Fujitsu ASYA24LCC, AOYR30LCT, ASYA30LCC, AOYR24LCC Service Instructions Manual

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SPLIT TYPE ROOM AIR CONDITIONER

WALL MOUNTED

type

Models Indoor unit Outdoor unit

ASYA24LCC ASYA30LCC

AOYR24LCC AOYR30LCT

INVERTER

SERVICE

INSTRUCTION

R410A

The model that describes in the text includes the following model.

Description model Included model

ASYA24LCC AOYR24LCC ASYA30LCC AOYR30LCT

AOYR24LCL

CONTENTS

1. SPECIFICATION

ASYA24LCC, AOYR24LCC............................................................................................

2. DIMENSIONS

ASYA24LCC, AOYR24LCC, ASYA30LCC, AOYR30LCT...............................................

ASYA30LCC....................................................................................................................

3. REFRIGERANT SYSTEM DIAGRAM

ASYA24LCC, AOYR24LCC............................................................................................

ASYA30LCC, AOYR30LCT.............................................................................................

4. CIRCUIT DIAGRAM

ASYA24LCC, AOYR24LCC.............................................................................................

ASYA30LCC, AOYR30LCT.............................................................................................

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 ( 3 MINUTES ST )................................

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

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

21. FORCED COOLING OPERATION.............................................................................

17. COIL DRY OPEARTION CONTROL..........................................................................

16. COMPRESSOR PREHEATING..................................................................................

18. DEFROST OPERATION CONTROL..........................................................................

20. VARIOUS PROTECTIONS.........................................................................................

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

01-01

02-01 02-02

AOYR30LCT.................................................................................................................... 02-03

03-01 03-02

04-01 04-02

05-01 05-02 05-03 05-04 05-05 05-07 05-08 05-10 05-11 05-13 05-13

05-13 05-13 05-14

05-20

22. COMPRESSOR STOP CONTROL............................................................................. 05-20

05-14 05-14

05-15 05-17 05-18

05-13

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................................

2. THERMISTOR RESISTANCE VALUES.....................................................................

3. CAPACITY/INPUT DATA...........................................................................................

9. REPLACEMENT PARTS

10. INSTALLATION MANUAL

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

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

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

8. TROUBLE SHOOTING OF REFRIGERANT CYCLE.................................................

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

07-01 07-02

07-03 07-08

07-09

7. ACTIVE FILTER DAILURE......................................................................................... 07-10

08-01

08-02 08-04

09-01 09-12

07-11

1 . SPECIFICATIONS

R410A

WALL MOUNTED type

INVERTER

SPECIFICATIONS

01-01

MODEL NAME

POWER SOURCE

PHASE

FREQUENCY

VOLTAGE

COOLING PERFORMANCE

Btu /h

CAPACITY

POWER CONSUMPTION

EER

kW /kW

Btu /(h.W)

RUNNING CURRENT

POWER FACTOR

MAXIMUM CURRENT

MOISTURE REMOVAL

L /hr

Pt /h

INDOOR UNIT

OUTDOOR UNIT

QUIET

Btu /h

CAPACITY

POWER CONSUMPTION

COP

kW /kW

Btu /(h.W)

RUNNING CURRENT

POWER FACTOR

MAXIMUM CURRENT

OPERATING NOISE

(SOUND PRESSURE)

INDOOR UNIT

OUTDOOR UNIT

QUIET

COMPRESSOR

TYPE

OUTPUT

AIR CIRCULATION

(FAN MODE)

INDOOR UNIT

OUTDOOR UNIT

m3 /h

cfm

m3 /h

cfm

STARTING CURRENT

MAX PRESSURE

HIGH SIDE

LOW SIDE

PERMISSIBLE OUTDOOR

TEMPERATURE

COOLING

HEATING

kPa

°F

°C

°F

°C

HEATING PERFORMANCE

OTHER INDICATION

ASYA24LCC AOYR24LCC

ASYA30LCC AOYR30LCT

230

7.10

(0.9~8.0)

24,200

(3,100~27,300)

2.21

(0.11~2.62)

3.21

11.0

9.7

12.0

3.0

6.3

8.10

(0.90~10.6)

27,600

(3,100~36,200)

2.24

(0.11~3.68)

3.62

12.4

9.8

17.5

9.00

(2.2~11.0)

30,700

(7,500~37,500)

2.64

(0.50~4.30)

3.41

11.6

19.0

Scroll

1,200

1,100

647

2,340

1,377

9.8

4,120

1,160

14~115

-10~43

5~75 5~75

-15~24 -15~24

230

8.00

(2.9~9.8)

27,300

(9,900~30,700)

2.66

(0.58~3.60)

3.01

10.3

11.7

17.0

3.4

7.2

Rotary

1,700

1,100

647

3,600

2,119

11.7

4,120

1,160

14~115

-10~43

OPERATING NOISE (SOUND PRESSURE)

SPECIFICATIONS

01-02

MODEL NAME

CONNECTING METHOD

PIPE SIZE

LIQUID SIDE

GAS SIDE

INSTALLATION

STANDARD PIPE LENGTH

MAXIMUM PIPE LENGTH

CHARGE LESS PIPE LENGTH

AMOUNT OF ADDITIONAL CHARGE

MAXIMUM HEIGHT DIFFERENCE

NUMBER OF WIRE

NET

DRAIN HOSE LENGTH

GROSS (PACKAGING WEIGHT)

HEIGHT

WIDTH

DEPTH

WIDTH

DEPTH

MAIN UNIT DIMENSIONS

INDOOR UNIT

OUTDOOR UNIT

INDOOR UNIT

OUTDOOR UNIT

INDOOR UNIT

OUTDOOR UNIT

KIND OF REFRIGERANT

AMOUNT OF CHARGING

WEIGHT

OTHER INDICATION

ASYA24LCC AOYR24LCC

ASYA30LCC AOYR30LCT

Flare

6.35

1/4

15.88

5/8"

7.5

3/16

670

26-3/8

106

320

12-5/8

998

39-1/4

228

578

22-3/4

790

31-1/8"

315

12-3/8

319

12-1/2

1,090

42-7/8

429

16-7/8

648

25-1/2

910

35-7/8

380

R410A

1.60

3-1/2

HEIGHT

WIDTH

DEPTH

WIDTH

DEPTH

PACKAGE DIMENSIONS

INDOOR UNIT

OUTDOOR UNIT

in.

ft.

g /m

oz. /ft.

ft.

in.

lbs.

in.

ft.

lbs.

in.

