Daikin ARXV25AV1B Service Manual Download

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SiK011003

Appendix

No.

Description

Part Code

Qty

FTXV35AV1B

ATXV35AV1B

Product Code

CB141N00400_L08682

CB141N00400_L07769

Front Panel Sub-Assy

00015500001_L08682

00015500001_L07769

Filter Sub-Assy

1112220403

Screw Cover

24252016

Electric Box Cover2

20122075

Front Case Sub-assy

20012139

Guide Louver

10512157

Helicoid Tongue

26112163

Air Louver 2

10512155

Air Louver 1

10512156

Drainage Hose

0523001401

Left Axile Bush

10512037

Crank

10582070

Stepping Motor

1521212901

Rear Case

2220245401

Connecting pipe clamp

26112164

Fan Motor

150120874

Wall Mounting Frame

01252021

Motor Press Plate

26112161

Cross Flow Fan

10352017

Evaporator Assy

01002953

Evaporator Support

24212091

O-Gasket sub-assy of Bearing

7651205102

Ring of Bearing

26152022

Rubber Plug (Water Tray)

76712012

Remote Controller

30510537

Connecting Cable

400205235

Power Cord

4002048710

Electric Box

2011208201

Main Board

30138000367

Jumper

4202300104

Lower Shield Sub-assy of Electric Box

01592072

Terminal Board

42011233

Electric Box Cover1

22242135

Shield Cover of Electric Box Sub-assy

01592073

Display Board

30565267

Electric Box Assy

10000200322

Axile Bush

10542036

Above data is subject to change without notice.

35 Class

Summary of Contents for ARXV25AV1B

Page 1: ...SiK011003 Applied Models Inverter Pair Heat Pump Inverter Pair Wall Mounted Type FTXV AB Series Draft ...

Page 2: ...ndoor Unit FTXV25AV1B FTXV35AV1B FTXV50AV1B FTXV60AV1B ATXV25AV1B ATXV35AV1B ATXV50AV1B ATXV60AV1B Outdoor Unit RXV25AV1B RXV35AV1B RXV50AV1B RXV60AV1B ARXV25AV1B ARXV35AV1B ARXV50AV1B ARXV60AV1B Inverter Pair Wall Mounted Type FTXV AB Series ...

Page 3: ...gram 16 1 Printed Circuit Board Connector Wiring Diagram 17 1 1 F A TXV25AV1B F A TXV35AV1B 17 1 2 F A TXV50AV1B F A TXV60AV1B 20 Part 4 Function and Control 23 1 Function and Control 24 1 1 F A TXV25AV1B F A TXV35AV1B 24 1 2 F A TXV50AV1B F A TTXV60AV1B 28 Part 5 Operation Manual 33 1 System Configuration 34 2 Operation Manual 35 2 1 Operation of Wireless Remote Control 35 Part 6 Troubleshooting ...

Page 4: ...air Working on the equipment that is connected to the power supply may cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas is discharged during the repair work do not touch the discharged refrigerant gas The refrigerant gas may cause fros...

Page 5: ...ectrical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Be sure to c...

Page 6: ...at generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section may cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable may cause an electrical shock or fire P...

Page 7: ...ent children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If the combustible gas leaks and remains around the u...

Page 8: ...e to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and wet the furniture and floor For unitary type only Caution Icon Type of Information Description Note Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A cau...

Page 9: ...1 SiK011003 Specifications Part 1 Specifications 1 Specifications 2 1 1 25 Class 2 1 2 35 Class 4 1 3 50 Class 6 1 4 60 Class 8 ...

Page 10: ...m2 16 24 16 24 Indoor Unit Model of indoor unit FTXV25AV1B ATXV25AV1B Product Code CB141N00300_L08682 CB141N00300_L07769 Fan Type Cross flow Cross flow Diameter Length DXL mm Φ92X645 Φ92X645 Fan Motor Cooling Speed SH H M L SL r min 1290 1070 900 690 1290 1070 900 690 Fan Motor Heating Speed SH H M L SL r min 1280 1050 980 920 1280 1050 980 920 Output of Fan Motor W 20 20 Fan Motor RLA A 0 10 0 10...

Page 11: ...w Volume of Outdoor Unit m3 h 1800 1800 Fan Type Axial flow Axial flow Fan Diameter mm Φ400 Φ400 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 2 5 Sound Pressure Level H M L dB ...

