal Diagnosis] for the voltage measuring method and diagnosis method.)

When the outdoor unit does not receive the signal for 10 consecutive seconds during the operation > Outdoor unit stops.

[Diagnosis Point]

Check the indoor /outdoor cable connection (in order). If the cable wiring is not abnormal, measure the voltage of the outdoor
unit terminals and diagnose the defective location.
(Refer to the after mentioned [Serial Signal Diagnosis] for the voltage measuring method and diagnosis method.)

The room temperature thermistor detective a abnormai temperature when the power was turned on. > Remote control does not
operate.

[Diagnosis Point]

Check thermistor resistance value (Refer to "Themistor characteristics table").
Controller PCB defective.

The detection value of the indoor heat exchanger thermistor is either open or shoted when the power is ON. > Remote control dose
not operate.

[Diagnosis Point]

Check thermistor resistance value (Refer to "Themistor characteristics table").
Controller PCB defective.

Room temperature therm­istor defective

Indoor heat exchanger
thermistor error

0.5 sec
3 times

0.5 sec
4 times

0.5 sec
5 times

0.5 sec
2 times

0.5 sec
3 times

0.5 sec
2 times

Self - diagnosis function and Checking points

Error Indication

Operation

(RED)

Timer

(GREEN)

Error

(Protection)

Diagnosis Method

0.5 sec
2 times

The detection value of the outdoor heat exchanger thermistor is either open or shorted.
> Compressor, outdoor fan : OFF (It automatically releases when the normal value is detected.)

The detection value of the outdoor temperature thermistor is either open or shorted.
> Compressor, outdoor fan : OFF (It automatically releases when the normal value is detected.)

0.5 sec
3 times

07-04

Forced auto switch error

Outdoor temperature ther­mistor error

Outdoor heat exchanger
thermistor error

Discharge thermistor error

The detection value of the discharge thermistor is either open or shorted.
> Compressor, outdoor fan : OFF (It automatically releases when the normal value is detected.)

[Diagnosis Point]

Check thermistor resistance value (Refer to "Themistor characteristics table").
Controller PCB defective.

[Diagnosis Point]

Check thermistor resistance value (Refer to "Themistor characteristics table").
Controller PCB defective.

[Diagnosis Point]

Check thermistor resistance value (Refer to "Themistor characteristics table").
Controller PCB defective.

Forced auto switch becomes ON for 30 consecutive seconds.
> It indicates the error but the operation continues.

[Diagnosis Point]

Check if forced auto switch is kept pressed.
Forced auto switch defective.
Controller PCB defective.

After 2 minutes 20 seconds of stopping operation, the signal from outdoor unit is received even though the main relay is OFF.
> Main relay OFF continues (outdoor unit OFF command)

[Diagnosis Point]

Main relay defective
Controller PCB defective.

The power supply frequency can not be recognized after 4 seconds of power ON.
> Permanent stop.

[Diagnosis Point]

Controller PCB defective.

Main relay error

Power supply fequency
detection error

0.5 sec
3 times

0.5 sec
4 times

0.5 sec
2 times

0.5 sec
3 times

0.5 sec
4 times

0.5 sec
4 times

Self - diagnosis function and Checking points

Error Indication

Operation

(RED)

Timer

(GREEN)

Error

(Protection)

Diagnosis Method

0.5 sec
7 times

The air clean operation signal was detected for 1 minute at the time of air clean mode OFF.
> All stop. Not operate remote controller.

Abnormal current value of IPM is detected.
> Permanent stop.

0.5 sec
4 times

07-05

CT error

IPM protection

Reverde-VDD permanence
stop protection
(Electric air clean power
supply circuit abnormal)

VDD permanence stop
protection
(Electric air clean)

When the air cleanness monitor trial protection operates 4 times.
> Only clean air permanent stop.

[Diagnosis Point]

The front panel is closed.
The foreign body such as dust doesn't adhere.

[Diagnosis Point]

Electric air clean defective.
Controller PCB defective.

[Diagnosis Point]

Heat radiation is blocked (inlet/outlet).
Check if outdoor fan is defetcive (does not rotate).
Controller PCB defective (Refer to after mentioned "IPM diagnosis").
Refrigeration cycle defective (Refer to after mentioned "refrigeration cycle diagnosis").

The current value during the operation after 1 minute from starting up the compressor is 0A.
> permanent stop.

[Diagnosis Point]

Controller PCB defective.

The compressor speed does not synchronze with the control signal. (Including start up failure of the compressor).
> permanent stop.

[Diagnosis Point]

Check if 2-way valve or 3-way valve is left open.
Check the compressor (Winding resistance value, loose lead wire).
Refrigeration cycle defective (Refer to after mentioned "refrigerant cycle diagnosis")

Either the outdoor fan motor abnormal current or location error was detected.
> Permanent stop.

[Diagnosis Point]

Fan motor connector loose/ defective contact.
Fan motor defective.
Controller PCB defective.

Compressor location error

Outdoor fan error
(DC motor)

0.5 sec
8 times

0.5 sec
2 times

0.5 sec
3 times

0.5 sec
5 times

0.5 sec
6 times

0.5 sec
5 times

Self - diagnosis function and Checking points

Error Indication

Operation

(RED)

Timer

(GREEN)

Error

(Protection)

Diagnosis Method

0.5 sec
2 times

The indoor fan speed is 1/3 of the target frequency after 56 seconds from starting operation or from the time the fan mode was
changed. > Operation stop. (It releases by sending the operation stop signal from the remote controller).

