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En-18

10. LED STATUS

You can determine the operating status by the lighting up and blinking of the LED display.
Check the status using the table below.

10.1. Normal operation codes

Mode

CODE

DESCRIPTION

Operation

C

L

Cooling

H

t

Heating

o

r

During oil recovery operation

d

F

During defrosting operation

P

C

During power saving operation

L

n

During low noise operation

10.2. Error codes

Mode

CODE

DESCRIPTION

Communication 
error

E

1

4.

2 Outdoor unit network communication 2 error

E

1

4.

5 The number of indoor unit shortage

Function setting 
error

E

2

2.

1 Indoor unit capacity error

E

2

4.

2 Connection unit number error (Indoor unit)

E

2

6.

1 Indoor unit duplicate address error

E

2

8.

1 Auto address setting error

E

2

8.

4 Signal amplifier auto address error

Indoor unit 
actuator error

E

5

U.

1 Indoor unit miscellaneous error

Outdoor unit 
PCB/Electrical 
component/ 
Switch error

E

6

1.

5 Outdoor unit reverse/missing phase & wiring error

E

6

2.

3 Outdoor unit EEPROM access error

E

6

2.

6 Outdoor unit inverters communication error

E

6

2.

8 Outdoor unit EEPROM data corruption error

E

6

3.

1 Outdoor unit inverter error

E

6

7.

2

Outdoor unit inverter PCB power short interruption 
error

E

6

8.

2

Outdoor unit rush current limiting resister temp. rise 
error (protective operation)

E

6

9.

1

Outdoor unit transmission PCB parallel communica-
tion error

Outdoor unit 
sensor error

E

7

1.

1 Outdoor unit discharge temp. thermistor 1 error

E

7

2.

1 Outdoor unit compressor temp. thermistor 1 error

E

7

3.

3 Outdoor unit heat ex. liquid temp. thermistor error

E

7

4.

1 Outside air temp. thermistor error

E

7

5.

1 Outdoor unit suction gas temp. thermistor error

E

7

7.

1 Outdoor unit heat sink temp. thermistor error

E

8

2.

1

Outdoor unit sub-cool heat ex. gas inlet temp. 
thermistor error

E

8

2.

2

Outdoor unit sub-cool heat ex. gas outlet temp. 
thermistor error

E

8

3.

2 Outdoor unit liquid pipe temp. thermistor 2 error

E

8

4.

1

Outdoor unit current sensor 1 error 
(permanent stop)

E

8

6.

1 Outdoor unit discharge pressure sensor error

E

8

6.

3 Outdoor unit suction pressure sensor error

E

8

6.

4 Outdoor unit high pressure switch 1 error

Outdoor unit 
actuator error

E

9

3.

1 Outdoor unit inverter compressor start up error

E

9

4.

1 Outdoor unit trip detection

E

9

5.

5

Outdoor unit compressor motor loss of synchroniza-
tion

E

9

7.

1 Outdoor unit fan motor 1 lock error

E

9

7.

4 Outdoor unit fan motor 1 undervoltage error

E

9

7.

5

Outdoor unit fan motor 1 temperature error 
(protective action)

E

9

7.

9 Outdoor unit fan motor 1 driver error.

E

9

8.

1 Outdoor unit fan motor 2 lock error

E

9

8.

5

Outdoor unit fan motor 2 temperature error 
(protective action)

E

9

8.

9 Outdoor unit fan motor 2 driver error.

E

9

A.

1 Outdoor unit coil 1 (expansion valve 1) error

E

9

A.

2 Outdoor unit coil 2 (expansion valve 2) error

Refrigerant 
system error

E

A

1.

1

Outdoor unit discharge temperature 1 error (perma-
nent stop)

E

A

3.

1 Outdoor unit compressor 1 temperature error

E

A

4.

1 Outdoor unit high pressure error

E

A

4.

2 Outdoor unit high pressure protective action 1

E

A

5.

1 Outdoor unit low pressure error

E

A

C.