Page 12: ...oor Unit Model of indoor unit FTXV35AV1B ATXV35AV1B Product Code CB141N00400_L08682 CB141N00400_L07769 Fan Type Cross flow Cross flow Diameter Length DXL mm Φ92X645 Φ92X645 Fan Motor Cooling Speed SH H M L SL r min 1290 1070 900 690 1290 1070 900 690 Fan Motor Heating Speed SH H M L SL r min 1280 1050 980 920 1280 1050 980 920 Output of Fan Motor W 20 20 Fan Motor RLA A 0 10 0 10 Fan Motor Capacit...

Page 13: ...Volume of Outdoor Unit m3 h 1800 1800 Fan Type Axial flow Axial flow Fan Diameter mm Φ400 Φ400 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 2 5 Sound Pressure Level H M L dB A ...

Page 14: ...el of indoor unit FTXV50AV1B ATXV50AV1B Product Code CB141N00200_L08682 CB141N00200_L07769 Fan Type Cross flow Cross flow Diameter Length DXL mm Φ98X710 Φ98X710 Fan Motor Cooling Speed SH H M L SL r min 1350 1150 1050 900 1350 1150 1050 900 Fan Motor Heating Speed SH H M L SL r min 1420 1250 1150 1050 1420 1250 1150 1050 Output of Fan Motor W 20 20 Fan Motor RLA A 0 25 0 25 Fan Motor Capacitor μF ...

Page 15: ...ed rpm 750 750 Output of Fan Motor W 60 60 Fan Motor RLA A 0 28 0 28 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 3200 3200 Fan Type Axial flow Axial flow Fan Diameter mm Φ520 Φ520 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permi...

Page 16: ... of indoor unit FTXV60AV1B ATXV60AV1B Product Code CB141N00100_L08682 CB141N00100_L07769 Fan Type Cross flow Cross flow Diameter Length DXL mm Φ100X765 Φ100X765 Fan Motor Cooling Speed SH H M L SL r min 1350 1150 950 850 1350 1150 950 850 Fan Motor Heating Speed SH H M L SL r min 1400 1200 1000 900 1400 1200 1000 900 Output of Fan Motor W 35 35 Fan Motor RLA A 0 31 0 31 Fan Motor Capacitor μF 2 5 ...

Page 17: ...ed rpm 800 800 Output of Fan Motor W 92 92 Fan Motor RLA A 0 62 0 62 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 4000 4000 Fan Type Axial flow Axial flow Fan Diameter mm Φ552 Φ552 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permi...

Page 18: ...llation Dimension Part 2 Part Outline and Installation Dimension 1 Part Name 11 2 Outline and Installation Dimension 12 2 1 Outline and Installation Dimensions of Indoor Unit 12 2 2 Outline and Installation Dimensions of Outdoor Unit 13 ...

Page 19: ...Name SLEEP TIMER LIGHT X FAN MODE SAVE FAN SWING ON OFF TURBO air inlet panel filter aux button horizontal louver air outlet display remote controller heating indicator receiver window power indicator cooling indicator Indoor Unit air inlet handle air outlet Outdoor Unit ...

Page 20: ... 2 1 Outline and Installation Dimensions of Indoor Unit Tube exit Air inlet Rear View Right Left Ceiling Wall Mounting Plate Over 15 cm Over15cm Over 15 cm W D H S R Q 18 Class 09 12 Class 24 Class Model W H D Q R S 25 35 Class 848 274 189 130 542 173 50 Class 940 298 200 52 694 194 60 Class 1007 315 219 138 685 184 Unit mm ...

Page 21: ...tallation Dimensions of Outdoor Unit 2 2 1 25 35 Class 257 320 776 540 712 510 286 Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstruction Space to the obstruction At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm Wrench Nut Bolt Unit mm ...

Page 22: ...ension 14 2 2 2 50 Class 965 892 700 396 341 368 560 Unit mm Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstruction Space to the obstruction At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm Wrench Bolt Nut ...

Page 23: ...ension 15 2 2 3 60 Class 427 1000 920 610 370 790 395 Unit mm Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstructio Space to the obstruction At least 50cm At least 30cm At least 30cm At least 200cm At least 50cm Wrench Nut Bolt ...