Refrigerant

Flare

9.52

3/8

15.88

5/8"

7.5

164

7/16

670

26-3/8

137

155

320

12-5/8

998

39-1/4

228

830

32-5/8

900

35-3/8

330

319

12-1/2

1,090

42-7/8

429

16-7/8

970

38-1/4

1,050

41-3/8

445

17-1/2

R410A

2.10

4-5/8

2 . DIMENSIONS

R410A

WALL MOUNTED type

INVERTER

DIMENSIONS

Models : ASYA24LCC / AOYR24LCC

02-01

315 (12-3/8")

66 (2-5/8")

790 (31-1/8")

540 (21-1/4")

508 (20")

125 (4-7/8")

320 (12-5/8")

48 (1-7/8")

347 (13-5/8")

578 (22-3/4")

10(3/8")

Unit : mm (inch)

OUTDOOR UNIT

INDOOR UNIT

998 (39-1/4") 228 (9")

320

(12-5/8")

DIMENSIONS

Model : ASYA30LCC

02-02

Unit : mm (inch)

998 (39-1/4")

228 (9")

320

(12-5/8")

DIMENSIONS

Model : AOYR30LCT

02-03

Unit : mm (inch)

77(3")

900 (35-1/2")

830 (32-3/4")

21 (7/8")

(3/8")

400 (15-3/4")

330 (13")

31 (1-1/4")

12 (1/2")

196 (7-3/4")

147 (5-3/4")

170 (6-3/4")

(3-7/8")

370 (14-5/8")

650 (25-5/8")

Air Flow

3 . REFRIGERANT SYSTEM DIAGRAM

R410A

WALL MOUNTED type

INVERTER

REFRIGERANT SYSTEM DIAGRAM

Models : ASYA24LCC / AOYR24LCC

03-01

2-Way

valve

Strainer

3-Way

valve

Muffler

4-Way valve

Expansion valve

Heat exchanger

( INDOOR )

Heat exchanger ( OUTDOOR )

Sub-accumulator

Compressor

Cooling Heating

Refrigerant pipe diameter Liquid : 1/4" (6.35 mm) Gas : 5/8" (15.88 mm)

REFRIGERANT SYSTEM DIAGRAM

Models : ASYR30LCC / AOYR30LCT

03-02

3-Way valve (Small)

3-Way valve (Large)

Strainer

Muffler

Pressure switch

4-Way valve

Expansion valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

Sub-accumulator

Compressor

Cooling

Refrigerant pipe diameter Liquid : 3/8" (9.52 mm) Gas : 5/8" (15.88 mm)

4 . CIRCUIT DIAGRAM

R410A

WALL MOUNTED type

INVERTER

CIRCUIT DIAGRAM

Models : ASYA24LCC / AOYR24LCC

04-01

INDOOR UNIT OUTDOOR UNIT

CN6

432

REMOTE CONTROL UNIT

AR-3TA TYPE (OPTION)

CIRCUIT DIAGRAM

  

Models : ASYA30LCC / AOYR30LCT

04-02

INDOOR UNIT OUTDOOR UNIT

CONTROL BOARD

TEST

BLACK

WHITE

RED

ORANGE

YELLOW

PINK

BLUE

RED

ORANGE

YELLOW

PINK

BLUE

BLACK

WHITE

BLUE

GREEN

RED

BLACK

CN13

CN10

CN3CN1

CN201

TM4

TM1

TM2

CN6

CN5 CN8

CN11

CN2

DISPLAY BOARD

TERMINAL

THERMAL FUSE

THERMISTOR

(PIPE TEMP.)

STEPPING

MOTOR

(DIFFUSER)

STEPPING

MOTOR

(UP

DOWN)

STEPPING

MOTOR

(RIGHT

LEFT)

FAN MOTOR

102 C

1 2 3

432

321

547

321

46321

5 5

4 466 6

3 322 211 1

432

547

321

547

YELLOW

GREEN

BLUE

BLUE BLUE

YELLOW YELLOW

BLACK

BLACK BLACK

PURPLE

WHITE

WHITEWHITE

RED

RED RED

BROWN

ORANGE

WHITE

BLACK

BLACK BLACK

GREEN

RED

BROWN

RED

BLUE

ORANGE

YELLOW

WHITE

BLACK

ORANGE

PURPLE

GRAY

BLACK

WHITE

BROWN

RED

BROWN

RED

ORANGE

CONNECTOR

MAIN PWB

ACTPM

CONNECTOR

POSISTOR

FILTER PWB

FUSE 250V 25A

TERMINAL

TO POWER

SUPPLY

FAN

MOTOR

PMV

4WV

EXPANSION

VALVE

HIGH PRESSURE SW

THERMISTOR(COMPRESSOR TEMP.)

THERMISTOR(OUTDOOR TEMP.)

THERMISTOR(PIPE)

THERMISTOR(DISCHARGE PIPE)

WAY

VALVE

CHOKE COIL

COMPRESSOR

IPM PWB

CAPACITOR

PWB

CN303 CN301

CN42 CN40 CN200 CN400

CN11

W13

W12

W29

CN110

TM600

TM601

CN801

CN700

CN500

CN60

CN61

CN64

CN90

CN1

W18

W17

W21

W20

W19

CN100

W28

W25

W26

W306

W302

W301

W17

W16

TM102

W303

W304

W305

TM101

W307

9321 21

4 632154 6321

321

3 L N21

675

321

654

321

654

9321 21

4321

REMOTE CONTROL UNIT

AR-3TA TYPE (OPTION)

5 . DESCRIPTION OF EACH CONTROL OPERATION

R410A

WALL MOUNTED type

INVERTER

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.

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

* 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.

minimum

frequency

maximum frequency

maximum

frequency ASYA24LCC 15Hz 115Hz 80Hz ASYA30LCC 21Hz 94Hz 67Hz

Outside air Outside air temperature temperature

36 C

A zone

34 C

32 C

B zone

30 C

21 C

C zone

19 C

Hi Me Lo Quiet

A zone 115Hz 66Hz 54Hz 34Hz B zone 115Hz 66Hz 54Hz 34Hz C zone 115Hz 66Hz 54Hz 34Hz

24LCC

D zone

58Hz 45Hz 38Hz 24Hz

A zone 94Hz 64Hz 54Hz 39Hz B zone 94Hz 64Hz 54Hz 39Hz C zone 73Hz 54Hz 48Hz 39Hz

30LCC

D zone

54Hz 48Hz 42Hz 30Hz

( Table 1 : Compressor Frequency Range )

( Fig. 1 : Limit of Maximum Frequency based on Outdoor Temperature )

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

12 C

D zone

10 C

2 C

E zone

0 C

F zone

E zone 58Hz 45Hz 38Hz 24Hz F zone 58Hz 45Hz 38Hz 24Hz

E zone 54Hz 48Hz 42Hz 30Hz F zone 54Hz 48Hz 42Hz 30Hz

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 ASYA24LCC 15Hz 130Hz ASYA30LCC 21Hz 120Hz

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 130Hz 75Hz 62Hz B zone 130Hz 130Hz 75Hz 62Hz

24LCC

C zone 130Hz 130Hz 57Hz 62Hz

* 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

Me 101Hz 101Hz 101Hz

A zone 120Hz 120Hz 54Hz 39Hz B zone 120Hz 120Hz 54Hz 45Hz

30LCC

C zone 120Hz 120Hz 54Hz 45Hz

73Hz 73Hz 73Hz

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 ASYA24LCC 34Hz ASYA30LCC 39Hz

room room temperature temperature

compressor ON

Ts+0.5 C

compressor OFF

Compressor

OFF

Indoor fan

Dry air flow

OFF

10 30 60 180 60 180 60 10 30 (sec)

( Table 3 : Compressor frequency )

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

( Fig.4 : Indoor Fan Control )

05-03

Ts+1.5 C

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.

C zone

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.

( Fig.5 : Outside air temperature zone selection )

05-04

5. INDOOR FAN CONTROL

(1).Fan speed

( Table 5 : Indoor Fan Speed )

ASYA24LCC

Operation mode Air flow mode Speed (rpm)

Hi 1,310

Me+ 1,220

Me 1,120

Lo 940

Quiet 830

Cool air

prevention

650

Heating

S-Lo 250

Hi 1,310

Me 1,120

Lo 940

Cooling Fan

Quiet 830

Dry 830

ASYA30LCC

Operation mode Air flow mode Speed (rpm)

Hi 1,330

Me+ 1,220

Me 1,120

Lo 940

Quiet 830

Cool air

prevention

650

Heating

S-Lo 250

Hi 1,330

Me 1,120

Lo 940

Cooling Fan

Quiet 830

Dry 830

(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.

