Related Manuals for Daikin RKD24HV2S
Summary of Contents for Daikin RKD24HV2S
- Page 1 Si001168 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...
- Page 2 Service Manual Removal Procedure Outdoor Unit Applicable Models Cooling Only RKD24HV2S RKD28HV2S...
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Page 3: Table Of Contents
Si001168 Table of Contents 1. Removal of Outer Panels ................2 2. Removal of Electrical Box ..............15 3. Removal of PCBs..................20 4. Removal of Fan Motor................25 5. Removal of Electronic Expansion Valve Coil / Thermistors ....26 6. Removal of Reactor ................28 7. -
Page 4: Removal Of Outer Panels
Removal of Outer Panels Si001168 1. Removal of Outer Panels Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Appearance features (R6182) 2. Remove the suction grille. The hooks are secured in Rear side Suction grille... - Page 5 Si001168 Removal of Outer Panels Step Procedure Points 3. Remove the top panel. Remove the 4 screws Top panel on the back and the screw on the left side. (R6373) Remove the 2 screws on the front and the screw on the right side panel.
- Page 6 Removal of Outer Panels Si001168 Step Procedure Points 4. Remove the right side Right side panel panel. Remove the 5 screws. (R17071) Slide the right side panel downward to unfasten the 2 hooks on the rear side. (R6191) Hook (R17072) Hook (R17073) Removal Procedure...
- Page 7 Si001168 Removal of Outer Panels Step Procedure Points Remove the right side panel. (R6194) 5. Remove the front panel Front Panel (2) Remove the 2 screws. Front Panel (1) :This screw is M5(3) × 16 (R17096) Slide the front panel (2) downward to unfasten the hooks.
- Page 8 Removal of Outer Panels Si001168 Step Procedure Points Remove the front panel (2). Hook (R17074) 6. Remove the front panel Remove the discharge grille and the outdoor fan before Front removing the front panel (1). Remove the 4 screws Panel (1) on the discharge grille.
- Page 9 Si001168 Removal of Outer Panels Step Procedure Points Remove the discharge grille. (R6204) Remove the nut of the Nut size : M8 outdoor fan. 13 mm (R12301) Outdoor fan (R16878) Remove the 2 screws on the partition plate Partition plate (1) (1).
- Page 10 Removal of Outer Panels Si001168 Step Procedure Points Remove the screw at the bottom left of the front. (R16880) Remove the screw at the bottom of the left side. (R6208) Remove the screw at the bottom of the rear side. (R6209) Removal Procedure...
- Page 11 Si001168 Removal of Outer Panels Step Procedure Points Lift the front panel (1). The front panel (1) has a hook on its front. Hook (R16881) Remove the front panel (1). Be sure to detach the front panel (1) carefully so as not to deform it.
- Page 12 Removal of Outer Panels Si001168 Step Procedure Points 7. Remove the rear panel. Remove the screw on the partition plate (2). Rear panel Partition plate (2) (R16883) Slide the partition plate (2) to the left and remove it. Hook (R16884) Removal Procedure...
- Page 13 Si001168 Removal of Outer Panels Step Procedure Points Remove the 3 screws on the wire fixing plate. (R16885) Remove the wire fixing Remove the screws of the plate and the insulation. terminal board and earth wire to disconnect the connection wires. Insulation Wire fixing plate...
- Page 14 Removal of Outer Panels Si001168 Step Procedure Points Release the holder of The holder is secured in the the outdoor clearances of the outdoor Holder temperature thermistor. heat exchanger fins. (R16887) Release the harness of the outdoor Thermistor temperature thermistor from the groove.
- Page 15 Si001168 Removal of Outer Panels Step Procedure Points Remove the screw on the bottom frame. (R17097) Remove the screw on the stop valve mounting Stop valve mounting plate plate. (R17098) Lift the rear panel upward to unfasten the 2 hooks. Hook (R17099) Removal Procedure...
- Page 16 Removal of Outer Panels Si001168 Step Procedure Points Remove the rear panel. (R17100) Removal Procedure...
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Page 17: Removal Of Electrical Box
Si001168 Removal of Electrical Box 2. Removal of Electrical Box Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the screw on the stop valve mounting plate. - Page 18 Removal of Electrical Box Si001168 Step Procedure Points Open the cover of the Unfasten the four hooks. The electrical box. hooks are marked with (R17077) (R17078) Disconnect the fan motor connector [S70]. [S70] (R6227) Release the fan motor lead wire. (R6228) Removal Procedure...