Page 24: ...ted Circuit Board Connector Wiring Diagram Part 3 Printed Circuit Board Connector Wiring Diagram 1 Printed Circuit Board Connector Wiring Diagram 17 1 1 F A TXV25AV1B F A TXV35AV1B 17 1 2 F A TXV50AV1B F A TXV60AV1B 20 ...

Page 25: ...TUBE 17 DISP 18 4V 19 OFAN 20 CN1 Communication interface Interface of outdoor live wire Interface of indoor live wire Fan capacitor Interface of outdoor live wire Neutral Wire Neutral Wire of Health Function Control interface of PG motor Auto button Interface of fan feedback Up down swing Left Right Air Swing Interface Jumper cap Humidity test interface Interface of ambient temperature sensor Int...

Page 26: ...ted Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram COM OUT AC L CF1 AIR N N2 PG SW1 PGF SWING UD SWING LR JUMP HUMID ROOM TUBE DISP L OUT PCB Detail PCB F A TXV25AV1B F A TXV35AV1B ...

Page 27: ...SiK011003 19 Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram PCB Detail PCB RXV25AV1B RXV35AV1B ARXV25AV1B ARXV35AV1B 4V OFAN CN1 COMP TUPE ...

Page 28: ...n neutral wire Power supply interface of outdoor live wire Interface of indoor live wire Neutral wire Fuse Interface of PG motor Interface of health function live wire Interface of IDU and ODU communication Auto button Up down swing Feedback interface of PG motor Display interface Jumper cap Interface of ambient temperature sensor Interface of tube temperature sensor Terminal of compressor wire Te...

Page 29: ...nted Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram HEALTH N L OUT AC L N FUSE1 PG HEALTH L COM OUT KEY SWING UD PGF DISP JUMP ROOM TUBE PCB Detail PCB F A TXV50AV1B F A TXV60AV1B ...

Page 30: ...SiK011003 22 Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram PCB Detail PCB RXV50AV1B RXV60AV1B ARXV50AV1B ARXV60AV1B COMP OVC COMP FA OFAN 4V N INDC ...

Page 31: ...SiK011003 23 Function and Control Part 4 Function and Control 1 Function and Control 24 1 1 F A TXV25AV1B F A TXV35AV1B 24 1 2 F A TXV50AV1B F A TTXV60AV1B 28 ...

Page 32: ...urrent is too high the compressor will stop the outdoor fan will delay 30 seconds to stop indoor unit will display E5 and outdoor yellow light will blink 5 times Antifreezing protection When the antifreezing protection is detected the compressor will stop the outdoor fan will stop after 30 seconds and the indoor fan and swing motor will keep running in the original mode When antifreezing protectio...

Page 33: ...door Unit 7min 3min Set fan speed Run Stop 1 1 3 Dehumidifying Mode Working conditions and process of dehumidifying If T amb T preset the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will operate and the indoor fan will run at low speed If T preset 2 T amb Tpreset the compressor remains at its original operation state If T amb Tpreset 2 the compre...

Page 34: ...gh timer has been set the unit still can be turned on off by pressing ON OFF button of the remote controller You can also reset the timer If timer ON and timer OFF are set at the same time during ON status the unit will keep running at current status When OFF time reach es the unit will stop operation Then upon ON time reaches the unit will start operation automatically The unit will operate circu...

Page 35: ...vely within 5s and the complete unit will enter into compulsory defrosting status Meanwhile heating indicator on indoor unit will ON 10s and OFF 0 5s successively Note If complete unit has malfunction or stops operation due to protection compulsory defrosting function can be started up after malfunction or protection is resumed Exit compulsory defrosting mode After compulsory defrosting is started...

Page 36: ...ode switchover When Tamb 26 the unit runs in cooling mode in this case the factory default set temperature is 25 For cooling and heating model when Tamb 22 the unit runs in heating mode in this case the factory default set temperature is 20 For cooling only model when Tamb 22 the unit runs in fan mode in this case the factory default set temperature is 25 When 22 Tamb 26 the unit will run in fan m...

Page 37: ...ns See function protection of this section 1 2 2 4 Fan mode Fan conditions and process In this mode IDU fan motor runs at set speed while the compressor and ODU fan motor stop operation The 4 way valve is de energized Temperature setting range is 16 30 The indoor unit displays operation icon and set temperature Protection functions See function protection of this section 1 2 2 5 Heating mode Heati...

