Daikin Quaternity RXG09HVJU Service Manual Download | Manualshive

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REMOVAL

PROCEDURE

S E R V I C E M A N U A L

9000/12000/15000 Btu/h Class

Outdoor Unit

Inverter

Pair Type

Si00-979

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Summary of Contents for Quaternity RXG09HVJU

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 9000 12000 15000 Btu h Class Outdoor Unit Inverter Pair Type Si00 979 ...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zHeat Pump RXG09HVJU RXG12HVJU RXG15HVJU ...

Page 3: ...l Box 6 3 Removal of PCB 10 4 Removal of Sound Blankets 13 5 Removal of Thermistor Assembly 15 6 Removal of Reactor Partition Plate 17 7 Removal of Four Way Valve 18 8 Removal of Electronic Expansion Valve 20 9 Removal of Compressor 21 Note The illustrations may be slightly different depending on the model ...

Page 4: ... supplies before disassembling work Step Procedure Points 1 Removal of the top panel 1 Remove the 2 screws of the top panel 2 Remove the front panel 1 Remove the 7 screws of the front panel There are 5 hooks in total of right and left Lift the front panel and pull it out toward yourself 2 Remove the 4 screws to remove the front grille R10197 R10196 Front panel Front grille R10198 ...

Page 5: ... cut section of the motor shaft 1 Remove the fan fixing nut and remove the propeller fan When assembling the fan motor let the z mark go upper The direction of the lead wire outlet Remove the fan fixing nut with the 13 mm wrench 4 Removal of the fan motor 1 Disconnect the fan motor connector S70 from PCB Step Procedure Points R10199 D cut R5833 mark R5834 mark mark Fan fixing nut 13 mm R5835 R1020...

Page 6: ...fan motor and pass the lead wire downward through the opening 3 Remove the screw of the fan motor fixing plate 4 Detach the upper part of the fan motor fixing plate 5 Fan motor fixing plate has the 2 hooks on lower part Step Procedure Points R10201 Lead wire for fan motor R10202 R5839 R5840 ...

Page 7: ...ead wire and detach the lead wire When assembling put the lead wire through the back of the motor so as not to be entangled with the propeller fan 7 Remove the 4 screws of the fan motor 8 Pull out the rubber vibration isolators sideward Step Procedure Points R10203 R3249 Lead wire Propeller fan ...

Page 8: ...ure Points 1 Disconnect the wire harnesses of the PCB Preparation Remove the front panel according to Removal of Outdoor Fan Fan Motor 1 Disconnect the connector for the fan motor S70 2 Disconnect the connector for the four way valve coil S80 3 Disconnect the connector for the electronic expansion valve coil S20 4 Disconnect the connector for the thermistor assembly S90 R14006 S70 S80 R14007 R1405...

Page 9: ...he 2 terminals from the reactor 6 Disconnect the relay harness for the compressor 2 Disconnect the power supply connecting wiring 1 Remove the 2 screws of the radiation shield plate to remove Step Procedure Points R14053 Orange Purple R14010 R10210 Radiation shield plate ...

Page 10: ...of the earth ground wire 3 Disconnect all the connecting wires 4 Disconnect the connectors black power supply white power supply and red signal Black power supply White power supply Red signal Step Procedure Points R18586 Earth ground R10212 Black White Red R0147 Green Yellow ...

Page 11: ...emoval Procedure 9 5 Detach the clamp for the thermistor assembly from the electrical box 6 Remove the 2 screws of the electrical box 7 Lift the electrical box and remove it Step Procedure Points Clamp R14012 R14013 Electrical box R14014 ...

Page 12: ...power supplies before disassembling work Step Procedure Points 1 Remove the screw of the electrical box cover Lift the electrical box cover and remove Preparation Remove the electrical box according to Removal of Electrical Box 2 Lift the insulation sheet and remove 3 Remove the 5 screws for the PCB or the radiation fin R10217 R10218 R10219 ...