05-05

(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 mode [HIGH] [QUIET], the indoor motor will run at a constant airflow of [COOL] operation modes QUIET, LOW, MED, MED mode HIGH, as shown in Table 5.

When the room

temperature lowers

(Room temperature) D (Setting temperature)

+1.0 C

LOW mode

+2.0 C

+2.5 C

+1.5 C

(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 will run at a constant airflow of [HEAT] operation modes QUIET, LOW, MED, MED mode HIGH, as shown in Table 5.

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

Cool air prevention

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

-1.0 C

-2.0 C

-1.5 C

-2.5 C

47 C

40 C

37 C

30 C

40 C

Me+

34 C

32 C

28 C

6. OUTDOOR FAN CONTROL

(1). Fan speed

Outdoor temperature

ASYA24LCC

Heating

1100/1000/730/670/550/450rpm

ASYA30LCC

ASYA24LCC

900/780/700/550/450rpm

Table 6 : Fan speed (Cooling, Dry)

Table 7 : Fan speed (Heating)

The outdoor fan speed is changed in the range of the speed shown in the above table, based on the frequency of the compressor. (When the compressor frequency increases, the outdoor fan speed is also changed to higher speed. If the compressor frequency decreases, the outdoor fan speed is changed to the lower speed as well.) After starting up the outdoor fan, it operates with the following speed for initial 20 seconds.

Table 8 : Fan speed when starting up Outdoor fan

After operating the defrost control function on heating mode, its speed becomes 1,000rpm regardless of the compressor frequency. However, it returns to the normal speed control when the defrosting operation does not function for 240 minutes after releasing the defrost operation or when the outdoor temperature sensor detection value becomes higher than 5 C.

05-07

Over than 12 C

Less than 12 C

Cooling

950/820/670/500rpm

400/280/230rpm

ASYA30LCC

850/780/700/500rpm

500/320/250/200rpm

Dry

550rpm

400/280/230rpm

550/450rpm

500/320/250/200rpm

Outdoor temperature

ASYA24LCC

Speed

500rpm

200rpm

ASYA30LCC

500rpm

200rpm

Less than 12 C

Over than 12 C

Less than 12 C

7. LOUVER CONTROL

(1). 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 20minutes, they will automatically return to position .

During Monitor operation in AUTO CHANGEOVER mode, the airflow direction automatically becomes , the horizontal airflow direction does not cahnge, and it cannot be adjusted.

(Function Range)

(Fig 9: Air Direction Range)

(Operation Range)

05-08

When the indoor control interface device receives a control signal light from the remote control, it will actuate, the step motor according to the control signal, and set the louver to each position. In addition, if the air conditioner is stopped, vertical louver will be closed automatically.

Vertical Air Direction Adjustment

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

(Function Range)

Horizontal Air Direction Adjustment

Cooling mode / Dry mode / Fan mode( ) Heating mode / Fan mode( )

(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 at S-Lo or Stop mode, the swinging operation is interrrupted

and it stops at either right end or left end.

05-09

3 6

To select Vertical Airflow Swing Operation

To select Horizontal Airflow Swing Operation

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

All mode :

(Swinging Range)

When the indoor fan is S-Lo or Stop mode, the swinging operation is interrrupted

and it stops at either upper end or bottom end.

To select Vertical and Horizontal Airflow Swing Operation

When the horizontal swing signal is input from remote control, the combination of the vertical

and horizontal swing operation is performed.

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 9.

Cooling Heating

Min Max Min Max

Dry

ASYA24LCC 15Hz 115Hz 15Hz 130Hz

21Hz 120Hz

34Hz

ASYA30LCC 21Hz

94Hz

39Hz

ASYA24LCC 40Hz ASYA30LCC 40Hz

59Hz

(Table 9 : 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

(Frequency)

(Time)

Frequency

Time Time

Frequency

Time

Frequency

05-10

ASYA24LCC 500sec ASYA30LCC 60sec 40sec

ASYA24LCC ASYA30LCC

9. TIMER OPEARTION CONTROL

(1). OFF TIMER AND ON TIMER

The table 10 shows the available timer setting based on the product model.

ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER ASYA24LCC ASYA30LCC

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 : Depending on the difference between the actual room temperature and the set temperature value, the unit will start operation automatically in order to bring the room temperature to the desired set temperature value by the timer previously set.

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 10 : Timer Setting)

(2). PROGRAM TIMER

Stop mode

Operation mode

Set time

Set time Set time Set time

05-11

(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 )

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.

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.

Set

30min

05-12

+2.0 C +1.0 C

-1.0 C

-2.0 C

-3.0 C

-4.0 C

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.

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 3 minutes 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 3 minutes 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

05-13

ASYA24LCC

Pulse range

ASYA30LCC

60 480 pulse 40 480 pulse

(1) Pulse range of EEV

(2) The EEV is set up at 480 pulses when the compressor is stopped.

(3) Intialization (Input of 528 pulses toward closing direction) is operated under the following condition.

* When the power is turned on. * 3 hours has passed since the last initialization, and 3 minutes has passed after the compressor stop. (If 12 hours has passed since the last initialization, the compressor is compulsorily stopped.)

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.

ASYA24LCC ASYA30LCC

ASYA24LCC

940rpm 27Hz

(Table 12)

(No timer setting available)

16. COMPRESSOR PREHEATING

(Table 13 : Preheating Operation / Release Temperature)

Temperature

5 C

17. COIL DRY OPERATION CONTROL

The coil-dry operation functions by pressing Coil Dry operation 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.) Following table indicates the indoor unit setting on the coil-dry operation.

(Table 14 : Coil-dry Operating Functions)

Indoor Fan Speed

Compressor Frequency

Louver Position

Main Unit Indication

Coil-dry indication : ON Other indication : OFF

05-14

Vertical Horizontal

ASYA30LCC

940rpm 33Hz

Coil-dry indication : ON Other indication : OFF

5 C

7 C 7 C

18. 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)

ASYA24LCC

1 time defrosting after starting operation

Defrosting after 2 time upon starting operation

Compressor operating time

Less than 17 minutes 17 to 60 minutes

60 minutes to 4 hours

After 4 hours

Does not operate

- 9 C

- 5 C

- 3 C

Less than 35 minutes

35 minutes to 4 hours

Does not operate

Compressor operating time

After 4 hours

- 3 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 13 C or Compressor operation time has passed 15 minutes.

05-15

ASYA30LCC

Does not operate

- 9 C

- 5 C

- 3 C

ASYA30LCC

Does not operate

- 3 C

- 6 C

ASYA30LCC

Outdoor heat exchanger temperature sensor value is higher than 13 C or Compressor operation time has passed 15 minutes.

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 17 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 13 C

or Compressor ON time: Over 15 minutes

Defrost end

Below - 5 C

Below - 3 C

Below - 6 C

Below - 3 C

05-16

19. 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.

ASYA24LCC

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 13 C

Compressor ON time:

Over 15 minutes

Defrost end

(2). OFF DEFROST END CONDITION

Release Condition

Outdoor heat exchanger temperature sensor value is higher than 13 C or Compressor operation time has passed 15 minutes.

7 sec ON / 2 sec OFF

05-17

ASYA30LCC

Outdoor heat exchanger temperature sensor value is higher than 13 C or Compressor operation time has passed 15 minutes.

