Fujitsu AB*14LBAJ Original operating manual

SPLIT TYPE

ROOM AIR CONDITIONER

Models Indoor unit Outdoor unit

AO*A18LAT3

AO*A24LAT3

INVERTER MULTI

SERVICE

INSTRUCTION

R410A

Universal Floor / Ceiling

Duct / Cassette

Wall Mounted / Floor type

AB*14LBAJ

AB*18LBAJ

AB*F14LAT

AB*F18LAT

AR* 9LUAB

AR*12LUAD

AR*14LUAD

AR*18LUAD

AR*F09LALU

AR*F12LALU

AR*F14LALU

AR*F18LALU

AU*12LBAB

AU*14LBAB

AU*18LBAB

AU*F09LAL

AU*F12LAL

AU*F14LAL

AU*F18LAL

AS* 7LMACW

AS* 9LMACW

AS*12LMACW

AS*A07LACM

AS*A09LACM

AS*A12LACM

AS*A14LACM

AS*A18LACM

AG*F09LAC

AG*F12LAC

AG*F14LAC

CONTENTS

1. DESCRIPTION OF EACH CONTROL OPERATION

1. CAPACITY CONTROL................................................................................................

3. INDOOR FAN CONTROL...........................................................................................

2. AUTO CHANGEOVER OPERATION..........................................................................

5. LOUVER CONTROL...................................................................................................

4. OUTDOOR FAN CONTROL.......................................................................................

7. TIMER OPERATION CONTROL................................................................................

6. COMPRESSOR CONTROL........................................................................................

9. TEST OPERATION CONTROL..................................................................................

8. ELECTRONIC EXPANSION VALVE CONTROL........................................................

11. 4-WAY VALVE EXTENSION SELECT.......................................................................

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

13. MANUAL AUTO OPERATION...................................................................................

12. AUTO RESTART........................................................................................................

15. FRESH AIR CONTROL..............................................................................................

14. COMPRESSOR PREHEATING..................................................................................

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

16. EXTERNAL ELECTRICAL HEATER CONTROL........................................................

19. DRAIN PUMP OPERATION.......................................................................................

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

20. ENERGY SAVE FUNCTION.......................................................................................

01-01

01-02

01-10

01-11

01-18

01-19

01-23

01-24

01-25

17. COIL DRY OPERATION CONTROL.......................................................................... 01-25

01-27

01-28

01-24

2-1-2 OUTDOOR UNIT DISPLAY................................................................................

2-1-1 INDOOR UNIT DISPLAY....................................................................................

2-1 ERROR DISPLAY......................................................................................................

2. TROUBLE SHOOTING

2-2 TROUBLE SHOOTING WITH ERROR CODE..........................................................

2-3 TROUBLE SHOOTING WITH NO ERROR CODE....................................................

2-4 SERVICE PARTS INFORMATION............................................................................

02-01

02-06

2-1-3 WIRED REMOTE CONTROLLER DISPLAY...................................................... 02-07

02-48

02-11

02-53

3. REPLACEMENT PARTS

1 . DESCRIPTION OF EACH

CONTROL OPERATION

R410A

INVERTER (MULTI )

Universal Floor / Ceiling

Duct / Cassette

Wall Mounted / Floor type

2. AUTO CHANGEOVER OPERATION

01-01

1. CAPACITY CONTROL

1-1 COOLING, HEATING, DRY CAPACITY CONTROL

Compressor frequency decides by capacity of an indoor unit, operation number of an indoor unit,

set temperature, room temperature and outside temperature.

When the air conditioner is set to the AUTO mode by remote control, operation starts in the optimum

mode from among the HEATING, COOLING 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 degC steps.

When operation starts, only the indoor fan is operated for 1 minute. (Air flow mode: S- Lo)

After 1 minute, depends on the room temperature and outdoor unit's operarion mode,

the operation mode is selected in accordance with the table below.

( Table 1 : Operation mode selection table )

Room temperature :TR Operation mode

TR > Ts +2 degC

Ts +2 degC > TR

Ts +2 degC > TR > Ts-2 degC

Cooling

Monitoring

Heating

Ts : Setting temperature

TR: Room temperature

When COOLING was selected at , the same operation as COOLING OPERATION is performed.

When HEATING was selected at , the same operation as HEATING OPERATION 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.

