Si001274EC Table of Contents 1. Outer Panels ...................2 2. Outdoor Fan / Fan Motor.................4 3. Electrical Box ..................6 4. PCBs .....................13 5. Sound Blankets / Thermistors ...............19 6. Four Way Valve / Electronic Expansion Valve ........21 7. Compressor...................24 Note: The illustrations may be slightly different depending on the model. The illustrations are for heat pump models as representative.
Outer Panels Si001274EC 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 4 screws Take care not to cut your Top panel and remove the top finger by the fins of the panel.
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Si001274EC Outer Panels Step Procedure Points Unfasten the 3 left side When reassembling, fit the 3 hooks and remove the left side hooks of the front front panel. panel first. (R16760) Remove the screw of the stop valve cover. Stop valve cover (R16761) Pull down the stop valve cover to unfasten...
Outdoor Fan / Fan Motor Si001274EC 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 shield Shield plate plate. (R16785) Disconnect the [S70] : fan motor...
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Si001274EC Outdoor Fan / Fan Motor Step Procedure Points Remove the 2 screws Fan motor fixing frame of the fan motor fixing frame. (R16953) Pull up the fan motor When reassembling, fit the fixing frame to unfasten lower 2 hooks into the the 2 hooks at the bottom frame.
Electrical Box Si001274EC 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 Remove the 2 screws and remove the protection plate. Protection plate (R18902) Remove the 3 screws and remove the wire fixture.
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Si001274EC Electrical Box Step Procedure Points Pull out the outdoor Outdoor temperature temperature thermistor. thermistor (R16794) Remove the 4 screws of the right side panel. Right side panel (R18903) Unfasten the 3 hooks When reassembling, insert and remove the right the upper hook and the 2 Hook side panel.
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Electrical Box Si001274EC Step Procedure Points Cut the clamp. The position of the clamp varies depending on the model. (R16766) Pull out the outdoor The position of the outdoor heat exchanger heat exchanger thermistor Outdoor heat thermistor. varies depending on the exchanger model.
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Si001274EC Electrical Box Step Procedure Points 13 Disconnect the [S40]: overload protector connector [S40]. (R16782) 14 Pull out the clamp. (R16803) Disconnect the [S20]: electronic expansion [S20] connector [S20]. valve coil Pull out the clamp. (R18904) Clamp 17 Pull out the clamp under the electrical box.
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Electrical Box Si001274EC Step Procedure Points 18 Remove the wire saddle. Wire saddle (R16800) 19 Disconnect the [S80]: four way valve coil [S80] connector [S80]. The cooling only models have no harness for [S80]. When reassembling, insert the clamps of harnesses as below.
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Si001274EC Electrical Box Step Procedure Points 22 Release the harness of the relay connector from the wire saddle. (R14313) 23 Pull out the clamp from the partition plate. (R16950) 24 Disconnect the [S90]: thermistors [S90] connector [S90]. When reassembling, pass the thermistor harness under the harnesses (HL2: blue, HN2: white) from the filter...
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Electrical Box Si001274EC Step Procedure Points 27 Pull out the 2 clamps at When reassembling, insert the bottom of the the 2 clamps into the bottom electrical box. of the electrical box. (R16768) (R16749) (R16769) 28 Pull out the clamp at the back.
Si001274EC 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 main PCB. [S12]: for [HL4] [HN4] on filter Main PCB [S12] Disconnect the connector [S12] and pull out the clamp.
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PCBs Si001274EC Step Procedure Points Disconnect the [HL3]: for [HL2] on filter PCB [HL3]: blue connectors [HN3] [HN3]: for [HN2] on filter PCB [HN3]: white [HL3]. (R16809) Pull out the clamp. When reassembling, insert the clamp as below. (R16810) For harnesses from [HL2] (blue) and [HN2] (white) (R20196) Remove the 2 upper...
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Si001274EC PCBs Step Procedure Points Lift the main PCB Main PCB ASSY ASSY. (R16813) Unfasten the 4 hooks at Hook the bottom. Hook Hook (R19536) Remove the 8 screws. Unfasten the 2 hooks Hook and remove the main PCB. (R18663) Removal Procedure...
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PCBs Si001274EC Step Procedure Points 2. Remove the radiation fin. Remove the 2 screws on the bottom of the electrical box. Electrical box (R19537) Remove the radiation fin. Radiation fin (R14334) 3. Remove the filter PCB. Remove the earth / ground wire screw.
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Si001274EC PCBs Step Procedure Points Pull out the clamp. (R16816) Release the harnesses from the groove. (R16817) Remove the 2 screws. (R16818) Removal Procedure...
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PCBs Si001274EC Step Procedure Points Unfasten the 3 hooks of the filter PCB ASSY. (R18905) Filter PCB ASSY (R14367) Remove the screw. Filter PCB Unfasten the 2 hooks and remove the filter PCB. (R19538) Removal Procedure...
Si001274EC Sound Blankets / Thermistors 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 Remove the 2 screws Partition plate and remove the partition plate.
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Sound Blankets / Thermistors Si001274EC Step Procedure Points Remove the sound Since the piping ports are Sound blanket blanket (outer). torn easily, remove the (outer) sound blankets carefully. (R16776) Remove the sound blanket (inner). Sound blanket (inner) (R20197) Release the discharge Be careful not to lose the pipe thermistor.
Si001274EC Four Way Valve / Electronic Expansion Valve 6. Four Way Valve / Electronic Expansion 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.
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Four Way Valve / Electronic Expansion Valve Si001274EC Step Procedure Points Remove the putty. Heat Putty up the brazed part of the four way valve and disconnect. (R18908) Heat up every brazed parts in turn and remove the four way valve.
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Si001274EC Four Way Valve / Electronic Expansion Valve Step Procedure Points Remove the sheets of putty. (R18909) Putty Heat up the 2 brazed Electronic expansion valve parts of the electronic expansion valve and remove it. (R22542) Removal Procedure...
Compressor Si001274EC 7. 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.
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Si001274EC Compressor Step Procedure Points Remove the putty. (R16963) Remove the 2 nuts of the compressor. (R10257) Heat up the brazed part of the discharge side and disconnect it. (R5308) Heat up the brazed part of the suction side and disconnect it.
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Revision History Month / Year Version Revised contents 04 / 2013 Si001274 First edition 11 / 2013 Si001274EA Model addition: RKS50/60GVM4, RKS50/60GVMV 03 / 2014 Si001274EB Model addition: RXG50L2V1B 09 / 2015 Si001274EC Model addition: RKS50J2V1B9, RKS60F3V1B9, RX50/60G2V1B9, RXS50J2V1B9, RXS60F3V1B9...
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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.