The discharge temperature error is activated.
> Permanent stop.

0.5 sec
6 times

07-06

Excessive high pressure
protection on cooling

Discharge temperature
error

Indoor fan speed error

Indoor fan lock error

The indoor fan speed is 0 rpm after 56 seconds from starting operation or from the time the fan mode was changed.
> Operation stop. (It releases by sending the operation stop signal from the remote controller).

[Diagnosis Point]

Fan motor connector loose /defective contact.
Fan motor defective
Controller PCB defective.

[Diagnosis Point]

Fan motor connector loose /defective contact.
Fan motor defective
Controller PCB defective.

[Diagnosis Point]

Check if 2-way valve or 3-way valve is left open.
Heat radiation is blocked (Inlet /outlet).
Check if outdoor fan is defective (does not rotate).
Refrigeration cycle defective (Refer to after mentioned "refrigerant cycle disagnosis").

Excessive high pressure protection on cooling mode has been activated.
> Compressor, outdoor fan : Off (It releases after 3 minute ST).

[Diagnosis Point]

Heat radiation is blocked (Inlet /outlet).
Check if outdoor fan is defective (does not rotate).
Refrigeration cycle defective (Refer to after mentioned "refrigerant cycle disagnosis").

Excessive voltage of DC voltage on PFC circuit in inverter PCB is detected, or the excessive current in the circuit is detected.
> Permanent stop.

[Diagnosis Point]

Controller PCB defective (Refer to after mentioned "PFC circuit diagnosis")

PFC circuit error

0.5 sec
3 times

0.5 sec
2 times

0.5 sec
3 times

0.5 sec
4 times

0.5 sec
7 times

0.5 sec
8 times

Serial Signal Receiving Error

[Check Point] Check which has a cause of error, either Indoor unit or Outdoor unit.

* Remove indoor unit front panel and cable xlampers and keep the terminal block clear so that it can be

measured with a meter.

* Remove AC power and reset the power, and press Test Operation switch on remote control.

[Check Procedure]

[Indoor Unit Check]

CAUTION: Keep out hands from terminal base and electrical components. Voltage is

applied on them and you may get electric shock.

NO

YES

07-07

[Outdoor Unit Check]

Indoor unit control unit is normal.

Check outdoor unit control unit.

Check cable wiring of terminal base of indoor
and outdoor unit correctly connected as numbered.

Does voltage AC220 to 230V appear between NO
terminal L and N of indoor unit terminal base?

Check cable wiring of terminal base.

Does indoor unit start to operate? Conduct the inspection on "no operation at all".

Outdoor unit controller PCB board failure.

Measure voltage between terminal N and 3 of
indoor unit terminal base. Is it normal?

Indoor unit controller PCB IC7 failure.

Does voltage AC350 to 415V appear at NO
DC voltage terminal?

Check broken fuse, wiring connection.

Does voltage AC220 to 230V appear between
terminai N and L of outdoor unit terminal base?

Check power supply connection.

NO

NO

NO

NO

YES

YES

YES

YES

YES

IPM Protection

[Checking Points]

Check the following points and locate the cause in the outdoor unit.

[Cause]

㵘(1) Compressor failure
㵘(2) Refrigeration cycle failure
㵘(3) PC Board defective
㵘(4) IPM defective
㵘(5) Incorrect wiring

[First step]

Measure the DC voltage at terminals (between Electrolytic Capacitor and discharge resistance)
in the Inverter Controller Assy, and make sure it is lower than DC5V.

Check point (1)

Check point (2)

Open the Inverter Controller Assy

Yes(Normal)

Go to Check point (2)

and check if there is abnormal points.

No(Abnormal)

Incorrect wiring > Correct and recheck
Parts touched > Correct and recheck

Parts broken > Change the broken part

Check point (3)

Turn on the power and press TEST button

Yes(Rotating)

Go to Check point (3)

on Remote Control.

No(Not rotating)

PCB or Compressor defective

Is the outdoor fan rotating?

Check point (4)

Operate the unit for certain time and

Yes(Operating)

The unit is normal.

check if the compressor is operating.

No(Not operating)

IPM or PCB defective > Replace PCB

If it is higher than 5V, wait until the discharging is over.

Yes(Normal)

No(Abnormal)

IPM defective

Check point (4)

Recheck, is compressor normal?

Yes(Operating)

No(Not operating)

Please redo from the start.
(Refrigerant cycle has the possibility
of abnormalities.)

07-08

1, Remove the lead of compressor.
2, Connect the P to minus and measure the U, V and W.

4, Connect the N to plus and measure the U, V and W.