3. INDOOR FAN CONTROL

1. Fan speed

( Table 2 : Indoor Fan Speed )

01-02

Operation mode Air flow mode Speed (rpm)

Hi 850

760

670

Cooling

S-Lo

Heating

AB*14LBAJ

Operation mode Air flow mode Speed (rpm)

Hi 1030

890

770

250 250

Cooling

S-Lo

Heating

Cooling

Heating

Cooling

Heating

Cooling

Heating

Cooling

Heating

AB*18LBAJ

Operation mode Air flow mode Speed (rpm)

Hi 955

870

800

650

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 750

680

610

550

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 1000

860

720

570

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 1040

890

750

595

S-Lo

AR*9LUAB

AR*14LUAD

AR*12LUAD

AR*18LUAD

Cooling

Heating

Cooling

Heating

Operation mode Air flow mode Speed (rpm)

Hi 850

800

740

670

300

Quiet

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 1040

950

800

740

300

Quiet

S-Lo

AB*F14LAT AB*F18LAT

Cooling

Heating

Cooling

Heating

Cooling

Heating

Operation mode Air flow mode Speed (rpm)

Hi 1010

950

880

830

450

Quiet

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 790

720

620

570

330

Quiet

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 990

880

770

620

330

Quiet

S-Lo

AR*F09LALU

AR*F14LALU

Cooling

Heating

Operation mode Air flow mode Speed (rpm)

Hi 1040

950

840

700

450

Quiet

S-Lo

AR*F18LALU

AR*F12LALU

01-03

Cooling

Heating

Cooling

Heating

AU*12/ 14LBAB

--- ---

AU*18LBAB

AU*F09LAL AU*F12LAL

Operation mode Air flow mode Speed (rpm)

Hi 730

670

590

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 800

700

600

S-Lo

Operation mode Air flow mode Speed (rpm)

Hi 660

580

520

460

Dry

Monitoring

Quiet

650

580

Me+ 620

520

460

300

Auto

S- Lo

Cooling

Fan

Heating

Operation mode Air flow mode Speed (rpm)

Hi 590

540

490

440

Dry

Monitoring

Quiet

590

540

Me+ 570

490

440

460

300

Auto

S- Lo

Cooling

Fan

Heating

Operation mode Air flow mode Speed (rpm)

Hi 730

630

540

460

Dry

Monitoring

Quiet

740

670

Me+ 700

600

480

460

300

Auto

S- Lo

Cooling

Fan

Heating

AU*F14LAL

Operation mode Air flow mode Speed (rpm)

Hi 790

660

570

460

Dry

Monitoring

Quiet

840

750

Me+ 800

650

500

460

300

Auto

S- Lo

Cooling

Fan

Heating

AU*F18LAL

01-04

Operation mode Air flow mode

Speed (rpm)

Louver position Louver position

Hi 1100

1050

1000

950

500

Cooling

Fan

Quiet

Hi 1120

1070

1000

930

500

1100

1030

970

Heating

AS*7LMACW

S- Lo

1456

Operation mode Air flow mode

Speed (rpm)

Louver position Louver position

Hi 1200

1100

1000

940

500

Cooling

Fan

Quiet

Hi 1200

1100

1000

900

500

1150

1050

960

Heating

AS*9LMACW

S- Lo

1456

Operation mode Air flow mode

Speed (rpm)

Louver position Louver position

Hi 1310

1260

1190

1100

970

500

Cooling

Fan

Quiet

Hi 1310

1180

1030

970

500

1200

1100

1000

Heating

AS*12LMACW

S- Lo

1456

01-05

Operation mode Air flow mode Speed (rpm)

Hi 1140

1000

880

700

Dry

Monitoring

Quiet

Hi/ Me+

Quiet

1140

1050

980

800

700

480

Auto

S- Lo

Cooling

Fan

Heating

AS*A07LACM

Operation mode Air flow mode Speed (rpm)

Hi 1220

1060

900

720

Dry

Monitoring

Quiet

Hi/ Me+

Quiet

1220

1110

1040

830

720

480

Auto

S- Lo

Cooling

Fan

Heating

AS*A09LACM

Operation mode Air flow mode Speed (rpm)

Hi 1280

1100

900

750

Dry

Monitoring

Quiet

Hi/ Me+

Quiet

1320

1180

1080

860

750

480

Auto

S- Lo

Cooling

Fan

Heating

AS*A12LACM

Operation mode Air flow mode Speed (rpm)

Hi 1480

1250

1050

850

Dry

Monitoring

Quiet

Hi/ Me+

Quiet

1480

1250

1100

950

850

480

Auto

S- Lo

Cooling

Fan

Heating

AS*A14LACM

Operation mode Air flow mode Speed (rpm)

Hi 1480

1250

1100

950

Dry

Monitoring

Quiet

Hi/ Me+

Quiet

1480

1250

1100

950

480

Auto

S- Lo

Cooling

Fan

Heating

AS*A18LACM

01-06

AG*F09LAC

Operation mode Air flow mode Speed (rpm)

Hi 1120/ 950 1230/ ---

960/ 820 1070/ ---

660/ 560 680/ ---

820/ 700 910/ ---

660/ 560 750/ ---

570/ 480 --- / ---

1120/ 950 1230/ ---

1000/ 850 1090/ ---

860/ 730 940/ ---

660/ 560 750/ ---

660/ 560 680/ ---

Heating

Quiet

Cool air prevention

S-Lo

Cooling

Fan

Upper& Lower

air flow mode

Upper

air flow mode

(Upper/ Lower)

