Fujitsu ASYA07LBCM User manual

SPLIT TYPE
ROOM AIR CONDITIONER
Models Indoor unit Outdoor unit
AOYA14LAC2
INVERTER MULTI
SERVICE
INSTRUCTION
R410A
Wall Mounted type
ASYA07LBCM
ASYA09LBCM
ASYA12LBCM

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. DEFROST OPERATION CONTROL...........................................................................
14. COMPRESSOR PREHEATING..................................................................................
18. VARIOUS PROTECTIONS.........................................................................................
16. OFF DEFROST OPERATION CONTROL..................................................................
01-01
01-01
01-02
01-05
01-06
01-07
01-08
01-12
01-12
01-12
01-12
01-13
01-13
01-14
01-16
01-17
17. 10 C HEAT OPERATION........................................................................................... 01-16
01-13
2-1-2 WIRED REMOTE CONTROLLER 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
02-01
02-02
02-29
02-04
02-34
3. REPLACEMENT PARTS

1 . DESCRIPTION OF EACH
CONTROL OPERATION
R410A
INVERTER (MULTI )
Wall Mounted 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 2 minute. (Air flow mode: Qu)
After 2 minute, depends on the room temperature and outdoor air temperature,
the operation mode is selected in accordance with the table below.
1
Ts : Setting temperature
Tb: 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.
1
2
31
4
1
( Table 1 : Operation mode selection table )
Room temperature :Tb
Outdoor temperature :To
Tb > Ts +2 degC
Ts -2 degC > Tb
==
Ts +2 degC > Tb > Ts-2 degC
Cooling
(Automatic Dry)
Cooling
(Automatic Dry)
Monitoring
Monitoring Monitoring Monitoring
Monitoring
Heating Heating
A zone B zone C zone
A zone
B zone
C zone
32°C
10°C
( Fig.1 : Outdoor air temperature zone selection )

3. INDOOR FAN CONTROL
1. Fan speed
( Table 2 : Indoor Fan Speed )
01-02
Operation mode Air flow mode Speed (rpm)
Hi 1220
1100
920
680
Me
Lo
Dry
(Refer Fig 2)
Monitoring
Quiet
Hi
Me
Lo
Quiet
1160
1100
980
700
600
480
Cool air prevention
S- Lo
Cooling
Heating
ASYA07/09LBCM
Me+
1220
X zone : 680
J zone : 650
Y zone : 0 480
ASYA12LBCM
Operation mode Air flow mode Speed (rpm)
Hi 1440
1200
920
680
Me
Lo
Dry
(Refer Fig 2)
Monitoring
Quiet
Hi
Me
Lo
Quiet
1370
1200
980
700
600
480
Cool air prevention
S- Lo
Cooling
Heating
Me+
1440
X zone : 680
J zone : 650
Y zone : 0 480
2. FAN OPERATION
The airflow can be switched in 6 steps such as AUTO, QUIET, LOW, MED, MED+, HIGH,
while the indoor fan only runs.
3. COOLING OPERATION
(Fig.1)
airflow change - over ( Cooling: AUTO ) When the room
temperature rises
Lo mode
When the room
temperature lowers
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 > 2.5 degC
=
1.5 degC > TR-Ts
2.5 degC > TR-Ts > 1.5 degC
=
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.

01-03
4. HEATING OPERATION
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
Me+ mode
5. COOL AIR PREVENTION CONTROL (Heating mode)
47°C
30°C
34°C
Indoor heat exchanger
temperature Indoor heat exchanger
temperature
When the compressor operates, the maximum value of the indoor fan speed is set as shown in Figure 7,
based on the detected temperature by the indoor heat exchanger sensor on heating mode.
When the compressor does not operate, the indoor fan motor operates [S-Lo] mode.
( Fig.7 : Cool Air Prevention Control )
< [Hi] setting >
Hi
Me
Lo
Cool air
prevention
40°C
37°C
40°C
32°C
28°C
40°C
32°C
Indoor heat exchanger
temperature Indoor heat exchanger
temperature
< The other of [Hi] setting >
S-Lo
Lo (Qu)
Cool air
prevention
37°C
30°C
34°C
28°C
Setting
FAN mode
S-Lo
[ ASYA7, 9, 12LBCM: Cool air prevention 600rpm, S-Lo 480rpm ]

01-04
6. DRY OPERATION
Ts+0.5°C
Ts -1.5°C
Ts -0.5°C
Ts+1.5°C
( Fig.3 : Compressor Control based on Room Temperature )
( Fig.4 : Indoor Fan Control )
Room Room
temperature temperature
X zone
J zone
Y zone
Compressor
ON
OFF
Indoor fan
Setting air flow
Indoor fan
(as shown in Table 4)
S-Lo
OFF
10 30 60 180 60 180 60 10 30
(SEC)
Refer to the Table 2.
During the dry mode operation, the fan speed setting can not be changed.

4. OUTDOOR FAN CONTROL
Following table shows the fan speed of the outdoor unit.
01-05
1. Outdoor Fan Motor
*It runs at 500rpm for 20 seconds after starting up the outdoor fan.
( Table 3 : Fan speed of the outdoor unit )
820/ 700/ 410/ 320/ 250/ 200 rpm 900/ 820/ 700/ 410/ 320/ 250 /200 rpm
Cooling Heating
AOYA14LAC2

5. LOUVER CONTROL
01-06
1. VERTICAL LOUVER CONTROL
Each time the button is pressed, the air direction range will change as follow:
Cooling / Dry mode
Heating mode
Fan mode
Use the air direction adjustments within the ranges shown above.
The vertical airflow direction is set automatically as shown, in accordance with the type of operation
selected.
Cooling / Dry mode Horizontal flow
Heating mode Downward flow
When the temperature of the air being blown out is low at the start of heating operation or during
defrosting, the airflow direction temporarily becomes to prevent cold air being blown onto the body.
During use of the Cooling and Dry modes, do not set the Air Flow Direction Louver in the Heating
range ( ) for long period of time, since water vapor many condense near the outlet louvers and
drop of water may drip from the air conditioner. During the Cooling and Dry modes, if the Air Flow
Direction Louvers are left in the hating range for more than 30 minutes, they will automatically
return to position .
During Monitor operation in AUTO CHANGEOVER mode, the airflow direction automatically
becomes , and it cannot be adjusted.
Cooling mode / Dry mode / Fan mode ( )
Heating mode / Fan mode ( )
(Function Range)
(Air Direction Range)
(Operation Range)
2. SWING OPERATION
When the swing signal is received from the remote controller,
the vertical louver starts to swing.
(Swinging Range)
When the indoor fan is either at S-lo or Stop mode, the swinging operation is interrupted
and the louver stops at the memorized position.

6. COMPRESSOR CONTROL
1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in the table 4.
Cooling Heating
Min Max Min Max
18Hz 80Hz 18Hz 110HzAOYA14LAC2
(Table 4 : Compressor Operation Frequency Range)
2. OPERATION FREQUENCY CONTROL AT START UP
01-07
The compressor frequency soon after the start-up is controlled as shown in Figure 10.
(Fig.10 : Compressor Control at Start-up)
40Hz
120sec
120sec
60- 720sec
180- 720sec 300- 720sec
56Hz
82Hz