Fujitsu AS G09LLTB-T Series Original Betriebsanleitung

SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTEDtype

Models

INVERTER

SERVICE

R410A

AS*G09LLTB-T

AS*G12LLTB-T AO*G09LLTB-T

AO*G12LLTB-T

AO*G09LLTB-T

AO*G12LLTB-T

INSTRUCTION

Outdoor unitIndoor unit

CONTENTS

1. 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..........................................................................................

10. TEST OPERATION CONTROL...................................................................................

12. FOUR-WAY VALVE EXTENSION SELECT................................................................

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

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

13. AUTO RESTART.........................................................................................................

15. FORCED COOLING OPERATION..............................................................................

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

17. ECONOMY OPERATION............................................................................................

01-01

01-02

01-03

01-04

01-06

01-07

01-08

01-09

01-11

01-12

18. POWERFUL OPERATION.......................................................................................... 01-12

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

19. DEFROST OPERATION CONTROL........................................................................... 01-13

01-15

21. VARIOUS PROTECTIONS.......................................................................................... 01-16

01-11

2. TROUBLE SHOOTING

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

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

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

02-01

02-02

02-20

2-4 SERVICE PARTS INFORMATION.............................................................................. 02-25

3. APPENDING DATA

3-1 FUNCTION SETTING.................................................................................................

3-1-1 INDOOR UNIT....................................................................................................

3-1-2 Procedures to change the Function Setting for wireless RC..............................

03-01

03-03

3-2 Thermistor Resistance Values.....................................................................................

3-2-1 INDOOR UNIT....................................................................................................

3-2-2 OUTDOOR UNIT................................................................................................

03-06

1 . DESCRIPTION OF EACH

CONTROL OPERATION

R410A

WALL MOUNTED type

INVERTER

( Fig.1 : Outdoor temperature zone )

1. COOLING OPERATION

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.

Minimum

frequency Maximum

frequency

AO*G09LLTB-T

AO*G12LLTB-T 18rps

16rps 64rps

87rps

36°C

A zone

34°C 32°C

B zone

30°C 21°C

C zone

19°C

D zone

Indoor fan mode

Me Lo Quiet

A zone 64rps 51rps 42rps 30rps

B zone 64rps 51rps 42rps 30rps

C zone 64rps 51rps 42rps 30rps

AO*G09LLTB-T

D zone 48rps 45rps 39rps 30rps

E zone 48rps 45rps 39rps 30rps

F zone 48rps 45rps 39rps 30rps

( Table 1 : Compressor frequency range )

01-01

E zone

F zone

10°C

0°C

12°C

2°C

* 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 Fig.1 based on the indoor

fan mode and the outdoor temperature.

* If the room temperature is some degrees lower than a set temperature,

the compressor will be stopped.

AO*G12LLTB-T A zone 87rps 55rps 46rps 30rps

B zone 87rps 55rps 46rps 30rps

C zone 87rps 55rps 46rps 30rps

D zone 62rps 52rps 44rps 30rps

E zone 62rps 52rps 44rps 30rps

F zone 62rps 52rps 44rps 30rps

When the outdoor

temperature drops

When the outdoor

temperature rises

( Table 2 : Limit of maximum speed based on outdoor temperature )

Outdoor

temp. zone Hi

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

frequency will attain to maximum performance.

2. HEATING OPERATION

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 some degrees higher than a set temperature,

the compressor will be stopped.

* When the room temperature is between +2.5°C to -3°C of the setting temperature,

the compressor frequency is controlled within the range shown in Table 3.

However, the maximum frequency is limited shown in Table 4 based on the fan mode.

( Table 3 : Compressor frequency range )

01-02

Minimum

frequency Maximum

frequency

AO*G09LLTB-T 18rps

16rpsAO*G12LLTB-T 120rps

109rps

3. DRY OPERATION

The compressor 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 5.

However, after the compressor is driven, the indoor unit shall run at operation frequency of

61rps for 60 seconds.

Ts+0.5°C

Ts -1.5°C

Ts -0.5°C

Ts+1.5°C

( Table 5 : Compressor frequency in Dry mode)

( Fig.2 : Compressor control based on room temperature )

Operating

frequency

30rps

25rps

0rps

09LLTB-T X zone

J zone

Y zone

Operating

frequency

J zone

Y zone

X zone 30rps

23rps

0rps

12LLTB-T

X zone

J zone

Y zone

When the room

temperature drops

When the room

temperature rises

Indoor fan mode

Me Lo Quiet Auto

120rps 120rps 120rps

80rps 68rps

73rpsAO*G12LLTB-T 62rps

AO*G09LLTB-T

( Table 4 : Limit of maximum speed based on outdoor temperature )

109rps 109rps 109rps

4. AUTO CHANGEOVER OPERATION

01-03

(Fig. 3 : Operation flow chart in Auto changeover)

START

TS: Setting temperature

Thermostat remains

in OFF state for 6 minutes or

longer?

