Daikin FTXZ25NV1B Service Manual
  1. Manuals
  2. Brands
  3. Daikin Manuals
  4. Air Conditioner
  5. FTXZ25NV1B
  6. Service manual

Daikin FTXZ25NV1B Service Manual

Indoor unit removal procedure; 2.5/3.5/5.0 kw class
Hide thumbs Also See for FTXZ25NV1B:

Advertisement

Table of Contents

See also: Service Manual , Operating Manual
Si041361E
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
2.5/3.5/5.0 kW Class
Indoor Unit
Inverter
Wall Mounted Type

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the FTXZ25NV1B and is the answer not in the manual?

Questions and answers

Related Manuals for Daikin FTXZ25NV1B

Summary of Contents for Daikin FTXZ25NV1B

  • Page 1 Si041361E REMOVAL PROCEDURE S E R V I C E M A N U A L 2.5/3.5/5.0 kW Class Indoor Unit Inverter Wall Mounted Type...

  • Page 2: Indoor Unit

    Service Manual Removal Procedure Indoor Unit Heat Pump FTXZ25NV1B FTXZ35NV1B FTXZ50NV1B...

  • Page 3: Table Of Contents

    Si041361E Table of Contents 1. Front Panel....................2 2. Streamer Unit / Dust Box ................3 3. Filters ......................4 4. Front Grilles / Horizontal Blades .............6 5. Electrical Box / PCBs ................10 6. Filter Cleaning Unit................19 7. Humidifying Duct ...................23 8. Swing Motors ..................24 9.

  • Page 4: Front Panel

    Front Panel Si041361E 1. Front Panel 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 (R19803) 2. Remove the front panel. Front panel Open the front panel. (R19804) Slide the left rotary Rotary shaft (left)

  • Page 5: Streamer Unit / Dust Box

    Si041361E Streamer Unit / Dust Box 2. Streamer Unit / Dust Box 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 streamer The streamer unit can be Streamer unit unit.

  • Page 6: Filters

    Filters Si041361E 3. Filters 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 air filter. Pull down the filter holding frame. Filter holding frame (R19813) Turn up the display unit.
  • Page 7 Si041361E Filters Step Procedure Points 3. Remove the air supply filter. Remove the air supply filter. Air supply filter (R19818) Removal Procedure...

  • Page 8: Front Grilles / Horizontal Blades

    Front Grilles / Horizontal Blades Si041361E 4. Front Grilles / Horizontal Blades 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 front grille (left). Open the 2 horizontal blades.
  • Page 9 Si041361E Front Grilles / Horizontal Blades Step Procedure Points 2. Remove the front grille Front grille (right) (right). Remove the 3 screws of the front grille (right). (R19822) Unfasten the 2 hooks and remove the front grille (right). Hook Hook (R19823) 3.
  • Page 10 Front Grilles / Horizontal Blades Si041361E Step Procedure Points Remove the screw and remove the service cover ASSY. Service cover ASSY (R19826) (R19825) Open the air inlet cover. Air inlet cover (R19827) Unfasten the 8 hooks and remove the front grille (bottom).
  • Page 11 Si041361E Front Grilles / Horizontal Blades Step Procedure Points 4. Remove the horizontal blades. Release the center shaft of the horizontal blade (upper). Release the left and right shafts and remove the horizontal blade (upper). Horizontal blade (upper) (R19830) Release the shaft of the horizontal blade (lower) in the same way.

  • Page 12: Electrical Box / Pcbs

    Electrical Box / PCBs Si041361E 5. Electrical Box / PCBs Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Disconnect the connecting wires. Remove the screw and remove the wire fixture.
  • Page 13 Si041361E Electrical Box / PCBs Step Procedure Points Remove the screw and Electrical box slightly draw out the electrical box. (R19837) Release the harnesses from the 3 hooks. Hook Hook (R19838) Disconnect the [S41]: swing motors, humidity [S41] connectors [S41] [S44] sensor PCB for [S44] [S46] and release the...
  • Page 14 Electrical Box / PCBs Si041361E Step Procedure Points Unfasten the 3 hooks Filter cleaning unit and lift the filter cleaning unit. Hook Hook (R19841) Remove the earth / ground screw. (R19842) Detach the indoor heat exchanger thermistor. Indoor heat exchanger thermistor (R19843) Removal Procedure...
  • Page 15 Si041361E Electrical Box / PCBs Step Procedure Points Release the harness of the indoor heat exchanger thermistor from the hook and draw the electrical box a little. Hook (R19844) Disconnect the [S200]: fan motor [S200] connector [S200]. (R19845) Remove the electrical box.
  • Page 16 Electrical Box / PCBs Si041361E Step Procedure Points Remove the 2 screws and remove the earth / ground wires from the hook. Hook Earth / ground wire (R19849) Disconnect the [S33]: humidity sensor PCB for connectors [S33] [S52]. room [S52] [S33] [S52]: high voltage unit PCB Release the harnesses...
  • Page 17 Si041361E Electrical Box / PCBs Step Procedure Points Unfasten the 2 hooks [S32]: indoor heat exchanger and remove the control thermistor PCB. [S33]: humidity sensor PCB for room [S41]: swing motors, humidity sensor PCB for humidifying [S44]: brush motor, filter motors, limit switch for brush [S46]: signal receiver / display [S52]: high voltage unit PCB...
  • Page 18 Electrical Box / PCBs Si041361E Step Procedure Points 5. Remove the high voltage unit PCB. Hook Remove the insulation sheet. High voltage unit PCB Unfasten the hook and remove the high voltage unit PCB. Insulation sheet (R19856) Disconnect the [S401]: for control PCB connectors [S401] [B401][CN403]: streamer [CN403]...
  • Page 19 Si041361E Electrical Box / PCBs Step Procedure Points 6. Remove the limit switch. Unfasten the 4 hooks and remove the cover. Remove the limit Limit switch switch. Hook Cover Hook (R19860) 7. Remove the signal receiver / display PCB. Remove the display unit from the filter cleaning unit.
  • Page 20 Electrical Box / PCBs Si041361E Step Procedure Points Remove the signal [S26]: INTELLIGENT EYE receiver / display PCB. sensor PCBs Signal receiver [S56]: control PCB [S26] [S56] Disconnect the connectors [S26] [S56]. (R19864) 8. Remove the INTELLIGENT EYE sensors. Unfasten the 4 hooks Hook Hook and remove the lamp...

