Daikin ARXS50G3V1B User Manual Download | Manualshive

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REMOVAL

PROCEDURE

S E R V I C E M A N U A L

4.0/4.5/5.0/6.0 kW Class
18000 Btu/h Class

Outdoor Unit

Inverter

Pair Type

Si001274EC

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Summary of Contents for ARXS50G3V1B

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 4 0 4 5 5 0 6 0 kW Class 18000 Btu h Class Outdoor Unit Inverter Pair Type Si001274EC ...

Page 2: ...T RKS40MVLT RKS50MVLT RXS45LAVMA RKS50J2V1B9 RXS50JAVLT RKS60F3V1B9 RXS60JAVLT RKS50GVM4 ARXS50G3V1B RKS60GVM4 RX50G2V1B9 RX60G2V1B9 RKS50GVMV RX50G3V1B RKS60GVMV RX60G3V1B RKS50HVM RXG50K3V1B RKS60HVM RXG50L2V1B RKS50JAVLT RXS50J2V1B9 RKS60JAVLT RXS50K2V1B RXS60F3V1B9 RKS50JVMG RXS60F4V1B RKS60JVMG ...

Page 3: ...or Fan Fan Motor 4 3 Electrical Box 6 4 PCBs 13 5 Sound Blankets Thermistors 19 6 Four Way Valve Electronic Expansion Valve 21 7 Compressor 24 Note The illustrations may be slightly different depending on the model The illustrations are for heat pump models as representative ...

Page 4: ...crews and remove the top panel Remove the 4 screws and remove the discharge grille Take care not to cut your finger by the fins of the outdoor heat exchanger Slide the discharge grille upward and remove it The discharge grille has 4 hooks Some models have only 2 hooks 3 Remove the 6 screws of the front panel 4 Unfasten the 2 right side hooks Top panel Discharge grille R18713 R16756 Front panel R16...

Page 5: ... front panel When reassembling fit the 3 left side hooks of the front panel first 6 Remove the screw of the stop valve cover 7 Pull down the stop valve cover to unfasten the hooks and remove it The stop valve cover has 6 hooks Step Procedure Points R16760 Stop valve cover R16761 R16762 R16763 ...

Page 6: ...motor 3 4 Release the clamp from the partition plate Release the fan motor lead wire from the groove and the 2 hooks of the partition plate The ferrite core of the fan motor lead wire has a clamp 5 Remove the nut and remove the outdoor fan Nut size M6 When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft Shield plate R16785 R16951 S70 Ferrite core Partition ...

Page 7: ... frame When reassembling fit the lower 2 hooks into the bottom frame 9 Open the hook and release the fan motor lead wire When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 10 Remove the 4 screws and remove the fan motor Step Procedure Points Fan motor fixing frame R16953 R16790 R16954 Hook R3249 Lead wire Outdoor fan Fan m...

Page 8: ...Step Procedure Points 1 Remove the 2 screws and remove the protection plate 2 Remove the 3 screws and remove the wire fixture 3 Remove the 7 screws and remove the connecting wire and the power supply wire 4 Remove the 2 screws and remove the earth ground wire R18902 Protection plate 1 2 3 Wire fixture R18661 R16914 Power supply wire Connecting wire R18957 Earth ground wire ...

Page 9: ...tor 6 Remove the 4 screws of the right side panel 7 Unfasten the 3 hooks and remove the right side panel When reassembling insert the upper hook and the 2 lower hooks back into place Step Procedure Points R16794 Outdoor temperature thermistor Right side panel R18903 Hook R16823 Hook R16824 ...

Page 10: ...he model Be careful not to lose the clip for the thermistor 10 Disconnect the connector S70 S70 fan motor 11 12 Release the clamp from the partition plate Release the fan motor lead wire from the groove and the 2 hooks of the partition plate The ferrite core of the fan motor lead wire has a clamp Step Procedure Points R16766 Outdoor heat exchanger thermistor R16819 Clip R3264 R16951 S70 Ferrite co...

Page 11: ...he connector S40 S40 overload protector 14 Pull out the clamp 15 16 Disconnect the connector S20 Pull out the clamp S20 electronic expansion valve coil 17 Pull out the clamp under the electrical box Step Procedure Points S40 R16782 R16803 R18904 S20 Clamp R16767 ...

Page 12: ... only models have no harness for S80 When reassembling insert the clamps of harnesses as below 20 Pull out the clamp When reassembling connect the connectors in the following order 1 S80 2 S20 3 S40 4 S70 21 Disconnect the relay connector for the compressor Step Procedure Points Wire saddle R16800 R16801 S80 S40 S80 S20 R14363 R16802 R14312 ...

