Daikin RXZ25NV1B Service Manual
  1. Manuals
  2. Brands
  3. Daikin Manuals
  4. Heat Pump
  5. RXZ25NV1B
  6. Service manual

Daikin RXZ25NV1B Service Manual

Hide thumbs Also See for RXZ25NV1B:
Table of Contents

Advertisement

Quick Links

Si001362E
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
2.5/3.5/5.0 kW Class
Outdoor Unit
Inverter
Pair Type

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RXZ25NV1B and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Daikin RXZ25NV1B

Summary of Contents for Daikin RXZ25NV1B

  • Page 1 Si001362E REMOVAL PROCEDURE S E R V I C E M A N U A L 2.5/3.5/5.0 kW Class Outdoor Unit Inverter Pair Type...
  • Page 2 Service Manual Removal Procedure Outdoor Unit Heat Pump RXZ25NV1B RXZ35NV1B RXZ50NV1B...

  • Page 3: Table Of Contents

    Si001362E Table of Contents 1. Humidifier Unit..................2 2. Heater Assembly..................4 3. Humidifying Rotor Motor .................6 4. Hygroscopic Fan Motor ................7 5. Humidifier Fan Assembly / Damper Assembly........8 6. Discharge Grille / Suction Grilles ............10 7. Outer Panels / Outdoor Fan / Fan Motor..........11 8.

  • Page 4: Humidifier Unit

    Humidifier Unit Si001362E 1. Humidifier Unit Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Appearance Features Humidifier unit discharge Humidifier unit air outlet (front) air inlet (front) Humidifier unit (R19564)
  • Page 5 Si001362E Humidifier Unit Step Procedure Points 3. Remove the humidifier unit. Disconnect the relay connectors of each harness. Relay connector (R19568) Remove the 4 screws When reassembling the and remove the Humidifier unit humidifier unit, do not forget humidifier unit. to connect the relay connectors.

  • Page 6: Heater Assembly

    Heater Assembly Si001362E 2. Heater Assembly Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Inner structure of the humidifier unit Duct (adsorption side) Hygroscopic fan motor harness Hook Humidifying...
  • Page 7 Si001362E Heater Assembly Step Procedure Points Remove the 2 screws and remove the heater assembly. Heater assembly (R19574) Unfasten the projection When reassembling, insert of the heater assembly the projection of the heater from the slit on the assembly to the slit on the Support plate support plate.

  • Page 8: Humidifying Rotor Motor

    Humidifying Rotor Motor Si001362E 3. Humidifying Rotor Motor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the humidifying rotor. Release the hygroscopic fan motor lead wire from the hook.

  • Page 9: Hygroscopic Fan Motor

    Si001362E Hygroscopic Fan Motor 4. Hygroscopic Fan Motor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the hygroscopic Nut size: M6 fan. Remove the nut and remove the hygroscopic 10 mm fan.

  • Page 10: Humidifier Fan Assembly / Damper Assembly

    Humidifier Fan Assembly / Damper Assembly Si001362E 5. Humidifier Fan Assembly / Damper Assembly Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the 6 screws. (R19583) Unfasten the 2 hooks while bending the right...
  • Page 11 Si001362E Humidifier Fan Assembly / Damper Assembly Step Procedure Points Remove the 2 screws. (R19586) Separate the humidifier The humidifying fan fan assembly from the assembly should be damper assembly. replaced as an assembly set. (Disassembling of the assembly can cause a noise.) Humidifier fan assembly...

  • Page 12: Discharge Grille / Suction Grilles

    Discharge Grille / Suction Grilles Si001362E 6. Discharge Grille / Suction Grilles Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the discharge grille (upper). Remove the 2 screws and remove the discharge grille (upper).

  • Page 13: Outer Panels / Outdoor Fan / Fan Motor

    Si001362E Outer Panels / Outdoor Fan / Fan Motor 7. Outer Panels / Outdoor Fan / Fan Motor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Procedure Points Step 1.
  • Page 14 Outer Panels / Outdoor Fan / Fan Motor Si001362E Step Procedure Points 3. Remove the outdoor fan. Disconnect the [S70]: fan motor Hook [S70] connector [S70]. Release the fan motor lead wire from the 5 hooks. Hook (R19596) Remove the nut and Nut size: M6 remove the outdoor fan.
  • Page 15 Si001362E Outer Panels / Outdoor Fan / Fan Motor Step Procedure Points 4. Remove the fan motor. Unfasten the 2 hooks and release the fan motor lead wire. Hook (R19598) Remove the 4 screws Be sure to remove the lower and remove the fan screws first.