- Page 19 Si001168 Removal of Electrical Box Step Procedure Points Disconnect the connector for the [S20] electronic expansion valve coil [S20]. When reassembling, insert the clamps of the thermistor ASSY into the hole as below. (R16893) Disconnect the connector for the [S90] thermistors [S90].
- Page 20 Removal of Electrical Box Si001168 Step Procedure Points 10 Release the thermistor harnesses from the hook on the bottom of the electrical box and then pull out the clamp. Clamp When reassembling, insert the clamp of the reactor Hook harness into the hole as below.
- Page 21 Si001168 Removal of Electrical Box Step Procedure Points 13 Disconnect the relay connector for the compressor. (R17106) 14 Slide the electrical box to the left to unfasten the hook on the right side. (R17107) 15 Lift up the electrical box and remove it.
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Page 22: Removal Of Pcbs
Removal of PCBs Si001168 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. Remove the main PCB. Remove the screw. (R6340) Unfasten the 2 hooks. - Page 23 Si001168 Removal of PCBs Step Procedure Points Disconnect the [S10] [AC2]: terminal board connectors. [S31] [S32]: SPM [S33] [S71]: inverter PCB (MID) [S51] [S101]: service monitor [S91]: radiation fin thermistor [H1] [H2]: diode bridge [AC1] [E]: power supply PCB (R6343) Remove the main PCB.
- Page 24 Removal of PCBs Si001168 Step Procedure Points Disconnect the connectors for the compressor. brown yellow blue (R17080) Remove the 7 screws. (R6348) Lift the inverter PCB (MID) upward and Inverter PCB remove it. (R16895) Removal Procedure...
- Page 25 Si001168 Removal of PCBs Step Procedure Points 3. Remove the SPM. Remove the 2 screws. (R6350) Remove the 3 screws. (R17082) Remove the diode bridge. Diode bridge (R17083) Remove the SPM. (R6354) Removal Procedure...
- Page 26 Removal of PCBs Si001168 Step Procedure Points 4. Remove the service Hook Terminal board monitor PCB. Release the harness from the hook. [S52] Disconnect the connectors [S52] [S102] from the service monitor PCB. [S102] Remove the service monitor PCB. (R17084) Remove the screw of the terminal board.
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Page 27: Removal Of Fan Motor
Si001168 Removal of Fan Motor 4. Removal of Fan Motor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the 2 lower Be sure to remove the lower screws first. -
Page 28: Removal Of Electronic Expansion Valve Coil / Thermistors
Removal of Electronic Expansion Valve Coil / Thermistors Si001168 5. Removal of Electronic Expansion Valve Coil / Thermistors Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. - Page 29 Si001168 Removal of Electronic Expansion Valve Coil / Thermistors Step Procedure Points Slightly open the sound blanket (outer). Sound blanket (outer) (R16898) Remove the sound blanket (top upper). Sound blanket (top upper) (R16899) Remove the discharge Be careful not to lose the pipe thermistor.
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Page 30: Removal Of Reactor
Removal of Reactor Si001168 6. Removal of Reactor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the screw. (R16901) Lift the reactor to unfasten the hooks, and Reactor remove the reactor. -
Page 31: Removal Of Sound Blankets
Si001168 Removal of Sound Blankets 7. Removal of Sound Blankets Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Open the sound blanket (outer). Sound blanket (outer) (R17085) Remove the sound The sound blanket is fragile. - Page 32 Removal of Sound Blankets Si001168 Step Procedure Points Remove the sound blanket (outer). Sound blanket (outer) (R16905) Remove the sound The sound blanket is fragile. blanket (top lower). Carefully pass the discharge pipe through it. Sound blanket (top lower) (R17087) Open the sound blanket (inner).
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Page 33: Removal Of Compressor
Si001168 Removal of Compressor 8. Removal of Compressor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the terminal cover. Terminal cover (R16907) Pull out the 4 lead U(red) wires. - Page 34 Removal of Compressor Si001168 Step Procedure Points Before working, make sure that the refrigerant Warning gas is empty in the circuit. Be careful not to get yourself Be sure to apply nitrogen burnt with the pipes and other replacement when parts that are heated by the heating up the brazed gas brazing machine.
- Page 35 Revision History Month / Year Version Revised contents 08/2012 Si001168 First edition...
- Page 36 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 unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.