20. VARIOUS PROTECTIONS

(1). DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION CONTROL

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

ASYA24LCC

104 C

101 C 110 C

ASYA30LCC

ASYA24LCC

OT (Control / Release)

10.5A / 10.0A

17 C

13.0A / 12.5A

12 C

15.0A / 14.5A

17.0A / 16.5A

ASYA24LCC ASYA30LCC

ASYA30LCC

7.0A / 6.5A

46 C

9.5A / 9.0A

40 C

11.5A / 11.0A

9.0A / 8.5A

10.0A / 9.5A

13.0A / 12.5A

11.0A /10.5A

13.0A /12.5A

15.0A /14.5A

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

(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 (Control / Release)

5 C

50 C

46 C

17 C

12 C

05-18

16.0A / 15.5A

18.0A /17.5A

40 C

5 C

(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 .

ASYA24LCC

ASYA30LCC

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

TemperatureTemperature

4 C

7 C

Temperature

Outdoor

Over than 12 C

13 C

104 C

101 C

110 C

Over than 12 C

Less than 12 C

4 C 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.

ASYA24LCC

67 C

ASYA30LCC 67 C

Temperature

Indoor heat exchange temperature

Over than 15Hz Less than 15Hz OFF

ASYA24LCC

53 C

(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. (The control system is different depending on the product model)

(Fig 11 : Heating Overload Protection Control)

[ Control System ]

Temperature

ASYA24LCC

ASYA30LCC

Temperature

Refer to below

Temp

Compressor Operation

Frequency down every 60 seconds

Over than 15Hz Less than 15Hz OFF

Frequency down every 60 seconds

05-19

(6). COMPRESSOR TEMPERATURE PROTECTION

When the compressor temperature sensor detects higher than Temperature in the table below, the compressor is stopped. The protection is released when the compressor temperature sensor detects Temperature in the table below after 3 minutes of compressor stop.

(Table 22 :Operating Temperature of Compressor Protection)

Temperature

ASYA30LCC

(7). HIGH PRESSURE PROTECTION

When the pressure switch becomes OFF (open : higher than 609.2 psi /4.2 Mpa), the compressor is stopped. It is released when the pressure switch becomes ON (close : lower than 464.1 psi/3.2 Mpa) after 3 minutes of compressor stop.

50 C

ASYA30LCC

53 C

50 C

120 C

80 C

21. FORCED COOLING OPERATION

05-20

The forced cooling operation starts up when MANUAL / AUTO button is pressed more than 10 seconds. During the forced cooling operation, it keeps operation regardless of detection value of room temperature sensor. Operation LED and Timer LED light up while the unit is on the forced cooling operation. The forced cooling operation is released after 60 minutes from starting time.

22. COMPRESSOR STOP CONTROL

When the detection value of outdoor temperature sensor is lower than Temp in the table below, the compressor is stopped.

(Table 23 : Operation temperature of compressor stop control)

Temp

ASYA24LCC ASYA30LCC

Cooling Heating

-15 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"

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

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

Vacuuming

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 gauge Fig.4-15

Vacuum Valve Fig.4-16

Safety charger Fig.4-13

Control Valve Fig.4-14

Vacuum holder Fig.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

Refrigerant cylinder

Vacuum control

Low pressure

High pressure

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.

5/8”(15.88mm)

R410A

19.7

R22 /R407C

19.4

3/4”(19.05mm)

R410A

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

> =

JIS H3300-C1220T-H or equivalent

COPPER

JIS H3300-C1220T-O or equivalent

COPPER

Pipe diameter, recommended material and wall thickness

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

100

(Year)

(%)

(HCFC consumption of 1989) +

(CFC consumption of 1989) x 2.8%

65%

35%

10%

0.5%

started control

only service use

total abolition

100% =

06-05

Ozone Layer depleting mechanism

CFC

CFCl

Cl Ozone

(O3)

ClO

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)

HFC3 : Hydro-Fluoro-Carbon

R407C (for air conditioner)

Refrigerant characteristics

R22

Composition

(wt%)

R22

(100)

Boiling Point

- 40.8

Behavior ---

Pressure at 54.5

(kPa)

2,151

Temperature Glide

(deg)

ODP 0.055

R407C

R32/R125/R134a

(23/25/52)

- 43.6

zeotrope

2,262

5.4

R410A

R32/R125

(50/50)

- 51.4

near azeotrope

3,406

0.11

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 * Active filter error 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? (3) Check if each connector is inserted securely.

[Checking Flow Chart]

Is AC input voltage from AC outlet normal ?

Is AC voltage between VA 1 normal?

Is DC voltage between terminal of C5 normal?

Is DC voltage between terminals of C7 and C12

Is DC voltage between terminal 1 & 2 of IC6 normal?

YES (AC230V)

Is DC voltage between terminals of C9

YES (C7:DC20V)

(C12:DC13.5 1V)

YES (DC12 14V)

Terminal board temperature

fuse is blown or CN1 is loose

(IC2, T1 or IC3 defective)

IC4 defective

YES (DC15V)

Is DC voltage between terminals 3 & 4 of IC7 normal?

YES (Pulse wave of DC5Vp-p)

IC7 defective

(F1, VA1 defective)

Input power supply failure

Controller PCB defective

Switching power circuit

(F2, D1, R1 defective)

07-01

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.)

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 is on, the starts to operates from remote control.

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

(3) By pressing [TEST] button of remote control, indicated only during.

[3 minutes ST].

(3 minutes ST : 3 minutes from the timing AC is ON)

[Lamp display]

3 minutes delay

Turn off Operating Error Indication

Normal indication after 3min.ST

Indication

AC ON Start operation Input TEST signal

How to erase Memory

(1) 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.

(Indoor unit buzzer beeps 3 seconds.)

07-02

Self - diagnosis function and Checking points

Error Indication

Wired remote controller

Opera

tion

Timer

Small Div. Contents

(Protection)

Diagnosis Method

OFF 0.5 sec

2 times

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.)

OFF 0.5 sec

3 times

Serial reverse transfer error during the operation

When the indoor unit does not receive the signal for 10 consecutive seconds during the operation > 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.)

OFF 0.5 sec

4 times

Serial forward transfer error at starting up operation

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

OFF 0.5 sec

5 times

Serial forward transfer error during the operation

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.)

07-03

OFF 0.5 sec

8 times

Wired remote controller error

Error contents

Transmission error

When the communication is cut off longer than 1 minutes upon connection.

> Compressor , Outdoor fan : OFF (If the communication becames normal, they automatically resume operation.

[Diagnosis Point]

- Check wiring

- Controller PCB failure

0.5

sec.

2 times

0.5 sec 2 times

Room temperature thermistor defective

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

[Diagnosis Point]

- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).

- Controller PCB defective.

0.5 sec 3 times

Indoor Heat Exchanger Thermistor Error

The detection value of the indoor heat exchanger thermistor is either open or shorted when the power is ON.

> Remote control does not operate.

[Diagnosis Point]

- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).

- Controller PCB defective.

0.5

sec.

3 times

0.5 sec 2 times

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 “Thermistor characteristics table”).

- Controller PCB defective.

0.5 sec 3 times

Outdoor Heat Exchanger Thermistor Error

The detection value of the outdoor heat exchanger thermistor is open.

> Compressor, Outdoor Fan : OFF (It automatically releases when the normal value is detected.)

[Diagnosis Point]

- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).

- Controller PCB defective

0.5 sec 4 times

Outdoor Temperature Thermistor Error

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.)

[Diagnosis Point]

- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).

- Controller PCB defective.

0.5 sec 8 times

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

[Diagnosis Point]

07-04

Indoor unit thermistor error

Outdoor unit thermistor error

Compressor Temperature Thermistor Error

- Check Thermistor resistance value (Refer to “Thermistor characteristics table”).

- Controller PCB defective

0.5

sec.

4 times

0.5 sec 3 times

Main Relay ErrorNo Display

No Display

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.

