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AirStage ARXB07LALH, Руководство по обслуживанию

AirStage ARXB07LALH - мощный кондиционер с инновационной технологией. Чтобы узнать больше о его настройке и обслуживании, скачайте бесплатный сервисный мануал на нашем сайте. Узнайте, как получить максимум от этого продукта! Скачивайте с manualshive.com.

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CONTENTS

1. TEST RUN

1-3   TEST RUN CONTROL

................................................................................................ 

1-2-1   Check Items Before Power ON............................................................................ 
1-2-2   Check Items After Power ON............................................................................... 

1-2   TEST RUN METHOD

.................................................................................................. 

1-1   EXECUTION PROCEDURE AND EXECUTION PRECAUTIONS

............................. 

1-2-4   Automatic address setting procedure for indoor units.......................................... 

01-01
01-03
01-03
01-04

01-07

1-2-3   Automatic address setting procedure for Signal amplifiers.................................. 01-06

01-10

1-4   Field Setting And Monitor Mode List

....................................................................... 01-11

2-1   INPUT / OUTPUT LIST

..............................................................................................

2. OUTDOOR UNIT OPERATION

 CONTROL

2-2   COMPRESSOR OPERATION

....................................................................................

02-01

02-02

02-02
02-03

2-2-3   Speed Range of Start,Stop,and Operation..........................................................

2-2-2   Capacity Control.................................................................................................

02-02

2-2-1   Operation / Stop Condition.................................................................................

2-5   SPECIAL OPERATION

.............................................................................................. 02-09

02-09
02-10

2-5-2   Pre-Heat Operation............................................................................................

2-5-1   Oil Recovery Operation......................................................................................

2-6   PROTECTIVE FUNCTION

........................................................................................ 02-11

02-11

2-6-1   Protective Function List......................................................................................

2-5-3   Defrost Operation Control.................................................................................. 02-10

2-3   FAN CONTROL

.......................................................................................................... 02-05

2-4   EXPANSION VALVE CONTROL

............................................................................... 02-08

02-05

02-07

2-3-3   Low noise mode..................................................................................................

02-08

2-3-4   Other Control.......................................................................................................

2-3-1   Cooling Operation...............................................................................................

02-06

2-3-2   Heating Operation...............................................................................................

1-2-5   Indoor unit connection check procedure ............................................................. 01-08
1-2-6   Test run from the outdoor unit  ............................................................................ 01-09

1-2-7   Test run from the Remote controller .................................................................... 01-09

Содержание ARXB07LALH

Страница 1: ...Small VRF system for light commercial and home use SERVICE MANUAL...

Страница 2: ......

Страница 3: ...SSOR OPERATION 02 01 02 02 02 02 02 03 2 2 3 Speed Range of Start Stop and Operation 2 2 2 Capacity Control 02 02 2 2 1 Operation Stop Condition 2 5 SPECIAL OPERATION 02 09 02 09 02 10 2 5 2 Pre Heat...

Страница 4: ...it 4 2 2 Outdoor Unit Display 4 3 TROUBLE SHOOTING 04 04 04 05 4 2 5 Error Code List for Simple and Wired Remote Controller 04 07 4 2 6 Error Code List for Group Remote Controller 04 07 4 2 7 Error Co...

Страница 5: ...1 Pressure sensor 05 01 05 02 05 02 5 2 2 Outdoor Unit 05 15 5 3 CHARACTERISTICS OF SENSORS 05 16 05 16 5 3 2 Thermistor resistance 05 17 5 3 3 Saturation temperature and saturation pressure tables R...

Страница 6: ......

Страница 7: ...1 TEST RUN...

Страница 8: ......

Страница 9: ...so that the tilt is within 10mm Excessive tilt will cause water leakage Select the size of the heat insulating material according to the ambient temperature and relative humidity of the refrigerant U...

Страница 10: ...Perform setting by push button SW on the outdoor unit Main PCB in the power ON state after all indoor units have stopped operation When setting the address of Signal amplifier please refer to the ins...

Страница 11: ...e no scratches deformation tilting etc Shall be checked and entered in the check sheet Shall be installed positively Connection points check loose terminal panel screws check 0 33mm2 shielded wire use...

Страница 12: ...2 2 Check Items After Power ON 01 04 Function setting Are the necessary functions set For the setting Refer to the page 01 15 18 Outdoor unit Main PCB push button SW setting check Note Cooling test ru...

Страница 13: ...ed the figures will be changed slightly It depends on following conditions Outdoor unit capacity Indoor and outdoor temperature Indoor unit capacity Pipe length etc Indoor unit service tool actual mea...

Страница 14: ...the procedures below 1 FUNCTION Setting First 2 digits Last 2 digits the display when the main power is turned on When F4 to F9 are displayed continue to press the SELECT button until F3 is displayed...

Страница 15: ...below 1 FUNCTION Setting First 2 digits Last 2 digits the display when the main power is turned on When F4 to F9 are displayed continue to press the SELECT button until F3 is displayed MODE EXIT SELE...

Страница 16: ...of indoor unit and outdoor unit Press the ENTER button for more than 3 seconds This will be displayed when the Indoor unit connection check starts MODE EXIT SELECT ENTER ENTER ENTER 1 2 1 The number o...