Page 38: ...once started the compressor won t stop within 7 mins note including stop operation when reaching the temperature point not including malfunction protection turning off the unit by remote controller or switching modes in which stopping operation of compressor is needed In each mode once stopped the compressor won t start again within 3 mins if the unit is with memory function the compressor can be ...

Page 39: ... degree 1 2 3 4 Turbo function This function can be set in cooling or heating mode When turbo function is set the system will operate in the highest fan speed 1 2 3 5 X FAN function This function can be set in cooling or dry mode When X FAN function is set fan motor will run for a while and then stop operation after the unit is turned off During X FAN operation press X FAN button on remote control...

Page 40: ...efrigerant recycling function applicable when changing installation location or in maintenance Enter refrigerant recycling function Within 5min after energizing unit ON or OFF status is ok continuously press LIGHT button for 3 times within 3s to enter refrigerant recycling mode Fo is displayed and refrigerant recycling function is started At this moment the maintenance people closes liquid valve A...

Page 41: ...SiK011003 33 Operation Manual Part 5 Operation Manual 1 System Configuration 34 2 Operation Manual 35 2 1 Operation of Wireless Remote Control 35 ...

Page 42: ... method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work and handing over o...

Page 43: ...ditioner At OFF status display screen on remote controller displays set temperature At on status display screen on remote controller displays the corresponding startup function s icon 2 Operation Manual 2 1 Operation of Wireless Remote Control 2 1 1 Names and Functions of Wireless Remote Control Buttons on remote controller Introduction to icons on display screen ON OFF button MODE button button F...

Page 44: ...on can t operate at the same time If energy saving function has been set under cooling mode press sleep button will cancel energy saving function If sleep function has been set under cooling mode start up the energy saving function will cancel sleep function Note Under auto speed air conditioner will adjust the fan speed high medium or low speed according to ambient temperature Low speed under dry...

Page 45: ... will flash three times while remote controller won t send signal 2 1 2 2 Switchover function for temperature display After turning off the unit by remote controller press button and MODE button simultaneously to switch between Cand F 2 1 3 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of battery box along the arrow direction 2 1 3 2 Replace...

Page 46: ...SiK011003 38 Troubleshooting Part 6 Troubleshooting 1 Troubleshooting 39 1 1 Malfunction Display 39 1 2 Common Section 61 ...

Page 47: ...formation 1 When the following phenomenon occurs please turn off the air conditioner and disconnect power immediately and please then refer to next troubleshooting pages Power cord is overheating or damaged There s abnormal sound during operation Earth leakage circuit breaker trips frequently Air conditioner gives off burning smell Indoor unit is leaking 2 Repair or refit of the air conditioner sh...

Page 48: ...nt protection OFF 3S and blink 5 times OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty 6 Communi cation Malfunction OFF 3S and blink Always 6 ON times During cooling operation compressor st...

Page 49: ...r ambient temperature sensor is open short circuited OFF 3S and blink 3 times OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 15 Outdoor c...

Page 50: ...rd XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 22 Voltage of DC bus bar is too low OFF 3S and blink 21 times OFF 1S and blink 12 times During cool...

Page 51: ...analysis of capacitor 29 Malfunction of module temperature sensor circuit OFF 3S and blink 18 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature protection OFF 3S and blink 19 times During cooling operation compressor will stop while indoor fan...

Page 52: ...l end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor OFF 3S and blink 7 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurr...

Page 53: ...table 46 Malfunction of complete units current detection OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 47 The four way valve is abnormal OFF 3S and blink...

Page 54: ...inds of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion Defrosting 54 OFF 3S and blink once during blinking ON 10s and OFF 0 5s OFF 0 5S and blink once OFF 1S and blink twice Defrosting will occur in heating mode Compressor will operate while indoor fan will stop ope...

Page 55: ...re short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfunction removed no yes yes no Malfunction Name Indicator Display during blinking ON 0 5s and OFF 0 5s O...

Page 56: ...the blade and motor correctly Is malfunction eliminated no no yes yes Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened no yes yes Is the motor started up no Is malfunction eliminated yes yes yes no yes Is malfunction eliminated Tighten the screw reassemble the blade motor and shaft bearing rubber b...

Page 57: ... the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same model Start Malfunction Name Indicator Display during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Protection of jumper...

Page 58: ...ly according to the wiring diagram Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Main board matches with display board Main board of IDU matches with that of ODU Match correctly according to product specification Connection of communication wire is damaged or not Replace the connection wire Replace the main board of IDU Replace the main boa...