AG*F12LAC

Operation mode Air flow mode Speed (rpm)

Hi 1240/ 1050 1300/ ---

1050/ 890 1120/ ---

660/ 560 680/ ---

860/ 730 930/ ---

660/ 560 750/ ---

570/ 480 --- / ---

1240/ 1050 1300/ ---

1080/ 920 1140/ ---

910/ 770 980/ ---

660/ 560 750/ ---

660/ 560 680/ ---

Heating

Quiet

Cool air prevention

S-Lo

Cooling

Fan

Upper& Lower

air flow mode

Upper

air flow mode

(Upper/ Lower)

AG*F14LAC

Operation mode Air flow mode Speed (rpm)

Hi 1330/ 1120 1370/ ---

1100/ 930 1160/ ---

660/ 560 680/ ---

890/ 750 960/ ---

660/ 560 750/ ---

570/ 480 --- / ---

1330/ 1120 1370/ ---

1140/ 970 1180/ ---

940/ 800 1020/ ---

660/ 560 750/ ---

660/ 560 680/ ---

Heating

Quiet

Cool air prevention

S-Lo

Cooling

Fan

Upper& Lower

air flow mode

Upper

air flow mode

(Upper/ Lower)

2. FAN OPERATION

The airflow can be switched in 5 steps such as AUTO, QUIET, LOW, MED, HIGH,

while the indoor fan only runs.

2-2. For AB*F14L/ 18L

AR*F09L/ 12L/ 14L/ 18L

AU*F09L/ 12L/ 14L/ 18L

AS*7L/ 9L/ 12L

AS*A07L/ 09L/ 12L/ 14L/ 18L

AG*F09L/ 12L/ 14L

The airflow can be switched in 4 steps such as AUTO, LOW, MED, HIGH,

while the indoor fan only runs.

2-1. For AB*14L/ 18L

AR* 9L/ 12L/ 14L/ 18L

AU*12L/ 14L/ 18L

3. COOLING OPERATION

(Fig.1)

airflow change - over ( Cooling: AUTO ) When the room

temperature rises

Lo mode

When the room

temperature lowers

01-07

Hi mode

Me mode

TR : Room temperature

Ts : Setting temperature

TR-Ts > 2 degC

1 degC > TR-Ts

2 degC > TR-Ts > 1 degC

TR-Ts > 3 degC

*(TR-Ts > 2.5 degC)

2 degC > TR-Ts

*(2 degC > TR-Ts)

3 degC > TR-Ts > 2 degC

*(2.5 degC > TR-Ts > 1.5 degC)

*1 : Contains a condition to the following

When the operation mode is set to AUTO mode

at the start of operation.

When the setting temperature was changed.

When the operation mode was changed to COOLING mode.

When the airflow mode was changed to AUTO mode.

4. HEATING OPERATION

When the airflow is set to [AUTO], the indoor fan

motor operates [MED] mode.

Then the indoor fan motor will run according

to a room temperature, as shown in Figure 2.

On the other hand, if switched in [HIGH] [QUIET],

the indoor motor will run at a constant airflow

of [HEAT] operation modes QUIET, LOW, MED, HIGH,

as shown in Table 2.

47°C

41°C

*(42°C)

Indoor heat exchanger

temperature

( Fig.2 : Airflow change - over ( Heating : AUTO ) )

Hold

Go down one-step

Go up one-step

Switch the airflow [AUTO], and the indoor fan motor will run according to a room temperature,

as shown in Figure 1.

On the other hand, if switched in [HIGH] [QUIET], the indoor motor will run at a constant airflow of [COOL]

operation modes QUIET, LOW, MED, HIGH,as shown in Table 2.

*For AS*7/ 9/ 12LMACW

*For AS*A07/ 09/ 12/ 14/ 18LACM

*For AB*F/ AR*F/ AS*A/ AU*F/ AG*F Type

4-1. For AB/ AR/ AU/ AS Type

4-2. For AB*F/ AR*F/ AU*F/ AS*A/ AG*F Type

Switch the airflow [AUTO], and the indoor fan motor will run according to a room temperature,

as shown in Figure 3.

On the other hand, if switched in [HIGH] [QUIET], the indoor motor will run at a constant airflow

of [HEAT] operation modes QUIET, LOW, MED, HIGH, as shown in Table 2.

( Fig.3 : Airflow change - over ( Heating : AUTO ) )

TR-Ts > - 1.5 degC

- 2.5 degC > TR-Ts

- 1.5 degC > TR-Ts > - 2.5 degC

TR-Ts > - 1 degC

- 2 degC > TR-Ts

- 1 degC > TR-Ts > - 2 degC

When the room

temperature rises When the room

temperature drops

TR : Room temperature

Ts : Setting temperature

Lo mode

Me mode

Hi mode

*(Me+ mode)

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