0.5 sec 4 times

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

[Diagnosis Point]

- Controller PCB defective.

0.5

sec.

5 times

0.5 sec 2 times

IPM Protection

Abnormal current value of IPM is detected > Permanent stop.

[Diagnosis Point]

- Heat radiation is blocked (Inlet/Outlet)

- Check if Outdoor Fan is defective (does not rotate).

- Controller PCB defective (Refer to after mentioned “IPM diagnosis”)

- Refrigeration cycle defective (Refer to after mentioned “Refrigeration cycle diagnosis”).

0.5 sec 3 times

CT Error

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

[Diagnosis Point]

- Check if CT wire is open.

- Controller PCB defective.

0.5 sec 5 times

The compressor speed does not synchronize 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”).

Outdoor Unit Controller Error

0.5 sec 6 times

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.

07-05

Indoor unit Controller Error

0.5 sec 2 times

Forced Auto Switch Error

Forced Auto Switch becomes ON for 10 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.

Power Supply Frequency Detection Error

Compressor Location Error

Outdoor Fan Error (DC Fan Error)

0.5

sec.

6 times

0.5 sec 2 times

Indoor Fan Lock ErrorNo Display

No Display

The indoor fan speed is 0 rpm after 56 seconds from starting operation or from the time the fan mode was changed. > Operation stops. (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.

Motor Error

0.5 sec 3 times

Indoor Fan Speed Error

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 stops. (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.

0.5

sec.

7 times

0.5 sec 2 times

Discharge Temperature Error

The discharge temperature error is activated. > Permanent stop.

[Diagnosis Poijnt]

- 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 diagnosis”).

Refrigerant Cycle Error

0.5 sec 3 times

Excessive High Pressure Protection on Cooling

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 diagnosis”).

0.5 sec 5 times

If the pressure switch is open for 10 sec. when the power is turned on

> Compressor, Outdoor Fan : OFF

[Diagnosis Point]

- Check interruption of heat radiation (Air intake / outlet)

- Check outdoor fan operation (does not rotate)

07-06

Indoor Fan

Pressure Switch Error

When it becomes normal after 10 sec. passed, the operation is resumed based on serial forward transfer signal.

- Check refrigerant cycle (Refer to "Refrigerant cycle diagnosis" which is described in the later chapter)

0.5

sec.

8 times

0.5 sec 2 times

(Permanent Stop)

Output voltage error of Active filter is detected. > Permanent stop.

[Diagnosis Point]

- Check the wiring connection (Connector is loose/open, Choke coil)

- Controller PCB defective (Refer to after mentioned “Active Filter diagnosis”)

Other Error

0.5 sec 3 times

Active Filter Error

Active filter error or instantaneous cut off error is detected. > Compressor, Outdoor Fan : OFF

[Diagnosis Point]

- Check the wiring connection (Connector is loose/open, Choke coil)

- Controller PCB defective (Refer to after mentioned “Active Filter diagnosis”) <CAUTION> Even if the unit is normal, it may detect error depending on the power supply voltage condition.

07-07

Active Filter Error

0.5 sec 4 times

PFC Circuit Error

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

Serial Signal Diagnosis

[Check Point] Check and find out if the cause is at Indoor unit or Outdoor unit.

* Remove the side cover of Outdoor unit for testing the Outdoor unit connection terminals with a meter. * Turn on the power and press [TEST] button of Remote control.

[Checking Flow Chart]

[Check Indoor Unit]

CAUTION: Do not touch the terminals or electrical components to avoid electric shock.

Is AC230V applied to the terminals N-L on the Outdoor unit terminal plate?

Connecting cable wiring defect In correct wiring Main PCB defective

YES

Measure the voltage between terminals N-3 on the Outdoor unit terminal plate. Refer to Fig.1 for Measuring Method. Judge the result based on Table 1.

Measurement method 1

Diode (Dielectric voltage : Higher than 600V)

Range DC

(Normal : DC30 60V)

Red

Black

White

Range DC

(Normal : DC30 60V)

Red

Black

White

Fig.1 Selial Signal Measuring Method

Measurement 1 Measurement 2 Indoor unit Outdoor unit

Defective point

voltage value voltage value trouble display operation

0 ~ 5.0V 30 ~60 V Display No operation Indoor unit control PCB defective

30 ~ 60V 0 ~ 5V Display No operation Outdoor unit fuse open (input)

Inverter defective

Table 1: Judgement table

Outdoor unit terminal plate

Power supply AC230V

Black

White

Serial signals

Red

Measurement method 2

07-08

IPM Protection

[Checking Points]

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

[Cause]

(1) Compressor failure (2) Refrigeration cycle failure (3) PC Board defective (4) IPM defective (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)

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 (2)

Turn on the power and press TEST button

Yes(Rotating)

Go to Check point (3)

on Remote Control.

No(Not rotating)

IPM or PCB defective > Replace PCB

Is the outdoor fan rotating?

Check point (3)

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

Recheck

Operate the unit for certain time and Yes(Operating) > Check completed check if the compressor is operating. No(Not operating) > Return to the start

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

07-09

Active Filter Failure

[Checking points]

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

[Cause]

(1) Incorrect wiring (2) Active Filter Module defective (3) PC Board defective (4) DC voltage detectiion circuit defective

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

Open the Inverter Controller Assy and check if there is abnormal points.

Incorrect wiring > Correct and recheck

(Incorrect wiring, Parts touched, Parts broken)

Parts touched > Correct and recheck Parts broken > Change the broken part

Turn on the power and press TEST button on Remote Control. Is the outdoor fan rotating?

Operate the unit for certain time and measure the terminal voltage of the

The unit is normal.

discharge resistance. Is the DC voltage between 350 to 425V?

Recheck

Operate the unit for certain time and Yes(Operating) > Check completed check if the compressor is operating. No(Not operating) > Return to the start

Check point (1)

Yes(Normal)

Go to Check point (2)

No(Abnormal)

Check point (2)

Yes(Rotating)

Go to Check point (3)

No(Not rotating)

Check point (3)

Yes(Within range)

No(Out of range)

ACTPM or PCB defective > Replace Main PCB

ACTPM or PCB defective > Replace ACTPM or

Main PCB. (Replace only ACTPM if Main PCB was replaced at Check point (2).)

07-10

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 value between U-V, V-W, W-U is not same as others, the compressor is defective.

Compressor Failure

NORMAL[ohm]

ASYA24LCC Compressor Case Temperature at 20degC: U-V 1.147 V-W 1.136 U-W 1.161

ASYA30LCC Compressor Case Temperature at 20degC: U-V 0.720 V-W 0.726 U-W 0.708

(The above resistance value is a typical value. There is some distribution. As 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 check the resistance value (refer to the thermitor characteristics table).

07-11

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]

ASYA24LCC

ASYA30LCC

- 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

JM8(JP)

JM10(JP) Code A (Default) Code B

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

Indoor Unit

JM5 (JP)

With Auto Restart function (Default) Without Auto Restart function

[Outdoor Unit]

AOYR24LCC

JM1 JM903 JM902 JM901

Normal Preheat

24LCC

Higher Preheat

- 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

Code C Code D

- Correct coefficient of Room temperature

Indoor unit

JM6 (JP)

Coefficient

Cooling

Dry

Heating

*Default

-2

0 0

-2

JM7 (JP)

AOYR30LCT

JM901 JM902 JM903 JM500

Normal Preheat

30LCT

Higher Preheat

*Default value changes by the setting temperature and the outside temperature.

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

Model Name : ASYA24/30LCC

[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

method

Caution

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

[Constant Frequency Operation Method (Test mode)]

1. Operate on Cooling 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

ASYA24LCC ASYA30LCC

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

ASYA24LCC ASYA30LCC

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.

