Daikin RKM33NV2S Service Manual Download Page 14 | Manualshive

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Fan Motor

Si001272EC

12

Removal Procedure

4. Fan Motor

Warning

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

Step

Procedure

Points

1

Cut the 2 clamps.

2

3

Remove the 2 bottom
screws.

Remove the 2 top
screws.

Be sure to remove the
bottom screws first. If the top
screws are removed first, the
fan motor may tilt down or
fall and cause injury.

4

Remove the fan motor.

When reassembling, make
sure that the wire harness is
facing downward.

(R9630)

Top screw

Bottom screw

(R24012)

Fan motor

(R6443)

Harness

(R6444)

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Summary of Contents for RKM33NV2S

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Pair Type 6 0 7 0 7 1 8 0 8 5 9 0 kW Class 33000 Btu h Class Si001272EC ...

Page 2: ...ice Manual Removal Procedure Outdoor Unit zCooling Only zHeat Pump RKM33NV2S RXM71NVLT RXM80NVLT RKS33JV2S RXM90NVLT RKS85HVM RXS60KBVMA RKS85JVMG RXS70MVLT RXS80MVLT RKS70MVLT RXS90MVLT RKS80MVLT RKS90MVLT ...

Page 3: ... Outer Panels 2 2 Electrical Box 7 3 PCBs 10 4 Fan Motor 12 5 Coils Thermistors 13 6 Sound Blankets 15 7 Compressor 16 Note The illustrations may be slightly different depending on the model The illustrations are for heat pump models as representative ...

Page 4: ...or heat exchanger fins 1 2 Unfasten the 3 hooks at the top Unfasten the 3 hooks at the middle 3 Unfasten the 3 hooks at the bottom and remove the suction grille 2 Remove the top and right side panels 1 2 Remove the 9 screws and then the top panel Remove the 5 screws on the right side panel 3 4 Slide the right side panel downward to unfasten the 2 hooks on the back side Remove the right side panel ...

Page 5: ... the outdoor fan before removing the front panel 1 1 2 Remove the 4 screws on the discharge grille Pull the bottom of the discharge grille and remove it 3 Remove the nut and then the outdoor fan Nut size M8 When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft Step Procedure Points Front panel 2 Hook R23986 R16718 Discharge grille Front panel 1 R18039 R18880...

Page 6: ... 4 5 Remove the 5 screws on the front side Remove the screw at the bottom of the left side 6 Remove the screw at the bottom of the back side 7 Release the hook and remove the front panel 1 Step Procedure Points R18040 R9602 R24010 Front panel 1 ...

Page 7: ... the wire fixture 4 5 Remove the 7 screws of the terminal block Detach the connecting wire and the power supply wire 6 Remove the 5 screws When the unit has an auxiliary heat exchanger remove the 4 screws Step Procedure Points Rear panel Partition plate 2 R16720 R18882 Wire fixture Connecting wire Power supply wire Terminal block R23987 Rear panel R18043 Rear panel R18883 Auxiliary heat exchanger ...

Page 8: ...l upward to unfasten the 2 hooks 9 Release the hooks on the inner side of the rear panel and detach the outdoor temperature thermistor holder 10 Remove the rear panel Step Procedure Points R18073 Hook Stop valve mounting plate Outdoor temperature thermistor holder Inner side of the rear panel R23988 Rear panel R16640 ...

Page 9: ...emove the 2 screws to detach the earth ground wires 4 5 Disconnect the connector S70 Release the 4 clamps attached to the electrical box S70 fan motor When reassembling insert each clamp into the hole Some models do not have a harness for four way valve coil Partition plate 1 R16917 Earth ground wire Stop valve mounting plate R18969 S70 R23989 For the electronic expansion valve coil harness For th...

Page 10: ... expansion valve coil S80 four way valve coil S90 thermistors The cooling only models do not have a harness for S80 8 Pull out the clamp and release the compressor lead wire from the partition plate 1 9 Disconnect the relay connector for the overload protector and the compressor Step Procedure Points R18249 Fan motor lead wire S20 S90 S80 R9622 R24011 Clamp Partition plate 1 R9625 ...

Page 11: ...ull out the clamp of the thermistor harness from the hole of the electrical box 12 13 Slide the electrical box leftward to unfasten the hook Lift up and remove the electrical box Step Procedure Points Fixing position for the thermistor harness Hook R23991 When reassembling insert the clamp into the hole Hook Electrical box R23992 ...

Page 12: ...cal box Release the 4 hooks indicated by 2 Disconnect the connectors S52 and S102 from the service monitor PCB S52 S102 main PCB 3 Detach the 4 clamps with pliers and remove the service monitor PCB 4 5 Remove the screws of the terminal board and the earth ground wire Unfasten the hook on the right Cover R9611 R6427 Service monitor PCB S52 S102 R16707 Clamp R16708 Terminal board Earth ground wire H...

Page 13: ...1 White N2 Blue 8 Disconnect the 2 harnesses for the reactor HR1 and HR2 HR1 white HR2 blue The harness for HR2 has a ferrite core 9 10 Remove the 3 screws of the main PCB Release the 4 hooks 11 Lift up and remove the main PCB Step Procedure Points R18053 1 2 3 L1 N1 N2 L2 HR1 HR2 Ferrite core R5286 R18054 Hook Hook R5289 Main PCB ...

Page 14: ...edure Points 1 Cut the 2 clamps 2 3 Remove the 2 bottom screws Remove the 2 top screws Be sure to remove the bottom screws first If the top screws are removed first the fan motor may tilt down or fall and cause injury 4 Remove the fan motor When reassembling make sure that the wire harness is facing downward R9630 Top screw Bottom screw R24012 Fan motor R6443 Harness R6444 ...

Page 15: ...lip for the thermistor 1 Pull out the outdoor heat exchanger thermistor 2 3 Slightly open the sound blanket outer Remove the sound blanket top upper You can remove the thermistors without removing the electrical box 1 Disconnect S90 from the electrical box main PCB 2 Release the thermistor harness from the hook at the bottom of electrical box 3 Pull out the clamp of the thermistor harness from the...

Page 16: ...perature thermistor holder 6 Release the outdoor temperature thermistor 3 Remove the four way valve coil The cooling only models have no four way valve coil 1 Remove the screw and then the four way valve coil Step Procedure Points R9635 Discharge pipe thermistor Fixture R21395 Outdoor temperature thermistor holder R9636 Outdoor temperature thermistor R9637 R18076 Four way valve coil ...

Page 17: ...it carefully The design of the sound blankets varies depending on the model Since piping ports are torn easily remove the sound blanket carefully 3 4 Remove the screw and slightly push the partition plate 1 to the left for easy work Remove the sound blanket outer 5 Remove the sound blanket inner The sound blanket is fragile Be careful of the notches of the compressor mount 4 locations R18077 Sound...

Page 18: ...e 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 pipes may get...

Page 19: ...ires Remove the overload protector OL 4 Heat up the 2 brazed parts and withdraw the pipings with pliers Some models have putties Make sure to remove the putties beforehand 5 6 Remove the 3 nuts Remove the compressor Step Procedure Points W blue U red V yellow OL R9471 R9646 R7021 ...

Page 20: ...ion Revised contents 11 2012 Si001272 First edition 04 2013 Si001272_A Model addition RKS33JV2S RKS85HVM RKS85JVMG RK X S70 80 90MVLT 08 2015 Si001272EB Model addition RKM33NV2S RXM71 80 90NVLT 09 2016 Si001272EC Correction of errors ...

Page 21: ...ies 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 instructio...

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