  • Page 21: Filter Cleaning Unit

    Si041361E Filter Cleaning Unit 6. Filter Cleaning Unit 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 cleaning unit. Remove the 2 screws on the both side. (R19869) Unfasten the center hook.
  • Page 22 Filter Cleaning Unit Si041361E Step Procedure Points Remove the screw and remove the motor cover (a). Remove the brush motor. Remove the limit Brush motor Limit switch switch. Motor cover (a) (R19873) 3. Remove the filter motors. Remove the screw. (R19874) Air filter guide motor ASSY Unfasten the hook and...
  • Page 23 Si041361E Filter Cleaning Unit Step Procedure Points Unfasten the 5 hooks on the back. Hook Hook Hook Hook (R19877) Remove the motor cover (b). Motor cover (b) Hook Hook Hook (R19878) Remove the filter motors. Filter motor (right) Filter motor (left) (R19879) 4.
  • Page 24 Filter Cleaning Unit Si041361E Step Procedure Points Remove the 3 screws and remove the Undercover undercover. (R19881) Pull out the drive shaft. Drive shaft (R19882) Remove the screw. (R19883) Unfasten the hook and remove the gear ASSY. Gear ASSY (R19884) Removal Procedure...

  • Page 25: Humidifying Duct

    Si041361E Humidifying Duct 7. Humidifying Duct 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 humidifying Humidifying duct duct. Unfasten the hook and remove the humidifying duct.

  • Page 26: Swing Motors

    Swing Motors Si041361E 8. Swing Motors 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 air outlet ASSY. Remove the 2 screws of the air outlet ASSY. Air outlet ASSY (R19888) Unfasten the lower 4...
  • Page 27 Si041361E Swing Motors Step Procedure Points Remove the vertical blade ASSY. Vertical blade ASSY (R19892) 3. Remove the swing motor for horizontal blade (upper). Remove the screw. Hook Release the harness from the 3 hooks. (R19893) Unfasten the 4 hooks and remove the cover Cover link link.
  • Page 28 Swing Motors Si041361E Step Procedure Points 4. Remove the swing motors Connector color: Right → green for vertical blades. Shaft Left → white Remove the 2 screws and remove the swing motor for vertical blades. Disconnect the connector. Swing motor for Remove the shaft.
  • Page 29 Si041361E Swing Motors Step Procedure Points Remove the 2 screws. Unfasten the 2 hooks and remove the cover. Hook Cover Hook (R19900) (R19901) Unfasten the hook and remove the motor for suction cover. Disconnect the Connector color: red connector. Hook Motor for suction cover...

  • Page 30: Indoor Heat Exchanger

    Indoor Heat Exchanger Si041361E 9. Indoor Heat Exchanger Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. In pump-down work, be sure to stop the compressor before disconnecting the refrigerant pipe. If the refrigerant pipe is disconnected with the compressor operating and the stop valve open, air may be sucked in and may generate an over-pressure in refrigeration cycle, thus resulting in pipe rupture or accidental injury.
  • Page 31 Si041361E Indoor Heat Exchanger Step Procedure Points 3. Remove the indoor heat exchanger. Unfasten the 3 hooks and remove the piping Hook fixture. Hook (R19908) Piping fixture Slightly widen the Drain hose auxiliary piping. Remove the screw and remove the drain hose. Auxiliary piping (R19909) Remove the screw.
  • Page 32 Indoor Heat Exchanger Si041361E Step Procedure Points Unfasten the hook and remove the indoor heat exchanger. Hook (R19911) Indoor heat exchanger (R19912) Removal Procedure...

  • Page 33: Fan Rotor / Fan Motor

    Si041361E Fan Rotor / Fan Motor 10.Fan Rotor / Fan Motor 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 screws and remove the right side panel.
  • Page 34 Fan Rotor / Fan Motor Si041361E Step Procedure Points Remove the bearing. Bearing (R19917) Pull out the fan motor. The magnet of the motor is Fan motor united with the fan rotor. Be careful not to attract metal waste to the magnet. Keep away from the materials that can be affected by magnetic force...
  • Page 35 Revision History Month / Year Version Revised contents 03 / 2014 Si041361E 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.

This manual is also suitable for:

Ftxz35nv1bFtxz50nv1b

Table of Contents