08-02

Under construction

0.7

0.8

0.9

1.0

1.1

1.2

1.3

16 18 20 22 24 26 28 30 32

In/Outdoor ambient temperature[ C]

Low-pressure of outdoor unit[MPa]

[50Hz-230V]

RH70%

RH60%

RH50%

8.0

8.5

9.0

9.5

10.0

10.5

11.0

11.5

12.0

16 18 20 22 24 26 28 30 32

In/Outdoor ambient temperature[ C]

Outdoor total electric current[A]

RH70%

RH60%

RH50%

[50Hz- 230V]

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

Model Name : ASYA24/30LCC

[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

ASYA24LCC

ASYA30LCC

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

ASYA24LCC ASYA30LCC

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

length

08-03

Under Construction

2.5

2.6

2.7

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

0 2 4 6 8 10 12 14

Outdoor ambient temperature[ C]

High-pressure of outdoor unit[MPa]

23 C

20 C

15 C

[50Hz-230V]

Indoor ambient temperature[ C]

12.0

12.5

13.0

13.5

14.0

14.5

15.0

15.5

16.0

0 2 4 6 8 10 12 14

Outdoor ambient temperature[ C]

Outdoor total electric current[A]

23 C

20 C

15 C

[50Hz-230V]

Indoor ambient

temperature[ C]

Tempe F

Tempe C

Resistance(k )

Voltage(V)

Tempe F

Tempe C

Resistance(k )

Voltage(V)

32.0 0.00 33.62 1.15 32.0 0.00 176.03 1.10

41.0 5.00 25.93 1.39 41.0 5.00 134.23 1.36

50.0 10.00 20.18 1.66 50.0 10.00 103.34 1.63

59.0 15.00 15.84 1.94 59.0 15.00 80.28 1.92

68.0 20.00 12.54 2.22 68.0 20.00 62.91 2.21

77.0 25.00 10.00 2.50 77.0 25.00 49.70 2.51

86.0 30.00 8.04 2.77 86.0 30.00 39.57 2.79

95.0 35.00 6.51 3.03 95.0 35.00 31.74 3.06

104.0 40.00 5.30 3.27 104.0 40.00 25.64 3.30

113.0 45.00 4.35 3.48 113.0 45.00 20.85 3.53

122.0 50.00 3.59 3.68 122.0 50.00 17.06 3.73

131.0 55.00 2.98 3.85 131.0 55.00 14.10 3.90

140.0 60.00 2.47 4.00 140.0 60.00 11.64 4.55

149.0 65.00 2.09 4.14 149.0 65.00 9.69 4.19

158.0 70.00 1.76 4.25 158.0 70.00 8.12 4.30

167.0 75.00 1.49 4.35 167.0 75.00 6.83 4.40

176.0 80.00 1.27 4.44 176.0 80.00 5.78 4.48

185.0 85.00 1.09 4.51 185.0 85.00 4.91 4.55

194.0 90.00 0.93 4.57 194.0 90.00 4.19 4.61

203.0 95.00 0.81 4.63 203.0 95.00 3.59 4.66

212.0

100.00

0.70

4.67

212.0

100.00

3.09

4.71

-22.0 -30.00 931.50 0.07 -22.0 -30.00 931.50 0.07

-13.0 -25.00 683.30 0.09 -13.0 -25.00 683.30 0.09

-4.0 -20.00 506.60 0.13 -4.0 -20.00 506.60 0.13

5.0 -15.00 379.40 0.17 5.0 -15.00 379.40 0.17

14.0 -10.00 286.90 0.22 14.0 -10.00 286.90 0.22

23.0 -5.00 219.00 0.28 23.0 -5.00 219.00 0.28

32.0 0.00 168.60 0.36 32.0 0.00 168.60 0.36

5.00 130.70 0.45 41.0 5.00 130.70 0.45

10.00 102.20 0.56 50.0 10.00 102.20 0.56

15.00 80.51 0.70 59.0 15.00 80.51 0.70

20.00 63.89 0.85 68.0 20.00 63.89 0.85

25.00 51.05 1.01 77.0 25.00 51.05 1.01

30.00 41.07 1.20 86.0 30.00 41.07 1.20

35.00 33.26 1.41 95.0 35.00 33.26 1.41

40.00 27.09 1.62 104.0 40.00 27.09 1.62

45.00 22.20 1.85 113.0 45.00 22.20 1.85

50.00 18.29 2.08 122.0 50.00 18.29 2.08

55.00 15.15 2.31 131.0 55.00 15.15 2.31

60.00 12.62 2.54 140.0 60.00 12.62 2.54

65.00 10.56 2.76 149.0 65.00 10.56 2.76

70.00 8.88 2.97 158.0 70.00 8.88 2.97

75.00 7.50 3.17 167.0 75.00 7.50 3.17

80.00 6.36 3.36 176.0 80.00 6.36 3.36

85.00 5.42 3.53 185.0 85.00 5.42 3.53

90.00 4.64 3.69 194.0 90.00 4.64 3.69

95.00 3.98 3.83 203.0 95.00 3.98 3.83

100.00 3.43 3.96 212.0 100.00 3.43 3.96

105.00 2.97 4.07 221.0 105.00 2.97 4.07

110.00 2.58 4.17 230.0 110.00 2.58 4.17

115.00 2.24 4.26 239.0 115.00 2.24 4.26

120.00 1.96 4.34 248.0 120.00 1.96 4.34

Room temperature thermistor Indoor heat exchanger thermistor

Discharge thermistor Compressor temperature thermistor

Characteristics of room temperature thermistor

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

200.00

400.00

600.00

800.00

1000.00

(-30.00) (0.00) (30.00) (60.00) (90.00) (120.00)

0.00

200.00

400.00

600.00

800.00

1000.00

(-30.00) (0.00) (30.00) (60.00) (90.00) (120.00)

Tempe F

Tempe C

Resistance(k )

Voltage(V)

Tempe F

Tempe C

Resistance(k )

Voltage(V)

Resistance(k )

Temperature F( C)

68 86

104 122

140

Resistance(k )

104

140

176

Temperature F( C)

Characteristics of heat exchanger thermistor (Indoor)

Resistance(k )

-22

41.0

50.0

59.0

68.0

77.0

86.0

95.0

104.0

113.0

122.0

131.0

140.0

149.0

158.0

167.0

176.0

185.0

194.0

203.0

212.0

221.0

230.0

239.0

248.0

86 140

194

248

Temperature F( C)

Characteristics of discharge thermistor

-22

86 140

194

248

Temperature F( C)

Characteristics of compressor thermistor

Resistance(k )

