Daikin RKC09NV2S, Service Manual Removal Procedure

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 1 5 2 0 2 5 3 5 kW Class 9000 12000 Btu h Class Outdoor Unit Inverter Pair Type Si001416E ...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zCooling Only RKC09NV2S RKC12NV2S RKC15NVM4 RKC20NVM4 RKC25NVM4 RKC35NVM4 RKC25NVM RKC35NVM RKC25NVMV RKC35NVMV ...

Page 3: ...er Panels 2 2 Outdoor Fan Fan Motor 4 3 Electrical box 6 4 PCB 10 5 Reactor Partition Plate 12 6 Thermistor ASSY 14 7 Sound Blankets 15 8 Electronic Expansion Valve Coil Compressor 16 Note The illustrations may be slightly different depending on the model ...

Page 4: ...ep Procedure Points 1 2 Remove the screw of the stop valve cover Pull down and remove the stop valve cover The stop valve cover is united with the shield plate When reassembling make sure to fit the 3 hooks 3 4 Remove the 3 screws and remove the top panel Remove the 6 screws of the front panel Stop valve cover R21285 Hook Shield plate R21286 Top panel Front panel R21287 ...

Page 5: ...ht side hooks and remove the front panel 7 Press the 2 projections from the rear side and rotate the discharge grille 8 Unfasten the 6 hooks and remove the discharge grille Step Procedure Points Left Right Front panel R21288 Rear side Projection rear side Discharge grille R21289 Hook Discharge grille Hook R21290 ...

Page 6: ...ize M6 When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 2 Disconnect the connector S70 S70 fan motor When reassembling do not fix the fan motor lead wire inside the hook of the electrical box Nut Outdoor fan D cut R21291 10 mm 0...

Page 7: ... and remove the fan motor fixing frame When reassembling fit the 2 lower hooks into the bottom frame 5 Unfasten the 2 hooks on the motor fixing frame and release the fan motor lead wire 6 Remove the 3 screws and remove the fan motor Screw size M4 16 Step Procedure Points Hook Groove R21293 Fan motor lead wire R21320 Fan motor fixing frame R21294 R10460 Fan motor lead wire Hook R21295 Fan motor R21...

Page 8: ...l power supplies before disassembling work Step Procedure Points 1 Disconnect the connector S20 and pull out the clamp S20 electronic expansion valve coil 2 Cut the clamp and disconnect the connector S40 S40 overload protector 3 Disconnect the relay connector for compressor Clamp S20 R21297 S40 Clamp R21298 Relay connector R21299 ...

Page 9: ...90 thermistors 5 Disconnect the 2 connectors from the reactor When reassembling you can reconnect the 2 connectors for the reactor in either way regardless of the color 6 Remove the 3 screws and remove the wire fixture Step Procedure Points Clamp S90 R21300 Connector Reactor R21301 Wire fixture R21302 ...

Page 10: ...2 screws on the right side panel then remove the screw on the partition plate 9 Remove the outdoor temperature thermistor from the protection net the hook and the slit Step Procedure Points Terminal board Connecting wire Power supply wire R21303 Right Front Right side panel Partition plate R21304 Protection net Outdoor temperature thermistor Hook Slit R21305 ...

Page 11: ...Si001416E Electrical box Removal Procedure 9 10 Lift up the protection net and remove it 11 Lift up the electrical box and remove it Step Procedure Points Protection net R21314 Electrical box R21306 ...

Page 12: ...t the projection at the back of the terminal board into the hole on the mounting plate 3 4 Release the terminal board harnesses from the hook inside the electrical box Cut the clamp to release the relay harness for the compressor 5 Remove the screw and unfasten the hook on the left side to remove the electrical box cover Terminal board Clamp Earth ground screw R21307 Mounting plate Projection R213...

Page 13: ...ove the insulation sheet The insulation sheet can be easily removed by using a flat head screwdriver 7 8 Remove the 5 screws of the PCB Unfasten the hook and remove the PCB Step Procedure Points Insulation sheet R21311 PCB Hook R21312 R21313 ...

Page 14: ...e disassembling work Step Procedure Points 1 Remove the 3 screws of the right side panel 2 Unfasten the 2 hooks and remove the right side panel When reassembling make sure to fit the rear hook 3 4 5 Remove the screw of the reactor Slide the reactor upward to unfasten the 2 hooks Remove the reactor Right side panel R21315 Hook Hook R21316 Hook R21317 Reactor Hook R21318 ...

Page 15: ...6E Reactor Partition Plate Removal Procedure 13 6 Remove the 2 screws and remove the partition plate When reassembling fit the hook on the bottom frame Step Procedure Points Partition plate R21319 Hook R21363 ...

Page 16: ...ints 1 2 3 Pull out the discharge pipe temperature thermistor Cut the clamp Pull out the outdoor heat exchanger thermistor and remove the thermistor ASSY Be careful not to lose the fixture for the thermistor Be careful not to lose the clip for the thermistor Discharge pipe temperature thermistor Clamp Outdoor heat exchanger thermistor R21321 Thermistor ASSY R21322 Fixture R20430 Clip R20852 ...

Page 17: ...ies before disassembling work Step Procedure Points 1 Remove the sound blanket top Since the piping ports on the sound blanket are torn easily remove the blanket carefully 2 Untie the 2 strings and pull out the sound blanket outer 3 Pull out the sound blanket inner Sound blanket top R21323 Sound blanket outer R21324 Sound blanket inner R21325 ...

Page 18: ...ollect all the refrigerant gas Restore the piping by non oxidation brazing Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the brazed part 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 ...

Page 19: ...r 6 7 8 9 Heat up the brazed part of the discharge side pipe and disconnect it Heat up the brazed part of the suction side pipe and disconnect it Remove the 3 nuts Lift up the compressor and remove it Step Procedure Points Terminal cover R21326 U red Protection bushing W blue V yellow Overload protector R21327 Brazed part of the discharge side pipe Brazed part of the suction side pipe Compressor N...

Page 20: ...Revision History Month Year Version Revised contents 03 2015 Si001416E First edition ...

Page 21: ...sories 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 z Read the user s manual carefully before using this product The user s manual provides important safety instruc...