Page 13: ...ition plate 24 Disconnect the connector S90 S90 thermistors When reassembling pass the thermistor harness under the harnesses HL2 blue HN2 white from the filter PCB When reassembling insert the clamp as below 25 26 Pull out the clamp Remove the wire saddle Step Procedure Points R14313 R16950 R16806 S90 R16958 Thermistor harnesses Wire saddle R22532 ...

Page 14: ...e 2 clamps at the bottom of the electrical box When reassembling insert the 2 clamps into the bottom of the electrical box 28 Pull out the clamp at the back 29 Remove the screw and remove the electrical box Step Procedure Points R16768 R16769 R16749 R16770 R16771 ...

Page 15: ...bling work Step Procedure Points 1 Remove the main PCB S12 for HL4 HN4 on filter PCB 1 Disconnect the connector S12 and pull out the clamp 2 Disconnect the connector S10 S10 for S11 on filter PCB 3 Pull out the clamp When reassembling insert the clamp as below R16959 S12 Main PCB R16808 S10 R16775 R20195 For compressor harness red blue yellow ...

Page 16: ...er PCB HN3 for HN2 on filter PCB 5 Pull out the clamp When reassembling insert the clamp as below 6 7 Remove the 2 upper screws Remove the lower screw Screw size A M4 16 B M4 8 Step Procedure Points HN3 white HL3 blue R16809 R16810 R20196 For harnesses from HL2 blue and HN2 white R19541 A B A ...

Page 17: ...l Procedure 15 8 Lift the main PCB ASSY 9 Unfasten the 4 hooks at the bottom 10 11 Remove the 8 screws Unfasten the 2 hooks and remove the main PCB Step Procedure Points R16813 Main PCB ASSY R19536 Hook Hook Hook Hook R18663 ...

Page 18: ...the earth ground wire screw 2 Pull out the terminals from the terminal board Before pulling out the terminals confirm the terminal locations from the following patterns Pattern 1 1 black back 2 white back 3 red front Pattern 2 1 black front 2 white front 3 red front Step Procedure Points R19537 Electrical box R14334 Radiation fin R19504 Earth ground wire Terminal board R16815 1 2 3 ...

Page 19: ...Si001274EC PCBs Removal Procedure 17 3 Pull out the clamp 4 Release the harnesses from the groove 5 Remove the 2 screws Step Procedure Points R16816 R16817 R16818 ...

Page 20: ...1274EC 18 Removal Procedure 6 Unfasten the 3 hooks of the filter PCB ASSY 7 8 Remove the screw Unfasten the 2 hooks and remove the filter PCB Step Procedure Points R18905 Filter PCB ASSY R14367 R19538 Filter PCB ...

Page 21: ...ore disassembling work Step Procedure Points 1 Remove the 2 screws and remove the partition plate 2 Remove the sound blanket top upper The design of the sound blankets varies depending on the model 3 Remove the sound blanket top lower 4 Remove the sound blanket back R18907 Partition plate Sound blanket top upper R16962 Sound blanket top lower R16783 R11161 Sound blanket back ...

Page 22: ...n easily remove the sound blankets carefully 6 Remove the sound blanket inner 7 8 Release the discharge pipe thermistor Remove the thermistor ASSY Be careful not to lose the fixture for the thermistor Step Procedure Points R16776 Sound blanket outer Sound blanket inner R20197 R12286 Discharge pipe thermistor R18958 Fixture ...

Page 23: ...8 F For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the brazed part Do not use a metal saw for cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not...

Page 24: ...Heat up the brazed part of the four way valve and disconnect 3 Heat up every brazed parts in turn and remove the four way valve 2 Remove the electronic expansion valve 1 Pull out the electronic expansion valve coil Step Procedure Points R18908 Putty R19542 R16751 Electronic expansion valve coil ...

Page 25: ...ve Electronic Expansion Valve Removal Procedure 23 2 Remove the sheets of putty 3 Heat up the 2 brazed parts of the electronic expansion valve and remove it Step Procedure Points R18909 Putty R22542 Electronic expansion valve ...

Page 26: ...ing Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the brazed part Do not use a metal saw for cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so t...

Page 27: ...utty 5 Remove the 2 nuts of the compressor 6 Heat up the brazed part of the discharge side and disconnect it 7 8 Heat up the brazed part of the suction side and disconnect it Lift up the compressor and remove it Step Procedure Points R16963 R10257 R5308 R5309 ...

Page 28: ...ed contents 04 2013 Si001274 First edition 11 2013 Si001274EA Model addition RKS50 60GVM4 RKS50 60GVMV 03 2014 Si001274EB Model addition RXG50L2V1B 09 2015 Si001274EC Model addition RKS50J2V1B9 RKS60F3V1B9 RX50 60G2V1B9 RXS50J2V1B9 RXS60F3V1B9 ...

Page 29: ...ies supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion z Read the user s manual carefully before using this product The user s manual provides important safety instructio...

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