Page 59: ...o crossing inspection circuit malfunction of the IDU fan motor OFF 3S and blink 17 times Start Turn power off for 1minute the turn back on Operation Indicator is still OFF 3S and blinking 17 times The unit returns to normal Conclusion Operation Indicator is OFF 3S and blink 17 times due to power off on while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defin...

Page 60: ...or running abnormally Is there abnormal sound or oil leakage is the temperature of the shell too high etc Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked Normal fluctuation should be within 10 of the rated voltage on the nameplate Malfunction is eliminated no yes no yes no yes no no no yes no yes no yes yes yes yes yes yes yes Malfunction is eliminated Malfunctio...

Page 61: ...30 Voltage higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor until the voltage is lower than 20V Check the connection of reactor and connection wire If the w...

Page 62: ...ng to copper pipe well ƽ If the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process N N Y N Y Y Y N N N N N Y Y Y Y Y Start Measure if the voltage input is within 180 265V with AC voltmeter see fig 30 The compressor is well connected with mainboard AP1 Heat exchanger is blocked with dirt Clean the heat exchanger to improve its performance Restart the unit Restart ...

Page 63: ... N N N Start If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If the airflow of indoor and outdoor unit is good Improve the radiating environment of unit clean the heat exchanger and remove surrounding obstacles If the indoor and outdoor fan are running normally Connect...

Page 64: ...fficient and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection situation of outdoor mainboard AP1 and compressor COMP and the connect it according to wiring diagram If the refrigerant charging amount is too much Does the unit start up normally Charge the refr...

Page 65: ...ve damaged ƽ If the refrigerant is leaked ƽ The compressor overload protection terminal is not connected well with the mainboard ƽ If the overload protector is damaged ƽ Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad ƽ Too much load of the system causes high temperature of compressor after working for a long time ƽ Malfunction of discharge temperatu...

Page 66: ... according to the service manual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger Too much load of the system causes high temperature of compressor after working for a long time decrea...

Page 67: ...ed well with the socket Connect the plug correctly Check the connection wire between reactor mainboard and situation of connection If there is short circuit or the connection wire is loose Reconnect the wire or replace the connection wire according to the wiring diagram Check the surface of reactor coil If it is damaged Replace the reactor Power on and restart the unit Power on and restart the uni...

Page 68: ... the unit operates normally before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detector Malfunction of outdoor communication circuit Replace outdoor mainboard AP1 Replace indoor mainboard AP2 Is the malfunction eliminated Is the malfunction eliminated End Check the connection wire a...

Page 69: ...er it is powered the buzzer will sound unless it has malfunction Check the voltage If it is lower than 10 of the rated voltage check the cause improve the power supply condition and add the sta bilized voltage power supply Measure insulation resistance to ground to see if there is any leakage The circuit or the part of the air conditioner has malfunction They heat and break the insula tion and lea...

Page 70: ...nproof plate If the maximum cool air still can not meet the requirement it is suggested to replace the air conditioner The installation position of the outdoor unit is not appropriate Fan rotation speed becomes low Block of outdoor heat exchanger Good ventilation must be provided for the installation position of the outdoor unit Capacitor or PCB damage Replace the capacitor or PCB To set the fan s...

Page 71: ...lf has malfunction The fan does not run when it is set to supply air The compres sor is too hot and leads to the action of the protector The indoor fan motor is burned or breaks or has the heat protector malfunction The built in heat protector of the motor breaks frequently because the motor is abnormal The fan capacitor has open circuit or is damaged Breakage of running capacitor of compressor Th...

Page 72: ...p and make it tight Water leakage Change the Main board Wire loose or wrong connection Correctly wire according to the drawing Improper setting of temperature Adjust setting temp Wrong connection The swing fan does not run In cool heat mode the outdoor unit and compres sor will not run Abnormal sound and shake The torque of the swing motor is not enough The Main board is damaged The Main board mal...

Page 73: ...003 65 Appendix Part 7 Appendix 1 Wiring Diagram 66 1 1 25 Class 66 1 2 35 Class 67 1 3 50 Class 68 1 4 60 Class 69 2 Exploded View and Parts List 70 2 1 Indoor Unit 70 2 2 Outdoor Unit 77 3 Piping diagram 84 ...