3, Check the balance of resistance. (+/- 10%)

5, Check the balance of resistance. (+/- 10%)
*0Ω is failure even when resistance is the same

(The above resistance value is a typical value. There is some distribution. A

Trouble Shooting of Refrigerant Cycle

[Diagnosis Table for Defective Component]

: Item of most possible cause

IPM Protection

Compressor

Location error

Discharge

Temperature Error

Cooling High

Pressure

Protection

Refrigerant leak

Compressor failure(*)

EEV failure (*)

Thermistor failure (*)

(*) Trouble Shooting Method

(1) Checking method of the compressor failure

Insert the AC plug and start up the cooling operation. Input Test operation signal and check if the
compressor operates.
If it does not operate, measure the resistance value of compressor windings between U-V, V-W,
W-U.
If any of the resistance v alue between U-V, V-W, W-U is not same as others, the compressor is
defective.

Compressor Failure

NORMAL

ASYA07/09/12 LCC Compressor Case Temperature at 20°C: 0.710 ohm

ASYB09/12LDC Compressor Case Temperature at 20°C: 0.710 ohm

ASYA14/18LCC Compressor Case Temperature at 20°C: 0.730 ohm

s it also changes by the
compressor temperature, the measured value may be much different from the above table when
measured right after stopping operation.)

(2) Checking method of EEV failure

- Insert the AC plug and start up the operation. Check if the EEV operates just before compressor is turned
on. (Touch EEV by hand and check it.)
If it does not operate, check if the coil or connector of EEV is removed or loose.
If it operates, check the discharge thermistor / outdoor heat exchanger thermistor / indoor heat
exchanger thermistor. (Refer to (3) for checking method.)

(3) Checking method of Thermistor

- Check each thermistor if it is removed or the connector is loose.
If there is no problem, remove the connector of the thermistor from the PCB and che ck the resistance
value (refer to the thermitor characteristics table).

07-09

8 . APPENDING DATA

R410A

WALL MOUNTED type

INVERTER

1. Jumper setting of Indoor unit and Outdoor unit

2. Outdoor unit Pressure Value and Total Electric Current Curve

3. Thermistor Resistance Values

4. Capacity/Input Data

JP (Jumper) Setting

[Indoor Unit]

ASYA07/09/12LCC
ASYB09/12LDC
ASYA14/18LCC

- Remote control custom code
When multiple number of indoor units are installed in the same room, erroneous receipt of the signal can
be avoided by setting up the remote control custom code separately.
To set up the remote control custom code, always set up the same code on both indoor unit PCB and
remote control PCB.
(When the indoor unit PCB is changed to Code B, it can not receive the signal unless remote control PCB
is also changed to Code B.)

Indoor Unit Remote Control

JM1(JP)

J4 (JP)

Code A (Default)
Code B

- Auto Restart

It is possible to disengage Auto Restart function if it is not needed.

Indoor Unit

JM2 (JP)

With Auto Restart function
(Default)
Without Auto Restart
function

[Outdoor Unit]

AOYR07/09/12LCC

JP

JM500 JM103 JM102 JM101

Normal Preheat

07/09LCC

Higher Preheat

Normal Preheat

12LCC

Higher Preheat

AOYS09/12LDC

AOYR14/18LCC

- it is possible to select the higher or standard level of preheating function.

- When it is set up at the higher level of preheat, the magnetic noise of the compressor becomes higher.

08-01

JP

JM500 JM103 JM102 JM101

Normal Preheat

09LDC

Higher Preheat

Normal Preheat

12LDC

Higher Preheat

JP

JM500 JM103 JM102 JM101

Normal Preheat

14LCC

Higher Preheat

Normal Preheat

18LCC

Higher Preheat

Outdoor Unit Low Pressure Value and Outdoor Total Electric Current Curve (Cooling)

Model Name : ASYA07/09/12LCC

[Condition]
Ambient

temperature

Indoor / Outdoor - Same temperature

Refrigerant

amount

Standard amount

Piping

length

7.5m (Height difference 1m)

Power

voltage

50Hz - 230V

Operation

condition

TEST mode (Cooling), Hi Fan, Horizontal direction, Front air flow

Measuring

m

ethod

Caution

Start operation with the condition of the Indoor Unit air filter clean.

[Constant Frequency Operation Method (Test mode)]

1. Operate on Colling mode, and press TEST button of remote control.

2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automatically.)

(1) Indoor/Outdoor Temperature - Outdoor Low Pressure Curve

AS*9LSACW series ASYA12LCC

(2) Indoor/Outdoor Temperature - Outdoor Total Electric Current Curve

AS*9LSACW series ASYA12LCC

Measure the low pressure with the pressure meter at the service valve. Measure the outdoor

0.8

0.9

1

1.1

1.2

1.3

1.4

15 20 25 30 35

In/outdoor ambient temparature (degC)

Low-pressure of outdoor unit MPaG

RH 50%
RH 60%
RH 70%

2.00

2.20

2.40

2.60

2.80

15 20 25 30 35

In/outdoor ambient temparature (degC)

Outdoor total electric current A

RH 50%
RH 60%
RH 70%

unit overall current with the current clamp meter at Power Cable.

08-02

0.7

0.8

0.9

1

1.1

1.2

16 18 20 22 24 26 28 30 32

In/outdoor ambient temparature [degc]

Low-pressure of outdoor unit [MPa]

RH50%
RH60%
RH70%

3

3.5

4

4.5

16 18 20 22 24 26 28 30 32

In/outdoor ambient temparature [degc]

Outdoor total electric current [A]

RH50%
RH60%
RH70%

Outdoor Unit High Pressure Value and Outdoor Total Electric Current Curve (Heating)

Model Name : ASYA07/09/12LCC

[Condition]
Ambient

temperatur

e

Indoor 15 - 23degC, Outdoor 2 - 12degC

Refrigerant

amount

Standard amount

Piping 7.5m (Height difference 1m)

Power

voltage

50Hz - 230V

Operation

con

diti

on

TEST mode (Heating), Hi Fan, Lower direction, Front air flow

Measuring

method

Caution

Start operation with the condition of the Indoor Unit air filter clean.