Страница 17: ...n Fuction select condition Function mode SWITCH POSITION SW107 SW108 SW109 MODE EXIT SELECT ENTER LED101 GREEN POWER MODE LED105 LED104 LED102 RED ERROR Push button switch 7 Segment LED Lamp Outdoor u...

Страница 18: ...l and perform operation check Check that there are no abnormal sounds or vibration sounds during test run operation Perform the test operation for 60 minutes 1 Standard wired remote controller UTY LNH...

Страница 19: ...st Operation Central Controller Setting Indoor unit Special setting Indoor Unit Set Temp Range Filter Sign R C Prohibition Group Select All Identify Unit Clear Unit On Select All Details Off Operation...

Страница 20: ...Up Down List Heat Auto Cool 26 0 C 24 0C Auto 22 0 C Auto 24 0 C 21 5 C Heat 21 5 C 21 5 C Cool Off Off Off All 21 0 C Heat All LangeGroup LangeGroup Top Up Down List OfficeA PC Room Room 101 Restrant...

Страница 21: ...ation is reset by stopping operation of the objective devices by pressing Off of Operation and then pressing OK on the setting screen 01 13 3 4 5 Cancel Off On OK Transferring data Please wait On On R...

Страница 22: ...e indoor unit operates or stops All units in the same refrigerant circuit will start to conduct a test run in accordance with the operation mode set by push switch of outdoor unit see 1 2 3 4 After 60...

Страница 23: ...scharge temperature The value of the Thermistor 1 is displayed 32 Information on Thermistor 3 Outdoor temperature The value of the Thermistor 3 is displayed 33 Information on Thermistor 4 Suction temp...

Страница 24: ...s forbidden 70 Electricity meter No setting 1 Set the ones digit and tens digit of the No of the electricity meter connected to CN135 3 00 99 Setting number x00 x99 00 71 Electricity meter No setting...

Страница 25: ...Start Up Error Discharge Temperature 1 Abnormal Low Pressure Abnormal Current Sensor 1 Error Trip Detection Rush Current Limiting Resistor Temp Rise Protection Outdoor Unit FAN motor 1 Lock Error Outd...

Страница 26: ...g 2 C 02 Temperature undershoot setting 2 C 31 Heat air temperature trigger 00 Default 0 C 01 Temperature undershoot setting 6 C 02 Temperature slightly undershoot setting 4 C 03 Temperature overshoot...

Страница 27: ...2 OUTDOOR UNIT OPERATION CONTROL...

Страница 28: ......

Страница 29: ...valve coil AC220 240V 50 60Hz 6 5 W Solenoid valve Comp pressure equalizing valve AC220 240V 50Hz 6W Crank case heater For Inverter Compressor AC240V 25W Base heater Field supply AC220 240V 35W LON WO...

Страница 30: ...ing protection Failure Refer to chapter 4 TROUBLE SHOOTING Under expansion valve initialization At protective operation Emergency stop Defrost operation 02 02 2 2 COMPRESSOR OPERATION 2 2 2 Capacity C...

Страница 31: ...ends on system capacity capacity of compressor operation pipe length and capacity shift switch settings Cooling Heating 02 03 2 2 3 Speed Range of Start Stop And Operation On stop mode 0 rps On operat...

Страница 32: ...cess or High pressure 2 63MPa or Discharge SH 10 and Discharge temperature 10 a 1 25 Low pressure value 2 125 High Pressure 3 60MPa 3 30MPa Maximum 3 00MPa Maximum speed 80rps Maximum speed 90rps Maxi...

Страница 33: ...ed value TAOUT 30 C 30 C TAOUT 20 C 20 C TAOUT 10 C 10 C TAOUT The initial speed of the outdoor unit is detected by out door temperature sensor 35 52 40 4 46 6 54 High pressure saturation temperature...

Страница 34: ...h pressure is monitoring at a set time interval and the fan speed is changed by the following conditions Condition which lowers the fan speed High pressure 3 30MPa and heat sink temperature 80 C Condi...

Страница 35: ...is low low pressure saturation 0 C at heating Operation in low noise mode When the low noise mode setting ON from PUSH SW or EXTERNAL INPUT the outdoor unit operates in the low noise mode as follows...

Страница 36: ...m reaches closer to the target discharge temperature that is calculated from high and low pressure Cooling mode Heating mode 500 pulses basically Initialization conditions Control range operation stop...

Страница 37: ...oling oil recovery operation exceeds 3 hours first time 1hour End condition 30 seconds have elapsed since the start and suction temperature low pressure saturation temperature 5deg or 6 minutes have e...

Страница 38: ...perature or when 10 minutes have elapsed from the start When the indoor unit connection capacity is 90 or less after 15 minutes have elapsed Defrosting end judgment temperature 0 39 x outdoor temperat...

Страница 39: ...2 times within 40 minutes Pattern reset condition Error reset push button SW executed after power turned on again Compressor stopped permanent stop Error display Starting conditions COMP 25 rps HP 3...

Страница 40: ...minutes have elapsed and low pressure 0 18MPa Reset conditions 3 minutes have elapsed and low pressure 0 22MPa EEV of stopped indoor unit opened quickly 450pls Abnormal Low Pressure Protection Contro...