Page 74: ...PE CN1 CN3 BK BU BN BK BU YEGN YEGN YEGN YEGN YEGN BN BN BN BU BU BU BU BU RD RD YE YE TEM SENSOR OUTROOM EXHAUST TEM SENSOR L3 L2 L2 SAT RD W V U EKV CN1 L4 NOTE Motor applies to the iron shell motor ground only θ θ θ L OUT L1 L1 YEGN BN BK BU POWER N L BN YEGN BU BK N W4 YEGN COM OUT 3 2 N 1 BN BU XT1 PE M BN BROWN BU BLUE BK BLACK YEGN YELLOW GREEN DISPLAY AP1 DISP1 DISP 1 PGF PG AC L ROOM TUBE...

Page 75: ... ROOM TEM SENSOR CAP JUMP M RT2 RT1 θ θ EVAPORATOR 1 225 81 7 287 225 8 1 7 N 1 XT 3 2 BN N AC L PE U V W TUBE TEM SENSOR RT1 RT2 RT3 CN2 4V N1 AC L1 L FAN OFAN COMP COMP AC N1 PE M PE PE MID ISOLATION SHEET ELECTRIC BOX 4YV AC N2 AP1 AP2 AC L AC N L1 L2 E AC L3 AC L2 LX1 2 LX1 1 OVC COMP COM OUT L1 PE PE CN1 CN3 BK BU BN BK BU YEGN YEGN YEGN YEGN YEGN BN BN BN BU BU BU BU BU RD RD YE YE TEM SENSO...

Page 76: ...1B RXV50AV1B ATXV50AV1B ARXV50AV1B 1 225 81 7 5220 78 1 1 287 225 81 7 1 32 5 8 1 1 1 1 1 3 9 325 725 8 7 8 11 7 1 2 7 50 1 1 1 287 3 803 0 1 2 5 3 57 57 78 7 03 6 1625 5220 7 03 02725 67 33 1 0 6 1 8 6 1625 20 287 1 0 1 02725 3 3 63 3 63 2 5 5 9 5 1 L L ...

Page 77: ...1B RXV60AV1B ATXV60AV1B ARXV60AV1B 1 225 81 7 5220 78 1 1 1 32 5 8 1 1 1 1 1 3 9 325 725 8 7 8 11 7 1 2 7 50 1 1 1 287 3 803 0 1 2 5 3 57 57 78 7 03 6 1625 5220 7 03 02725 67 33 1 0 6 1 8 6 1625 20 287 1 0 1 02725 3 3 63 3 63 2 5 5 9 5 1 L L 287 225 81 7 ...

Page 78: ...0 Appendix Appendix 2 1 Indoor Unit 2 Exploded View and Parts List 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 24 26 27 28 29 30 31 32 33 34 35 36 37 FTXV25AV1B ATXV25AV1B FTXV35AV1B ATXV35AV1B ...

Page 79: ...0874 1 17 Wall Mounting Frame 01252021 01252021 1 18 Motor Press Plate 26112161 26112161 1 19 Cross Flow Fan 10352017 10352017 1 20 Evaporator Assy 01002424 01002424 1 21 Evaporator Support 24212091 24212091 1 22 O Gasket sub assy of Bearing 7651205102 7651205102 0 23 Ring of Bearing 26152022 26152022 1 24 Rubber Plug Water Tray 76712012 76712012 1 25 Remote Controller 30510537 30510537 1 26 Conne...

Page 80: ...0874 1 17 Wall Mounting Frame 01252021 01252021 1 18 Motor Press Plate 26112161 26112161 1 19 Cross Flow Fan 10352017 10352017 1 20 Evaporator Assy 01002953 01002953 1 21 Evaporator Support 24212091 24212091 1 22 O Gasket sub assy of Bearing 7651205102 7651205102 1 23 Ring of Bearing 26152022 26152022 1 24 Rubber Plug Water Tray 76712012 76712012 1 25 Remote Controller 30510537 30510537 1 26 Conne...

Page 81: ...SiK011003 73 Appendix Appendix 39 37 38 2 32 33 3 4 5 9 7 6 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 27 29 30 31 34 35 26 28 11 8 1 36 FTXV50AV1B ATXV50AV1B ...

