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Daikin RKS71KAVMA, Removal Procedure

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Daikin RKS71KAVMA Removal Procedure Download Page 21

Si001167

Removal of PCBs

Removal Procedure

19

3. Removal of PCBs

Procedure

Warning

Be sure to wait for 10 minutes or more after turning off all power 
supplies before disassembling work.

Step

Procedure

Points

1

Disconnect the 
connectors [S52] 
[S102] from the service 
monitor PCB. 

Preparation

„

Remove the electrical box 
according to the "Removal of 
Electrical Box".

2

Detach the 4 clamps 
with pliers and remove 
the service monitor 
PCB.

3

Remove the screws of 
the terminal board and 
the earth wire.

4

Remove the selective 
connector for standby 
electricity saving.

„

Be careful not to lose the 
connector.

(R13539)

Service monitor PCB

[S52]

[S102]

Clamp

(R13540)

(R16085)

Terminal board

Earth wire

(R13509)

Summary of Contents for RKS71KAVMA

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 6 0 7 1 8 0 9 0 kW Class Outdoor Unit Inverter Pair Type Si001167 ...

Page 2: ...Service Manual Removal Procedure Outdoor Unit Applicable Models zCooling Only zHeat Pump RKS71KVMA RXS60HAVMA RXS71HAVMA RKS71KAVMA RXS71KVMA RXS80KVMA RXS90KVMA RXS71KAVMA RXS80KAVMA RXS90KAVMA ...

Page 3: ...Electrical Box 15 3 Removal of PCBs 19 4 Removal of Fan Motor 22 5 Removal of Coils Thermistors 23 6 Removal of Sound Blankets 26 7 Removal of Compressor 29 Note The illustrations may be slightly different depending on the model The illustrations are for heat pump models as representative ...

Page 4: ... for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Features 2 Remove the suction grille The hooks are secured in the clearances of the outdoor heat exchanger fins 1 Unfasten the 2 hooks at the bottom first R9036 Hook Rear side R13588 Suction grille R6370 ...

Page 5: ...ocedure 3 2 Slide the suction grille downward to unfasten the 3 top hooks 3 Remove the suction grille 3 Remove the top panel 1 Remove the 4 screws on the back and the screw on the left side Step Procedure Points Hook R13589 R6372 R6373 Top panel ...

Page 6: ... Procedure 2 Remove the 2 screws on the front and the screw on the right side panel 3 Lift the top panel and remove it 4 Remove the right side panel 1 Remove the 5 screws Step Procedure Points R9037 Right side panel R9038 R9039 Right side panel ...

Page 7: ...Si001167 Removal of Outer Panels Removal Procedure 5 2 Slide the right side panel downward to unfasten the 2 hooks on the rear side Step Procedure Points R11143 Hook R13521 Hook R13522 ...

Page 8: ...oval Procedure 3 Remove the right side panel 5 Remove the front panel 2 1 Remove the 2 screws This screw is M5 3 16 2 Slide the front panel 2 downward to unfasten the hook Step Procedure Points R11145 Front Panel 1 Front Panel 2 R9042 R9043 ...

Page 9: ...el 2 6 Remove the front panel 1 Remove the discharge grille and the outdoor fan first to remove the front panel 1 1 Remove the 4 screws on the discharge grille 2 Pull the bottom of the discharge grille Step Procedure Points R9040 Hook Discharge grille R9045 Front Panel 1 R9046 ...

Page 10: ...val Procedure 3 Slide the discharge grille downward to unfasten the 2 hooks at the top 4 Remove the discharge grille 5 Remove the nut of the outdoor fan Nut size M8 Step Procedure Points R9047 Hook R13590 R9048 R6991 Outdoor fan 13 mm R12301 ...

Page 11: ...nels Removal Procedure 9 6 Remove the 2 screws on the partition plate 1 7 Remove the screw at the bottom left of the front 8 Remove the screw at the bottom of the left side Step Procedure Points R6992 R6993 Partition plate 1 R6393 ...

Page 12: ...val of Outer Panels Si001167 10 Removal Procedure 9 Remove the screw at the bottom of the rear side 10 Lift the front panel 1 The front panel 1 has a hook on its front Step Procedure Points R6394 Hook R6994 ...

Page 13: ...l 1 Be sure to detach the front panel 1 carefully so as not to deform it 7 Remove the rear panel 1 Remove the screw on the partition plate 2 2 Slide the partition plate 2 to the left and remove it Step Procedure Points R6995 R11400 R13591 Rear panel Partition plate 2 Hook R13592 ...

Page 14: ...e wire fixing plate 4 Remove the wire fixing plate and the insulation 5 Release the holder of the outdoor temperature thermistor The holder is secured in the clearances of the outdoor heat exchanger fins Step Procedure Points R13593 Wire fixing plate Insulation R13594 R11151 Holder ...

Page 15: ...oval Procedure 13 6 Release the harness of the outdoor temperature thermistor from the groove 7 Remove the 3 screws on the rear panel 8 Remove the screw on the bottom frame Step Procedure Points Thermistor R14991 R15002 Rear panel R13596 ...

