Daikin 3MWKS30KV1S User Manual Download | Manualshive

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REMOVAL

PROCEDURE

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

80 kW Class
30000 Btu/h Class

Outdoor Unit

Inverter

Multi Type

Si121177

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Summary of Contents for 3MWKS30KV1S

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 80 kW Class 30000 Btu h Class Outdoor Unit Inverter Multi Type Si121177 ...

Page 2: ...Service Manual Removal Procedure Outdoor Unit Applicable Models zCooling Only 3MWKS30KV1S 3MWKS80KV1 zWater Heater TUL 55KVM TUL 75KVM TUL 100KVM TUR 55KVM TUR 75KVM TUR 100KVM ...

Page 3: ...1 2 Removal of Fan Motor 15 1 3 Removal of Electrical Box 17 1 4 Removal of PCBs 23 1 5 Removal of Reactor 29 1 6 Removal of Coils Thermistors 30 1 7 Removal of Sound Blankets 32 1 8 Removal of Compressor 34 2 Removal of Water Heater 36 Note The illustrations may be slightly different depending on the model ...

Page 4: ...sure to wait 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 R9036 Hook Rear side R13635 Suction grille R6370 ...

Page 5: ... 3 2 Slide the suction grille downwards 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 R13636 R6372 Top panel R13761 ...

Page 6: ...Outdoor Unit Si121177 4 Removal 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 Step Procedure Points R9037 Right side panel R9038 ...

Page 7: ...t Removal Procedure 5 4 Remove the front panel 2 This screw is M5 16 1 Remove the 5 screws 2 Slide the front panel 2 downwards to release the hook Step Procedure Points Front Panel 2 Front Panel 1 R13637 R9043 R13638 Hook ...

Page 8: ...Outdoor Unit Si121177 6 Removal Procedure 3 Remove the front panel 2 5 Remove the right side panel 1 Remove the 2 screws Step Procedure Points R13639 Right side panel R13640 ...

Page 9: ...Si121177 Outdoor Unit Removal Procedure 7 2 Slide the right side panel downwards to unfasten the 2 hooks on the back side Step Procedure Points R13645 Hook R6378 Hook R13646 ...

Page 10: ...he discharge grille and outdoor fan first to remove the front panel 1 1 Remove the 4 screws on the discharge grille 2 Slide the discharge grille downwards to unfasten the 2 hooks at the top 3 Remove the discharge grille Step Procedure Points R13641 Discharge grille Front Panel 1 Hook R13643 R13642 ...

Page 11: ...door fan Nut size M8 When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft 5 Remove the 3 screws on the front panel 1 6 Remove the 2 screws at the bottom of the back side Step Procedure Points R13644 Outdoor fan 13 mm R12301 R13647 R13648 ...

Page 12: ...Outdoor Unit Si121177 10 Removal Procedure 7 Remove the front panel 1 Be sure to detach the front panel 1 carefully so as not to deform it Step Procedure Points R13649 ...

Page 13: ... panel 1 Remove the screw on the partition plate 2 and remove the partition plate 2 2 Remove the 5 screws and remove the wire fixing plate 3 Disconnect the connecting wires Step Procedure Points R13650 Partition plate 2 Rear panel R13651 Wire fixing plate R13652 ...

Page 14: ...sembling attach the resin clamp as below 6 Remove the water heater thermistor 7 Pull out the holder of the outdoor temperature thermistor The holder is secured in the clearances of the outdoor heat exchanger fins Step Procedure Points R13653 S402 R13654 Resin clamp Good Wrong R15739 R15740 Water heater thermistor R10388 Outdoor temperature thermistor ...

Page 15: ...or Unit Removal Procedure 13 8 Release the thermistor wire from the groove 9 Remove the 3 screws on the rear panel 10 Remove the screw on the bottom frame Step Procedure Points Groove R10389 Rear panel R13656 R13657 ...

Page 16: ... Removal Procedure 11 Remove the screw on the stop valve mounting plate 12 Lift the rear panel upwards to unfasten the 2 hooks 13 Remove the rear panel Step Procedure Points Stop valve mounting plate R13658 R13659 Hook R13660 ...

Page 17: ... minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Cut the 2 clamps 2 Disconnect the connector S70 S70 fan motor 3 Release the fan motor lead wire from the 5 hooks When reassembling do not use these 2 hooks Clamp R13661 S70 R13662 R13663 Fan motor lead wire ...

Page 18: ... remove the lower screws first If the upper screws are removed first the fan motor may tilt or fall because its centre of gravity shifts to the front It may cause injuries 6 Remove the fan motor When reassembling make sure that the wire harness is facing downwards Step Procedure Points 2 1 R13664 Fan motor R13665 R6444 Harness ...

Page 19: ...an motor lead wire from the 5 hooks When reassembling do not use these 2 hooks 3 Disconnect the connectors for the electronic expansion valve coils S20 S21 S22 Pull out the clamp S20 white room A S21 red room B S22 blue room C When reassembling insert the clamps into the small holes as below S70 R13662 R13663 Fan motor lead wire S20 S21 S22 R15741 Clamp R13762 Electronic expansion valve coils Gas ...

Page 20: ... out the clamp S80 four way valve coil 5 Disconnect the connector S92 Pull out the clamp S92 gas pipe thermistors each room water heater 6 Disconnect the connector S90 Pull out the clamp S90 thermistor ASSY Step Procedure Points Clamp S80 R13667 S92 Clamp R13668 S90 Clamp R13669 ...