4 Outdoor unit heat sink temperature error

,,

,

,

,

,

,

,

,

,

,

t:

L:

7:

H:

J:

6:

A:

C:

E:

F:

,

,

,

d:

n:

o:

r:

,

,

,

,

,

9:

P:

U:

S:

8:

,

,

,

,

5:

3:

4:

1:

2:

,

0:

7 segment LED indicator:

11. INFORMATION

Main contents of label

Item

Detail

1.  Model name

Model name

2.  Serial number

Serial number

3.  Electric characteristics

Phase, rated voltage, and frequency

4. Weight 

Product 

weight

5. Capacity

Cooling/heating capacity under cooling/heating 
condition (refer to item 15)

6. Current

Electric current during cooling/heating operation 
under cooling/heating condition (refer to item 15)

7. Input 

power

Input during cooling/heating operation under cool-
ing/heating condition (refer to item 15)

8. Max. 

Current

Maximum electric current
(Test condition: IEC60335-2-40)

9.  Refrigerant

Refrigerant type and initial charging amount

10. Max. pressure (HP/LP)

Means pressure of High Pressure side/Low Pres-
sure side

11.  Protection

Protection level against dust and water

12. Condition of cooling/heating

Dry-bulb temperature and wet-bulb temperature 
under standard cooling/heating condition

13. Manufacture year

Manufacture year

14. Origin

Origin country

15. Manufacturer

Manufacturer
FUJITSU GENERAL LIMITED
Address: 3-3-17, Suenaga, Takatsu-ku, Kawasaki 
213-8502, Japan

9380545200-03_IM.indb   18

9380545200-03_IM.indb   18

4/6/2017   3:20:35 PM

4/6/2017   3:20:35 PM

Summary of Contents for AJH072LELAH

Page 1: ...English INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only PART No 9380545200 03 AJY072LELAH AJY090LELAH AJY108LELAH AJH072LELAH AJH090LELAH AJH108LELAH Original instructions ...

Page 2: ...rminals electric shock or fire Securely install the electrical box cover on the unit An improperly installed electrical box cover can cause serious accidents such as electric shock or fire through exposure to dust or water Do not turn ON the power until all work has been completed Turning ON the power before the work is completed can cause serious accidents such as electric shock or fire After the...

Page 3: ...itioning with power breaker Other wise it may cause malfunction or water leakage When setting it up near the equipment that generates electromagnetic waves and the equipment that generates the higher harmonics wave be sure to take measures against noise Otherwise it may cause malfunction or failure When energizing to the crankcase heater please turn on the power 12 hours or earlier before operatio...

Page 4: ...transmission cable and remote control cable at least 1 meter away from a television or radio The purpose of this is to prevent TV reception interference or radio noise Even if they are installed more than 1 meter apart you could still receive noise under some signal conditions Keep the length of the piping of the indoor and outdoor units within the allowable range For maintenance purposes do not b...

Page 5: ...e 600 or more 1000 or more 2000 or more 500 or more 600 or more 1500 or more 3000 or more 3 4 Transporting the unit WARNING Do not touch the fins Otherwise personal injury could result CAUTION When carrying the unit hold the handles on the right and left sides and be careful If the outdoor unit is carried from the bottom hands or fingers may be pinched Hoisting method When hoisting the outdoor uni...

Page 6: ...COPPER 2 JIS H3300 C1220T H or equivalent Please select the pipe size in accordance with local rules 1 Allowable tensile stress 33 N mm2 2 Allowable tensile stress 61 N mm2 3 Endurance pressure of the pipes 4 2MPa 3 5 Installing the unit Please install the outdoor unit without slant within 0 3 degrees Install 4 anchor bolts at the locations indicated with arrows in the figure To reduce vibration d...

Page 7: ...10 0 11 2 12 5 14 0 18 0 22 4 25 0 28 0 In the case of ARXD07GALH equivalent to model code of indoor unit Model code 07 Capacity 2 2kW 4 3 Protection of pipes Location Working period Protection method Outdoor 1 month or more Pinch pipes Less than 1 month Pinch or tape pipes Indoor Pinch or tape pipes Protect the pipes to prevent the entry of moisture and dust Especially pay attention when passing ...

Page 8: ...ening valves Operating the valves Use a hexagon wrench size 3 16 in 4 mm Opening 1 Insert the hexagon wrench into the valve shaft and turn it counterclock wise 2 Stop turning when the valve shaft can no longer be turned Open position Closing 1 Insert the hexagon wrench into the valve shaft and turn it clockwise 2 Stop turning when the valve shaft can no longer be turned Closed position Opening dir...

