Daikin 3MKS58EVMA User Manual Download | Manualshive

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REMOVAL

PROCEDURE

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

4.0/5.0/5.2/5.8/6.8/7.5 kW Class

Outdoor Unit

Inverter

Multi Type

Si121174

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Summary of Contents for 3MKS58EVMA

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 4 0 5 0 5 2 5 8 6 8 7 5 kW Class Outdoor Unit Inverter Multi Type Si121174 ...

Page 2: ...e Manual Removal Procedure Outdoor Unit Applicable Models zCooling Only zHeat Pump 3MKS50E3V1B 3MXS40K2V1B 3MKS58EVMA 3MXS52E3V1B 3MKS58KVM 3MXS52EVMA 4MKS58E3V1B 3MXS52KVM 4MKS75F2V1B 3MXS68G2V1B 4MXS68F2V1B ...

Page 3: ...14 4 Removal of Outdoor Fan Fan Motor 19 5 Removal of Sound Blankets 21 6 Removal of Coils Thermistors 25 7 Removal of Distributor 28 8 Removal of Four Way Valve 29 9 Removal of Compressor 30 Note The illustrations may be slightly different depending on the model The illustrations are for heat pump models as representative ...

Page 4: ... Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the heat exchanger 2 Remove the 4 screws 2 on both sides of the top panel R5494 R12898 Top panel R12899 ...

Page 5: ...Remove the screw of the shield plate 5 Slide the shield plate to the left to unfasten the hooks and remove the shield plate 6 Unfasten the upper 2 hooks Align the position of hole of the upper hook to pull the front panel out Step Procedure Points Front panel R17165 Shield plate R11204 R5499 R5500 ...

Page 6: ...174 4 Removal Procedure 7 Lift the front panel up to unfasten the left side hooks The front panel has 3 hooks on the left 8 Unfasten the right side hook and remove the front panel Step Procedure Points R5501 Hook R12901 R5503 Hook ...

Page 7: ...he 4 screws of the discharge grille 10 11 Remove the 2 screws of the stop valve cover Slide the stop valve cover downward and remove it When reassembling make sure to fit the 5 hooks Step Procedure Points Discharge grille R12902 R11206 Stop valve cover R5506 R5508 ...

Page 8: ...els as representative 4 room models also have D port 1 Layout of the connecting wires The wires are fixed to the terminal board with screws Connecting wires 1 Black Power supply 2 White Power supply 3 Red Transmission Power Supply wires L Black N White Electrical box Electronic expansion valve coil Service port A port B port C port R11175 Liquid pipe Liquid stop valve Gas stop valve Gas pipe R1117...

Page 9: ... box cover 4 Lift the electrical box cover up and remove it 5 Detach the clamp and disconnect the connector for the fan motor S70 When reassembling insert the clamp into the either hole as below Some models have no ferrite core for the harness of S70 Step Procedure Points R5512 Fixing tape R5513 R5514 R17166 S70 For the ferrite core of fan motor harness R17167 ...

Page 10: ...ansion valve coils S20 white room A S21 red room B S22 blue room C 4 room models also have S23 yellow for room D 8 Pull out the clamp When reassembling insert the clamp of the electronic expansion valve coil ASSY into either hole as below Step Procedure Points Fan motor lead wire R17168 R5518 R5519 S20 S21 S22 R5520 Electronic expansion valve coil R17170 ...

Page 11: ... for the overload protector S40 10 The wire harness for the compressor is attached to the partition plate by the clamp 11 Pull out the clamp with pliers 12 Disconnect the relay connector of the compressor Step Procedure Points R5521 S40 Clamp R12904 Partition plate Clamp R6423 R5522 ...

Page 12: ... Thermistors S92 Gas pipe thermistors S93 Liquid pipe thermistors When reassembling insert each clamp of the thermistor harnesses into the holes as below 14 Disconnect the connector for the four way valve coil S80 Step Procedure Points R5523 S90 S92 S93 R5524 R17169 S90 S92 S93 R5525 R5526 S80 ...

Page 13: ...the thermistor lead wire 2 Remove the electrical box 1 Remove the 2 screws of the earth wires 2 Remove the screws on the terminal board and disconnect all the connecting wires and power supply wire Step Procedure Points R5527 Thermistor lead wire R17257 Fixing position for the thermistor harness When reassembling insert the clamp into the small hole R11178 R11179 ...

Page 14: ...2 Removal Procedure 3 Remove the 2 screws and remove the wiring fixture 4 Detach the outdoor temperature thermistor 5 Remove the screw on the right side of the electrical box Step Procedure Points R11180 R11181 Wiring fixture R5533 R17258 ...

Page 15: ...Si121174 Removal of Electrical Box Removal Procedure 13 6 Remove the screw of the electrical box 7 Lift up and remove the electrical box Step Procedure Points R17259 R5536 ...