[Constant Frequency Operation Method (Test mode)]

1. Operate on Heating mode, and press TEST button of remote control.

2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automatically.)

(1) Indoor/Outdoor Temperature - Outdoor High Pressure Curve

AS*9LSACW series ASYA12LCC

(2) Indoor/Outdoor Temperature - Outdoor Total Electric Current Curve

AS*9LSACW series ASYA12LCC

outdoor unit overall current with the current clamp meter at Power Cable.

1.8

2

2.2

2.4

2.6

2.8

3

0 5 10 15

outdoor ambient temparature C

High-pressure of outdoor unit MPa

15 C

20 C(Indoor inlet tempe)

23 C

3.00

3.50

4.00

4.50

0 5 10 15

outdoor ambient temparature C

Outdoor total electric current A

15 C
20 C(Indoor inlet temp)
23 C

length

08-03

2

2.2

2.4

2.6

2.8

3

3.2

3.4

0246 8101214

Outdoor ambient temparature [degC]

High-pressure of outdoor unit

[MPa]

15degC
20degC

(Indoor ambient temp. )

23degC

4

4.5

5

5.5

6

6.5

7

02468101214

Outdoor ambient temparature [degC]

Outdoor total electric current [A]

15degC
20degC

(Indoor ambient temp. )

23degC

Outdoor Unit Low Pressure Value and Outdoor Total Electric Current Curve (Cooling)

Model Name : ASYB09LDC, ASYB12LDC

[Condition]
Ambient

t

emperatur

e

Indoor / Outdoor - Same temperature

Refrigerant

amount

Standard amount

Piping 7.5m (Height difference 1m)

Power

voltage

50Hz - 230V

Operation

con

diti

on

TEST mode (Cooling), Hi Fan, Horizontal direction, Front air flow

Measuring

me

thod

Caution

Start operation with the condition of the Indoor Unit air filter clean.

[Constant Frequency Operation Method (Test mode)]

1. Operate on Colling mode, and press TEST button of remote control.

2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automatic

a

(1) Indoor/Outdoor Temperature - Outdoor Low Pressure Curve

ASYB09LDC ASYB12LDC

(2) Indoor/Outdoor Temperature - Outdoor Total Electric Current Curve

ASYB09LDC ASYB12LDC

Measure the low pressure with the pressure meter at the service valve. Measure the
outdoor unit overall current with the current clamp meter at Power Cable.

0.80

0.90

1.00

1.10

1.20

1.30

1.40

17.5 20 22.5 25 27.5 30 32.5

In/Outdoor ambient temperature C

Outdoor High Pressure (Mpa)

Relative Humidity 50%
Relative Humidity 60%
Relative Humidity 70%

2.00

2.10

2.20

2.30

2.40

2.50

2.60

2.70

17.5 20 22.5 25 27.5 30 32.5

In/Outdoor ambient temperature C

Outdoor Total Electric Current (A)

Relative Humidity 50%

Relative Humidity 60%

Relative Humidity 70%

0.7

0.75

0.8

0.85

0.9

0.95

1

1.05

1.1

1.15

1.2

17.5 20 22.5 25 27.5 30 32.5

In/Outdoor ambient temperature C

Outdoor High Pressure (MPa)

Relative Humidity 50%

Relative Humidity 60%

Relative Humidity 70%

3

3.2

3.4

3.6

3.8

4

4.2

17.5 20 22.5 25 27.5 30 32.5

In/Outdoor ambient temperature C

Outdoor Total Electric Current (A)

Relative Humidity 50%

Relative Humidity 60%

Relative Humidity 70%

length

08-04

Outdoor Unit High Pressure Value and Outdoor Total Electric Current Curve (Heating)

Model Name : ASYB09LDC, ASYB12LDC

[Condition]
Ambient

temperature

Indoor 15 - 23degC, Outdoor 2 - 12degC

Refrigerant

amount

Standard amount

Pi

ping

7.5m (Height difference 1m)

Power

voltage

50Hz - 230V

Operation

condition

TEST mode (Heating), Hi Fan, Lower direction, Front air flow

Measuring

method

Caution

Start operation with the condition of the Indoor Unit air filter clean.

[Constant Frequency Operation Method (Test mode)]

1. Operate on Heating mode, and press TEST button of remote control.

2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automat

(1) Indoor/Outdoor Temperature - Outdoor High Pressure Curve

ASYB09LDC ASYB12LDC

(2) Indoor/Outdoor Temperature - Outdoor Total Electric Current Curve

ASYB09LDC ASYB12LDC

Measure the high pressure with the pressure meter at the service valve. Measure the
outdoor unit overall current with the current clamp meter at Power Cable.