Страница 41: ...g 23 5A Frequency Maximum Setting Protection Compressor Pattern starting condition Current value Cooling 23 0A Heating 24 0A Pattern reset condition Current value Cooling 23 0A Heating 24 0A Current D...

Страница 42: ......

Страница 43: ...3 INDOOR UNIT OPERATION...

Страница 44: ......

Страница 45: ...ng operation fan speed is decided by the difference between the room temperature and the set temperature 1 The indoor fan starts operation 5 seconds after the electric expansion valve opens However wh...

Страница 46: ...ry from the connected indoor units There are 3 priority modes of Neutral Cooling Priority and Heating Priority The operation modes restricted by each of these modes are as follows Priority mode Neutra...

Страница 47: ...unit regardless of the current priority mode The priority mode is fixed at either cooling or heating even if the master indoor unit stops Cooling heating switching can be performed by the master indo...

Страница 48: ...it by outdoor unit DIP SW 2 Set the master indoor unit by wired remote controller 3 Judge cooling heating by the difference between the master indoor unit s setting temperature and the room temperatur...

Страница 49: ...of refrigrant flow The thres hold temperature of stop of refrigrant flow Ts 0 5 C Ts 0 5 C 3 2 4 HEAT Position 1 When using the heating mode set the temperature to a value higher than the current room...

Страница 50: ...At tempting to move them manually could result in improper operation in this case stop operation and restart The louvers should begin to operate properly again When used in a room with infants chil dr...

Страница 51: ...YPE and COMPACT WALL MOUNTED TYPE 1 3 4 5 2 03 07 1 2 3 4 5 Press the VERTICAL SWING button for more than two seconds The remote controller s Vertical Swing Display will light up In this mode the UP D...

Страница 52: ...button for more than two seconds once and again The remote controller s Horizontal Swing Display will go out Airflow direction will return to the setting before swing was begun Example When set to hor...

Страница 53: ...the drain pump will turn off in 1 hour after the end of indoor heat exchanger frost prevention operation 4 When the water level in the drain pan rises up and then the float switch functions Microcompu...

Страница 54: ...EEV Control pulse During the above operation a refrigerant noise may be from the indoor unit The icing of the indoor heat exchanger is prevented during the cooling and dry mode operation 1 Starting Co...

Страница 55: ...used when this controller is used together with the remote controller Wired type A beeping sound is made when a signal is received To set the ON OFF timer 1 2 Adjust the OFF or ON time About 5 second...

Страница 56: ...g operation dry operation Heating operation When the sleep timer is set the set temperature automatically rises 1 C every hour The set temperature can rise up to a maximum of 2 C Timer setting 60min 1...

Страница 57: ...units Press the Select button to select the indoor unit Press the PROGRAM CLOCK AD JUST button Do not press this button for two sec onds or more otherwise you will en ter the time setting mode Press t...

Страница 58: ...to complete the weekly timer setting flashes for two seconds Setting the timer for the other indoor units Before setting the timer for other indoor units press the ENTER button to confirm the settings...

Страница 59: ...when the button is pressed 2 Press the DELETE button to cancel the timer mode The timer mode can also be canceled by changing the timer mode using the timer mode button 1 NON STOP OFF TIMER ON TIMER...

Страница 60: ...necessary set the second weekly timer settings in the same way When the operating time is set the mark appears 6 Press the TIMER SET button for 2 seconds or more to complete the weekly timer settings...

Страница 61: ...e DAY OFF setting is cancelled automatically after the set day has passed Flashing mark indicates the DAY OFF ON OFF ON OFF DAY OFF WEEKLY WEEKLY WEEKLY WEEKLY ON OFF ON OFF DAY OFF To start cancel th...

Страница 62: ...ratures as low as 10 12 and 14 C cannot be set depending on the model SET BACK SU MO TU WE TH FR SA 3 6 9 12 15 18 21 SU MO TU WE TH FR SA 3 6 9 12 15 18 21 ex When setting all days together Temperatu...

Страница 63: ...4 TROUBLE SHOOTING...

Страница 64: ...imer LED Timer Continuous lighting Operation LED Operation Flashing Pattern Indication Lamp Indication type 04 01 Opposite Operation Mode 4 1 NORMAL OPERATION 4 TROUBLESHOOTING 4 1 1 Indoor Unit Displ...

Страница 65: ...OW N OISE Blinking Description POWER LED101 ERROR LED102 ON ON OFF OFF P ROTECT 4 ON OFF 1 sec 1 sec Peak Cut Mode Starting condition Discharge temp fixed value 115 C Release condition 3 minutes have...

Страница 66: ...times flash 2 3 times flash 1 times flash Continuous flash 2 times flash 3 times flash 10 Continuous flash 1 times flash 3 times flash Continuous flash 4 times flash 1 times flash 11 Continuous flash...

Страница 67: ...lay is changed by SELECT short press ENTER short press ENTER short press ENTER short press ENTER long press Short press less than 3 seconds Long press more than 3 seconds Annunciation Type of errors A...

Страница 68: ...32 31 30 29 28 27 26 25 24 23 21 2 8 1 5 U 1 6 2 8 6 2 3 6 2 6 6 3 1 6 7 2 6 9 1 2 8 4 7 2 1 7 3 3 7 4 1 7 5 1 7 7 1 8 2 1 8 2 2 8 3 2 8 4 1 8 6 1 8 6 3 8 6 4 7 1 1 Compressor Temp Sensor Error TH10 D...

