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Head Office:
Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,
Kita-ku, Osaka, 530-8323 Japan

Tokyo Office:
JR Shinagawa East Bldg., 2-18-1, Konan,
Minato-ku, Tokyo, 108-0075 Japan

https://www.daikin.com/products/ac/

All rights reserved

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Warning

Daikin products are manufactured for export to numerous countries throughout the world. Prior to 
purchase, please confirm with your local authorized importer, distributor and/or retailer whether this 
product conforms to the applicable standards, and is suitable for use, in the region where the product 
will be used. This statement does not purport to exclude, restrict or modify the application of any local 
legislation.

Ask a qualified installer or contractor to install this product. Do not try to install the product yourself. 
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 unauthorized parts and accessories or 
improper installation of parts and accessories can result in water or refrigerant leakage, electrical 
shock, fire or explosion.

Read the user's manual carefully before using this product. The user's manual provides important 
safety instructions and warnings. Be sure to follow these instructions and warnings.

If you have any inquiries, please contact your local importer, distributor and/or retailer.

Cautions on product corrosion

1. Air conditioners should not be installed in areas where corrosive gases, such as acid gas or alkaline gas, are produced.
2. If the outdoor unit is to be installed close to the sea shore, direct exposure to the sea breeze should be avoided. If you need to install 

the outdoor unit close to the sea shore, contact your local distributor.

Specifications, designs and other content appearing in this brochure are current as of July 2019 but subject to change without notice.

Si001554EC

07/2019 AK.B

Summary of Contents for Si001554EC

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Pair Type 9000 12000 Btu h Class Si001554EC...

Page 2: ...l Removal Procedure Outdoor Unit Cooling Only Heat Pump RK09NMVJU RX09NMVJU RK12NMVJU RX12NMVJU RKN09NMVJU RX09QMVJU RKN12NMVJU RX12QMVJU RX09RMVJU RX12RMVJU RX09RMVJU9 RX12RMVJU9 RXN09NMVJU RXN12NMVJ...

Page 3: ...Electrical Box PCB 5 4 Thermistor ASSY 10 5 Sound Blankets 14 6 Reactor Electronic Expansion Valve Coil Partition Plate 15 7 Four Way Valve 17 8 Compressor 19 Note The illustrations may be slightly d...

Page 4: ...bling work Step Procedure Points 1 2 Remove the 3 screws and remove the top panel Remove the 4 screws of the front panel 3 4 Unfasten the 2 left side hooks and then the 2 right side hooks Remove the f...

Page 5: ...Points 1 Disconnect the connector S71 and remove the filament tape S71 fan motor 2 Release the fan motor lead wire from the groove 3 4 Remove the nut of the outdoor fan Remove the outdoor fan Nut size...

Page 6: ...frame When reassembling fit the 2 lower hooks into the bottom frame 6 Open the 3 hooks and release the fan motor lead wire 7 Remove the 3 screws from the fan motor 8 Remove the fan motor Step Procedur...

Page 7: ...sassembling work Step Procedure Points 1 Remove the electrical box 1 black front 2 white front 3 red front 1 Disconnect the 3 connectors from the terminal board 2 Remove the screw and detach the earth...

Page 8: ...Procedure 4 Disconnect the connector S20 S20 electronic expansion valve coil 5 Disconnect the connector S40 S40 overload protector 6 Disconnect the connector S30 S30 compressor motor Step Procedure P...

Page 9: ...from the reactor When reassembling you can reconnect the 2 connectors for the reactor in either way regardless of the color 8 Disconnect the connector S90 S90 thermistors 9 Pull out the clamp from th...

Page 10: ...trical box 11 Slide the electrical box to the right and lift up to remove it There are 2 hooks at the bottom and the top back of the electrical box 2 Remove the PCB 1 Remove earth ground screw Step Pr...

Page 11: ...554EC Electrical Box PCB Removal Procedure 9 2 3 Remove the 3 screws of the PCB Unfasten the 2 spacers and the 2 hooks from the PCB 4 Remove the PCB Step Procedure Points Hook Spacer Hook R20841 PCB R...

Page 12: ...efore disassembling work Step Procedure Points 1 Remove the screw 2 Slide the stop valve cover downward and remove it When reassembling make sure to fit the 4 hooks 3 Remove the 2 screws and lift up t...

Page 13: ...that the hook and the projection are securely fastened 5 Remove the 7 screws on the terminal board and disconnect the connecting wire and the power supply wire 6 Remove the 3 screws of the right side...

Page 14: ...ove the right side panel 10 11 Cut the clamp Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor The location of the clamp is different depending on the m...

Page 15: ...3 12 Pull out the discharge pipe temperature thermistor and remove the thermistor ASSY Be careful not to lose the fixture for the thermistor Step Procedure Points Discharge pipe temperature thermistor...

Page 16: ...Step Procedure Points 1 Remove the sound blanket top The design of sound blanket varies depending on the model Since the piping ports on the sound blanket are torn easily remove the blanket carefully...

Page 17: ...ion 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 2 screws of the reactor 2 Slide the reactor u...

Page 18: ...e Si001554EC 16 Removal Procedure 4 Remove the 2 screws of the partition plate 5 Lift up the partition plate and remove it When reassembling fit the hook on the bottom frame Step Procedure Points Part...

Page 19: ...or the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to ap...

Page 20: ...ct the compressor lead wires and the overload protector 5 6 7 Remove the putty Heat up and disconnect the brazed parts of the four way valve Remove the four way valve Step Procedure Points Terminal co...

Page 21: ...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 br...

Page 22: ...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 of the compressor Lift up the compressor and remove it Step Proce...

Page 23: ...nth Year Version Revised contents 06 2015 Si001554E First edition 01 2016 Si001554EA Model addition RXL09QMVJU 08 2018 Si001554EB Model addition RX09 12QMVJU RX09 12RMVJU 07 2019 Si001554EC Model addi...

Page 24: ...ssories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorized parts and accessories or improper installation of parts and a...

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