Fujitsu AJH072LELAH, Installation Manual

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...