Страница 69: ...Error code display Faulty unit No Remote controller address ERROR CODE DISPLAY GROUP REMOTE CONTROLLER The air conditioning system must be inspected if error code appears on the timer and Clock Displ...

Страница 70: ...4 A 5 Low Pressure Abnormal High Pressure Abnormal Compressor Temperature Abnormal Discharge Temperature Abnormal 7 1 7 2 7 3 7 4 7 5 7 7 Heat Sink Temperature Sensor Error Suction Gas Temperature Sen...

Страница 71: ...61 4 2 9 Error Code List for Network Convertor UTY VGGX Trouble shooting Error Contents Error Code C 1 1 2 C A Power Supply Error Software Error Communication Error with Group Remote Controller PCB E...

Страница 72: ...pressor stop High pressure switch error Inverter compressor stop Inverter error Inverter compressor stop Heat sink temperature abnormal Inverter compressor stop Inverter compressor start up error Inve...

Страница 73: ...not be judged without operating the system and the serviceman would not be able to check it if the system power is turned off before visiting the site for repair In Error release you need to operate...

Страница 74: ......

Страница 75: ...ctive contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Ch...

Страница 76: ...nstallation Manual OK Check power supply voltage AC230V between Indoor unit terminal 1 and 2 Check connection of Connector any lose connector or incorrect wiring Check any shortage or corrosion on PCB...

Страница 77: ...e drop or noise etc Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply...

Страница 78: ...ctor or incorrect wiring 6 5 35 8 0 30 10 0 12 5 15 8 20 1 25 2 33 6 Resistance Value 25 20 15 10 5 0 Temperature C 3 5 4 3 5 3 Resistance Value 50 45 40 Temperature C OK OK Check Point 3 Check voltag...

Страница 79: ...ction Check if thermistor cable is open Reset Power when reinstalling due to removed connector or incorrect wiring OK Check Point 2 Remove connector and check Thermistor resistance value Check Point 3...

Страница 80: ...check Thermistor resistance value Resistance Value Temperature C 32 4 35 40 0 30 49 8 62 5 79 1 100 9 129 8 168 6 25 20 15 10 5 0 Resistance Value Temperature C 17 8 21 2 26 3 50 45 40 04 16 OK Check...

Страница 81: ...h and check ON OFF switching operation by using a meter If Float switch is defective replace it ON OFF OK Forecast of Cause 1 Float switch defective 2 Shorted connector wire 3 Controller PCB defective...

Страница 82: ...replace it Check Point 1 Check rotation of Fan Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace it Check Point 3 Ch...

Страница 83: ...Unit Operation LED 1 times Flash Timer LED 2 Times Flash Filter LED Continuous Flash Outdoor Unit E 5 U 1 Error LED Continuous Flash Remote Controller 1 2 Detective Actuators Indoor unit Controller P...

Страница 84: ...int 3 Replace Communication PCB Replace Communication PCB If the symptom does not change replace Controller PCB and set up the original address Check Point 1 2 Check outside cause such as noise Check...

Страница 85: ...which causes harmonic wave And check the complete insulation of grounding If the same symptom does not reappear after resetting the power possibility of noise is high Check Point 1 Check the connecti...

Страница 86: ...ET 3 1 SET 3 2 Master OFF OFF OK Check Point 3 Replace Main PCB Change Main PCB and set up the original address 4 3 2 Trouble Shooring With Error Code OUTDOOR UNIT 1 Wrong DIP SW setting 2 Power suppl...

Страница 87: ...heck if momentary open was not generated Check if ground is connection correctly or there are no related cables near the power line Check Point 2 Check the indoor unit power supply Main power ON check...

Страница 88: ...connection Detective Actuators Forecast of Cause No communication for 180 seconds or more from all indoor units that once received communication Check Point 4 Check the Terminal resistor setting Term...

Страница 89: ...pen was not generated Check if ground is connection correctly or there are no related cables near the power line Check Point 2 Replace Main PCB Change Main PCB and set up the original address Check Po...

Страница 90: ...B defective Check Point 4 Replace Inverter PCB Replace Inverter PCB Check if ground is connection correctly or there are no related cables near the power line Check Point 1 1 Turn the power on again E...

Страница 91: ...mode 35 execution and the power was turned back on Set contents sum value memorized in EEPROM and sum value calculated based on the set contents read from EEPROM do not match Regarding the sum value o...

Страница 92: ...correctly or there are no related cables near the power line Check Point 2 Check the wiring Power supply to Filter PCB INV to Inverter PCB Connector and wiring connection state check Cable open check...

Страница 93: ...PCB INV to Inverter PCB Connector and wiring connection state check Check Point 3 Check Main PCB Check Main PCB Power supply Check Point 4 Replace Inverter PCB Replace Inverter PCB 1 Noise momentary...

Страница 94: ...ve 4 Main PCB defective Check if ground is connection correctly or there are no related cables near the power line Check Point 4 Replace Main PCB Change Main PCB and set up the original address Check...

Страница 95: ...en check Check Point 2 Check the thermistor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information...

Страница 96: ...open check Check Point 2 Check the thermistor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Informati...

