Fujitsu ASU09RL2 Betriebsanleitung

SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTEDtype

Models Indoor unit Outdoor unit

INVERTER

SERVICE

INSTRUCTION

R410A

ASU09RL2

ASU12RL2

AOU09RL2

AOU12RL2

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

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

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

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

14. FORCED COOLING OPERATION..............................................................................

15. COMPRESSOR PREHEATING..................................................................................

16. ECONOMY OPERATION............................................................................................

01-01

01-02

01-03

01-04

01-06

01-07

01-08

01-09

01-11

01-12

17. POWERFUL OPERATION.......................................................................................... 01-12

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

18. DEFROST OPERATION CONTROL........................................................................... 01-13

01-15

20. 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

02-21

2-4 SERVICE PARTS INFORMATION.............................................................................. 02-26

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

Maximum

frequency

AOU09RL2

AOU12RL2 18rps 57rps

80rps

36°C

(97°F)

A zone

34°C

(93°F) 32°C

(90°F)

B zone

30°C

(86°F) 21°C

(70°F)

C zone

19°C

(66°F)

D zone

Indoor fan mode

Me Lo Quiet

A zone 80rps 49rps 42rps 32rps

B zone 80rps 49rps 42rps 32rps

C zone 80rps 49rps 42rps 32rps

ASU09RL2

D zone 49rps 44rps 40rps 29rps

E zone 49rps 44rps 40rps 29rps

F zone 49rps 44rps 40rps 29rps

( Table 1 : Compressor frequency range )

01-01

E zone

F zone

10°C

(50°F)

0°C

(32°F)

12°C

(54°F)

2°C

(36°F)

* When the room temperature is between +2°C(4°F) to -2.5°C(-5°F) 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.

ASU12RL2 A zone 96rps 61rps 51rps 33rps

B zone 96rps 61rps 51rps 33rps

C zone 96rps 61rps 51rps 33rps

D zone 73rps 57rps 45rps 33rps

E zone 73rps 57rps 45rps 33rps

F zone 73rps 57rps 45rps 33rps

When the outdoor

temperature drops

When the outdoor

temperature rises

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

80rps

96rps

Outdoor

temp. zone Hi

* If the room temperature is 2°C(4°F) 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 3°C (6°F) 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 (+5°F) to -3°C (-6°F) 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

AOU09RL2

AOU12RL2 18rps 120rps

80rps

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

(09 : 52 rps, 12 : 61 rps) for 60 seconds.

Ts+0.5°C (Ts+1°F)

Ts -1.5°C (Ts-3°F)

Ts -0.5°C (Ts-1°F)

Ts+1.5°C (Ts+3°F)

( Table 5 : Compressor frequency in Dry mode)

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

Operating

frequency

30rps

28rps

0rps

AO09RL2 X zone

J zone

Y zone

Operating

frequency

J zone

Y zone

X zone 33rps

25rps

0rps

AO12RL2

X zone

J zone

Y zone

When the room

temperature drops

When the room

temperature rises

Indoor fan mode

Me Lo Quiet Auto

120rps

80rps

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

AOU09RL2

AOU12RL2

4. AUTO CHANGEOVER OPERATION

01-03

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

START

Room temp.

>Ts+2°C (4°F) ?

COOLING OPERATION

HEATING OPERATION

YES

TS: Setting temperature

<Ts- 2°C(4°F) ?

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, 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 (64°F) and 30°C (88°F) in 1°C (2°F) 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 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 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 (4°F)

1°C (2°F) > TR-Ts

2°C (4°F) > TR-Ts > 1°C (2°F)

TR-Ts > 2.5°C (5°F)

1.5°C (3°F) > TR-Ts

2.5°C (5°F) > TR-Ts > 1.5°C (3°F)

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

ASU09RL2 ASU12RL2

4. DRY OPERATION

Refer to the Table 6.

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

Hi 1360

Hi 1320

Me+ 1290

Me 1120

Lo 900

Lo 840 860

Quiet 700

* Soft Quiet 600

Quiet 700

S-Lo 480

Cool air prevention 600

Powerful 1420

Powerful 1400

1360

1320

1290

1120

900

700

600

700

480

600

1420

1400

*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 (-3°F)

-2.5°C (-5°F) > TR-Ts

-1.5°C (3°F) > TR-Ts > -2.5°C (-5°F)

TR-Ts > -1°C (-2°F)

-2°C (-4°F) > TR-Ts

-1°C (-2°F) > TR-Ts > -2°C (-4°F)

When the room

temperature rises When the room

temperature drops

TR : Room temperature

Ts : Setting temperature

Lo mode

Me mode

Me+ mode

42°C (108°F)

30°C (86°F)

34°C (93°F)

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 (102°F)

37°C (99°F)

32°C (90°F)

28°C (82°F)

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

ASU09/12RL2 700rpm 600rpm

Y zone

0 480rpm 700rpm

Dry Cooling

42°C

(108°F)

30°C

(86°F)

34°C

(93°F)

Powerful

Cool air

prevention

39°C

(102°F)

37°C

(99°F)

37°C

(99°F)

32°C

(90°F)

28°C

(82°F)

S-Lo

* Lower speed is selected.

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