Thermistor resistance values

08-04

-22.0 -30.00 88.42 0.254 -22.0 -30.00 181.60 0.87

-13.0 -25.00 64.89 0.341 -13.0 -25.00 133.30 1.12

-4.0 -20.00 48.13 0.449 -4.0 -20.00 98.86 1.40

5.0 -15.00 36.07 0.581 5.0 -15.00 74.08 1.70

14.0 -10.00 27.29 0.741 14.0 -10.00 56.05 2.03

23.0 -5.00 20.84 0.928 23.0 -5.00 42.80 2.36

32.0 0.00 16.05 1.14 32.0 0.00 32.97 2.69

41.0 5.00 12.45 1.38 41.0 5.00 25.57 3.00

50.0 10.00 9.74 1.64 50.0 10.00 20.00 3.28

59.0 15.00 7.67 1.91 59.0 15.00 15.76 3.54

68.0 20.00 6.09 2.19 68.0 20.00 12.51 3.77

77.0 25.00 4.87 2.47 77.0 25.00 10.00 3.96

86.0 30.00 3.92 2.74 86.0 30.00 8.05 4.13

95.0 35.00 3.17 3.00 95.0 35.00 6.52 4.27

104.0 40.00 2.59 3.24 104.0 40.00 5.31 4.39

113.0 45.00 2.12 3.46 113.0 45.00 4.35 4.49

122.0 50.00 1.75 3.66 122.0 50.00 3.59 4.57

131.0 55.00 1.45 3.83 131.0 55.00 2.97 4.64

140.0 60.00 1.21 3.99 140.0 60.00 2.48 4.70

149.0 65.00 1.01 4.12 149.0 65.00 2.07 4.74

158.0 70.00 0.85 4.24 158.0 70.00 1.74 4.78

167.0 75.00 0.72 4.34 167.0 75.00 1.47 4.81

176.0 80.00 0.61 4.43 176.0 80.00 1.25 4.84

Outdoor heat exchanger thermistor

Outdoor temperature thermistor

0.00

20.00

40.00

60.00

80.00

100.00

(-30.00) (-10.00) (10.00) (30.00) (50.00) (70.00)

0.00

40.00

80.00

120.00

160.00

200.00

(-30.00) (-10.00) (10.00) (30.00) (50.00)

Tempe F

Tempe C

Resistance(k )

Voltage(V)

Tempe F

Tempe C

Resistance(k )

Voltage(V)

Characteristics of heat exchanger thermistor (Outdoor)

Resistance(k )

Temperature F( C)

-22

50 86

122 158

Characteristics of outdoor temperature thermistor

Resistance(k )

Temperature F( C)

-22

50 86

122

08-05

08-06

ASYA24LCC 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.

<Input>

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

130%

140%

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

Outdoor DB( C)

Capacity(%)

Current release works

5.5 24

Indoor DB : 20 C

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(%)

Current release works

5.5

2417

Indoor DB : 20 C

Rated operation

Without Frost

Maximum operation Current release works

Rated operation

Without Frost

With Frost

Maximum operation Current release works

08-07

(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.

<Input>

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

-10 0 10 20 30 40

Outdoor DB( C)

Capacity(%)

Indoor : 27/19 C

20%

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

-10 0 10 20 30 40

Outdoor DB( C)

Input(%)

Indoor : 27/19 C

08-08

Heating

*Defrosting operation is performed when temperature is less than 7 degrees C. Frost appears on an outdoor unit heat exchanger at 7 or less degrees C. *Solid line:Integral capacity/Input containing the defrosting cycle. *Dotted line:Capacity/Input which does not contain the defrosting cycle. *The Capacity and the input change as the current limit value varies with the outdoor temperature.

<Input>

40%

50%

60%

70%

80%

90%

100%

110%

120%

130%

140%

-15 -10 -5 0 5 10 15 20 Outdoor DB ( C)

Capacity (%)

7 12 17 24

Indoor DB : 20 C

Maximum operation

Maximum operation (Without Frost)

Maximum operation (With Frost)

Rated operation

60%

70%

80%

90%

100%

110%

120%

130%

140%

150%

160%

170%

180%

-15 -10 -5 0 5 10 15 20 Outdoor DB ( C)

Input (%)

7 12 17 24

Maximum operation

Maximum operation (Without Frost)

Maximum operation (With Frost)

Rated operation

ASYA30LCC Capacity/Input data

Indoor DB : 20 C

1/2

08-09

Cooling

*Both capacity and input change largely when temperature is 20 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 10 degrees C of ambient temperature as outdoor fan speed is decreased further. *Both capacity and input change more largely at less than 0 degrees C of ambient temperature as outdoor fan speed is decreased further.

<Input>

60%

70%

80%

90%

100%

110%

120%

130%

140%

-10 -5 0 5 10 15 20 25 30 35 40 Outdoor DB ( C)

Capacity (%)

Indoor : 27/19 C

30%

40%

50%

60%

70%

80%

90%

100%

110%

120%

-10 -5 0 5 10 15 20 25 30 35 40

Input (%)

Indoor : 27/19 C

Outdoor DB ( C)

2/2

9 . REPLACEMENT PARTS

R410A

WALL MOUNTED type

INVERTER

REPLACEMENT PARTS

09-06

Model : AOYR24LCC

REPLACEMENT PARTS

09-12

Model : AOYR24LCC

PROCESS Wiring HEAT SINK SUB ASSY

REGULATIONS

Do the twist work with the following combination. (Twist it 1 time is to twist 360 .)

red (W16) black(W17) two times. (Width of twist.30~40mm)

Connect a wire (red) with terminal to +POLE of ACTPM

Connect a wire (black) with terminal to -POLE of ACTPM

+POLE

ACTPM

-POLE

ACTPM

IPM PWB

Pay attention the Direction of installation

Width of twist 30~40mm

REPLACEMENT PARTS

09-13

Model : AOYR24LCC

PROCESS Assemble COIL, CHOKE and WIRE with TERMINAL

COIL, CHOKE SCREW, TAPTITE

WIRE with TERMINAL

REGULATIONS Like a rough sketch, assemble COIL, CHOKE to CASE ( INV )

Like a rough sketch, assemble WIRE with TERMINAL after assembling COIL, CHORK.

(Pay attention to direction of WIRE with TERMINAL.)

Like a rough sketch, twist WIRE with TERMINAL and assemble it certainly.

(Twist it 1 time is to twist 360 .)

Five times (Width of twist. 40~50mm)

CASE (INV)

Tighten COIL, CHOKE with SCREW

after insert STOPPER.

Don't come off from the STOPPER.

COIL, CHORK

SCREW, TAPTIATE

WIRE with TERMINAL

STOPPER

1 2

REPLACEMENT PARTS

09-14

Model : AOYR24LCC

Don't go out the groove.

Either will do, because

there is no polarity.

Pay attention the direction

Width of twist. 40~50mm

Note the wiring route.

of the TERMINAL.

REPLACEMENT PARTS

09-15

Model : AOYR24LCC

PROCESS

REGULATIONS

Like figure 1, assemble PWAB ASSY (CAPACITOR) to the SPACER

Pay attention to direction of the PWAB ASSY, when assembling PWB ASSY

(Have the wire with the terminal (white W12, purple W13) on the REACTOR side.)

Do the twist work with the following combination. (Twist it 1 time is to twist 360 .)

white W12 blue W7

purple W13 yellow W8

Like figure 2, wire lead wire. Insert TERMINAL in CONTACT certainly.

Be sure to fasten by WIRE CLAMPER after wiring.

Fit the wire in the groove firmly.

Fasten the wire with BINDER M.

three times

Assemble PWB ASSY(CAPACITOR) and Wiring

PWB ASSY (K05DG CAPACITOR)

BINDER M

Figure 1

PWB ASSY(CAPACITOR)

SPACER

BINDER M

REACTOR

Either will do, because there is no polarity

WIRE CLAMPER

six times

60~70mm

REPLACEMENT PARTS

09-16

Model : AOYR24LCC

figure 2

Fix WIRE into groove firmly.

Fix WIRE into WIRE CLAMPER firmly.

BINDER M

TM301 TM302

Like a rough sketch, bind BINDER M Don't upturn the cut end of BINDER M and don't bind outside CASE (INVERTER)

REPLACEMENT PARTS

09-17

Model : AOYR24LCC

PROCESS Wiring lead wire of PWB (FILTER)

REGULATIONS

Like a rough sketch, twist lead wire

Do the twist work with the following combination. (Twist it 1 time is to twist 360 .) Width of twist. 40~50mm

black W17 black W1 brown W29 white W18 white W2 orange W28

black W9 black W19 gray W21 white W20

W18

white

W21 gray

black

white

W28 orange

W29 brown

W17

black

W19

black

W20

white

Twist so as not to touch parts.