2.10

2.20

2.30

2.40

2.50

2.60

2.70

2.80

2.90

02468101214

Outdoor ambient temperature C

Outdoor High Pressure (Mpa)

Indoor inlet temp 15 C

Indoor inlet temp 20 C

Indoor inlet temp 23 C

3.50

3.60

3.70

3.80

3.90

4.00

4.10

4.20

4.30

4.40

02468101214

Outdoor ambient temperature C

Outdoor Total Electric Current (A)

Indoor inlet temp 15 C

Indoor inlet temp 20 C

Indoor inlet temp 23 C

2.40

2.50

2.60

2.70

2.80

2.90

3.00

3.10

3.20

3.30

02468101214

Outdoor ambient temperature C

Outdoor High Pressure (Mpa)

Indoor inlet temp 15 C

Indoor inlet temp 20 C

Indoor inlet temp 23 C

5.00

5.20

5.40

5.60

5.80

6.00

6.20

6.40

02468101214

Outdoor ambient temperature C

Outdoor Total Electric Current (A)

Indoor inlet temp 15 C

Indoor inlet temp 20 C

Indoor inlet temp 23 C

length

08-05

Outdoor Unit Low Pressure Value and Outdoor Total Electric Current Curve (Cooling)

Model Name : ASYA14LCC, ASYA18LCC

[Condition]
Ambient

temperature

Indoor / Outdoor - Same temperature

Refrigerant

amount

Standard amount

Piping 7.5m (Height difference 1m)

Power

voltage

50Hz - 230V

Operation

condition

TEST mode (Cooling), Hi Fan, Horizontal direction, Front air flow

Measuring

method

Caution

Start operation with the condition of the Indoor Unit air filter clean.

[Constant Frequency Operation Method (Test mode)]

1. Operate on Colling mode, and press TEST button of remote control.

2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automatically.)

(1) Indoor/Outdoor Temperature - Outdoor Low Pressure Curve

ASYA14LCC ASYA18LCC

(2) Indoor/Outdoor Temperature - Outdoor Total Electric Current Curve

ASYA14LCC ASYA18LCC

Measure the low pressure with the pressure meter at the service valve. Measure the
outdoor unit overall current with the current clamp meter at Power Cable.

0.8

0.9

1

1.1

1.2

1.3

1.4

15 20 25 30 35

In/Outdoor ambient temperature C

Outdoor Low Pressure (Mpa)

Relative Humidity 50%

Relative Humidity 60%

Relative Humidity 70%

3

3.5

4

4.5

15 20 25 30 35

In/Outdoor ambient temperature C

Outdoor Total Electric Current (A)

Relative Humidity 50%

Relative Humidity 60%

Relative Humidity 70%

0.7

0.8

0.9

1

1.1

1.2

1.3

15 20 25 30 35

In/Outdoor ambient temperature C

Outdoor Low Pressure (Mpa)

Relative Humidity 50%

Relative Humidity 60%

Relative Humidity 70%

4

4.5

5

5.5

6

15 20 25 30 35

In/Outdoor ambient temperature C

Outdoor Total Electric Current (A)

Relative Humidity 50%

Relative Humidity 60%

Relative Humidity 70%

length

08-06

Outdoor Unit High Pressure Value and Outdoor Total Electric Current Curve (Heating)

Model Name : ASYA14LCC, ASYA18LCC

[Condition]
Ambient

temperature

Indoor 15 - 23degC, Outdoor 2 - 12degC

Refrigerant

amount

Standard amount

Piping 7.5m (Height difference 1m)

Power

voltage

50Hz - 230V

Operation

condition

TEST mode (Heating), Hi Fan, Lower direction, Front air flow

Measuring

method

Caution

Start operation with the condition of the Indoor Unit air filter clean.

[Constant Frequency Operation Method (Test mode)]

1. Operate on Heating mode, and press TEST button of remote control.

2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automatically.)

(1) Indoor/Outdoor Temperature - Outdoor High Pressure Curve

ASYA14LCC ASYA18LCC

(2) Indoor/Outdoor Temperature - Outdoor Total Electric Current Curve

ASYA14LCC ASYA18LCC

Measure the high pressure with the pressure meter at the service valve. Measure the
outdoor unit overall current with the current clamp meter at Power Cable.

6.5

7

7.5

8

8.5

9

051015

Outdoor ambient temperature [degC]

Outdoor Total Electric Current (A)

Indoor inlet temp :15 C
Indoor inlet temp :20 C
Indoor inlet temp :23 C

length

08-07

2.50

2.70

2.90

3.10

3.30

3.50

3.70

3.90

0 2 4 6 8 101214

Outdoor ambient temparature [degC]

High-pressure of outdoor unit [MPa]

Indoor inlet temp

15degC

Indoor inlet temp

20degC

Indoor inlet temp

23degC

6.00

6.20

6.40

6.60

6.80

7.00

7.20

7.40

7.60

7.80

8.00

02468101214

Outdoor ambient temparature [degC]

Outdoor total electric current [A]

Indoor inlet temp

15degC

Indoor inlet temp

20degC

Indoor inlet temp

23degC

3

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

4

02468101214

Outdoor ambient temparature [degC]

High-pressure of outdoor unit

[MPa]

