Daikin RKD24GV2S Service Manual Download Page 24 | Manualshive

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Removal of PCBs

Si00-776

22

Removal Procedure

3

Disconnect the
connectors for the
compressor.

4

Remove the 7 screws.

5

Lift the inverter PCB
(MID) upward and
remove it.

Step

Procedure

Points

(R17080)

[N]

brown

[U]

red

[V]

yellow

[W]

blue

(R6348)

(R16895)

Inverter PCB

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Summary of Contents for RKD24GV2S

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 24000 28000 Btu h Class Outdoor Unit Inverter Pair Type Si00 776...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zCooling Only RKD24GV2S RKD28GV2S...

Page 3: ...l of Electrical Box 15 3 Removal of PCBs 20 4 Removal of Fan Motor 26 5 Removal of Electronic Expansion Valve Coil Thermistors 27 6 Removal of Reactor 29 7 Removal of Sound Blankets 30 8 Removal of Co...

Page 4: ...lies before disassembling work Step Procedure Points 1 Appearance features 2 Remove the suction grille The hooks are secured in the clearances of the outdoor heat exchanger fins 1 Unfasten the 2 hooks...

Page 5: ...ove the top panel 1 Remove the 4 screws on the back and the screw on the left side 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 Proc...

Page 6: ...76 4 Removal Procedure 4 Remove the right side panel 1 Remove the 5 screws 2 Slide the right side panel downward to unfasten the 2 hooks on the rear side Step Procedure Points R17071 Right side panel...

Page 7: ...Procedure 5 3 Remove the right side panel 5 Remove the front panel 2 This screw is M5 3 16 1 Remove the 2 screws 2 Slide the front panel 2 downward to unfasten the hooks Step Procedure Points R6194 R...

Page 8: ...scharge grille and the outdoor fan before removing the front panel 1 1 Remove the 4 screws on the discharge grille 2 Pull the bottom of the discharge grille 3 Slide the discharge grille downward to un...

Page 9: ...s Removal Procedure 7 4 Remove the discharge grille 5 Remove the nut of the outdoor fan Nut size M8 6 Remove the 2 screws on the partition plate 1 Step Procedure Points R6204 R16878 Outdoor fan 13 mm...

Page 10: ...s Si00 776 8 Removal Procedure 7 Remove the screw at the bottom left of the front 8 Remove the screw at the bottom of the left side 9 Remove the screw at the bottom of the rear side Step Procedure Poi...

Page 11: ...els Removal Procedure 9 10 Lift the front panel 1 The front panel 1 has a hook on its front 11 Remove the front panel 1 Be sure to detach the front panel 1 carefully so as not to deform it Step Proced...

Page 12: ...Si00 776 10 Removal Procedure 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 R16883 Rear panel Partit...

Page 13: ...3 Remove the 3 screws on the wire fixing plate 4 Remove the wire fixing plate and the insulation Remove the screws of the terminal board and earth wire to disconnect the connection wires Step Procedu...

Page 14: ...emperature thermistor The holder is secured in the clearances of the outdoor heat exchanger fins 6 Release the harness of the outdoor temperature thermistor from the groove 7 Remove the 3 screws on th...

Page 15: ...oval Procedure 13 8 Remove the screw on the bottom frame 9 Remove the screw on the stop valve mounting plate 10 Lift the rear panel upward to unfasten the 2 hooks Step Procedure Points R17097 R17098 S...

Page 16: ...Removal of Outer Panels Si00 776 14 Removal Procedure 11 Remove the rear panel Step Procedure Points R17100...

Page 17: ...0 minutes 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...

Page 18: ...Removal Procedure 4 Open the cover of the electrical box Unfasten the four hooks The hooks are marked with W 5 Disconnect the fan motor connector S70 6 Release the fan motor lead wire Step Procedure P...

Page 19: ...insert the clamps of the thermistor ASSY into the hole as below 8 Disconnect the connector for the thermistors S90 9 Disconnect the connector for the overload protector OL S40 Step Procedure Points R1...

Page 20: ...and then pull out the clamp When reassembling insert the clamp of the reactor harness into the hole as below 11 Disconnect the 2 connectors for the reactor 12 Pull out the 2 clamps to detach the OL l...

Page 21: ...moval Procedure 19 13 Disconnect the relay connector for the compressor 14 Slide the electrical box to the left to unfasten the hook on the right side 15 Lift up the electrical box and remove it Step...

Page 22: ...CBs Procedure 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 main PCB 1 Remove the screw 2 Unfasten th...

Page 23: ...ID S51 S101 service monitor PCB S91 radiation fin thermistor H1 H2 diode bridge AC1 E power supply PCB 5 Remove the main PCB 2 Remove the inverter PCB MID 1 Disconnect the connectors for the reactor L...

Page 24: ...22 Removal Procedure 3 Disconnect the connectors for the compressor 4 Remove the 7 screws 5 Lift the inverter PCB MID upward and remove it Step Procedure Points R17080 N brown U red V yellow W blue R...

Page 25: ...6 Removal of PCBs Removal Procedure 23 3 Remove the SPM 1 Remove the 2 screws 2 Remove the 3 screws 3 Remove the diode bridge 4 Remove the SPM Step Procedure Points R6350 SPM R17082 R17083 Diode bridg...

Page 26: ...e the display PCB 1 Remove the filament tape 2 Remove the drip proof cover 3 Slightly lift the top hooks to detach 4 Undo the bottom hook to remove the display PCB Step Procedure Points R6355 Filament...

Page 27: ...Removal of PCBs Removal Procedure 25 5 Remove the servicing cover off the terminal block assembly 1 2 Remove the screw Lift the hook to detach 3 Open the cover toward yourself Step Procedure Points R6...

Page 28: ...rk Step Procedure Points 1 2 Remove the 2 lower screws first Then remove the 2 top screws Be sure to remove the lower screws first If the top screws are removed first the fan motor may tilt down or fa...

Page 29: ...er 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 of position 2 Remove the t...

Page 30: ...Procedure 2 Slightly open the sound blanket outer 3 Remove the sound blanket top upper 4 Remove the discharge pipe thermistor Be careful not to lose the fixture Step Procedure Points R16898 Sound bla...

Page 31: ...Reactor Procedure 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 2 Lift the reactor to unfasten...

Page 32: ...all power supplies 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 t...

Page 33: ...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 7 Remove the sound bl...

Page 34: ...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 terminal cover 2 Pull out the 4 lead wires 3 Remove th...

Page 35: ...y 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 w...

Page 36: ...Revision History Month Year Version Revised contents 07 2013 Si00 776 First edition...

Page 37: ...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 acc...

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