Fujitsu ASYG09KMCB Original operating manual

Split type room air conditioner

Wall-mounted type

Inverter

Indoor unit Outdoor unit

SERVICE

INSTRUCTION

ASYG09KMCB

ASYG12KMCB

ASYG14KMCB

AOYG09KMCBN

AOYG12KMCBN

AOYG14KMCBN

CONTENTS

1. DESCRIPTION OF EACH CONTROL OPERATION

1. COMPRESSOR CONTROL.............................................................

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

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

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

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

6. TIMER OPERATION CONTROL......................................................

8. OFF DEFROST OPERATION CONTROL........................................

7. DEFROST OPERATION CONTROL................................................

10. VARIOUS PROTECTIONS.............................................................

9. VARIOUS CONTROL.......................................................................

01-01

01-05

01-06

01-10

01-12

01-14

01-16

01-18

01-23

01-19

2. TROUBLESHOOTING

1. ERROR DISPLAY.............................................................................

2. TROUBLESHOOTING WITH ERROR CODE..................................

3. TROUBLESHOOTING WITH NO ERROR CODE............................

02-01

02-03

02-23

4. PARTS INFORMATION....................................................................02-28

1 . DESCRIPTION OF EACH

CONTROL OPERATION

Wall-mounted type

INVERTER

1. COMPRESSOR CONTROL

01-01

1. COMPRESSOR FREQUENCY AT NORMAL START-UP

Compressor frequency soon after starting

is controlled as below.

Maximum

frequency

Compressor

SVB130FJDMC

Time

Forced 40 rps operation

for 60 seconds from start-up

60 sec 240 sec 280 sec 360 sec 400 sec

40 rps

90 rps

77 rps

56 rps

99 rps

Fig.1 Outdoor temperature zone

2. COOLING OPEARTION

A sensor (room temperature thermistor) built in the indoor unit body will usually perceive

difference or variation between set temperature and present room temperature, and

controls the operation frequency of the compressor.

Minimum

frequency

Maximum

frequency

AOYG09KMCBN

AOYG12KMCBN

AOYG14KMCBN

8 rps 46 rps

8 rps 68 rps

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 46 rps

B zone 46 rps

C zone 46 rps

AOYG09KMCBN

D zone 36 rps

E zone 36 rps

F zone 36 rps

34 rps

32 rps

30 rps

28 rps

20 rps

01-02

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 set 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 set temperature,

the compressor will be stopped.

Outdoor

temperature drops

Outdoor

Table.1

temperature rises

Limit of maximum speed based on outdoor temperature

Outdoor

temp. zone Hi

Indoor fan mode

Me Lo Quiet

A zone 80 rps

B zone 80 rps

C zone 80 rps

AOYG14KMCBN

D zone 58 rps

E zone 58 rps

F zone 58 rps

50 rps

39 rps

42 rps

28 rps

26 rps

20 rps

Outdoor

temp. zone Hi

Indoor fan mode

Me Lo Quiet

A zone 68 rps

B zone 68 rps

C zone 68 rps

AOYG12KMCBN

D zone 46 rps

E zone 46 rps

F zone 46 rps

42 rps

34 rps

36 rps

28 rps

22 rps

20 rps

Outdoor

temp. zone Hi

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

frequency will attain to maximum performance.

8 rps 80 rps

3. HEATING OPERATION

01-03

Table 2

ig 2. Outdoor temperature zone

A zone

12°C

B zone

14°C

C zone

Indoor fan mode

Me Lo Quiet

87 rps 58 rps 46 rps 39 rps

58 rps 46 rps 32 rps

58 rps 46 rps 26 rps

AOYG09KMCBN

-10°C

-12°C

Outdoor

temperature rises Outdoor

temperature drops

Limit of maximum speed based on outdoor temperature

Outdoor

temp. zone H

87 rps

87 rps87 rps

Auto i

A zone

B zone

C zone

Indoor fan mode

Me Lo Quiet

AOYG14KMCBN

Outdoor

temp. zone HAuto i

A zone

B zone

C zone

Indoor fan mode

Me Lo Quiet

AOYG12KMCBN

Outdoor

temp. zone HAuto i

A zone

B zone

C zone

102 rps 102 rps 63 rps 54 rps

68 rps 54 rps 46 rps

68 rps 54 rps 36 rps

58 rps 46 rps 32 rps

87 rps87 rps

102 rps

A sensor (room temperature thermistor) built in the indoor unit body will usually perceive

difference or variation between set temperature and present room temperature, and

controls the operation frequency of the compressor.

