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Summary of Contents for Daikin RKS20G2V1B
- Page 1 Si00-872 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.0/2.5/3.5 kW Class Outdoor Unit Inverter Pair Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump RKS20G2V1B ARXG25E3V1B RXG25E3V1B RKS25G2V1B ARXG35E3V1B RXG35E3V1B RKS35G2V1B ARXS20G2V1B RXS20G2V1B ARXS25G2V1B RXS25G2V1B ARXS35G2V1B RXS35G2V1B...
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Page 3: Table Of Contents
Si00-872 Table of Contents 1. Removal of Outer Panels / Fan Motor.............2 2. Removal of Electrical Box ..............10 3. Removal of Thermistors ................13 4. Removal of PCB..................14 5. Removal of Reactor / Partition Plate .............16 6. Removal of Sound Blankets..............18 7. -
Page 4: Removal Of Outer Panels / Fan Motor
Removal of Outer Panels / Fan Motor Si00-872 1. Removal of Outer Panels / Fan Motor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Features (R7186) Some models do not have a guard net. - Page 5 Si00-872 Removal of Outer Panels / Fan Motor Step Procedure Points Remove the 2 screws Top panel and lift the top panel. (R7190) Remove the drip proof Drip proof plate plate. (R7191) Remove the 4 screws and remove the discharge grille. Discharge grille (R7192)
- Page 6 Removal of Outer Panels / Fan Motor Si00-872 Step Procedure Points Remove the 7 screws of the front panel. Front panel (R12304) Unfasten the hooks. The front panel has 4 hooks. Pull and remove the front panel. Hooks (R7195) Removal Procedure...
- Page 7 Si00-872 Removal of Outer Panels / Fan Motor Step Procedure Points 3. Remove the fan motor. Nut size: M6 Remove the washer- fitted nut of the outdoor fan. 10 mm (R12236) Outdoor fan (R7196) Remove the outdoor When reassembling, align fan.
- Page 8 Removal of Outer Panels / Fan Motor Si00-872 Step Procedure Points Disconnect the [S70] connector for the fan motor [S70]. (R9332) Release the fan motor Fan motor lead wire from the hook. lead wire (R7200) Open the hooks and When reassembling, put the release the fan motor fan motor lead wire through lead wire.
- Page 9 Si00-872 Removal of Outer Panels / Fan Motor Step Procedure Points Remove the screw and remove the fan motor fixing frame. Fan motor fixing frame (R9333) (R9334) When reassembling, fit the lower hooks into the bottom frame. (R7206) Removal Procedure...
- Page 10 Removal of Outer Panels / Fan Motor Si00-872 Step Procedure Points 4. Remove the right side panel. Remove the 2 screws on the rear side. (R7207) Release the outdoor Outdoor temperature thermistor temperature thermistor. (R7208) Lift up the guard net and remove it.
- Page 11 Si00-872 Removal of Outer Panels / Fan Motor Step Procedure Points Remove the screw near the stop valves. (R7211) Unfasten the hook on When reassembling, make the rear side. sure to fit the hook. (R7212) Lift up the right side When reassembling, make panel and remove it.
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Page 12: Removal Of Electrical Box
Removal of Electrical Box Si00-872 2. Removal of Electrical Box Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Disconnect the 2 Preparation connectors for the Remove the panels and reactor. - Page 13 Si00-872 Removal of Electrical Box Step Procedure Points Disconnect the [S90] [S50] connectors for the magnetic relay [S50] and for the thermistors [S90]. (R9341) Disconnect the [S40] [S10] connectors for the filter PCB [S10] and for the overload protector [S40]. (R9342) Disconnect the The cooling only models do...
- Page 14 Removal of Electrical Box Si00-872 Step Procedure Points Remove the wire Some models do not have Wire harness harness for standby the harness for standby electricity saving. electricity saving. (R9345) Cut the clamps at 2 locations. (R9346) Lift and remove the Electrical box electrical box.
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Page 15: Removal Of Thermistors
Si00-872 Removal of Thermistors 3. Removal of Thermistors Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Release the discharge Be careful not to lose the clip pipe thermistor. -
Page 16: Removal Of Pcb
Removal of PCB Si00-872 4. Removal of PCB Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Feature of the main You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box. - Page 17 Si00-872 Removal of PCB Step Procedure Points Remove the 4 screws. Screws (R9359) Unfasten the 3 hooks on the upper side. (R9360) Lift and pull out the main PCB. (R9361) Feature of the main [S10] [HL3] [HN3]: filter PCB [S30] [S10] [S40] [S90] [S50] [S20]: electronic expansion...
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Page 18: Removal Of Reactor / Partition Plate
Removal of Reactor / Partition Plate Si00-872 5. Removal of Reactor / Partition Plate Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the reactor. Preparation Reactor Remove the outer panels... - Page 19 Si00-872 Removal of Reactor / Partition Plate Step Procedure Points The partition plate has a hook on the lower side. Lift and pull the partition plate to remove. (R7227) When reassembling, fit the lower hook into the bottom frame. Hook (R7228) Removal Procedure...
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Page 20: Removal Of Sound Blankets
Removal of Sound Blankets Si00-872 6. Removal of Sound Blankets Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Untie the string and Preparation open the sound blanket Remove the outer panels (outer). -
Page 21: Removal Of Four Way Valve
Si00-872 Removal of Four Way Valve 7. Removal of Four Way Valve Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Pull out the electronic The cooling only models do expansion valve coil. - Page 22 Removal of Four Way Valve Si00-872 Step Procedure Points Remove the screw and Four way valve coil remove the four way Warning valve coil. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
- Page 23 Si00-872 Removal of Four Way Valve Step Procedure Points Note: Do not use a metal saw for cutting pipes by all means because the sawdust comes into the circuit. When withdrawing the pipes, be careful not to pinch them firmly with pliers. The pipes may get deformed.
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Page 24: Removal Of Compressor
Removal of Compressor Si00-872 8. Removal of Compressor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the 2 nuts of the compressor. Warning Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine. - Page 25 Si00-872 Removal of Compressor Step Procedure Points Heat up the brazed part Note: of the suction side and Do not use a metal saw for disconnect. cutting pipes by all means because the sawdust comes into the circuit. When withdrawing the pipes, be careful not to pinch them firmly with pliers.
- Page 26 Revision History Month / Year Version Revised contents First edition 06 / 2013 Si00-872...
- Page 27 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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