Страница 97: ...heck For the thermistor characteristics refer to the Service Parts Information 22 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN143 3 4 voltage value 5V Remove the thermistor from Main PCB...

Страница 98: ...PCB and check For the thermistor characteristics refer to the Service Parts Information Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN144 1 3 voltage value 5V Remove the thermistor from M...

Страница 99: ...stor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 22 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN143 1 2 voltage value 5V Remove the t...

Страница 100: ...Unit Operation LED 9 times Flash Timer LED 15 Times Flash Filter LED Continuous Flash Outdoor Unit E 77 1 Error Code 77 04 36 Trouble shooting 26 Indicate or Display Detective Actuators Detective det...

Страница 101: ...stor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 22 Check Point 3 Check voltage of Main...

Страница 102: ...istor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 22 Check Point 3 Check voltage of Main...

Страница 103: ...te check Cable open check Check Point 2 Check the thermistor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service P...

Страница 104: ...ply section current sensor section 4 Inverter PCB defective Check Point 1 Filter PCB to Inverter PCB current sensor wiring connection state Connector and wiring connection state check Cable open check...

Страница 105: ...harge pressure sensor connector disconnection open 2 Discharge pressure sensor defective 3 Main PCB defective OK Check Point 1 Check the discharge pressure sensor connection state Connector connection...

Страница 106: ...apsed since the outdoor unit power was turned on and pressure sensor detected value 5 0V was detected 1 Suction pressure sensor connector disconnection open 2 Suction pressure sensor defective 3 Main...

Страница 107: ...Check Point 1 Check the high pressure switch connection state Connector and wiring connection state check Cable open check Check Point 2 Check the high pressure switch characteristics Switch character...

Страница 108: ...tat After the end of the 1st set the 2nd set is not started if all the compressors in the same refrigerant system are not temporarily stopped Wiring connection state check Cable open check Check Point...

Страница 109: ...at sources Discharged air not sucked in Check Point 3 Check the Inverter compressor Check Inverter compressor Check Point 2 Check the Inverter PCB Inverter PCB check Refer to Service Parts Information...

Страница 110: ...d again within 40 seconds after restarting Check Point 2 Check the Inverter compressor Inverter compressor check Refer to Service Parts Information Check Point 1 Check the Inverter PCB Inverter PCB ch...

Страница 111: ...eration check Check Point 4 Check Main PCB Drive circuit output check Between Pin No 3 and Pin No 2 on CN 116 CN117 DC 13 6 16 5 V Check if speed can be detected If replace Main PCB and and set up ori...

Страница 112: ...tor check DC voltage detection circuit check If replace Main PCB and and set up orignal address Check Point 2 Check the power line Power ON Temporary voltage drop not generated Momentary open circuit...

Страница 113: ...t 5 Replace the fan motor Ambient temperature not raised by the effect of other heat sources Discharged air not sucked in Check Point 4 Check the static pressure Check if static pressure is set correc...

Страница 114: ...imes Flash Filter LED Continuous Flash Outdoor Unit E 9A 1 EEV1 E 9A 2 EEV2 Error Code 9A 04 50 1 EEV coil lose connection Trouble shooting 40 Indicate or Display Detective Actuators Detective details...

Страница 115: ...turn Refer to Service Parts Information 14 15 16 Check Point 3 Check the outdoor unit fan heat exchanger Check for foreign matter at heat exchanger Check if fan can be rotated by hand Motor check Chec...

Страница 116: ...Filter LED Continuous Flash Outdoor Unit E A3 1 Error Code A3 04 52 Cooling operation OK Heating operation Check Point 1 Check if 3 way valve gas side is open EEV EEV1 EEV2 indoor unit EEV open Strai...

Страница 117: ...harge pressure sensor characteristics check For the characteristics of the discharge pressure sensor refer to Service Parts Information Check Point 6 Check the discharge pressure sensor Check Point 7...

Страница 118: ...Discharged air not sucked in Check Point 2 Check the outdoor unit fan operation heat exchanger ambient temperature High pressure switch 1 characteristics check For the characteristics of the high pre...

Страница 119: ...ange Outdoor unit EEV1 operation check Strainer not clogged Refer to Service Parts Information Check Point 4 Check the outdoor unit EEV strainer clogging Indoor unit EEV operation check Strainer not c...

Страница 120: ...etective details OUTDOOR UNIT Error Method Forecast of Cause OK OK OK 1 Signal amplifier power supply defective 2 Signal amplifier overconnected 3 Signal amplifier auto address wrong setting 4 Noise m...

Страница 121: ...roller PCB defective Check Point 2 Noise momentary open voltage drop Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground is connection correctly...

Страница 122: ...wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check the fuse and thermal fuse OK NG Replace the fuse or thermal fuse...

Страница 123: ...wer failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equip...

Страница 124: ...wings Isn t Communication PCB of Indoor Unit removed Is there loose or removed communication line of Indoor Unit and Outdoor Unit Check Terminator DIP SW SET 5 is installed on Outdoor Main PCB Check l...

Страница 125: ...ect sunlight Check Point 5 Check Refrigeration Cycle Check if Strainer is clogged Refer to the figure at right Measure Gas Pressure and if there is a leakage correct it When recharging the refrigerant...

Страница 126: ...ck Compressor Refer to Service Parts Information OK OK Is Main Unit installed in stable condition Is the installation of Air suction grille and front panel normal In case of Duct type Is Static Pressu...

