Related Manuals for Daikin RKS20LVMA
Summary of Contents for Daikin RKS20LVMA
- Page 1 Si001155EA REMOVAL PROCEDURE S E R V I C E M A N U A L 2.0/2.5/3.5 kW Class 9000/12000 Btu/h Class Outdoor Unit Inverter Pair Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump RKS20LVMA RXS09LVJU RKS25LVMA RXS12LVJU RKS35LVMA RXS20LVMA RXS25LVMA RXS35LVMA RXS25LAVMA RXS25LBVMA RXS35LBVMA RXS25RV1A...
-
Page 3: Table Of Contents
Si001155EA Table of Contents 1. Outer Panels / Fan Motor................2 2. Electrical Box ..................10 3. PCBs .....................13 4. Reactor / Partition Plate ................20 5. Sound Blankets ..................21 6. Four Way Valve..................23 7. Compressor...................26 Note: The illustrations may be slightly different depending on the model. The illustrations are for heat pump models as representative. -
Page 4: Outer Panels / Fan Motor
Outer Panels / Fan Motor Si001155EA 1. Outer Panels / 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. Appearance features (R7186) Be careful not to cut your finger on the fins of the outdoor heat exchanger. - Page 5 Si001155EA Outer Panels / Fan Motor Step Procedure Points Remove the 3 screws Top panel and lift the top panel. (R13503) Remove the drip proof Drip proof plate plate. (R7191) Remove the 4 screws, and then the discharge grille. Discharge grille (R7192) When reassembling, make...
- Page 6 Outer Panels / Fan Motor Si001155EA Step Procedure Points Remove the 8 screws of the front panel. Front panel (R11825) Unfasten the hooks and When reassembling, make pull out the front panel. sure the 4 hooks are securely fastened. Hook (R24376) 3.
- Page 7 Si001155EA Outer Panels / Fan Motor Step Procedure Points Remove the outdoor When reassembling, align fan. mark of the outdoor fan with the D-cut section of the motor shaft. D-cut (R11828) Release the outdoor Back view temperature thermistor. Outdoor temperature (R24377) thermistor Disconnect the...
- Page 8 Outer Panels / Fan Motor Si001155EA Step Procedure Points Remove the screw. Fan motor fixing frame (R11833) Remove the fan motor fixing frame. (R12314) When reassembling, fit the 2 lower hooks into the bottom frame. (R7206) Removal Procedure...
- Page 9 Si001155EA Outer Panels / Fan Motor Step Procedure Points Open the 2 hooks and When reassembling, put the release the fan motor fan motor lead wire through lead wire. the back of the fan motor so as not to be entangled with the outdoor fan.
- Page 10 Outer Panels / Fan Motor Si001155EA Step Procedure Points Remove the 2 screws on the rear side. (R12162) Remove the 4 screws Right side panel on the right side panel. (R12163) Remove the screw. (R11839) Unfasten the hook on When reassembling, make the rear side.
- Page 11 Si001155EA Outer Panels / Fan Motor Step Procedure Points Lift up the right side When reassembling, make panel and remove it. sure the hook is securely fastened. Hook (R12272) Lift up the guard net Guard net and remove it. (R11841) Removal Procedure...
-
Page 12: Electrical Box
Electrical Box Si001155EA 2. 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 [S80]: four way valve coil connector [S80]. The cooling only models do not have the harness for [S80]. - Page 13 Si001155EA Electrical Box Step Procedure Points Disconnect the [S40]: overload protector connector [S40]. When reassembling, connect the connectors in the following order. (1) [S40] (2) relay connector for [S40] compressor (3) reactor (4) [S20] (5) [S70] (6) [S80] (R16924) Cut the clamp. (R11850) Pull out the outdoor Be careful not to lose the clip...
- Page 14 Electrical Box Si001155EA Step Procedure Points Release the discharge Be careful not to lose the clip pipe thermistor. for the thermistor. Clip (R12279) Discharge pipe thermistor (R11849) Lift and remove the Electrical Box electrical box. (R16929) Removal Procedure...
-
Page 15: Pcbs
Si001155EA PCBs 3. 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 and the forced operation PCB when you disconnect button PCB. - Page 16 PCBs Si001155EA Step Procedure Points Pull out the forced Be careful of the sharp operation button PCB. protrusion at the back of the forced operation button Disconnect the PCB. connector [S110]. [S110]: main PCB [S110] Forced operation button PCB (R16932) Cut the clamp.
- Page 17 Si001155EA PCBs Step Procedure Points Cut the 2 clamps. (R16935) Disconnect the [S10]: filter PCB connector [S10]. [S10] (R16936) 10 Disconnect the [S100]: forced operation button connector [S100]. [S100] (R16937) 11 Disconnect the [HL3][HN3]: filter PCB connectors [HL3] and [HN3] [HN3].
- Page 18 PCBs Si001155EA Step Procedure Points 12 Release the harnesses from the slit. (R16939) 13 Release the harness for the outdoor temperature thermistor. (R11865) 14 Remove the 6 screws. (R16940) Removal Procedure...
- Page 19 Si001155EA PCBs Step Procedure Points 15 Unfasten the 4 hooks and remove the main PCB. (R16941) 2. Remove the filter PCB. Release the harnesses from the slit. Filter PCB (R16942) Cut the clamp. (R16943) Removal Procedure...
- Page 20 PCBs Si001155EA Step Procedure Points Release the harnesses from the slit. (R16944) Release the harnesses from the 2 hooks. (R16945) Remove the screw. (R17244) Unfasten the 2 hooks. (R24267) Removal Procedure...
- Page 21 Si001155EA PCBs Step Procedure Points Lift and pull out the filter PCB. Filter PCB (R24268) Removal Procedure...
-
Page 22: Reactor / Partition Plate
Reactor / Partition Plate Si001155EA 4. 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. Reactor Remove the screw, and then the reactor. -
Page 23: Sound Blankets
Si001155EA Sound Blankets 5. Sound Blankets Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the sound Since the piping ports are blanket (top). torn easily, remove the sound blankets carefully. - Page 24 Sound Blankets Si001155EA Step Procedure Points Pull out the sound blanket (inner). Sound blanket (inner) (R11887) Pull out the sound blanket (bottom). Sound blanket (bottom) (R11888) Removal Procedure...
-
Page 25: Four Way Valve
Si001155EA Four Way Valve 6. 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 26 Four Way Valve Si001155EA Step Procedure Points Remove the terminal Terminal cover cover. (R7234) Disconnect the lead wires (U, V, W) of the Red (U) compressor. Yellow (V) Blue (W) (R7235) Remove the screw, and The cooling only models do Four way valve coil then the four way valve not have the four way valve...
- Page 27 Si001155EA Four Way Valve Step Procedure Points Remove the putty. (R7248) Heat up the brazed part Four way valve and withdraw the piping with pliers. (R7249) (R7250) Removal Procedure...
-
Page 28: Compressor
Compressor Si001155EA 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. - Page 29 Si001155EA Compressor Step Procedure Points Remove the putties. Heat up the brazed part of the discharge side pipe and disconnect it. Putty Discharge side (R24269) pipe Heat up the brazed part of the suction side pipe and disconnect it. Suction side pipe (R24284) Lift the compressor up...
- Page 30 Revision History Month / Year Version Revised contents 08 / 2012 Si001155 First edition 12 / 2016 Si001155EA Model addition: RXS25RV1A...
- Page 31 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.