Page 82: ...75 01002575 1 17 Wall Mounting Frame 01252218 01252218 1 18 Cross Flow Fan 10352019 10352019 1 19 Motor Press Plate 26112494 26112494 1 20 Fan Motor 15012146 15012146 1 21 Connecting pipe clamp 26112164 26112164 1 22 Drainage hose 05230014 05230014 1 23 Stepping Motor 15012086 15012086 1 24 Crank 10582070 10582070 1 25 Electric Box Assy 10000200234 10000200234 1 26 Electric Box 2011210801 20112108...

Page 83: ...SiK011003 75 Appendix Appendix 25 14 12 11 13 8 7 4 2 28 30 31 24 23 16 26 6 29 27 3 1 9 15 17 18 19 21 20 34 37 36 32 33 35 5 10 38 22 FTXV60AV1B ATXV60AV1B ...

Page 84: ...tor Press Plate 01002575 01002575 1 17 Fan Motor 01252218 01252218 1 18 Connecting pipe clamp 10352019 10352019 1 19 Drainage Hose 26112494 26112494 1 20 Stepping Motor 15012146 15012146 1 21 Crank 26112164 26112164 1 22 Display Board 05230014 05230014 1 23 Guide Louver 15012086 15012086 1 24 Axile Bush 10582070 10582070 1 25 Electric Box 10000200234 10000200234 1 26 Terminal Board 2011210801 2011...

Page 85: ...SiK011003 77 Appendix Appendix 2 2 Outdoor Unit RXV25AV1B ARXV25AV1B RXV35AV1B ARXV35AV1B ...

Page 86: ...ve 07100003 07100003 1 12 Big Handle 26233433 26233433 1 13 Cut off Valve 071302391 071302391 1 14 Valve Support 0171314201P 0171314201P 1 15 Right Side Plate Sub Assy 0130317801 0130317801 1 16 4 Way Valve Assy 03073151 03073151 1 17 Clapboard Sub Assy 0123338502 0123338502 1 18 Magnet Coil 4300040050 4300040050 1 19 Compressor and Fittings 00103896G 00103896G 1 20 Drainage Connecter 06123401 061...

Page 87: ...alve 07100003 07100003 1 12 Big Handle 26233433 26233433 1 13 Cut off Valve 071302391 071302391 1 14 Valve Support 0171314201P 0171314201P 1 15 Right Side Plate Sub Assy 0130317801 0130317801 1 16 4 Way Valve Assy 03073145 03073145 1 17 Clapboard Sub Assy 0123338502 0123338502 1 18 Magnet Coil 4300040050 4300040050 1 19 Compressor and Fittings 00103896G 00103896G 1 20 Drainage Connecter 06123401 0...

Page 88: ...SiK011003 80 Appendix Appendix 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 29 30 28 31 32 33 34 35 RXV50AV1B ARXV50AV1B ...

Page 89: ...er 22245002 22245002 1 15 Handle 26233053 26233053 1 16 Wiring Clamp 26115004 26115004 1 17 Rear Grill 22415002 22415002 1 18 Condenser Assy 01163865 01163865 1 19 Reactor 43130025 43130025 1 20 Clapboard Assy 01233153 01233153 1 21 Coping 01255005P 01255005P 1 22 Supporting Board Condenser 01795010 01795010 1 23 Motor Support Sub Assy 01705036 01705036 1 24 Fan Motor 1501506402 1501506402 1 25 Ax...

Page 90: ...SiK011003 82 Appendix Appendix RXV60AV1B ARXV60AV1B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 34 36 37 ...

Page 91: ...upport 01365435P 01365435P 1 16 Right Side Plate 0130504401P 0130504401P 1 17 Valve Cover 22245003 22245003 1 18 Big Handle 26235001 26235001 1 19 Wiring Clamp 26115004 26115004 1 20 Rear Grill 22415003 22415003 1 21 Condenser Assy 01163917 01163917 1 22 Reactor 43130025 43130025 1 23 Clapboard Assy 01233164 01233164 1 24 Condenser Support Plate 01175092 01175092 1 25 Coping 01255006P 01255006P 1 ...

Page 92: ...trainer Strainer Electron expansion valve Compressor Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Accumlator Compressor Strainer Strainer Capillary Connection pipe specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm 25 35 Class Gas pipe 1 2 12mm 50 Class Gas pipe 5 8 16mm 60 Cl...

Page 93: ...tions and warnings If you have any enquiries please contact your local importer distributor and or retailer 1 Air conditioners should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 If the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided If you need to install the outdoor unit close to the sea...

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