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Daikin MKM24PV2S Service Manual
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Daikin MKM24PV2S Service Manual

5.6/6.2/6.5/7.5/8.0/9.0 kw class, 24000/28000 btu/h class
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REMOVAL
PROCEDURE
S E R V I C E
5.6/6.2/6.5/7.5/8.0/9.0 kW Class
24000/28000 Btu/h Class
Outdoor Unit
Inverter / Hybrid
Multi Type
Si121561E
M A N U A L

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Summary of Contents for Daikin MKM24PV2S

  • Page 1 Si121561E REMOVAL PROCEDURE S E R V I C E M A N U A L 5.6/6.2/6.5/7.5/8.0/9.0 kW Class 24000/28000 Btu/h Class Outdoor Unit Inverter / Hybrid Multi Type...
  • Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump MKM24PV2S 2MXM56PVLT MKM28PV2S 2MXM75PVLT MKM65PV14 3MXM90PVLT MKM80PV14 MKM65PV1G MKM80PV1G MV62PV1G...

  • Page 3: Table Of Contents

    Si121561E Table of Contents 1. Outer Panels ...................2 2. Outdoor Fan / Fan Motor.................4 3. Rear Plate ASSY / Electrical Box............6 4. PCBs .....................11 5. Partition Plate / Sound Blankets............15 6. Electronic Expansion Valve Coil ASSY / Thermistor ASSYs ....18 7.

  • Page 4: Outer Panels

    Outer Panels Si121561E 1. Outer Panels Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the 6 screws Top panel and remove the top panel. (R22446) Remove the 5 screws The right side panel can be of the right side panel.
  • Page 5 Si121561E Outer Panels Step Procedure Points Remove the 6 screws of the front panel. Front panel (R22449) Unfasten the 3 hooks When reassembling, make on the left side. sure that the 3 hooks are securely fastened. Remove the front panel. Hook (R22450) Remove the 4 screws...

  • Page 6: Outdoor Fan / Fan Motor

    Outdoor Fan / Fan Motor Si121561E 2. Outdoor Fan / Fan Motor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the drip proof Drip proof cover cover.
  • Page 7 Si121561E Outdoor Fan / Fan Motor Step Procedure Points Remove the nut and Nut size : M8 remove the outdoor fan. 13 mm (0.51 inch) (R18965) When reassembling, align mark of the fan rotor D-cut with the D-cut section of the Outdoor fan motor shaft.

  • Page 8: Rear Plate Assy / Electrical Box

    Rear Plate ASSY / Electrical Box Si121561E 3. Rear Plate ASSY / Electrical Box 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 rear plate The number of the terminal Terminal board ASSY.
  • Page 9 Si121561E Rear Plate ASSY / Electrical Box Step Procedure Points Unfasten the 2 hooks When reassembling, make and remove the rear sure that the 2 hooks are plate ASSY. securely fastened. Rear plate ASSY Hook (R22464) 2. Remove the electrical Be careful not to lose the clip box.
  • Page 10 Rear Plate ASSY / Electrical Box Si121561E Step Procedure Points Disconnect the [S20] (white): room A [S92] connector [S92] and 3 [S21] (red): room B [S22] connectors for [S22] (blue): room C electronic expansion [S92]: gas pipe thermistor [S21] valve coil. The 2-room models do not have [S22].
  • Page 11 Si121561E Rear Plate ASSY / Electrical Box Step Procedure Points Disconnect the relay connector for compressor. (R22470) Relay connector Pull out the 2 clamps. Clamp (R22471) Open the sound blanket Be careful not to lose the Sound blanket (top outer) (top outer) and detach fixture for the thermistor.
  • Page 12 Rear Plate ASSY / Electrical Box Si121561E Step Procedure Points Remove the 2 screws. (R22473) 10 Remove the electrical Electrical box box. (R22474) Removal Procedure...

