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Daikin RKN25KEVM, Removal Procedure

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Daikin RKN25KEVM Removal Procedure Download Page 17

Si001170

Removal of Electrical Box / PCB

Removal Procedure

15

2

Cut the clamp.

„

When reassembling, fix the 
outdoor heat exchanger 
lead wire and the harness of 
the electronic expansion 
valve with a clamp.

3

Pull out the outdoor 
heat exchanger 
thermistor.

4

Remove the thermistor 
ASSY.

Step

Procedure

Points

(R14896)

Outdoor heat exchanger thermistor

(R14897)

(R14898)

Summary of Contents for RKN25KEVM

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Pair Type 2 5 3 5 kW Class Si001170...

Page 2: ...Service Manual Removal Procedure Outdoor Unit Applicable Models zCooling Only RKN25KEVM RKN35KEVM...

Page 3: ...Outer Panels 2 2 Removal of Outdoor Fan Fan Motor 4 3 Removal of Electrical Box PCB 7 4 Removal of Sound Blankets 16 5 Removal of Electronic Expansion Valve 18 6 Removal of Compressor 19 Note The ill...

Page 4: ...isassembling work Step Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the outdoor heat exchanger 2 Remove the panels 1 Remove the 3 screws right 1 screw left 2...

Page 5: ...Si001170 Removal of Outer Panels Removal Procedure 3 4 Unfasten the 10 hooks and remove the discharge grille Step Procedure Points R14856 Discharge grille...

Page 6: ...the Removal of Outer Panels Nut size M8 1 2 Remove the nut of the outdoor fan Remove the outdoor fan When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft 2 Rem...

Page 7: ...r screws 4 Remove the 2 lower screws When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 5 Remove the fan motor fixing frame...

Page 8: ...fan motor fixing frame and cut the 2 clamps Do not cut the clamp A When reassembling place the clamp A under the clamp B 7 Release the fan motor lead wire 8 Remove the 4 screws and remove the fan moto...

Page 9: ...he right side panel Preparation Remove the panels according to the Removal of Outer Panels 1 Unhook the outdoor temperature thermistor 2 Remove the 2 screws and remove the terminal cover 3 Remove the...

Page 10: ...1170 8 Removal Procedure 6 Remove the 2 screws on the rear side of the right side panel 7 Remove the 5 screws on the right side panel 8 Lift the electrical box Step Procedure Points R14871 Right side...

Page 11: ...nel When reassembling make sure to fit the hook 2 Remove the electrical box 1 black upper 2 white lower 3 red upper green lower 1 Pull out the terminals from the terminal board 2 Remove the screw and...

Page 12: ...Release the fan motor lead wire from the hook 4 Release the fan motor lead wire from the hooks 5 Disconnect the connector for the overload protector S40 6 Disconnect the connectors S20 S90 S20 electr...

Page 13: ...he harnesses of S20 and S90 from the groove 8 Disconnect the relay connector 9 Disconnect the 2 terminals of the reactor 10 Release the harnesses of the reactor and the relay connector from the groove...

Page 14: ...elease the harnesses of the terminals and the earth wire from the groove 12 Remove the electrical box cover and the insulation sheet 13 Remove the 5 screws 14 Unfasten the hook Step Procedure Points R...

Page 15: ...ocedure 13 15 Remove the PCB S20 electronic expansion valve S40 overload protector S70 fan motor S90 thermistors 16 Remove the 2 screws 17 Remove the electrical box Step Procedure Points R14889 PCB R1...

Page 16: ...reactor 1 Remove the 3 screws of the reactor 2 Remove the reactor 4 Remove the thermistor ASSY Be careful not to lose the clip for the thermistor 1 Remove the discharge pipe thermistor Step Procedure...

Page 17: ...When reassembling fix the outdoor heat exchanger lead wire and the harness of the electronic expansion valve with a clamp 3 Pull out the outdoor heat exchanger thermistor 4 Remove the thermistor ASSY...

Page 18: ...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 1 Remove the partition plate 1 Remove the...

Page 19: ...e piping ports on the sound blanket are torn easily remove the blanket carefully 1 Lift and remove the sound blanket top 2 Pull the sound blankets outer out 3 Pull the sound blanket inner out Step Pro...

Page 20: ...Caution From the viewpoint of global environment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Cautions for restoration 1 Restore the p...

Page 21: ...0 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the peripheries 1 Remove the terminal cover 2 Remove the protection bushing 3 Disconnect...

Page 22: ...ating Keep below 120 C 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 order to m...

Page 23: ...Revision History Month Year Version Revised contents 08 2012 Si001170 First edition...

Page 24: ...ries 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 acce...

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