15degC
20degC Indoor ambient temp. )
23degC

0.00 33.62 1.15 0.00 176.03 1.10

5.00 25.93 1.39 5.00 134.23 1.36

10.00 20.18 1.66 10.00 103.34 1.63

15.00 15.84 1.94 15.00 80.28 1.92

20.00 12.54 2.22 20.00 62.91 2.21

25.00 10.00 2.50 25.00 49.70 2.51

30.00 8.04 2.77 30.00 39.57 2.79

35.00 6.51 3.03 35.00 31.74 3.06

40.00 5.30 3.27 40.00 25.64 3.30

45.00 4.35 3.48 45.00 20.85 3.53

50.00 3.59 3.68 50.00 17.06 3.73

55.00 2.98 3.85 55.00 14.10 3.90

60.00 2.47 4.00 60.00 11.64 4.55

65.00 2.09 4.14 65.00 9.69 4.19

70.00 1.76 4.25 70.00 8.12 4.30

75.00 1.49 4.35 75.00 6.83 4.40

80.00 1.27 4.44 80.00 5.78 4.48

85.00 1.09 4.51 85.00 4.91 4.55

90.00 0.93 4.57 90.00 4.19 4.61

95.00 0.81 4.63 95.00 3.59 4.66

100.00 0.70 4.67 100.00 3.09 4.71

0.00 175.70 0.18 -20.00 49.20 2.66 -20.00 115.24 1.25

5.00 134.93 0.24 -15.00 36.58 3.02 -15.00 84.21 1.56

10.00 104.59 0.30 -10.00 27.51 3.35 -10.00 62.28 1.90

15.00 81.79 0.31 -5.00 20.91 3.64 -5.00 46.58 2.26

20.00 64.50 0.38 0.00 16.05 3.89 0.00 35.21 2.61

25.00 51.27 0.47 5.00 12.44 4.09 5.00 26.88 2.94

30.00 41.07 0.70 10.00 9.73 4.26 10.00 20.72 3.25

35.00 33.13 0.84 15.00 7.67 4.40 15.00 16.12 3.52

40.00 26.91 0.99 20.00 6.10 4.51 20.00 12.64 3.76

45.00 22.01 1.16 25.00 4.89 4.60 25.00 10.00 3.97

50.00 18.10 1.34 30.00 3.95 4.67 30.00 7.97 4.14

55.00 14.98 1.54 35.00 3.21 4.73 35.00 6.40 4.28

60.00 12.47 1.74 40.00 2.62 4.78 40.00 5.18 4.41

65.00 10.44 1.95 45.00 2.16 4.81 45.00 4.21 4.51

70.00 8.78 2.16 50.00 1.79 4.85 50.00 3.45 4.59

75.00 7.42 2.36 55.00 1.49 4.87 55.00 2.85 4.65

80.00 6.31 2.57 60.00 1.25 4.89 60.00 2.36 4.71

85.00 5.38 2.76 65.00 1.05 4.91 65.00 1.97 4.76

90.00 4.61 2.95 70.00 0.89 4.92 70.00 1.65 4.79

95.00 3.97 3.13 75.00 0.76 4.93 75.00 1.39 4.83

100.00 3.43 3.30 80.00 0.65 4.94 80.00 1.18 4.85

105.00 2.98 3.45 85.00 0.56 4.95 85.00 1.00 4.87

110.00 2.59 3.60 90.00 0.48 4.96 90.00 0.85 4.89

115.00 2.26 3.73 95.00 0.41 4.96 95.00 0.73 4.91

120.00 1.99 3.85 100.00 0.36 4.97 100.00 0.63 4.92

0.00

5.00

10.00

15.00

20.00

25.00

30.00

35.00

40.00

0.00 10.00 20.00 30.00 40.00 50.00 60.00

0.00

20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

0.00 20.00 40.00 60.00 80.00

0.00

20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

0.00 20.00 40.00 60.00 80.00 100.00 120.00

0.00

10.00

20.00

30.00

40.00

50.00

-20.00 0.00 20.00 40.00 60.00 80.00

0.00

20.00

40.00

60.00

80.00

100.00

120.00

-20.00 0.00 20.00 40.00 60.00

Thermistor resistance values

Room temperature thermistor

Temp ( C)

Resistance(k )

Voltage(V)

Indoor heat exchanger thermistor

Temp ( C)

Resistance(k )

Voltage(V)

Characteristics of room temperature thermistor

Resistance (k )

Temperature ( C)

Characteristics of heat exchanger thermistor (Indoor)

Resistance (k )

Temperature ( C)

Discharge thermistor

Temp ( C)

Resistance(k )

Voltage(V)

Outdoor heat exchanger thermistor

Temp ( C)

Resistance(k )

Voltage(V)

Temp ( C)

Resistance(k )

Voltage(V)

Outdoor temperature thermistor

Characteristics of discharge thermistor

Resistance (k )

Temperature ( C)

Resistance (k )

Temperature ( C)

Characteristics of heat exchanger thermistor (Outdoor)

Resistance (k )

Temperature ( C)

Characteristics of outdoor temperature thermistor

08-08

ASYA09LCC Capacity/Input data (1/2)

< Capacity >

<Input>

*Defrosting operation is performed when temperature is less than 5.5 degrees C.
Frost appears on an outdoor unit heat exchanger at 5.5 or less degrees C.
*Solid line:Integral capacity/Input containing the defrosting cycle.
*Dotted line:Capacity/Input which does not contain the defrosting cycle.