Страница 127: ...if connection cable is open OK Cause 4 Ext Switch Controller is defective Replace External Switch Controller OK Error Contents The abnormality in connection of remote controller cable Symptom LED repe...

Страница 128: ...alue between the terminals at the time of input OPEN More than 50 SHORT Less than 1 OK Cause 5 Ext Switch Controller is defective Replace External Switch Controller OK Cause 1 Connection cable is defe...

Страница 129: ...tem design is normal OK Cause 2 External noise OK Cause 4 System Design mistake Check following items Refer to Installation Manual 1 Installation location of Terminal Resistor Only 1 location on NS 2...

Страница 130: ...m Error display C 1 No operation Details Condition of occurrence Communication error between CPU and Network Driver IC Release condition Communication is normal between CPU and Network Driver IC Cause...

Страница 131: ...ise source OK Error Contents Communication Error A Symptom Error display D14 Flashing or Lighting No operation Cause 1 External noise Upon pressing RESET button SW7 or turning on power proceed as foll...

Страница 132: ...source Remove the surrounding noise source YES OK NO Trouble shooting 66 Error Contents Power Supply Error Symptom No display Details Condition of occurrence Normal power is not supplied 7 segment in...

Страница 133: ...ecked the power supply is reset Check connection cable wire between Network Convertor and Connected Remote Controller Check connection between Control PCB and Terminal Cause 3 Incorrect setting of Net...

Страница 134: ...tered at Replace Group Remote Controller is 3 refrigerant circuits or more even though connected to one converter Make 2 refrigerant circuits or less and wait 2 minutes YES NO Replace Network Converto...

Страница 135: ...ng noise source Remove the surrounding noise source YES OK NO Trouble shooting 71 Error Contents Power Supply Error Symptom No display Details Condition of occurrence Normal power is not supplied 7 se...

Страница 136: ...Connected Remote Controller Check connection between Control PCB and Terminal Cause 3 Incorrect setting of Network Convertor s DIP SW107 2 Wired RC Validity setting Check Network Convertor PCB DIP SW1...

Страница 137: ...heck DIP SW103 1 to 8 of Network Convertor Indoor unit type RC type number of Indoor units connected Check Indoor unit type and RC type of all Indoor units connected to Network Convertor Cause 6 Defec...

Страница 138: ...heck DIP SW103 1 to 8 of Network Convertor Indoor unit type RC type number of Indoor units connected Check Indoor unit type and RC type of all Indoor units connected to Network Convertor Cause 6 Defec...

Страница 139: ...gram performed an abnormal control Error of inside information of EEPROM initial setting of Network Converor PCB was not normally performed Release condition Micon has been reset and the control of Ne...

Страница 140: ...shing Details Condition of occurrence When EEPROM can not be written or the control port does not operate Release condition Power is reset 4 Group Remote Controller UTY CGGY CGGG Trouble shooting 77 C...

Страница 141: ...e key to enter the function selection process Trouble shooting 78 Trouble shooting 79 Cause 1 Connection failure Check power to the convertor Check connection of remote control line between controller...

Страница 142: ...convertor power line is disconnected Check connection between controller and the convertor Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure C...

Страница 143: ...1 Remote Controller internal thermistor trouble Replace Group Remote Controller Cause 2 Check outside cause Voltage drop or noise etc Instant drop Check if there is a large load electric apparatus in...

Страница 144: ...trouble OK OK OK OK Check cable Check indoor unit power supply Check if the indoor unit remote controller addresses are sequentially set from 0 Replace remote controller Change Controller PCB and set...

Страница 145: ...ndoor unit power supply For the check and modification methods refer to the remote controller including external SW installation manual When there is 1 remote controller check whether or not it is set...

Страница 146: ...o the terminal of the undetected unit Using Service Tool perform scan changing the network segment where the Service Tool is connected and localize the mistaken network segment Start from the network...

Страница 147: ...re the defect of Compressor can be considered Compression part broken or valve defective In case of constant speed compressor check connection and winding resistance Check if Protector is operated Ref...

Страница 148: ...ention If Check 1 2 are normal make sure the following points 1 Check AC voltage among each terminals from filter PCB INV to Diode Bridge Rated voltage among L and N If it does not appear check the po...

Страница 149: ...pressure low pressure connected to the connector of the Main PCB 9 Is there a short between pins 1 3 of the Main PCB side connector Replace Main PCB YES YES NO NO Replace Main PCB Check Main PCB 2 YE...

Страница 150: ...k Inverter PCB 4 10 Disconnect the connection wires 8 pin connector between the Inverter PCB Main PCB 11 Is there a short between Inverter PCB side connector pins 1 2 and 2 3 Inverter PCB side short c...

Страница 151: ...tween the following terminals Yellow wire P Fasten terminals U V W Blue wire N Fasten terminals U V W Set the tester to the Diode mode and measure the voltage value between the following terminals Jud...

Страница 152: ...1 Appearance check Check Point 2 Electric check Set the tester to the Resistance mode and check for open short between both ends of the reactor wire or connector Judge the result of as follows Short N...

Страница 153: ...s Stripped threads deformation damage etc No short between adjacent terminals Conducts before and after same terminal Not clogged with foreign matter Check Point 1 Appearance check Check Point 2 Elect...