  • Page 13: Pcbs

    Si121561E PCBs 4. PCBs 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 service Service monitor PCB cover monitor PCB. Remove the screw of the service monitor PCB cover.
  • Page 14 PCBs Si121561E Step Procedure Points Cut the clamp. Clamp (R22478) Unfasten the 4 Projection projections and remove the service monitor PCB. Service monitor PCB (R22479) Projection 2. Remove the terminal board mounting plate. Remove the earth / ground screw. Earth / ground screw (R22480) Removal Procedure...
  • Page 15 Si121561E PCBs Step Procedure Points Pull out the 4 clamps. Bottom view Clamp (R22481) Clamp Disconnect the [S90]: thermistors [S90] connector [S90] and the 3 terminals for power [HL1], [HN1], [S]: to terminal supply. board [HL1] [HN1] (R22482) Remove the 4 screws Terminal board of the terminal board mounting plate...
  • Page 16 PCBs Si121561E Step Procedure Points Slide the terminal board When reassembling, make mounting plate up to sure to fasten the hook with unfasten the hook and the notch. remove it. Hook Terminal board mounting plate (R22484) 3. Remove the main PCB. Remove the 9 screws.

  • Page 17: Partition Plate / Sound Blankets

    Si121561E Partition Plate / Sound Blankets 5. Partition Plate / Sound Blankets 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 When reassembling, fit the plate.
  • Page 18 Partition Plate / Sound Blankets Si121561E Step Procedure Points Remove the sound Since the piping ports are blanket (outer). torn easily, remove the sound blanket carefully. (R22491) Sound blanket (outer) Remove the sound When reassembling, put the blanket (top inner (1)). sound blanket (top inner (1)) and sound blanket (top inner (2)) as the position below.
  • Page 19 Si121561E Partition Plate / Sound Blankets Step Procedure Points Remove the sound blanket (inner). (R22495) Sound blanket (inner) Remove the sound Some models do not have blanket (bottom). the sound blanket (bottom). Sound blanket (bottom) (R22496) Removal Procedure...

  • Page 20: Electronic Expansion Valve Coil Assy / Thermistor Assys

    Electronic Expansion Valve Coil ASSY / Thermistor ASSYs Si121561E 6. Electronic Expansion Valve Coil ASSY / Thermistor ASSYs Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
  • Page 21 Si121561E Electronic Expansion Valve Coil ASSY / Thermistor ASSYs Step Procedure Points Pull out the electronic The number of the electronic expansion valve coils. expansion valve coils varies depending on the models. Remove the electronic expansion valve coil ASSY. Electronic expansion valve coil (R22498)
  • Page 22 Electronic Expansion Valve Coil ASSY / Thermistor ASSYs Si121561E Step Procedure Points 3. Remove the gas pipe The number of the gas pipe thermistor ASSY. thermistors varies depending on the models. Cut the heat resistant clamp and pull out the Be careful not to lose the clip gas pipe thermistors.

  • Page 23: Four Way Valve

    Si121561E Four Way Valve 7. Four Way Valve Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
  • Page 24 Four Way Valve Si121561E Step Procedure Points Remove the terminal cover. Terminal cover (R22503) Remove the protection Protection bushing Overload U (red) bushing. protector Disconnect the compressor lead wires and the overload protector. V (yellow) W (blue) (R22504) Remove the putty. Four way valve Putty Heat up the 4 brazed...

  • Page 25: Compressor

    Si121561E Compressor 8. Compressor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
  • Page 26 Compressor Si121561E Step Procedure Points Remove the protection Protection bushing Overload U (red) bushing. protector Disconnect the compressor lead wires and the overload protector. V (yellow) W (blue) (R22504) Remove the 2 sheets of Brazed part of Brazed part of the putty.
  • Page 27 Revision History Month / Year Version Revised contents 10 / 2015 Si121561E First edition...
  • Page 28 Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. Use only those parts and accessories 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.

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