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Summary of Contents for Daikin RKS22MVLT
- Page 1 Si001354EA REMOVAL PROCEDURE S E R V I C E M A N U A L 2.2/2.8/3.6 kW Class Outdoor Unit Inverter Pair Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump RKS22MVLT RXM22NVLT RKS28MVLT RXM28NVLT RKS36MVLT RXM36NVLT RXS22MVLT RXS28MVLT RXS36MVLT...
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Page 3: Table Of Contents
Si001354EA Table of Contents 1. Outer Panels ...................2 2. Outdoor Fan / Fan Motor.................5 3. Electrical Box ..................7 4. PCBs .......................9 5. Reactor / Partition Plate ................13 6. Sound Blankets ..................14 7. Thermistor ASSY ..................15 8. Four Way Valve..................16 9. Compressor...................19 Note: The illustrations may be slightly different depending on the model. -
Page 4: Outer Panels
Outer Panels Si001354EA 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 Slide the discharge grille Top panel and remove the top upward and remove it. - Page 5 Si001354EA Outer Panels Step Procedure Points Remove the screw of the stop valve cover. Pull down the stop valve cover to unfasten the hooks and remove Stop valve cover (R18936) The stop valve cover has 3 hooks. (R18937) Remove the 3 screws and remove the wire fixture.
- Page 6 Outer Panels Si001354EA Step Procedure Points 10 Pull out the outdoor Outdoor temperature temperature thermistor. thermistor (R14300) 11 Remove the 7 screws of the right side panel. Right side panel (R18940) Unfasten the 2 lower When reassembling, insert hooks and the upper the 2 lower hooks and the hook.
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Page 7: Outdoor Fan / Fan Motor
Si001354EA Outdoor Fan / Fan Motor 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. (R18942) Disconnect the [S70]: fan motor... - Page 8 Outdoor Fan / Fan Motor Si001354EA Step Procedure Points Remove the screw of Fan motor fixing frame the fan motor fixing frame. (R18945) Unfasten the 2 hooks at When reassembling, fit the 2 the bottom. lower hooks into the bottom frame.
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Page 9: Electrical Box
Si001354EA Electrical Box 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 Disconnect the The cooling only models connector [S80]. have no harness for [S80]. [S80]: four way valve coil [S80] (R17144) - Page 10 Electrical Box Si001354EA Step Procedure Points Disconnect the relay connector for the compressor. (R19075) Disconnect the [S40]: overload protector [S40] connector [S40]. (R19076) Disconnect the [S90]: thermistors [S90] connector [S90]. When reassembling, connect the connectors in the following order. (1) [S90] (2) [S40] (3) compressor relay (4) reactor...
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Page 11: Pcbs
Si001354EA 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. You can remove the main PCB after you disconnect Pull out the forced the lead wires on the operation button PCB. - Page 12 PCBs Si001354EA Step Procedure Points Disconnect the [HL3]: filter PCB (orange) connector [HL3]. [HL3] (R12598) Disconnect the [HN3]: filter PCB (blue) connector [HN3]. [HN3] (R12599) Remove the 6 screws. (R12600) Unfasten the 2 hooks The electrical box has also 2 Hook on the lower side.
- Page 13 Si001354EA PCBs Step Procedure Points 2. Remove the filter PCB. Remove the 2 screws and release the earth / ground wires. Earth / ground wire (R22508) Disconnect the 1 : black, back connectors from the 2 : white, back terminal board. 3 : red, front : yellow / green, back Terminal board...
- Page 14 PCBs Si001354EA Step Procedure Points Release the harnesses from the hook. (R12607) Remove the screw. Unfasten the 2 hooks Hook and remove the filter PCB. Filter PCB (R18658) Removal Procedure...
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Page 15: Reactor / Partition Plate
Si001354EA Reactor / Partition Plate 5. Reactor / Partition Plate 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 reactor. When reassembling, make Reactor Hook sure to catch the hook. -
Page 16: Sound Blankets
Sound Blankets Si001354EA 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 Untie the string and Since the piping ports are open the sound blanket torn easily, remove the (outer). -
Page 17: Thermistor Assy
Si001354EA Thermistor ASSY 7. Thermistor ASSY Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Release the discharge Be careful not to lose the Discharge pipe thermistor pipe thermistor. -
Page 18: Four Way Valve
Four Way Valve Si001354EA 8. 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 19 Si001354EA Four Way Valve Step Procedure Points Remove the terminal Terminal cover cover. (R7234) Disconnect the lead Overload Protection wires of the protector bushing compressor. Red (U) Remove the overload protector. Remove the protection bushing. Yellow (V) Blue (W) (R18951) Remove the screw and Four way valve coil remove the four way...
- Page 20 Four Way Valve Si001354EA Step Procedure Points Remove the sheets of The position of the sheets of putty. putty varies by model. (R7248) Heat up the 4 brazed Four way valve parts and withdraw the piping with pliers. (R7249) (R7250) Removal Procedure...
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Page 21: Compressor
Si001354EA Compressor 9. 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 22 Compressor Si001354EA Step Procedure Points Heat up the brazed part of the discharge side and disconnect. Discharge side (R12031) Heat up the brazed part of the suction side and disconnect. Suction side (R12032) Lift up the compressor and remove it. (R7254) Removal Procedure...
- Page 23 Revision History Month / Year Version Revised contents 05 / 2013 Si001354E First edition 08 / 2015 Si001354EA Model addition: RXM22/28/36NVLT...
- Page 24 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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