Страница 154: ...Check Connections Check Connectors Loose connector or open cable Duct Small Wall mount Cassette Wall mount Floor Ceiling Ceiling Check Point 3 Check Voltage from Controller PCB Remove Connector and c...

Страница 155: ...6 Check Strainer Strainer normally does not have temperature difference between inlet and outlet as shown in 1 but if there is a difference as shown in 2 there is a possibility of inside clogged In th...

Страница 156: ...ot show replace Controller PCB Pipe In Pipe Out Pipe In Pipe Out Check Point 6 Check Strainer Strainer normally does not have temperature difference between i nlet and outlet as shown in 1 but if ther...

Страница 157: ...eration noise If an abnormal noise does not show replace Controller PCB Pipe In Pipe Out Pipe In Pipe Out Check Point 6 Check Strainer Strainer normally does not have temperature difference between i...

Страница 158: ...ENOIDE COIL SOLENOIDE COIL Normal Operation Pipe In TEMP Hi Pipe Out TEMP Normal Protection Function Pipe In TEMP Pipe Out TEMP OPEN CLOSE Check Point 4 Check opening closing operation of Valve Depend...

Страница 159: ...not proper replace 4 way valve HOT GAS HOT GAS HOT GAS HOT GAS Check Point 4 Check Voltage from Controller PCB ON OFF CN105 BLUE SOLENOIDCOIL 4WV BLUE 1 1 2 2 Check Point 1 Check Circuit connection C...

Страница 160: ...e of the motor If Resistance value is abnormal replace motor Red Pink Pink Violet Violet Blue Red Black White Red Lead wire 47 1 8 27 4 8 8 00 8 8 00 8 8 00 8 Resistance value AC Thermal protector Pr...

Страница 161: ...nce value AC Thermal protector Pr VIOLET Low BLUE S Lo PINK Med RED Hi BLACK WHITE 150 C at 20 C Check Point ARXA36 45LATH Duct Type Check each winding resistance of the motor If Resistance value is a...

Страница 162: ...ce of the motor If Resistance value is abnormal replace motor Red Pink Pink Violet Violet Blue Red Black White Red Lead wire 322 8 8 255 8 100 7 8 103 8 53 8 Resistance value AC Thermal protector Pr V...

Страница 163: ...tance value AC Thermal protector Pr VIOLET Low BLUE S Lo PINK Med RED Hi BLACK WHITE 140 C at 20 C Check Point ARXB18LALH Compact Duct Type Check each winding resistance of the motor If Resistance val...

Страница 164: ...3 8 Resistance value AC Thermal protector Pr VIOLET Med BLUE Low RED Hi BLACK WHITE 150 C at 20 C Check Point ARXC45LATH High Static Pressure Duct Type Check each winding resistance of the motor If Re...

Страница 165: ...GND Earth terminal If they are short circuited below 300 k replace Indoor fan motor and Controller PCB Pin number wire color Terminal function symbol 1 Brown or Blue 2 Yellow 3 White 4 Black 5 6 Red...

Страница 166: ...sure Sensor Characteristics of pressure sensor 4 5 5 0 0 5 0 Output V Pressure MPa DC Check Point Check Voltage from Main PCB DC With the connector connected to the PCB measure the voltage between CN1...

Страница 167: ...CE PARTS INFORMATION 15 Pressure switch Type of contact Characteristics of pressure switch C H Pressure Pressure switch For Inverter comp 4 2 0 1MPa 3 2 0 15MPa Contact Short Open Contact Open Short 0...

Страница 168: ...25 30 40 50 60 70 80 90 100 110 120 168 6 129 8 100 9 79 1 62 6 49 8 40 0 26 3 17 8 12 3 8 7 6 3 4 6 3 4 2 6 2 0 27 8 21 0 16 1 12 4 9 6 7 6 6 0 4 8 3 8 2 5 1 7 1 2 105 4 58 2 44 0 33 6 25 9 20 2 15 8...

Страница 169: ...mode and measure the resistance between the following terminals Judge the result of as follows All 3 points several M or greater Normal 1 or more points several k to short Defective IN IN L1 L2 P N C...

Страница 170: ...Vm DC voltage GND Earth terminal If they are short circuited below 300 k replace Outdoor fan motor Pin number wire color Terminal function symbol 1 Red 2 3 4 Black 5 White 6 Yellow 7 Brown DC voltage...

Страница 171: ...5 APPENDING DATA UNIT...

Страница 172: ......

Страница 173: ...e Regulation Valve TH1 Discharge temp TH3 Outdoor temp TH4 Suction temp TH5 Heat Exchanger Liquid Pipe temp TH7 Sub cool Heat Exchanger Outlet Liquid temp TH8 Sub cool Heat Exchanger Inlet Gas temp TH...

Страница 174: ...05 02 5 2 WIRING DIAGRAM 5 2 1 Indoor Unit MODELS AUXB07 09 12 14 18 24LALH...

Страница 175: ...05 03 MODELS AUXD18 24LALH AUXA30 36 45 54LALH...

Страница 176: ...05 04 MODELS ARXB07 09 12 14 18LALH...

Страница 177: ...05 05 MODEL ARXB24LATH MODELS ARXB30 36LATH...