Minimum

frequency

Maximum

frequency

AOYG09KMCBN

AOYG12KMCBN

AOYG14KMCBN

10 rps 87 rps

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

the compressor frequency is controlled within the range shown in Table 2.

However, the maximum frequency is limited in the range shown in Fig.2 based on

the indoor fan mode and the outdoor temperature.

If the room temperature is some degrees higher than set temperature,

the compressor will be stopped.

If the room temperature is 3°C lower than set temperature,

the compressor operation frequency will attain to maximum performance.

10 rps 102 rps

01-04

4. DRY OPERATION

In dry operation, maximum compressor frequency is defined

by set temperature, and room temperature as below.

Ts+0.5°C

Ts -1.5°C

Ts -0.5°C

Ts+1.5°C

Maximum compressor frequency is defined by zone.

Zone is defined by set temperature and room temperature.

20 rps

16 rps

0 rps

AOYG09KMCBN

X zone

J zone

Y zone

22 rps

18 rps

0 rps

AOYG12KMCBN

X zone

J zone

Y zone

Room temperature drops

Room temperature rises

Ts = Set temperature

26 rps

18 rps

0 rps

AOYG14KMCBN

2. AUTO CHANGEOVER OPERATION

01-05

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

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.

<Ts- 2°C ?

YES

HEATING OPERATION COOLING OPERATION

>Ts+2°C ?

Room temp.

When air conditioner is set to AUTO mode by remote control,

operation starts in the optimum mode from among heating,

cooling, dry and monitoring modes.

During operation, the optimum mode is automatically switched

in accordance with temperature changes.

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

3. INDOOR FAN CONTROL

01-06

1. FAN SPEED

Indoor fan speed is defined as below.

Fan motor

MFD-12CYBL

Operation mode Air flow mode ASYG09/12KMCB ASYG14KMCB

Speed

Cooling/ Fan

Powerful

Me+

Heating

Quiet

Dry

S-Lo

Cool air prevention

1,380 rpm

600 rpm

680 rpm

930 rpm

1,160 rpm

1,320 rpm

1,380 rpm

480 rpm

600 rpm

710 rpm

980 rpm

1,160 rpm

1,280 rpm

1,320 rpm

X zone: 680 rpm

J zone: 660 rpm

1,420 rpm

670 rpm

750 rpm

990 rpm

1,220 rpm

1,360 rpm

1,420 rpm

480 rpm

600 rpm

770 rpm

1,040 rpm

1,220 rpm

1,330 rpm

1,360 rpm

X zone: 750 rpm

J zone: 730 rpm

* Soft Quiet

*Note

During Economy operation and operation mode is Fan,

air flow is 1 step downs.

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

01-07

Airflow can be switched in 5 steps such as Auto, Quiet, Lo, Me, Hi,

while indoor unit fan only runs.

When fan mode is set at (Auto), it operates on (Me) fan speed.

2. FAN OPERATION

3. COOLING OPERATION

Switch the airflow [Auto], and indoor fan motor will run

according to room temperature, as below.

On the other hand, if switched in [Hi] ~ [Quiet],

indoor motor will run at a constant airflow of [Cool]

operation modes Quiet, Lo, Me, Hi, as the previous page.

Fig : Airflow changeover (Cooling : Auto)

When room

temperature rises

When 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

4. DRY OPERATION

As the table in the previous page,

during dry operation, fan speed setting can not be changed.

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