Daikin RXN25KEV1B Service Manual Download | Manualshive

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Si001161

Removal of Electrical Box / PCB

Removal Procedure

13

2

Cut the clamp.

When reassembling, clamp
the outdoor heat exchanger
thermistor.

3

Release the outdoor
heat exchanger
thermistor.

Take care not to lose the clip
of thermistor.

Step

Procedure

Points

(R15890)

Outdoor
heat exchanger thermistor

(R14520)

Clip

Clip

(R11268)

Thermistor

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13
14
15
16
17
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Summary of Contents for RXN25KEV1B

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 2 5 3 5 kW Class Outdoor Unit Inverter Pair Type Si001161...

Page 2: ...Service Manual Removal Procedure Outdoor Unit Applicable Models zHeat Pump RXN25KEV1B RXN35KEV1B RXN425KC RXN435KC...

Page 3: ...val of Outer Panels 2 2 Removal of Outdoor Fan Fan Motor 4 3 Removal of Electrical Box PCB 6 4 Removal of Sound Blankets 14 5 Removal of Four Way Valve 16 6 Removal of Compressor 19 Note The illustrat...

Page 4: ...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 The stop valve cover is united with the shield plate Whe...

Page 5: ...move the 5 screws of the front panel 4 Lift up the left side and unfasten the hooks 5 Unfasten the right side hooks and remove the front panel 6 7 Remove the 4 screws of the discharge grille Unfasten...

Page 6: ...move 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 Remove the fan motor S70 fan motor When reassembl...

Page 7: ...the back of the fan motor so as not to be entangled with the outdoor fan 5 Release the fan motor lead wire from the hooks When reassembling set the clamped position under the lower hook of the fan mot...

Page 8: ...e the panels according to the Removal of Outer Panels Some models have another wiring for outdoor power receiving system 1 Remove the screws and release the connecting wire 2 Remove the 3 screws and r...

Page 9: ...de panel 7 Remove the 4 screws on the right side panel 8 Unfasten the hook on the rear side When reassembling make sure to fit the hook 9 Release the outdoor temperature thermistor from the outdoor he...

Page 10: ...arth wire 1 black upper 2 white lower 3 red upper green lower 12 Remove the screw and release the earth wire 13 Disconnect the connector S80 S80 four way valve coil The harness of the four way valve c...

Page 11: ...rotector S90 thermistors 15 Release the harnesses of S20 S40 S90 from the groove 16 Disconnect the terminals of the reactor The colors of the harnesses orange or brown do not matter to the position of...

Page 12: ...esses of the relay connector and the reactor from the groove 19 Release the lead wires of the power supply and the earth wire from the groove 20 Remove the electrical box cover and insulation sheet St...

Page 13: ...re 11 21 Remove the 5 screws 22 Unfasten the hook 23 Remove the PCB S20 electronic expansion valve coil S40 overload protector S70 fan motor S80 four way valve coil S90 thermistors Step Procedure Poin...

Page 14: ...e reactor Some models have more screws 1 Remove the screw and remove the reactor 4 Remove the thermistors Pay attention so as not to lose the fixture When reassembling do not insert the thermistor up...

Page 15: ...t the clamp When reassembling clamp the outdoor heat exchanger thermistor 3 Release the outdoor heat exchanger thermistor Take care not to lose the clip of thermistor Step Procedure Points R15890 Outd...

Page 16: ...or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the partition plate Some models have more screws 1 Remove the 2 screws 2 Remove the partition pla...

Page 17: ...fully Some models have only one sound blanket top 1 Lift and remove the sound blankets top upper top lower 2 Pull the sound blankets outer and inner 2 out 3 Pull the sound blanket inner out Since the...

Page 18: ...g off all power supplies before disassembling work Step Procedure Points 1 Remove the peripheries 1 Remove the screw and remove the four way valve coil 2 Remove the terminal cover 3 Disconnect the ter...

Page 19: ...r Way Valve Removal Procedure 17 5 Remove the protection bushing 6 Remove the electronic expansion valve coil 7 Remove the putty Step Procedure Points Protection bushing R14530 Electronic expansion va...

Page 20: ...he 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...

Page 21: ...l 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...

Page 22: ...Revision History Month Year Version Revised contents 08 2012 Si001161 First edition...

Page 23: ...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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