Daikin RKD50GVMV Service Manual Download Page 1 | Manualshive

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REMOVAL

PROCEDURE

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

5.0/6.0/7.1 kW Class

Outdoor Unit

Inverter

Pair Type

Si001270EB

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Summary of Contents for RKD50GVMV

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 5 0 6 0 7 1 kW Class Outdoor Unit Inverter Pair Type Si001270EB ...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zCooling Only zHeat Pump RKD50GVMV RXD50BVMV RKD60GVMV RXD60BVMV RKD71GVMV RXD71BVMV RKD50HVMV RXD50HVMV RKD60HVMV RXD60HVMV RKD71HVMV RXD71HVMV ...

Page 3: ...Fan Motor 4 3 PCBs Electrical Box 6 4 Reactor 11 5 Thermistors Sound Blankets 12 6 Four Way Valve 14 7 Electronic Expansion Valve 16 8 Compressor 18 Note The illustrations may be slightly different depending on the model The illustrations are for heat pump models as representative ...

Page 4: ... Points 1 Remove the 4 screws and lift the top panel The discharge grille has 4 hooks 2 Remove the 4 screws and remove the discharge grille 3 Remove the 6 screws of the front panel 4 Push the front panel and lift the shield plate to unfasten the hooks Top panel R17523 Discharge grille R2679 Front panel R2680 Shield plate R16560 2 Lift the shield plate upwards 1 Push the front panel ...

Page 5: ...t side hooks and then the right side hook 6 Remove the front panel 7 Remove the screw of the stop valve cover 8 Pull the stop valve cover downward to unfasten the 6 hooks and remove it Step Procedure Points R17719 Hook Hook R5252 Stop valve cover R17720 Hook Hook ...

Page 6: ...ng work Step Procedure Points 1 Remove the screw of the shield plate 2 Unfasten the 2 hooks and remove the shield plate 3 Release the 4 hooks of the electrical box cover and remove it 4 Disconnect the connector S70 S70 fan motor 5 The illustration shows arrangement of the fan motor lead wire R17721 Shield plate Hook Electrical box cover R2690 S70 R2692 Fan motor lead wire R2693 ...

Page 7: ... the lower screws first If the top screws are removed first the fan motor may tilt down or fall and cause injury because its center of gravity is shifted to the front 9 Then remove the 2 upper screws 10 Release the fan motor lead wire from the 2 hooks and pull the fan motor out Step Procedure Points R17525 Outdoor fan 10 mm 0 39 inch R18954 Fan motor R2696 R17736 When reassembling put the fan moto...

Page 8: ...ires 3 Remove the screw of the electrical box When reassembling insert the upper hook and the 2 lower hooks back into place 4 Remove the 3 screws of the right side panel 5 Remove the right side panel 2 Remove the service monitor PCB S52 S51 on main PCB S102 S101 on main PCB 1 Release the harness from the hook 2 Disconnect the connectors S52 S102 from the service monitor PCB 3 Remove the service mo...

Page 9: ...as below When reassembling the thermistor harness should be placed between the electrical box and the reactor harness as below 1 2 Remove the screw of the cable way board Unfasten the hook and open the cable way board 3 Disconnect the harnesses from the power supply PCB 4 Disconnect the connectors and pull out each clamp of the front side Step Procedure Points Cable way board R19340 R19338 Hook HE...

Page 10: ...en the 2 hooks and release the main PCB from the ditch of the front side 7 Disconnect the harnesses S10 AC2 while lifting the main PCB 8 Disconnect the connectors S51 S101 Step Procedure Points Main PCB Ditch R2709 S10 AC2 R17728 S10 AC2 terminal board R2711 S101 S51 S51 S101 service monitor PCB ...

Page 11: ...11 on SPM S33 S34 on MID S71 S72 on MID S91 radiation fin thermistor H1 H2 diode bridge 10 Remove the main PCB 4 Remove the electrical box 1 Disconnect the relay connector for the compressor 2 Release the clamp with pliers Step Procedure Points S91 S31 S71 S33 S32 R2712 H1 yellow H2 blue R16434 R16435 ...

Page 12: ...he 2 connectors for the reactor 4 Pull the clamp and draw the thermistor harness out from the back of the electrical box 5 Remove the screw of the electrical box 6 Lift up the electrical box and remove it Step Procedure Points R2716 R2717 R17729 Electrical box R16438 ...

Page 13: ...disassembling work Step Procedure Points 1 Release the clamp of the compressor harness with pliers 2 Remove the 2 screws of the partition plate 3 Lift up the partition plate and remove it The partition plate is fixed to the bottom frame with a hook 4 Remove the screw and remove the reactor R2722 Partition plate R2723 R7027 Hook R2726 Reactor ...

Page 14: ...arge pipe thermistor Be careful not to lose the fixture for the thermistor 2 Cut the 2 clamps and pull out the outdoor heat exchanger thermistor When reassembling tie the harnesses of electronic expansion valve coil and outdoor heat exchanger thermistor with a clamp as illustrated Some models have no lower clamp R18789 Fixture Discharge pipe thermistor R19202 R17730 Outdoor heat exchanger thermist...

Page 15: ...move the blanket carefully 4 Remove the sound blanket top upper 5 Remove the sound blanket top lower Some models have no sound blanket top lower 6 Remove the sound blanket body inner Since the piping ports on the sound blanket body inner are torn easily remove the blanket carefully Step Procedure Points Sound blanket body outer R17528 R17529 Sound blanket top upper R17530 Sound blanket top lower R...

Page 16: ...e 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 to pinch ...

Page 17: ... Four Way Valve Removal Procedure 15 Step Procedure Points 2 Heat up the brazed part of the four way valve and disconnect 3 4 Heat up every brazed part in turn and disconnect Remove the four way valve R2735 R2736 ...

Page 18: ...ed by heat Keep below 120 C 248 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 withdr...

Page 19: ...lectronic Expansion Valve Removal Procedure 17 2 Remove the sheets of putty 3 Heat up the 2 brazed parts of the electronic expansion valve and remove it Step Procedure Points R2738 R2739 Electronic expansion valve ...

Page 20: ...side the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C 248 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 ...

Page 21: ...es of the compressor U red V yellow W blue N brown 3 4 5 Remove the nut of the compressor Remove the putty of the accumulator Heat up the brazed part of the discharge side and disconnect it Step Procedure Points R16561 V W N U Compressor Accumulator Putty R17749 R17739 ...

Page 22: ...Compressor Si001270EB 20 Removal Procedure 6 7 Heat up the brazed part of the suction side and disconnect it Lift the compressor up and remove it Step Procedure Points R2745 ...

Page 23: ...Revision History Month Year Version Revised contents 09 2012 Si001270 First edition 08 2013 Si001270EA Model addition RXD50 60 71HVMV 04 2014 Si001270EB Model addition RKD50 60 71HVMV ...

Page 24: ...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 instructions a...

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