Heating

40%

50%

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

-15 -10 -5 0 5 10 15 20 25

Capacity(%)

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

190%

200%

210%

220%

-15 -10 -5 0 5 10 15 20 25

Input(%)

Rated
operation

24

24

Maximum

operation

5.5

5.5

Rated
operation

Maximum

operation

Without Frost

Without Frost

With Frost

Without Frost

With Frost

Without Frost

IndoorDB:20 C

Outdoor DB( C)

Outdoor DB( C)

IndoorDB:20 C

08-09

(2/2)

< Capacity >

<Input>

Cooling

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

10 15 20 25 30 35 40 45

Capacity(%)

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

10 15 20 25 30 35 40 45

Input(%)

43

43

Indoor:27/19 C

Outdoor DB( C)

Indoor:27/19 C

Outdoor DB( C)

08-10

ASYA12LCC Capacity/Input data (1/2)

< Capacity >

< Input >

*Defrosting operation is performed when temperature is less than 5.5 degrees C.
Frost appears on an outdoor unit heat exchanger at 5.5 or less degrees C.
*Solid line:Integral capacity/Input containing the defrosting cycle.
*Dotted line:Capacity/Input which does not contain the defrosting cycle.

Heating

40%

50%

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

-15 -10 -5 0 5 10 15 20 25

)

Capacity(%)

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

-15 -10 -5 0 5 10 15 20 25

Input(%)

Rated
operation

24

24

5.5

Maximum

operation

5.5

Without Frost

Without Frost

With Frost

Rated
operation

Maximum
operation

Without Frost

With Frost

Without Frost

IndoorDB:20 C

IndoorDB:20 C

Outdoor DB( C

Outdoor DB( C)

08-11

(2/2)

< Capacity >

< Input >

*Both capacity and input decrease when temperature is 19 or less degrees C, for compressor
frequency restrictions operate.
*Both capacity and input decrease when temperature is 43 or more degrees C, as compressor speed is
decreased due to current release protection.

Cooling

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

10 15 20 25 30 35 40 45

Capacity(%)

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

10 15 20 25 30 35 40 45

Input(%)

43

19

19

43

Indoor:27/19 C

Outdoor DB( C)

Indoor:27/19 C

Outdoor DB( C)

08-12

ASYA18LCC Capacity/Input data (1/2)

Heating

*Defrosting operation is performed when temperature is less than 5.5 degrees C.
Frost appears on an outdoor unit heat exchanger at 5.5 or less degrees C.
*Solid line:Integral capacity/Input containing the defrosting cycle.
*Dotted line:Capacity/Input which does not contain the defrosting cycle.

< Capacity >

< Input >

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

-15 -10 -5 0 5 10 15 20 25

Outdoor DB( C)

Input(%)

5.5 2417

12

Current release works

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

130%

140%

-15 -10 -5 0 5 10 15 20 25

Capacity(%)

24

12

17

Current release works

Rated
operatio

Without Frost

Without Frost

Without Frost

Rated
operation

Without Frost

With Frost

With Frost

Maximum operation
Current release works

5.5

Maximum operation
Current release works

Indoor DB:20 C

Outdoor DB( C)

Indoor DB:20 C

08-13

(2/2)

Cooling

*Both capacity and input decrease when temperature is 19 or less degrees C, for compressor
frequency restrictions operate.
*Both capacity and input decrease when temperature is 40 or more degrees C, as compressor speed is
decreased due to current release protection.
*Both capacity and input change largely when temperature is 10 or less degrees C, as outdoor fan speed
is decreased due to low ambient temperature cooling control.
*Both capacity and input change more largely at less than 0 degrees C of ambient temperature as
outdoor fan speed is decreased further.

<Capacity>

< Input >

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

-10 0 10 20 30 40

Capacity(%)

19

43

20%

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

-10 0 10 20 30 40

Input(%)

19

43

Indoor : 27/19 C

Outdoor DB( C)

Indoor : 27/19 C

Outdoor DB( C)

08-14

ASYB09LDC Capacity/Input data (1/2)

< Capacity >

< Input >

*Defrosting operation is performed when temperature is less than 5.5 degrees C.
Frost appears on an outdoor unit heat exchanger at 5.5 or less degrees C.
*Solid line:Integral capacity/Input containing the defrosting cycle.
*Dotted line:Capacity/Input which does not contain the defrosting cycle.

Heating

40%

50%

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

-15-10-5 0 5 10152025

)

Capacity(%)

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

190%

200%

210%

220%

-15 -10 -5 0 5 10 15 20 25

Input(%)

Rated
operatio

24

24

Maximum
operation

5.5

5.5

Rated
operatio

Maximum

operation

Without Frost

Without Frost

With Frost

Without Frost

With Frost

Without Frost

IndoorDB:20 C

Outdoor DB( C

IndoorDB:20 C

Outdoor DB( C)

08-15

(2/2)

< Capacity >

< Input >

*Both capacity and input change more largely at less than 0 degrees C of ambient temperature as

outdoor fan speed is decreased further.

*Both capacity and input change largely when temperature is 10 or less degrees C, as outdoor fan speed

is decreased due to low ambient temperature cooling control.