Three times

One time Four times

Three times

Two times

REPLACEMENT PARTS

09-18

Model : AOYR24LCC

Don't stick out lead wire from groove.

Put lead wire between.

CN101

Fix WIRE into groove

REPLACEMENT PARTS

09-19

Model : AOYR24LCC

PROCESS Assemble PWB SUB ASSY (FILTER) to CASE (INV)

SCREW, TAPPING

REGULATIONS

Pay attention so as not to fasten lead wire, when assembling PWB SUB ASSY (FILTER) to CASE (INV)

Like figure 1, connect lead wire of orange W28 and brown W29.

Insert STOPPER shown circle of figure A into inside of CASE (INV)

Insert into inside of CASE(INV)

A VIEW

figure A

From downside of CASE (INVERTER)

lead wire must not touch parts.

Pay attention so as not to fasten lead wire

Stopper

REPLACEMENT PARTS

09-20

Model : AOYR24LCC

SCREW, TAPPING

Fasten wire into groove.

figure 1

TM101

TM102

W28 orange

W29 brown

REPLACEMENT PARTS

09-21

Model : AOYR24LCC

PROCESS Assemble PWB ASSY

PWB ASSY (K05CU) MAIN

REGULATIONS

Like a rough sketch, assemble PWB ASSY (MAIN) to PWB HOLDER

Insert PWB in nail of this side accurately.

PWB HOLDER

Widen when fitting PWB.

Don't knock it in CASE,

when fitting PWB.

PWB ASSY (MAIN)

Hold it in nail of this

side certainly.

REPLACEMENT PARTS

09-22

Model : AOYR24LCC

PROCESS Wiring lead wire

WIRE with CONNECTOR L=350 WIRE with CONNECTOR L=250

WIRE with CONNECTOR L=200

REGULATIONS

Like a rough sketch, wire lead wire.

Do the twist work with the following combination.

(Twist it 1 time is to twist 360 .)

White

(W306)

Black (W307)

Six times. (Width of twist. 30~40mm)

Insert this lead wire inside.

Insert this lead wire into STOPPER.

Don't put out lead wire up.

W306 White

W307 Black

W306 White

W307 Black

W19 White

W20 Black

W21 Gray - TM600

W9 Black - TM601

CN200

CN110

Width of twist 30~40mm

}

1 2

REPLACEMENT PARTS

09-23

Model : AOYR24LCC

WIRE with CONNECTOR L=350

Insert these WIRE with CONNECTOR into groove.

Wire must not stick out from STOPPER

To stick out is NG

WIRE with CONNECTOR L=250

WIRE with CONNECTOR L=200

CN303

CN301

CN11

CN42

CN40

CN400

REPLACEMENT PARTS

09-24

Model : AOYR24LCC

PROCESS Wiring CABLE

BINDER C

REGULATIONS

Like a rough sketch, fasten HARNESS by BINDER

BINDER C

less than 15mm

Fasten CABLE

Put it within this range.

Don't stretch.

less than 10mm

Red

W21 Gray

W9 Black

W19 White

W20 Black

REPLACEMENT PARTS

09-25

PROCESS Arrangement of lead wires to be connected to the inverter assembly.

BINDER

Maximum

Thermistor(Heat exchanger)

Pass the lead wire underneath the piping.

Thermistor(Outdoor Temp.) EEV Coil Lead

20mm

Model : AOYR24LCC

REPLACEMENT PARTS

09-26

PROCESS ATTACHMENT OF INVERTER ASSY

4way valve lead

Gather lead wires with the binder.

Hole

5 leads from PCB

PCB side

Binder TOP direction

Signal Line

Do not let each thermistor lead wires (discharge, outdoor temperature, heat exchanger) step over the signal wire.

Binder location

Height upon gathering

E - E

F - F

each wire

Distance between Inverter

case bottom and EMI

30~50

10~20

20~30

40~60

Binder location

Gathering location

Spec. of Slack for

4way valve lead.

Gather 4way valve lead

of inverter case

bottom and 4way

valve lead.

0~10

20~30

10~20

4way valve lead height

20~30

Motor lead height

Model : AOYR24LCC

REPLACEMENT PARTS

PROCESS Installation of wire to Inverter assy

Comp Lead

Thermistor (Discharge)

4way valve Coil Lead

Motor Lead

Thermistor (Heat exchanger)

EEV Coil Lead

Thermistor (Outdoor Temp.)

Motor Lead

Comp Lead

Lead wire shall be securely fit in

4way valve Coil Lead

Motor Lead

EEV Coil Lead

Thermistor (Outdoor Temp.)

Thermistor (Heat exchanger)

09-27

Thermistor (Discharge)

Each Connector Location

Model : AOYR24LCC

REPLACEMENT PARTS

PROCESS Installation of wire to Inverter assy

Comp Lead

valve Coil Lead

Lead wire shall be beneath the rib.

Motor Lead

EEV Coil Lead

Thermistor (Outdoor Temp.)

Thermistor (Heat exchanger)

09-28

Thermistor (Discharge)

Each Lead Location

Spec. of slack

motor Lead.

Compressor lead shall be located beneath motor lead

Model : AOYR24LCC

REPLACEMENT PARTS

09-29

Model : AOYR30LCT

PROCESS

Twist 2 times or more.

Fig.1

W16 RED(TR PWB ASSY) WIRE WITH TERMINAL

W17 BLACK(TR PWB ASSY) WIRE WITH TERMINAL

+RED

-BLACK

Connect WIRE WITH TERMINAL (TR PWB ASSY), ACTPM

REGULATIONS

As shown in Fig.1, connect wires.

A right picture shows the example of two times of the twist.

REPLACEMENT PARTS

09-30

Model : AOYR30LCT

PROCESS

Fig.1

WIRE WITH CONNECTOR

WIRE WITH CONNECTOR must draw around the under of WIRE WITH TERMINAL

Install the connector surely until the lock sound is heard.

W303 BLACK,W304 WHITE,W305 RED (TR PWB ASSY) WIRE WITH CONNECTOR must draw around on W301 YELLOW W302 BLUE (TR PWB ASSY) WIRE WITH CONNECTOR.

Assemble wires (TR PWB ASSY)

REGULATIONS

As shown in Fig.1, assemble wires to TR PWB ASSY.

Install the connector surely until the lock sound is heard.

WIRE WITH CONNECTOR WIRE WITH CONNECTOR WIRE WITH CONNECTOR

REPLACEMENT PARTS

09-31

Model : AOYR30LCT

PROCESS

Fig.2

EMI FILTER

BINDER M

EMI FILTER

BINDER M

80+/-10mm

Fig.1

Certainly fix EMI FILTER to wires by BINDER.

W303 BLACK,W304 WHITE,W305 RED (TR PWB ASSY) WIRE WITH CONNECTOR

EMI FILTER RFC 10 must pass

W303 BLACK, W304 WHITE,

W305 RED(TR PWB ASSY).

Fig.2

Assemble EMI FILTER (TR PWB ASSY)

REGULATIONS

As shown in fig.1, assemble EMI FILTER.

As shown in fig.2, certainly fix EMI FILTER to wires by BINDER.

EMI FILTER BINDER M

Fujitsu ASYA24LCC, AOYR30LCT, ASYA30LCC, AOYR24LCC Service Instructions Manual

Specifications and Main Features

Frequently Asked Questions

User Manual