Страница 178: ...05 06 MODEL ARXB45LATH...

Страница 179: ...05 07 MODEL ARXA24LATH MODELS ARXA30 36 45LATH...

Страница 180: ...MODELS ARXC36 45LATH 05 08...

Страница 181: ...05 09 MODELS ARXD07 09 12 14 18 24LATH...

Страница 182: ...MODELS AB A12 14 18 24LBTH 05 10...

Страница 183: ...05 11 MODELS AB A30 36 45 54LBTH...

Страница 184: ...MODELS AS A07 09 12 14LACH 05 12...

Страница 185: ...MODELS AS E07 09 12 14LACH 05 13...

Страница 186: ...MODELS AS A18 24 30LACH 05 14...

Страница 187: ...05 15 MODELS AJ A36 45 54LALH 5 2 2 Outdoor Unit...

Страница 188: ...50 0 70 0 80 0 90 1 00 1 20 1 40 1 60 1 80 2 00 Pressure MPa Output V 0 50 0 58 0 66 0 74 0 82 0 90 1 06 1 14 1 22 1 30 1 46 1 62 1 78 1 94 2 10 2 20 2 40 2 60 2 80 3 00 3 20 3 40 3 60 3 80 4 00 4 20...

Страница 189: ...10 Outdoor temp TH3 Heat exchanger TH5 Suction temp TH4 Sub cool heat exchanger Gas inlet TH8 Sub cool heat exchanger Gas outlet TH9 Sub cool heat exchanger Liquid temp TH7 6 5 35 8 0 30 10 0 12 5 15...

Страница 190: ...1 513 1 557 1 601 1 647 1 693 1 740 1 788 1 837 1 887 1 938 1 990 2 043 2 097 2 152 2 208 2 265 2 323 2 382 2 442 2 503 2 565 2 629 2 693 2 759 2 826 2 894 2 963 3 034 3 106 3 178 3 253 3 328 3 405 3...

Страница 191: ...0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 30 20 10 0 10 20 30 40 50 60 Saturated liquid pressure MPa Gauge pressure Saturated liquid temperature C 05 19 5 3 4 Temperature and pressure of refrigerant Grap...

Страница 192: ......

Страница 193: ...6 DISASSEMBLY PROCESS...

Страница 194: ......

Страница 195: ...the CONTROL COVER by sliding toward Remove the SERVICE PANEL by sliding downward 06 01 6 DISASSEMBLY PROCESS Before servicing the unit turn the power supply switch OFF Then do not touch electric parts...

Страница 196: ...spacers Remove the connector Remove the COMMUNICATION PCB 06 02 Spacers Terminal Earth screw COMMUNICATION PCB Connector 5 COMMUNICATION PCB removal CN102 CN150 Caution Be careful about position of F...

Страница 197: ...PCB FILTER PCB and ACTPM removal Open the CONTROL BOX MAIN Remove the spacers 8 places Remove the connectors and screws Screws AC IN Earth screw Spacers 6 1 FILTER PCB removal Note the tightening tor...

Страница 198: ...sible from IPM and Diode Bridges when you exchange INVERTER PCB by the repair 2 Spread the heat transfer compound evenly on IPM and Diode Bridges 3 Prevent foreign matter from attaching to the surface...

Страница 199: ...h Solenoid Coil 4 way valve Solenoid Coil Solenoid Valve Pressure Sensor High Pressure Wear gloves to prevent the frostbite because a small amount of refrigerant leaks during work CAUTION Remove the P...

Страница 200: ...he THERMISTOR SPRING Remove the THERMISTOR Careful not to disconnect the thermistor wire with a strong pull 7 2 SOLENOID COIL Solenoid valve removal 7 3 SOLENOID COIL 4way valve removal Remove the mou...

Страница 201: ...GUARD by sliding upward Note at the installation Insert propeller Fan and Moter shaft reference D cutting position And the tightening torque at the installation Tightening torque is from 10 to 12N m N...

Страница 202: ...screws Remove the PIPE COVER FRONT screw serrated screw with washer Hooks 12 CHOKE COIL removal Remove the mounting screws Remove the mounting screw Remove the BRACKET CONTROL BOX Remove the connecto...

Страница 203: ...PANEL removal 06 09 Remove the mounting screws Remove the RIGHT PANEL by sliding upward 14 PIPE COVER REAR removal Remove the mounting screws Remove the PIPE COVER REAR Screws with washer Hook Screws...

Страница 204: ...3 Fully open the 3WAY VALVE Gas and 3WAY VALVE Liquid 4 Open the EEVs of Outdoor units and Indoor units by vaccuming mode 5 Collect the refrigerant from the 3WAY VALVE Start the following work after...

Страница 205: ...NK CASE Discharge side Cut the binder and remove the heat insulation Remove the Thermistor Discharge Remove the Thermistor Comp temp and Thermistor Discharge Remove the Terminal Cover and Compressor w...

Страница 206: ...refrigerant pipes during work 6 When brazing be sure to replace the air in the pipe with nitrogen gas to prevent forming oxidization scale 7 Open the 3WAY VALVE because there is a possibility of squir...

Страница 207: ...neral Limited All rights reserved TM is a worldwide trademark of FUJITSU GENERAL LIMITED Product specifications are subject to change without notice 1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan Pri...

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