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

-100 10203040

Capacity(%)

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

-10 0 10203040

Input(%)

43

43

Indoor:27/19 C

Outdoor DB( C)

Indoor:27/19 C

Outdoor DB( C)

08-16

ASYB12LDC Capacity/Input data (1/2)

< Capacity >

< Input >

*Defrosting operation is performed when temperature is less than 5.5 degrees C.
Frost appears on an outdoor unit heat exchanger at 5.5 or less degrees C.
*Solid line:Integral capacity/Input containing the defrosting cycle.
*Dotted line:Capacity/Input which does not contain the defrosting cycle.

Heating

40%

50%

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

-15 -10 -5 0 5 10 15 20 25

Capacity(%)

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

-15 -10 -5 0 5 10 15 20 25

Input(%)

Rated
operation

24

24

5.5

IndoorDB:20 C

Maximum

operation

5.5

Without Frost

Without Frost

With Frost

Rated
operatio

Maximum

operation

Without Frost

With Frost

Without Frost

Outdoor DB( C)

IndoorDB:20 C

Outdoor DB( C)

08-17

(2/2)

< Capacity >

< Input >

decreased due to current release protection.

Cooling

*Both capacity and input decrease when temperature is 40 or more degrees C, as compressor speed is

*Both capacity and input decrease when temperature is 19 or less degrees C, for compressor
frequency restrictions operate.

Both capacity and input change largely when temperature is 10 or less degrees C, as outdoor fan speed

is decreased due to low ambient temperature cooling control.

Both capacity and input change more largely at less than 0 degrees C of ambient temperature as

outdoor fan speed is decreased further.

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

-10 0 10203040

Capacity(%)

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

-10 0 10 20 30 40

Input(%)

43

19

19

43

Indoor:27/19 C

Outdoor DB( C)

Indoor:27/19 C

Outdoor DB( C)

08-18

9 . REPLACEMENT PARTS

R410A

WALL MOUNTED type

INVERTER

REPLACEMENT PARTS

09-01

Models : ASYA07LCC

ASYA09LCC

INVERTER

REPLACEMENT PARTS

09-02

Models : ASYA07LCC

ASYA09LCC

REPLACEMENT PARTS

09-03

Models : AOYR07LCC

AOYR09LCC

REPLACEMENT PARTS

09-04

Models : AOYR07LCC

AOYR09LCC

REPLACEMENT PARTS

09-05

Models : AOYR07LCC

AOYR09LCC

REPLACEMENT PARTS

09-06

Models : ASYA12LCC

INVERTER

REPLACEMENT PARTS

09-07

Models : ASYA12LCC

REPLACEMENT PARTS

09-08

Models : AOYR12LCC

REPLACEMENT PARTS

09-09

Models : ASYA14LCC

ASYA18LCC

INVERTER

REPLACEMENT PARTS

09-10

Models : ASYA14LCC

ASYA18LCC

REPLACEMENT PARTS

09-11

Models : AOYR14LCC

AOYR18LCC

REPLACEMENT PARTS

09-12

Models : AOYR14LCC

AOYR18LCC

REPLACEMENT PARTS

09-13

Models : ASYB09LDC

ASYB12LDC

INVERTER

REPLACEMENT PARTS

09-14

Models : ASYB09LDC

ASYB12LDC

REPLACEMENT PARTS

09-15

Models : AOYS09LDC

AOYS12LDC

PROCESS

MODEL:AOYR07/09LCC

Wiring lead wire

REGULATIONS

Like a rough sketch, wire COMP lead wire and REACTOR lead wire.

Like a rough sketch, pass each lead wire to guide for the lead wire of HOLDER(PWB).

Each lead wire are wired without sag and twist ,and must be in the ditch of HOLDER(PWB).

Like a rough sketch, Assemble the WIRE.

VIEW A

VIEW A

DB

PWB

Less than 12.5mm

REACTOR lead wire

COMP lead wire

Through the Comp. lead upper side of the reactor lead.

REPLACEMENT PARTS

09-16

Process

Model:AOYR07/09LCC

Connection of leads to inverter assy

REPLACEMENT PARTS

09-17

Process

Model:AOYR07/09LCC

Shaping of leads to inverter assy

REPLACEMENT PARTS

09-18

Model : AOYR07/09LCC

09-19

REPLACEMENT PARTS

09-20

PROCESS

Model : AOYR14/18LCC

ATTACHMENT OF INVERTER ASSY

INVERTER ASSY

Tap tight screw

(TERMINAL BRACKET)

Do not run up the terminal board mounting metal
on 2 location of hook.

THERMISTOR (OUT TEMP) is passed here.

(SEPARATER)

1

1

2

2

A

A

REPLACEMENT PARTS

09-21

PROCESS

Model : AOYR14/18LCC

1

6

5

4

3

2

1

2

3

4
5

6

7

The leads are connected with INVERTER ASSY

MOTOR LEAD

THERMISTOR ASSY (COND, DIS)

THERMISTOR (OUT TEMP)

SOLENOID LEAD

COIL (EXP VLV) LEAD

COMP LEAD

WIRE CLAMPER

A

A

B

4

is fixed to HOLDER

PWB side

SOLENOID side

is fix ed to WAIRE CLAMPER

C

C

4

6

7

7

7

4

5~15mm

20~30mm