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Si001163EA

PCBs

Removal Procedure

17

4

Disconnect the 
connectors [HN3] and 
[HL3].

[HL3] [HN3]: filter PCB

5

Pull out the clamp.

„

When reassembling, make 
sure the clamp is securely 
fastened as shown below.

6

Remove the 2 upper 
screws.

Step

Procedure

Points

[HN3]: white

[HL3]: blue

(R16809)

(R16810)

(R24310)

Harnesses from [HL2] 
(blue) and [HN2] (white)

Top view

(R16811)

Summary of Contents for RKS46LVMA

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 3 5 4 5 4 6 5 0 6 0 kW Class 15000 18000 Btu h Class Outdoor Unit Inverter Pair Type Si001163EA...

Page 2: ...ervice Manual Removal Procedure Outdoor Unit zCooling Only zHeat Pump RKS46LVMA RXS15LVJU RKS50LVMA RXS18LVJU RKS60LVMA RXS46LVMA RXS50LVMA RXS60LVMA RXS35LAVMA RXS50LAVMA RXS35RV1A RXS45RV1A RXS50RV1...

Page 3: ...an Fan Motor 5 3 Electrical Box 8 4 PCBs 16 5 Sound Blankets Thermistors 23 6 Four Way Valve 26 7 Electronic Expansion Valve 28 8 Compressor 30 Note The illustrations may be slightly different dependi...

Page 4: ...ing work Step Procedure Points 1 Remove the 4 screws and then the top panel Take care not to cut your finger by the fins of the outdoor heat exchanger 2 Remove the 4 screws and then the discharge gril...

Page 5: ...Remove the 6 screws of the front panel 4 Unfasten the right side hooks 5 Unfasten the left side hooks and remove the front panel When reassembling fit the left side of the front panel first Step Proc...

Page 6: ...emove the screw of the stop valve cover 7 8 Pull down the stop valve cover to unfasten the hooks Remove the stop valve cover When reassembling make sure the 6 hooks are securely fastened Step Procedur...

Page 7: ...s before disassembling work Step Procedure Points 1 Remove the shield plate 2 Disconnect the connector S70 S70 fan motor 3 Release the clamp that fixes the fan motor lead wire s ferrite core to the pa...

Page 8: ...nd from the 2 hooks on the partition plate 5 Remove the nut of the outdoor fan Nut size M6 6 Remove the outdoor fan When reassembling align the mark of the outdoor fan with the D cut section of the mo...

Page 9: ...ks at the bottom Remove the fan motor fixing frame When reassembling make sure the 2 hooks are securely fastened 10 Open the hook and release the fan motor lead wire When reassembling make sure the ho...

Page 10: ...tion plate 3 4 Remove the 3 screws and then the wire fixture Remove the 7 screws and then the connecting wire and the power supply wire For U S models When reassembling pass the connecting wires throu...

Page 11: ...Remove the 4 screws of the right side panel 8 Unfasten the 3 hooks and remove the right side panel When reassembling make sure the upper hook and the 2 lower hooks are securely fastened Step Procedure...

Page 12: ...t the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor 11 Remove the clamp and then disconnect the connector S70 S70 fan motor Step Procedure Points R16766 Outdoor...

Page 13: ...ctor S40 S40 overload protector 13 Pull out the clamp 14 Remove the clamp and then disconnect the connector S20 S20 electronic expansion valve coil 15 Pull out the clamp at the bottom of the electrica...

Page 14: ...y models do not have the harness for S80 When reassembling insert the clamps of harnesses as shown below When reassembling connect the connectors in the following order 1 S80 2 S20 3 S40 4 S70 19 Disc...

Page 15: ...clamp When reassembling pass the thermistor harness under the harnesses HL2 blue HN2 white from the filter PCB When reassembling insert the clamp as shown below 23 Remove the harnesses from the left w...

Page 16: ...Box Si001163EA 14 Removal Procedure 24 Pull out the 3 clamps When reassembling make sure the 2 clamps are securely fastened to the bottom of the electrical box Step Procedure Points R16768 R16749 R16...

Page 17: ...Si001163EA Electrical Box Removal Procedure 15 25 Remove the screw of the electrical box 26 Remove the electrical box Step Procedure Points R16771 R16772 Electrical box...

Page 18: ...ork Step Procedure Points 1 Remove the main PCB S12 filter PCB 1 Disconnect the connector S12 and pull out the clamp 2 Disconnect the connector S10 S10 filter PCB 3 Pull out the clamp When reassemblin...

Page 19: ...3 and HL3 HL3 HN3 filter PCB 5 Pull out the clamp When reassembling make sure the clamp is securely fastened as shown below 6 Remove the 2 upper screws Step Procedure Points HN3 white HL3 blue R16809...

Page 20: ...PCBs Si001163EA 18 Removal Procedure 7 Remove the screw 8 Unfasten the 2 hooks at the bottom 9 Remove the main PCB ASSY Step Procedure Points R16812 R24311 Hook Bottom view R16813 Main PCB ASSY...

Page 21: ...ews 11 12 Unfasten the 2 hooks Remove the main PCB 2 Remove the radiation fin 1 Remove the 2 screws on the bottom of the electrical box 2 Remove the radiation fin Step Procedure Points R14330 Hook Mai...

Page 22: ...e the earth ground wire screw 2 Pull out the terminals from the terminal strip 1 black lower 2 white lower 3 red upper 3 Pull out the clamp 4 Release the harnesses from the groove Step Procedure Point...

Page 23: ...Si001163EA PCBs Removal Procedure 21 5 Remove the 2 screws 6 Unfasten the 3 hooks and remove the filter PCB ASSY 7 Remove the screw Step Procedure Points R16818 R16961 R14367 R14368...

Page 24: ...PCBs Si001163EA 22 Removal Procedure 8 Unfasten the 2 hooks 9 Remove the filter PCB Step Procedure Points R24384 Filter PCB R24385...

Page 25: ...3 5 Sound Blankets Thermistors Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the partition plate 1 Remove...

Page 26: ...ocedure 2 Remove the sound blankets 1 Remove the sound blanket top upper 2 Remove the sound blanket top lower 3 Remove the sound blanket back Step Procedure Points R16962 Sound blanket top upper Sound...

Page 27: ...inner 6 Release the discharge pipe thermistor Be careful not to lose the clip for the thermistor 7 Cut the clamp and pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for...

Page 28: ...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...

Page 29: ...alve Removal Procedure 27 2 3 Remove the putty Heat up the brazed part of the four way valve and disconnect 4 Heat up the 3 brazed parts in turn and disconnect the four way valve Step Procedure Points...

Page 30: ...ake 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 nitr...

Page 31: ...Electronic Expansion Valve Removal Procedure 29 2 Remove the putties 3 Heat up the 2 brazed parts of the electronic expansion valve and remove it Step Procedure Points R16752 Electronic expansion val...

Page 32: ...igerant gas Restore the piping by non oxidation brazing 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...

Page 33: ...EA Compressor Removal Procedure 31 2 Disconnect the lead wires U V W of the compressor 3 Remove the putty 4 Remove the 2 nuts of the compressor Step Procedure Points Red U Yellow V Blue W R16784 R1696...

Page 34: ...val Procedure 5 Heat up the brazed part of the discharge pipe side and disconnect it 6 7 Heat up the brazed part of the suction pipe side and disconnect it Lift the compressor up and remove it Step Pr...

Page 35: ...Revision History Month Year Version Revised contents 08 2012 Si001163 First edition 12 2016 Si001163EA Model addition RXS35 45 50RV1A...

Page 36: ...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 acces...

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