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Summary of Contents for Daikin 5MKS100LSG
- Page 1 Si121293EC REMOVAL PROCEDURE S E R V I C E M A N U A L 9.0/9.5/10.0/10.5/11.0 kW Class 32000/36000/38000 Btu/h Class Outdoor Unit Inverter Multi Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump 5MKS100LSG 4MXM110PVLT 5MKS100LVMA 5MXS100LVMA 5MKS100LVMA9 5MXS100LVMA9 5MKS110LVM 5MXS110LVM MKM95PV14 5MXS38PMVM MKM105PV14 MKM95PV1G MKM105PV1G MKM32PV2S MKM36PV2S MKM95PVM MKM105PVM MKS90QVMG...
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Page 3: Table Of Contents
Si121293EC Table of Contents 1. Outer Panels ...................2 2. Outdoor Fan / Fan Motor.................4 3. Electrical Box ..................6 4. PCBs .....................11 5. Coils / Thermistors ................16 6. Sound Blankets ..................18 7. Four Way Valve..................19 8. Compressor...................21 Note: The illustrations may be slightly different depending on the model. The illustrations are for heat pump models as representative. -
Page 4: Outer Panels
Outer Panels Si121293EC 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 Unfasten the 3 hooks at The hooks are secured in the upper first, and then the clearances of the 3 hooks at the middle. - Page 5 Si121293EC Outer Panels Step Procedure Points Remove the 4 screws on the discharge grille. Discharge grille (R18086) Slide the discharge grille upward and unfasten the 4 hooks. Remove the discharge grille. Hook (R17953) Remove the 7 screws, You can remove the front and then the front panel panel (1) without removing (1).
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Page 6: Outdoor Fan / Fan Motor
Outdoor Fan / Fan Motor Si121293EC 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 1. Remove the outdoor fan. Clamp Detach the clamp for the fan motor lead wire. - Page 7 Si121293EC Outdoor Fan / Fan Motor Step Procedure Points 2. Remove the fan motor. Fan motor fixing frame Remove the 2 screws, and then the fan motor fixing frame. (R17958) Cut the 2 clamps. (R17959) Remove the 4 screws, and then the fan motor. Fan motor Rubber cushion...
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Page 8: Electrical Box
Electrical Box Si121293EC 3. 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. Disconnect the 4-room models have no connecting wires. connector for room E. Remove the 2 screws and disconnect the power supply wire. - Page 9 Si121293EC Electrical Box Step Procedure Points 2. Remove the rear panel. When reassembling, be sure Rear panel to insert the 2 hooks into the Remove the 6 screws. holes on the stop valve mounting plate. Slide the rear panel upward to unfasten the 2 hooks.
- Page 10 Electrical Box Si121293EC Step Procedure Points 3. Remove the electrical Clamp box. Detach the clamp of the fan motor lead wire. (R22548) Disconnect the [S70]: fan motor Hook connector [S70]. When reassembling, put the [S70] Release the fan motor fan motor lead wire through lead wire from the 3 the back of the fan motor so hooks.
- Page 11 Si121293EC Electrical Box Step Procedure Points Disconnect the [S92]: gas pipe thermistors [S92] [S93] connectors [S92] and [S93]: liquid pipe thermistors [S93]. (R17972) Disconnect the [S80]: four way valve coil [S90] [S80] connector [S80] and pull out the clamp. The cooling only models have no harness for [S80].
- Page 12 Electrical Box Si121293EC Step Procedure Points Disconnect the [S40]: overload protector [S40] connector [S40]. Disconnect the relay connector for the compressor. Relay connector (R18094) for the compressor Remove the 2 screws. Electrical box Slide the electrical box to the left and remove it. (R17977) Removal Procedure...
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Page 13: Pcbs
Si121293EC 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 Electrical box cover monitor PCB. Unfasten the 4 hooks and remove the electrical box cover. - Page 14 PCBs Si121293EC Step Procedure Points Pass the harnesses through the hole on the terminal board. Terminal board (R17981) Disconnect the [S]: terminal board connector [S]. (R17982) Disconnect the 2 lower Terminal upper lower connectors (a) and (b) black black of the room B. white white Remove the terminal...
- Page 15 Si121293EC PCBs Step Procedure Points 3. Remove the control PCB. [HL402]: blue [S411] [S401] [HN402]: white Disconnect the connectors [HL402] and [DCP2]: purple [HN402] from the [DCM2]: brown inverter PCB. [S401]: Disconnect the [DCP2] for [S202] on control PCB connectors [DCP2] and [S411]: [DCM2].
- Page 16 PCBs Si121293EC Step Procedure Points Remove the 2 screws and unfasten the 4 Hook hooks. Hook (R18100) Lift up and remove the control PCB. Control PCB (R17987) 4. Remove the inverter PCB. Disconnect the connectors of the compressor harness [U], [V] and [W]. (R17988) Removal Procedure...
- Page 17 Si121293EC PCBs Step Procedure Points The screw marked with ★ is Remove the 8 screws. Hook larger than the others. Unfasten the hook and (M4 × 16) remove the inverter PCB. (R18101) Inverter PCB (R17990) Removal Procedure...
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Page 18: Coils / Thermistors
Coils / Thermistors Si121293EC 5. Coils / 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 electronic The number of electronic expansion valve coils. expansion valve coils and thermistors varies depending Cut the 3 clamps. - Page 19 Si121293EC Coils / Thermistors Step Procedure Points Peel off the putty and Be careful not to lose the pull out the liquid pipe fixtures for the thermistors. thermistors. Putty Liquid pipe thermistor (R17994) Cut the 2 clamps and Be careful not to lose the clip pull out the outdoor for the thermistor.
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Page 20: Sound Blankets
Sound Blankets Si121293EC 6. Sound Blankets Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Pull out the clamp of the Partition plate compressor harness from the partition plate. Remove the 4 screws, and then the partition plate. -
Page 21: Four Way Valve
Si121293EC 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 22 Four Way Valve Si121293EC Step Procedure Points Remove the terminal cover. Terminal cover (R18010) Unfasten the hook with Hook Overload protector a flat screwdriver and remove the overload protector. (R24005) Disconnect the U: red Compressor harness Bushing for lead wire terminals of the V: yellow compressor harness.
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Page 23: Compressor
Si121293EC 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 24 Compressor Si121293EC Step Procedure Points Remove the 3 nuts of the compressor. Remove the putty. Putty (R18105) Heat up the brazed part Brazed part of the Brazed part of the of the discharge side discharge side pipe suction side pipe pipe and disconnect it.
- Page 25 Revision History Month / Year Version Revised contents 11 / 2012 Si121293 First edition 08 / 2014 Si121293EA Model addition: 5MK(X)S100LVMA9 10 / 2015 Si121293EB Model addition: MKM95/105PV14, MKM95/105PV1G, MKM32/36PV2S, 4MXM110PVLT 09 / 2016 Si121293EC Model addition: MKM95/105PVM, MKS90QVMG, 5MXS38PMVM...
- Page 26 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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