Page 9: ...reaker in a location that is not exposed to high temperatures If the temperature surrounding the breaker is too high the amperage at which the breaker cuts out may decrease Use a breaker Included with earth leakage circuit breaker that is capable of handling high frequencies Because the outdoor unit is inverter controlled a high frequency earth leakage circuit breaker is necessary to prevent a mal...

Page 10: ...it Indoor unit Terminal resistor Fig 2 Outdoor unit Indoor unit Signal Amplifier System Controller Touch Panel Controller Transmission line Terminal resistor Terminal resistor NS 1 NS 2 NOTES Do not use loop wiring This may lead to parts damage and erroneous operation 6 4 3 Enabling Disabling automatic address setting You can enable disable automatic address setting for the indoor unit and the sig...

Page 11: ... transmission cable Connect both ends of the shielded wire of the transmission cable to the earth ground terminal of the equipment or to the earth ground screw near the terminal Be sure to use one side of a twisted pair cable when using transmission cable with 2 sets of twisted pair cables Wind with insulation tape to prevent short circuit Use one side of the twisted pair cable Connect both ends o...

Page 12: ...erminal This is the output signal for base heater Output signal ON when the outdoor temperature goes down below 2 C and signal OFF at the outdoor temperature 4 C Voltage power supply input voltage cable 0 82 mm2 18AWG P C B Base heater 9 CN115 Black 8 8 Connect to pin 1 and pin 3 No connection pin 2 and pin 4 9 The allowable current is 1 A or less 7 FIELD SETTING CAUTION Discharge the static elect...

Page 13: ...ed set the rotary switch REF AD as shown in the table below Refrigerant circuit address Rotary Switch Setting Setting Setting range Type of switch REF AD 10 1 Refrigerant circuit address 0 99 Setting example 63 0 0 0 1 0 1 2 0 2 REF AD 10 REF AD 1 Rotary Switch REF AD 1 Factory setting 0 Rotary Switch REF AD 10 Factory setting 0 98 9 8 99 9 9 7 4 Push button setting Various functions can be set Se...

Page 14: ...nt display display ERROR lamp Blinking 2 Setting method Use the MODE EXIT SELECT and ENTER buttons to configure settings according to the proce dures below If no setting is made the factory default setting will be displayed Press the MODE EXIT button Press the SELECT button Press the ENTER button Press the ENTER button for more than 3 seconds 1 Function setting 7 segment LED display LED 105 LED 10...

Page 15: ...e as signed in the order when they are installed Refer to the indoor unit installation manual for the procedures to check the addresses 7 6 2 Procedures to enable automatic address setting on indoor units Check that the rotary switch IU AD on the indoor unit PC board is set to 00 If it is not set to 00 it means the address of that device is not set Factory default is 00 Turn on the power of the in...

Page 16: ...by monitoring with a vacuum gauge Evacuation procedure 1 Remove the blank caps of the gas pipe and liquid pipe and check that the valves are closed 2 Remove the charging port cap 3 Connect a vacuum pump and a pressure gauge to a charging hose and connect it to the charging port 4 Activate the vacuum pump and vacuum the indoor unit and connection piping until the pressure gauge becomes 100 7 kPa 75...

Page 17: ...ar electrical components in the service panel If the outdoor unit is installed at a level that is higher than the indoor unit the water that has condensed in the 3 way valve of the outdoor unit could travel to the indoor unit Therefore use putty in the space between the pipe and the insulation to prevent the entry of water to the indoor units 9 TEST RUN 9 1 Indoor unit connection check Normal oper...

Page 18: ... codes When error codes are displayed all the error codes can be confirmed by pressing the SELECT button Example When Indoor unit capacity error E221 and Indoor unit duplicate address error E261 occurred 1 When the address of the overlap indoor unit is displayed press and hold the ENTER button for more than 3 seconds 2 When errors other than the address of the overlap indoor unit exist press SELEC...

Page 19: ...tdoor unit suction pressure sensor error E 8 6 4 Outdoor unit high pressure switch 1 error Outdoor unit actuator error E 9 3 1 Outdoor unit inverter compressor start up error E 9 4 1 Outdoor unit trip detection E 9 5 5 Outdoor unit compressor motor loss of synchroniza tion E 9 7 1 Outdoor unit fan motor 1 lock error E 9 7 4 Outdoor unit fan motor 1 undervoltage error E 9 7 5 Outdoor unit fan motor...

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