Page 21: ...n the bottom of the electrical box Pull out the clamp 8 Disconnect the connector S40 Pull out the clamp S40 overload protector high pressure switch 9 Disconnect the relay connector for the compressor 10 Pinch the clamp with pliers Step Procedure Points Hook Clamp R13670 R13671 S40 Clamp R13672 Clamp R13673 ...

Page 22: ...edure 11 Remove the screw on the stop valve mounting plate 12 Remove the screw on the partition plate 1 13 Remove the 2 screws to detach the earth wires Step Procedure Points Stop valve mounting plate R13674 Partition plate 1 R13675 R13676 ...

Page 23: ...t Removal Procedure 21 14 Cut the clamp 15 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor Step Procedure Points R13677 R13678 Outdoor heat exchanger thermistor Clip R13763 ...

Page 24: ...harge pipe thermistor under the sound blanket top upper Be careful not to lose the clip for the thermistor 17 Lift up the electrical box and remove it Step Procedure Points R13679 Sound blanket top upper Discharge pipe thermistor R13764 Clip Electrical box R13680 ...

Page 25: ...re disassembling work Step Procedure Points 1 Remove the electrical box cover 1 Peel off the filament tape 2 Unfasten the 4 hooks and remove the electrical box cover The hooks are marked with W 2 Remove the filter PCB S401 to main PCB 1 Disconnect the connector S401 Filament tape R13681 Hook Hook R13682 R6427 1 2 3 1 2 3 1 2 3 A L N POWER SUPPLY B C S401 R13683 ...

Page 26: ...PCB 3 Remove the screw and release the earth 4 Pull out the 6 spacers with pliers and remove the filter PCB Step Procedure Points 1 2 3 1 2 3 1 2 3 A L N POWER SUPPLY B C S404 R13684 1 2 3 1 2 3 1 2 3 A L N POWER SUPPLY B C R13685 1 2 3 1 2 3 1 2 3 A L N POWER SUPPLY B C Filter PCB R13686 ...

Page 27: ...isconnect the connector S102 2 Disconnect the connector S52 S52 to main PCB 3 Unfasten the 2 hooks and remove the service monitor PCB 4 Remove the main PCB 1 Remove the screw Step Procedure Points 1 2 3 1 2 3 A B S102 R13687 1 2 3 1 2 3 A B S52 R13688 1 2 1 2 A B Service monitor PCB R13689 R13690 ...

Page 28: ... Si121177 26 Removal Procedure 2 Unfasten the hook 3 Open the terminal board 4 Disconnect the connectors Step Procedure Points R13691 Terminal board R13692 R15742 blue blue white black brown red white yellow black ...

Page 29: ...dure 27 5 Disconnect the 2 connectors for the reactor HR1 HR2 HR1 white HR2 blue 6 Release the harnesses from the hook 7 Release the harnesses from the hook 8 Remove the 3 screws Step Procedure Points R13694 HR1 HR2 R13695 R13696 R13697 ...

Page 30: ...Outdoor Unit Si121177 28 Removal Procedure 9 Unfasten the 4 hooks and remove the main PCB Step Procedure Points Main PCB S51 S40 S20 S70 S90 S21 S22 S92 S93 S10 S80 HR2 HR1 R13698 ...

Page 31: ...dure 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 screw of the resin clamp 2 Remove the 3 screws of the reactor 3 Remove the reactor Resin clamp R13699 Reactor R13700 R13701 ...

Page 32: ...power supplies before disassembling work Step Procedure Points 1 Remove the screw and remove the four way valve coil 2 Disconnect the relay connector for the high pressure switch lead wire 3 Remove the high pressure switch lead wire R15743 Four way valve coil High pressure switch lead wire R13768 High pressure switch lead wire R13703 High pressure switch ...

Page 33: ...electronic expansion valve coils 5 Cut the clamps of the gas pipe thermistor 6 Pull out the gas pipe thermistors Step Procedure Points Electronic expansion valve coil R13704 R13705 Gas pipe thermistor for water heater Gas pipe thermistors for each room R15744 ...

Page 34: ...ll power supplies before disassembling work Step Procedure Points 1 Remove the 2 sound blankets top upper top inner The sound blanket is fragile Carefully pass the blanket through the discharge pipe 2 Open the sound blanket outer 3 Remove the sound blanket outer Sound blanket top upper Sound blanket top inner R13710 Sound blanket outer R13711 R13712 ...

Page 35: ...Unit Removal Procedure 33 4 Remove the sound blanket inner through the mufflers The sound blanket is fragile Be careful of the notches of the compressor mount 3 locations Step Procedure Points Sound blanket inner R13713 ...

Page 36: ...rning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Disconnect the 3 lead wires of the compressor 3 Remove the overload protector 4 Remove the bushing 5 Remove the 3 nuts Terminal cover R13714 Overload protector R15746 Lead wires Red U Yellow V Blue W R12436 Bushing R13716 R13718 ...

Page 37: ...he 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 tube cutter in...

Page 38: ... for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws and remove the heater cover 2 Pull out the water heater thermistor 3 Disconnect the connector of the water heater cable Heater cover R13719 R13720 Water heater thermistor R13721 R13722 ...

Page 39: ...Revision History Month Year Version Revised contents 08 2012 Si121177 First edition ...

Page 40: ...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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