System stops

or operation command other than

auto changeover operation?

Thermostat remains

in OFF state for 6 minutes or

longer?

System stops

or operation command other than

auto changeover operation?

YES

YESYES

<Ts- 2°C ?

YES

HEATING OPERATION COOLING OPERATION

>Ts+2°C ?

Room temp.

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

mode from among the Heating, Cooling, Dry and Monitoring modes.

During operation, the optimum mode is automatically switched in accordance with temperature changes.

The temperature can be set between 18°C and 30°C in 1°C steps.

5. INDOOR FAN CONTROL

The airflow can be switched in 5 steps such as Auto, Quiet, Lo, Me, Hi, while the indoor fan only runs.

When fan mode is set at [Auto], it operates on [Me] fan Speed.

01-04

2. FAN OPERATION

3. COOLING OPERATION

Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature, as shown in Figure4.

On the other hand, if switched in [Hi] [Quiet], the indoor motor will run at a constant airflow of [Cool]

operation modes Quiet, Lo, Me, Hi, as shown in Table 6.

( Fig.4 : Airflow change - over ( Cooling : Auto ) ) When the room

temperature rises

When the room

temperature drops TR : Room temperature

Ts : Setting temperature

TR-Ts > 2°C

1°C > TR-Ts

2°C > TR-Ts > 1°C

TR-Ts > 2.5°C

1.5°C > TR-Ts

2.5°C > TR-Ts > 1.5°C

Hi mode

Me mode

Lo mode

1. Fan speed

( Table 6 : Indoor fan speed )

Operation mode Air flow mode Speed (rpm)

Cooling/ Fan

Heating

Dry X zone: 700

J zone: 600 X zone: 700

J zone: 600

AS*G09LLTB-T AS*G12LLTB-T

4. DRY OPERATION

Refer to the Table 6.

During the dry mode operation, the fan speed setting can not be changed.

Me+

Quiet

* Soft Quiet

Quiet

S-Lo

Cool air prevention

Powerful

1420

1360

1290

1120

900

700

600

480

1400

1320

1120

840

700

600

1420

1360

1290

1120

900

700

600

480

1400

1320

1120

860

700

600

*Note, during Economy operation and operation mode is Fan, air flow is 1 step downs.

(Hi > Me, Me > Lo, Lo > Quiet, Quiet > Soft Quiet)

The maximum value of the indoor fan speed is set as shown in Fig.6 based on the detected

temperature by the indoor heat-exchanger sensor on heating mode.

( Fig.6 : Cool air prevension control )

01-05

5. HEATING OPERATION

Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature, as shown in Fig. 5

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

of [Heat] operation modes Quiet, Lo, Me, High, as shown in Table 6.

6. COOL AIR PREVENTION CONTROL (Heating mode)

( Fig.5 : Airflow change - over ( Heating : Auto ) )

TR-Ts > -1.5°C

-2.5°C > TR-Ts

-1.5°C > TR-Ts > -2.5°C

TR-Ts > -1°C

-2°C > TR-Ts

-1°C > TR-Ts > -2°C

When the room

temperature rises When the room

temperature drops TR : Room temperature

Ts : Setting temperature

Lo mode

Me mode

Me+ mode

42°C

30°C

34°C

When the Indoor heat

exchanger temp. rises When the Indoor heat

exchanger temp. drops When the Indoor heat

exchanger temp. rises When the Indoor heat

exchanger temp. drops

* Hi or setting

Fan mode

* Me+ or setting

Fan mode

* Lo or setting

Fan mode

Cool air

prevention

39°C

37°C

32°C

28°C

S-Lo

Switch the airflow [Auto] at cooling mode, and the indoor fan motor will run as shown in Fig.7.

7. MOISTURE RETURN PREVENTION CONTROL (Cooling mode& Dry mode)

( Fig.7 : Indoor fan control )

Compressor

OFF

Indoor fan

Setting air flow

Indoor fan

(as shown in Table 7)

S-Lo

OFF

10 30 60 180 60 180 60 10 30

(sec)

( Table 7 : Indoor fan speed )

X zone J zone

AS*G09/12LLTB-T 700rpm 600rpm 700rpm

Dry Cooling

42°C

30°C

34°C

Powerful

Cool air

prevention

39°C

37°C

32°C

28°C

S-Lo

* Lower speed is selected.

Switch the airflow at cooling mode, and the indoor fan motor will run as shown in Fig.7.

It depends on the Function setting "Indoor unit fan control for energy saving."

8. INDOOR UNIT FAN CONTROL FOR ENERGY SAVING (Cooling mode)

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