Daikin FTXG25JV1BW Service Manual
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Daikin FTXG25JV1BW Service Manual

Daikin FTXG25JV1BW Service Manual

Removal procedure 2.5/3.5 kw class, indoor unit, inverter, wall mounted type, heat pump
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Si041058
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
2.5/3.5 kW Class
Indoor Unit
Inverter
Wall Mounted Type

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Summary of Contents for Daikin FTXG25JV1BW

  • Page 1 Si041058 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.5/3.5 kW Class Indoor Unit Inverter Wall Mounted Type...
  • Page 2 Service Manual Removal Procedure Indoor Unit Heat Pump FTXG25JV1BW FTXG35JV1BW FTXG25JV1BS FTXG35JV1BS...

  • Page 3: Table Of Contents

    Si041058 Table of Contents 1. Removal of Air Filters / Front Panel ............2 2. Removal of Horizontal Blades..............6 3. Removal of Front Grille ................8 4. Removal of Front Panel Mechanism ASSY ..........11 5. Removal of Display Lens ASSY............13 6. Removal of Reduction Motor / Limit Switch ..........14 7.

  • Page 4: Removal Of Air Filters / Front Panel

    Removal of Air Filters / Front Panel Si041058 1. Removal of Air Filters / Front Panel Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Appearance feature (R12067) INTELLIGENT EYE sensor Multi-colored...
  • Page 5 Si041058 Removal of Air Filters / Front Panel Step Procedure Points Lift the air filter upwards slightly, and then pull it out downwards. Air filter (R12071) The air filter is not marked for difference between the right and left sides. The air filter can be set easily by inserting it along the guides.
  • Page 6 Removal of Air Filters / Front Panel Si041058 Step Procedure Points Release the protrusions and remove the Titanium apatite photocatalytic air- purifying filter frame. (R15282) Remove the Titanium apatite photocatalytic air-purifying filter. (R12074) 4. Remove the front panel. Open the front panel. (R12075) Removal Procedure...
  • Page 7 Si041058 Removal of Air Filters / Front Panel Step Procedure Points Release the front panel Front panel lock Right locks on each side. (R12076) Left (R12077) Remove the front panel. (R12078) Removal Procedure...

  • Page 8: Removal Of Horizontal Blades

    Removal of Horizontal Blades Si041058 2. Removal of Horizontal Blades Procedure 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 horizontal blade (large). Bend the horizontal blade (large) slightly and release the center shaft.
  • Page 9 Si041058 Removal of Horizontal Blades Step Procedure Points 2. Remove the horizontal blade (small). Bend the horizontal blade (small) slightly and release the center shaft. Horizontal blades (small) (R12082) Release the left shaft. (R12083) Slide the horizontal blade (small) to the left and release the right shaft.

  • Page 10: Removal Of Front Grille

    Removal of Front Grille Si041058 3. Removal of Front Grille Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the 2 screws Decoration panel of the decoration panel (right).
  • Page 11 Si041058 Removal of Front Grille Step Procedure Points Disconnect the relay Relay connector connector for the reduction motor. (R12088) Open the 2 screw covers with a flat screwdriver. Screw cover (R12089) Remove the 2 screws. (R12090) Removal Procedure...
  • Page 12 Removal of Front Grille Si041058 Step Procedure Points Remove the screw. (R12091) Remove the screw. (R12164) Unfasten the 3 hooks on the top of the front grille. Front grille (R12092) Remove the front grille. (R12093) Removal Procedure...

  • Page 13: Removal Of Front Panel Mechanism Assy

    Si041058 Removal of Front Panel Mechanism ASSY 4. Removal of Front Panel Mechanism ASSY Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the 2 screws of the front grille (right).
  • Page 14 Removal of Front Panel Mechanism ASSY Si041058 Step Procedure Points Remove the shaft holder and the cover shaft. Shaft holder Cover shaft (R12097) Remove the shaft. (R12098) Removal Procedure...

  • Page 15: Removal Of Display Lens Assy

    Si041058 Removal of Display Lens ASSY 5. Removal of Display Lens ASSY Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the display lens ASSY by turning it counterclockwise.

  • Page 16: Removal Of Reduction Motor / Limit Switch

    Removal of Reduction Motor / Limit Switch Si041058 6. Removal of Reduction Motor / Limit Switch Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Cut the clamp of the front panel mechanism ASSY (right).
  • Page 17 Si041058 Removal of Reduction Motor / Limit Switch Step Procedure Points Remove the screw of the reduction motor. Reduction motor (R12107) Remove the reduction motor by turning it counterclockwise. (R12108) Remove the limit switch. Limit switch (R12109) Removal Procedure...