Page 16: ...7 14 Removal Procedure 9 Remove the screw on the stop valve mounting plate 10 Lift the rear panel upward to unfasten the 2 hooks 11 Remove the rear panel Step Procedure Points Stop valve mounting plate R13597 Hook Hook R13598 R13599 ...

Page 17: ...tes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the screw on the stop valve mounting plate 2 Remove the screw on the partition plate 1 3 Remove the 2 screws to detach the earth wires R13600 Electrical box Stop valve mounting plate R9467 Partition plate 1 R13601 Earth wire ...

Page 18: ...ase the fan motor lead wire from the 5 hooks When reassembling do not use these 2 hooks 6 Disconnect the connectors of the front side S20 electronic expansion valve coil S40 overload protector S80 four way valve coil S90 thermistors Step Procedure Points R7008 S70 Fan motor lead wire R9468 R5275 S40 S20 S90 S80 ...

Page 19: ...dure 17 7 The compressor lead wire is fixed on the partition plate 1 with a clamp 8 Release the clamp of the compressor relay harness with pliers 9 Disconnect the relay connector for the compressor Step Procedure Points Clamp R13602 Clamp R6423 R6469 ...

Page 20: ...ctrical Box Si001167 18 Removal Procedure 10 Slide the electrical box to the left to unfasten the hook on the right side of the box 11 Lift up the electrical box and remove it Step Procedure Points R13603 Hook R13604 ...

Page 21: ...52 S102 from the service monitor PCB Preparation Remove the electrical box according to the Removal of Electrical Box 2 Detach the 4 clamps with pliers and remove the service monitor PCB 3 Remove the screws of the terminal board and the earth wire 4 Remove the selective connector for standby electricity saving Be careful not to lose the connector R13539 Service monitor PCB S52 S102 Clamp R13540 R1...

Page 22: ...or for standby electricity saving from the terminal board 1 Black 2 White 3 Red L1 Black L2 Brown N1 White N2 Blue 8 Disconnect the 2 harnesses for the reactor HR1 HR2 HR1 White HR2 Blue The harness for HR2 has a ferrite core Step Procedure Points R5283 R13543 R13542 N2 N1 L1 3 2 1 L2 Relay connector for standby electricity saving R5286 HR2 Ferrite core HR1 ...

Page 23: ...001167 Removal of PCBs Removal Procedure 21 9 Remove the 3 screws of the main PCB 10 Release the 4 hooks 11 Lift up and remove the main PCB Step Procedure Points Main PCB R5287 Hook R13524 Main PCB R5289 ...

Page 24: ...Procedure Points 1 2 Remove the 2 lower screws first Then remove the 2 upper screws Be sure to remove the lower screws first If the upper screws are removed first the fan motor may tilt down or fall and cause injury because its center of gravity is shifted to the front 3 Remove the fan motor When reassembling make sure that the wire harness is facing downward R6442 2 1 R6443 Fan motor R6444 Harnes...

Page 25: ...or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the electronic expansion valve coil 1 Pull the electronic expansion valve coil out 2 Remove the four way valve coil 1 Remove the screw 2 Remove the four way valve coil R11159 Electronic expansion valve coil R6457 R6458 Four way valve coil ...

Page 26: ...move the thermistors 1 Pull out the outdoor heat exchanger thermistor 2 Slightly open the sound blanket outer 3 Remove the sound blanket top upper Step Procedure Points R11160 Outdoor heat exchanger thermistor Sound blanket outer R7011 R7012 Sound blanket top upper ...

Page 27: ...Si001167 Removal of Coils Thermistors Removal Procedure 25 4 Remove the discharge pipe thermistor Step Procedure Points R9469 Discharge pipe thermistor ...

Page 28: ...plies before disassembling work Step Procedure Points 1 Open the sound blanket outer 2 Remove the sound blanket top upper The sound blanket is fragile Carefully pass the discharge pipe through it 3 Remove the screw and slightly push the partition plate 1 to the left for easy work Velcro tape R13557 Sound blanket outer R7014 Sound blanket top upper R7015 Partition plate 1 ...

Page 29: ...sound blanket top lower The sound blanket is fragile Carefully pass the discharge pipe through it 6 Open the sound blanket inner The sound blanket is fragile Be careful of the notches of the compressor mount 3 locations Step Procedure Points R7016 R7017 Sound blanket top lower R7018 Sound blanket inner ...

Page 30: ...Removal of Sound Blankets Si001167 28 Removal Procedure 7 Remove the sound blanket inner Step Procedure Points R7019 Sound blanket inner ...

Page 31: ...ing Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Pull out the 3 lead wires U red V yellow W blue 3 Remove the overload protector OL R9690 Terminal cover R9471 W blue U red V yellow OL ...

Page 32: ...by non oxidation brazing 2 It is required 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 rest...

Page 33: ...Revision History Month Year Version Revised contents 08 2012 Si001167 First edition ...

Page 34: ...ories 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 instruct...

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