Page 13: ...ce because the PCB and the radiation fin are adhered to one another When reassembling make sure to use the silicon material 5 Remove the 2 screws and detach the clip to remove the radiation shield plate 6 Cut the 3 clamps 7 Remove the 2 screws Step Procedure Points R5861 Radiation fin R5862 Clip Radiation shield plate R14016 R5864 R5865 ...

Page 14: ...rical box 10 Disconnect the connectors S20 Expansion valve S45 Thermal fuse S70 Fan motor S80 Four way valve S90 Thermistor outdoor temperature outdoor heat exchanger discharge pipe Step Procedure Points Hook R14017 R5867 R10227 S90 S80 S20 LED5 green Fuse 3 15A 250V HH1 orange Varistor LEDA green S45 S70 Fuse 3 15A 250V ...

Page 15: ... the right side panel Preparation Remove the electrical box according to Removal of Electrical Box 1 Remove the 3 screws on the back side of the right side panel 2 Remove the 2 screws 3 Lift the right side panel to unfasten the 2 hooks and remove it 2 Remove the sound blankets Since the piping ports on the sound blanket are torn easily remove the blanket carefully 1 Remove the sound blanket top R1...

Page 16: ...rings and open the sound blanket outer 3 Pull the sound blanket outer out Since the piping ports on the sound blanket are torn easily remove the blanket carefully 4 Open the sound blanket inner and pull it out Step Procedure Points R14023 Sound blanket outer R14020 R10233 ...

Page 17: ...he arrangement of the thermistor assembly Preparation Remove the electrical box according to Removal of Electrical Box 2 Remove the 3 screws on the back side of the right side panel and detach the outdoor temperature thermistor 3 Remove the 2 screws 4 Lift the right side panel to unfasten the 2 hooks and remove it Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger ther...

Page 18: ...Since the piping ports on the sound blanket are torn easily remove the blanket carefully 7 Release the discharge pipe thermistor Detach the discharge pipe thermistor while opening the thermistor fixing clip Be careful not to loose the clip for the discharge pipe thermistor Meet the edge of the thermistor and the clip when reassembling Step Procedure Points R5879 R14055 Sound blanket top R5880 ...

Page 19: ...before disassembling work Step Procedure Points 1 Remove the reactor Preparation Remove the sound blankets according to Removal of Sound Blankets 1 Remove the screw and remove the reactor 2 Remove the partition plate 1 Remove the 2 screws 2 Lift the partition plate and remove it When reassembling make sure to catch the lower hook of the partition plate R14056 R14057 R14025 Partition plate R5884 ...

Page 20: ...rning off all power supplies before disassembling work Step Procedure Points 1 Remove the screw and remove the four way valve coil Preparation Remove the sound blankets according to Removal of Sound Blankets 2 Pull out the electronic expansion valve coil 3 Remove the putty Four way valve coil R5885 R14026 Electronic expansion valve coil Putty R5887 ...

Page 21: ...quired to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the main unit wi...

Page 22: ...urself burnt with the pipes and other parts that are heated by the gas brazing machine Warning If the refrigerant gas leaks during work ventilate the room If the refrigerant gas is exposed to flames toxic gas may be generated Caution From the viewpoint of global environment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Before working...

Page 23: ...edure Points 1 Remove the terminal cover Preparation Remove the sound blankets according to Removal of Sound Blankets 2 Disconnect the compressor lead wires and detach the overload protector Be careful so as not to burn the compressor terminals or the name plate 3 Remove the protecting bushing 4 Remove the 3 fixing nuts for compressor R14031 Terminal cover R14032 V yellow U red W blue R6031 R5897 ...

Page 24: ...to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the main unit with a tu...

Page 25: ...Revision History Month Year Version Revised contents 02 2013 Si00 979 First edition ...

Page 26: ...ries 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 instructi...

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