Fujitsu AS G07KGTA Series Original Betriebsanleitung

SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTEDtype

Models Indoor unit Outdoor unit

INVERTER

AS*G07KGTA

AS*G09KGTA

AS*G12KGTA

AS*G14KGTA

AO*G07KGCA

AO*G09KGCA

AO*G12KGCA

AO*G14KGCA

Models

SERVICE

INSTRUCTION

RSG07KGTA

RSG09KGTA

RSG12KGTA

RSG14KGTA

ROG07KGCA

ROG09KGCA

ROG12KGCA

ROG14KGCA

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

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

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

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

19. ECONOMY OPERATION............................................................................................

21. OUTDOOR UNIT LOW NOISE OPERATION..............................................................

20. HUMAN SENSOR........................................................................................................

01-01

01-02

01-03

01-04

01-05

01-07

01-08

01-09

01-10

01-13

01-14

01-15

18. 10°C HEAT OPERATION............................................................................................ 01-15

01-15

01-16

22. POWERFUL OPERATION.......................................................................................... 01-16

24. OFF DEFROST OPERATION CONTROL...................................................................

23. DEFROST OPERATION CONTROL........................................................................... 01-17

01-19

25. VARIOUS PROTECTIONS.......................................................................................... 01-20

01-13

2. TROUBLE SHOOTING

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

2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY.....................

2-1-2 WIRED REMOTE CONTROLLER DISPLAY (OPTION).....................................

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

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

02-01

02-03

02-04

02-31

2-4 SERVICE PARTS INFORMATION.............................................................................. 02-36

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

03-05

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

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

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

03-07

1 . DESCRIPTION OF EACH

CONTROL OPERATION

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

Maximum

frequency

12rps 44rps

47rps

62rps

67rps

12rps 83rps58rps

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 62rps 36rps 24rps 18rps

B zone 62rps 36rps 24rps 18rps

C zone 62rps 36rps 24rps 18rps

D zone 44rps 34rps 22rps 16rps

E zone 44rps 34rps 22rps 16rps

F zone 44rps 34rps 22rps 16rps

( 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 +6°C to -1°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*G09KGCA

AO*G12KGCA

AO*G14KGCA

A zone 67rps 38rps 26rps 18rps

B zone 67rps 38rps 26rps 18rps

C zone 67rps 38rps 26rps 18rps

D zone 47rps 36rps 24rps 16rps

E zone 47rps 36rps 24rps 16rps

F zone 47rps 36rps 24rps 16rps

A zone 83rps 42rps 30rps 18rps

B zone 83rps 42rps 30rps 18rps

C zone 83rps 30rps 18rps

D zone 58rps 40rps 28rps 16rps

E zone 58rps 40rps 28rps 16rps

F zone 58rps 40rps 28rps 16rps

A zone 83rps 42rps 30rps 18rps

B zone 83rps 42rps 30rps 18rps

C zone 83rps 42rps 30rps 18rps

D zone 58rps 40rps 28rps 16rps

E zone 58rps 40rps 28rps 16rps

F zone 58rps 40rps 28rps 16rps

42rps

Outdoor

temperature

Outdoor

temperature

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

AO*G07KGCA

AO*G09KGCA

AO*G07KGCA

AO*G12KGCA

AO*G14KGCA

Outdoor

temp. zone Hi

* If the room temperature is 6°C higher than a set temperature, the compressor operation

frequency will attain to maximum performance.

When the compressor operates for 30 minutes continuously at over the maximum frequency ,

the maximum frequency is changed from Maximum Frequency to Maximum Frequency .

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 6°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 +1°C to -6°C of the setting temperature,

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

( Table 3 : Compressor frequency range )

01-02

Minimum

frequency

Maximum

frequency

12rps 110rps

AO*G07KGCA

AO*G09KGCA

AO*G12KGCA

AO*G14KGCA

01-03

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 4.

Ts+0.5°C

Ts -1.5°C

Ts -0.5°C

Ts+1.5°C

( Table 4 : Compressor frequency in Dry mode)

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

Operating

frequency

22rps

16rps

0rps

X zone

J zone

Y zone

X zone

J zone

Y zone

Room

temperature

Room

temperature

4. AUTO CHANGEOVER OPERATION

01-04

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

START

Room temp.

>Ts+2°C ?

COOLING OPERATION

HEATING OPERATION

YES

TS: Setting temperature

<Ts- 2°C ?

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

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 switched in accordance with temperature changes.

The temperature can be set between 18 C and 30 C in 0.5 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.

01-05

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 Fig4.

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 5.

( 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 5 : Indoor fan speed )

Operation mode Air flow mode

Speed (rpm)

Cooling/ Fan

Heating

Dry X zone: 550

J zone: 550

X zone: 550

J zone: 550

X zone: 550

J zone: 550

AS*G07KGTA AS*G09KGTA AS*G12KGTA

4. DRY OPERATION

Refer to the Table 5.

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

AS*G14KGTA

X zone: 590

J zone: 590

Me+

Quiet

S-Lo

Cool air prevention

Powerful

1200

1130

1040

950

790

620

550

400

1040

890

750

550

1110

1230

1160

1070

980

800

620

550

400

1100

920

750

550

1170

1290

1220

1140

1060

900

630

550

470

1130

950

790

550

1220

1330

1260

1160

1080

900

670

590

470

1220

1000

810

590

1290

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 )

01-06

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 5.

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

Indoor heat exchanger

temperature Indoor heat exchanger

temperature

Me+

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.

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."

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

8. INDOOR UNIT FAN (CONTROL FOR ENERGY SAVING (Cooling 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 6 : Indoor fan speed )

X zone J zone

AS*G07/09/12KGTA 550rpm 550rpm 550rpm

AS*G14KGTA 590rpm 590rpm 590rpm

Dry Cooling

42°C

30°C

34°C

Indoor heat exchanger

temperature Indoor heat exchanger

temperature

Powerful

Cool air

prevention

39°C

37°C

32°C

28°C

S-Lo

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