Page 16: ...g off all power supplies before disassembling work Step Procedure Points 1 Remove the service monitor PCB 1 External appearance 2 Remove the screw of the terminal board and open it 3 Disconnect the connectors S52 S102 from the service monitor PCB Service monitor PCB Terminal board R5537 R5538 R5539 R5540 Service monitor PCB S102 S52 ...

Page 17: ...e the main PCB AC1 AC2 for power supply S10 for transmission 1 Disconnect the connectors for the terminal board on the right side 2 Disconnect the 2 connectors for the reactor on the left side 3 Remove the 3 screws of the main PCB Step Procedure Points R5541 R5542 AC1 brown AC2 blue S10 R5543 R5544 HR2 HR1 Reactor Main PCB R5545 ...

Page 18: ...5 Release the relay harness for the compressor from the hook 6 Lift up the main PCB and remove it In working be careful not to break the main PCB with the excessive force because the main PCB and the radiation fin are adhered to one another Step Procedure Points R5547 R5548 R5549 R5550 Relay harness for compressor Earth wire ...

Page 19: ...ion fin When reassembling make sure to use the silicon grease Silicon grease Part No 1172698 8 Remove the 3 screws of the reactor Step Procedure Points S70 S40 S20 S51 S90 S92 S93 S21 S22 S23 S80 S101 S10 S15 R6963 Clamp for reactor harness R11207 R5553 Radiation fin Reactor R11208 ...

Page 20: ...dure 3 Remove the terminal board 1 Disconnect all the wire harnesses from the back of the terminal board 2 Unfasten the hook of the electrical box and remove the terminal board Step Procedure Points R12907 Terminal board back R5556 R5557 R5558 ...

Page 21: ... Remove the 2 screws of the fan motor fixing plate Preparation Remove the outer panels and plates Remove the electrical box 2 Remove the fan motor fixing plate When reassembling fit the lower hooks Nut size M6 When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft 3 Remove the nut and remove the outdoor fan Fan motor fixing plate R12908 R5561 R5564 10 mm R122...

Page 22: ...lease 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 5 Remove the 4 screws and remove the fan motor Step Procedure Points Hook R17261 R17262 Lead wire Outdoor fan R12215 R12913 Fan motor ...

Page 23: ...ll power supplies before disassembling work Step Procedure Points 1 Remove the right side panel Preparation Remove the outer panels and plates Remove the electrical box 1 Remove the 3 screws of the right side panel 2 Remove the 2 screws on the back 3 Remove the protection rubber There is a hook on the back R12915 Right side panel R5571 Protection rubber R5572 ...

Page 24: ...val Procedure 4 Lift up and remove the right side panel 2 Remove the partition plate 1 Remove the 2 screws of the partition plate 2 Detach the clamp of the relay harness for the compressor Step Procedure Points R5573 R5575 Partition plate R5576 ...

Page 25: ...ition plate 3 Remove the sound blankets Since the piping ports on the sound blanket are torn easily remove the blanket carefully The shape of the sound blankets differs depending on the model 1 Remove the sound blanket top upper 2 Remove the sound blanket top inner Step Procedure Points R5577 R5580 Sound blanket top upper R5579 R5582 Sound blanket top inner ...

Page 26: ...Sound Blankets Si121174 24 Removal Procedure 3 Open the sound blanket outer and pull it out 4 Open the sound blanket inner and pull it out Step Procedure Points Sound blanket outer R5583 R5584 Sound blanket inner ...

Page 27: ...s or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the electronic expansion valve coils 1 Pull out the electronic expansion valve coils 2 Remove the four way valve coil 1 Remove the screw to remove the four way valve coil Electronic expansion valve coil R5588 R5589 Four way valve coil ...

Page 28: ...iquid pipe thermistors 2 Pull out the gas pipe thermistors 3 Cut the clamp Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip The positions of the clamp and outdoor heat exchanger thermistor differ depending on the model Step Procedure Points Liquid pipe thermistor R11184 Gas pipe thermistor R5591 Outdoor heat exchanger thermistor R17171 Clamp Clip R5619 ...

Page 29: ...ipe thermistor When reassembling meet the edge of the thermistor and the fixture 5 Remove the assembly of thermistors Step Procedure Points R11185 Discharge pipe thermistor Clip Discharge pipe thermistor Outdoor heat exchanger thermistor Outdoor temperature thermistor Connector R5594 ...

Page 30: ...f the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the main unit with a tube cutter in order to make it ...

Page 31: ... the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconn...

Page 32: ...ure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Disconnect the compressor lead wires 3 Detach the overload protector R12914 Terminal cover V yellow U red W blue R5602 R12916 Overload protector R5604 ...

Page 33: ... wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the main unit with a tube cutter in order to make it easy to disconnect 4 Remove the putty 5 Remove the 2 nuts Before working make sure that the refrigerant gas is empty in the circuit Be sure to apply nitroge...

Page 34: ...Revision History Month Year Version Revised contents 08 2012 Si121174 First edition ...

Page 35: ...ories 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 instruct...

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