  • Page 16: Duct Assembly / Right Side Panel

    Duct Assembly / Right Side Panel Si001362E 8. Duct Assembly / Right Side Panel Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Disconnect the wires. Remove the screws and disconnect the connecting wire and...
  • Page 17 Si001362E Duct Assembly / Right Side Panel Step Procedure Points Slide the suction grille to the right. (R19603) Unfasten the 5 hooks When reassembling, make and remove the suction sure to fit the 5 hooks. grille. (R19604) 4. Remove the right side Outdoor temperature thermistor panel.

  • Page 18: Electrical Box

    Electrical Box Si001362E 9. Electrical Box Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the electrical box cover. Release the harnesses for the humidifier unit from the hook.
  • Page 19 Si001362E Electrical Box Step Procedure Points 2. Disconnect the harnesses. Hook Disconnect the [S70]: fan motor [S70] connector [S70]. Release the fan motor harness from the 5 hooks. Hook (R19610) Disconnect the [S20]:electronic expansion [S20] connectors valve coil [S80] [S20][S80][S91]. [S80]:four way valve coil [S91] [S91]:liquid pipe thermistor...
  • Page 20 Electrical Box Si001362E Step Procedure Points Disconnect the 4 When reassembling, match terminals from the the color of the sleeve with reactor. the label on the reactor. right: yellow left: red You can connect 2 harnesses of the same color into either upper or lower.

  • Page 21: Pcb

    Si001362E 10. PCB Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the screw and Hook remove the terminal board. Remove the screw and detach the earth / ground wire.
  • Page 22 Si001362E Step Procedure Points Remove the 9 screws. (R19620) Lift up the PCB and In working, be careful not to remove it. break the PCB with the excessive force because the PCB and the radiation fin are adhered to one another.

  • Page 23: Reactor / Thermistor Assembly / Partition Plate

    Si001362E Reactor / Thermistor Assembly / Partition Plate 11. Reactor / Thermistor Assembly / Partition Plate Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the reactor. Remove the screw and Reactor remove the reactor.
  • Page 24 Reactor / Thermistor Assembly / Partition Plate Si001362E Step Procedure Points 3. Release the discharge Since the piping ports on Sound blanket (top) pipe thermistor. the sound blanket are torn easily, remove the sound Open the sound blanket blanket carefully. (top).
  • Page 25 Si001362E Reactor / Thermistor Assembly / Partition Plate Step Procedure Points 5. Remove the partition plate. Remove the 2 screws and remove the partition plate. Partition plate (R19629) The partition plate is fixed by a hook on the bottom frame. Hook (R19630) Removal Procedure...

  • Page 26: Sound Blankets

    Sound Blankets Si001362E 12. Sound Blankets Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the sound Since the piping ports on Sound blanket (top) blanket (top). the sound blanket are torn easily, remove the blanket carefully.

  • Page 27: Four Way Valve / Electronic Expansion Valve

    Si001362E Four Way Valve / Electronic Expansion Valve 13. Four Way Valve / Electronic Expansion Valve Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
  • Page 28 Four Way Valve / Electronic Expansion Valve Si001362E Step Procedure Points Remove the putties and Be careful so as not to burn Shield plate shield plate. the compressor terminals or the name plate. (R19636) Remove the terminal Terminal Compressor cover cover and the U (red) lead wire...
  • Page 29 Si001362E Four Way Valve / Electronic Expansion Valve Step Procedure Points Heat up the 2 brazed Electronic expansion valve parts of the electronic expansion valve in the order of (e) (f). (R19639) Remove the electronic expansion valve. (R19640) Removal Procedure...

  • Page 30: Compressor

    Compressor Si001362E 14. Compressor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
  • Page 31 Si001362E Compressor Step Procedure Points Remove the 2 nuts. (R19641) Heat up the 2 brazed parts of the discharge side and disconnect. (R19642) Heat up the 2 brazed parts of the suction side of the accumulator and disconnect. (R19643) Removal Procedure...
  • Page 32 Compressor Si001362E Step Procedure Points Lift the compressor and remove it. Compressor (R19644) Removal Procedure...
  • Page 33 Revision History Month / Year Version Revised contents 03 / 2014 Si001362E First edition...
  • Page 34 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.

This manual is also suitable for:

Rxz35nv1bRxz50nv1b

Table of Contents