  • Page 18: Removal Of Fan Guards / Electrical Box

    Removal of Fan Guards / Electrical Box Si041058 7. Removal of Fan Guards / Electrical Box Procedure 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 fan guards. Use a sharp tool such as an awl to unfasten the lower Unfasten the 2 hooks...
  • Page 19 Si041058 Removal of Fan Guards / Electrical Box Step Procedure Points Remove the screws and release the connecting wires. Connecting wire (R12113) Remove the shield Shield plate plate. (R12114) Disconnect the [S41] connectors for the swing motors [S41] and for the fan motor [S200] [S200].
  • Page 20 Removal of Fan Guards / Electrical Box Si041058 Step Procedure Points Release the harnesses. (R12116) Remove the screw. (R12117) Unfasten the 2 hooks There are 2 hooks on the Electrical box and remove the bottom frame. When electrical box. reassembling, fit the rear side of the electrical box to the hooks.

  • Page 21: Removal Of Pcbs

    Si041058 Removal of PCBs 8. Removal of PCBs Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Unfasten the 4 hooks Lamp cover ASSY and remove the lamp cover ASSY from the electrical box.
  • Page 22 Removal of PCBs Si041058 Step Procedure Points Disconnect the [S51] connectors for the control PCB [S51] and for the room temperature thermistor [S52]. [S52] (R12122) [S51]: control PCB [S52]: room temperature thermistor [S52] [S51] (R12123) Cut the clamp. (R12124) Removal Procedure...
  • Page 23 Si041058 Removal of PCBs Step Procedure Points Release the harness from the hook. (R12125) Unfasten the 3 hooks of Sensor ASSY the sensor ASSY with a flat screwdriver. (R12126) Remove the sensor INTELLIGENT ASSY. EYE sensor PCB (R12127) Disconnect the connector [S36] from the INTELLIGENT EYE sensor PCB.
  • Page 24 Removal of PCBs Si041058 Step Procedure Points Cut the clamp. (R12129) Remove the shield plate. Shield plate (R12130) Remove the screw of the terminal board. Terminal board (R12131) Removal Procedure...
  • Page 25 Si041058 Removal of PCBs Step Procedure Points Pull out the terminals and remove the terminal board. (R12132) Release the harnesses from the groove. (R12133) Release the harnesses of the signal receiver / display PCB. (R12134) Unfasten the 3 hooks. (R12135) Removal Procedure...
  • Page 26 Removal of PCBs Si041058 Step Procedure Points Unfasten the other 2 Control PCB hooks and remove the control PCB. (R12136) [S21]: HA connector [S46] [S21] [S25]: INTELLIGENT EYE [S25] sensor PCB [S32]: indoor heat exchanger thermistor [S41]: swing motors [S42] [S42]: reduction motor / limit switch [S41]...

  • Page 27: Removal Of Swing Motors

    Si041058 Removal of Swing Motors 9. Removal of Swing Motors Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the 2 screws Connector color of the swing motor. Upper blade: white Lower blade: red Swing motor...

  • Page 28: Removal Of Indoor Heat Exchanger

    Removal of Indoor Heat Exchanger Si041058 10.Removal of Indoor Heat Exchanger Procedure 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 refrigerant piping. Caution In pump-down work, be sure Remove the screws to stop the compressor...
  • Page 29 Si041058 Removal of Indoor Heat Exchanger Step Procedure Points 3. Remove the indoor heat Piping fixture exchanger. Unfasten the hook of the piping fixture at the back of the indoor unit and pull out the pipe. (R12143) Slightly widen the auxiliary pipe.
  • Page 30 Removal of Indoor Heat Exchanger Si041058 Step Procedure Points Remove the indoor heat Indoor heat exchanger. exchanger (R12147) Removal Procedure...

  • Page 31: Removal Of Fan Rotor / Fan Motor

    Si041058 Removal of Fan Rotor / Fan Motor 11.Removal of Fan Rotor / Fan Motor Procedure 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 right side panel.
  • Page 32 Removal of Fan Rotor / Fan Motor Si041058 Step Procedure Points Remove the fan motor Fan motor fixing plate fixing plate. (R12151) Remove the fan rotor. Fan rotor (R12152) Remove the bearing. Bearing (R12153) Removal Procedure...
  • Page 33 Si041058 Removal of Fan Rotor / Fan Motor Step Procedure Points 3. Remove the fan motor. When reassembling the fan motor and the fan rotor, Remove the screw and provide as much as 5 mm of remove the fan motor. play between the side face Fan rotor Fan motor...

  • Page 34: Removal Of Vertical Blade Assys

    Removal of Vertical Blade ASSYs Si041058 12.Removal of Vertical Blade ASSYs Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Unfasten the 3 hooks at A vertical blade ASSY has 6 the shaft mounting part fins.
  • Page 35 Revision History Month / Year Version Revised contents 01 / 2013 Si041058 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.

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