Daikin FTXM35K3V1B Removal Procedure
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Daikin FTXM35K3V1B Removal Procedure

3.5/4.2/5.0 kw class
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Si041259EA
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
3.5/4.2/5.0 kW Class
Indoor Unit
Inverter
Wall Mounted Type

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Summary of Contents for Daikin FTXM35K3V1B

  • Page 1 Si041259EA REMOVAL PROCEDURE S E R V I C E M A N U A L 3.5/4.2/5.0 kW Class Indoor Unit Inverter Wall Mounted Type...
  • Page 2 Service Manual Removal Procedure Indoor Unit Heat Pump FTXM35K3V1B FTXM42K3V1B FTXM50K3V1B FTXS35K2V1B FTXS42K2V1B FTXS50K2V1B...

  • Page 3: Table Of Contents

    Si041259EA Table of Contents 1. Air Filters ....................2 2. Front Panel....................3 3. Front Grille ....................4 4. Horizontal Blades ..................5 5. Electrical Box ..................6 6. PCBs .......................8 7. Swing Motors ..................11 8. Indoor Heat Exchanger .................16 9. Fan Motor / Fan Rotor................18 10.Vertical Blade ASSY ................19 Note: The illustrations may be slightly different depending on the model.

  • Page 4: Air Filters

    Air Filters Si041259EA 1. Air 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. The air filter is not marked Front panel for difference between the Open the front panel.

  • Page 5: Front Panel

    Si041259EA Front Panel 2. Front Panel Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Open the front panel Front panel over the position where it stops. (R19021) Release the left rotary When reassembling the front...

  • Page 6: Front Grille

    Front Grille Si041259EA 3. Front Grille Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the 3 screws. (R19024) Open the horizontal The convex marks (...) on Hook blade and unfasten the the front panel indicate the...

  • Page 7: Horizontal Blades

    Si041259EA Horizontal Blades 4. Horizontal Blades Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Open the horizontal The center shaft can be blade. released easily by bending the blade.

  • Page 8: Electrical Box

    Electrical Box Si041259EA 5. Electrical Box Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the screw and remove the service Service cover cover. (R19032) Remove the screw and remove the wire fixture.
  • Page 9 Si041259EA Electrical Box Procedure Points Step Disconnect the [S1]: fan motor connectors [S1] [S41]. [S41]: swing motors Hook Release the harnesses for the fan motor and swing motors from the hooks. [S1] [S41] Hook (R19035) Remove the screw and Be careful not to lose the clip detach the earth / of the thermistor.

  • Page 10: Pcbs

    PCBs Si041259EA 6. PCBs 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 signal [S46]: display PCB receiver PCB. Disconnect the connector [S46]. [S46] (R19038) Unfasten the 2 hooks and remove the signal...
  • Page 11 Si041259EA PCBs Procedure Points Step 2. Remove the INTELLIGENT EYE sensor PCB. Unfasten the 2 hooks and remove the shield plate. Shield plate Hook (R19040) Unfasten the 3 hooks [S26] and remove the INTELLIGENT EYE sensor PCB. [S26]: control PCB INTELLIGENT Disconnect the EYE sensor...
  • Page 12 PCBs Si041259EA Procedure Points Step 4. Remove the control PCB. 1: black (front) Disconnect all the 2: white (front) terminals from the 3: red (front) terminal board. : green (front) green/yellow (back) Terminal board (R19044) Unfasten the 2 lower hooks of the control Hook PCB.

  • Page 13: Swing Motors

    Si041259EA Swing Motors 7. Swing Motors Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Caution When reassembling, do not confuse the installing order of the 2 motors for horizontal blades and the colors of the connectors.
  • Page 14 Swing Motors Si041259EA Procedure Points Step Disconnect the connector (green) from the swing motor. (R19048) Remove the 2 screws and remove the swing motor for horizontal blade (large). Swing motor for horizontal blade (large) (R19049) Disconnect the When reassembling, mount connector (red) from the swing motor for the swing motor.
  • Page 15 Si041259EA Swing Motors Procedure Points Step 2. Remove the swing motor Place a plastic sheet under for vertical blade ASSY. the drain pan to prevent from wetting the floor with Remove the 2 screws remaining drain. which fix the indoor unit to the installation plate.
  • Page 16 Swing Motors Si041259EA Procedure Points Step Remove the screw behind the drain hose, and disconnect the drain hose. Drain hose (R19054) Remove the 2 screws at the rear and on the side of the cover link ASSY (1). Cover link ASSY (1) (R19055) Detach the interlock shaft (2) with a flat...
  • Page 17 Si041259EA Swing Motors Procedure Points Step Remove the 2 screws and remove the swing Swing motor for motor for vertical blade vertical blade ASSY ASSY. (R19057) Disconnect the connector (white) from the swing motor. (R19058) Removal Procedure...

  • Page 18: Indoor Heat Exchanger

    Indoor Heat Exchanger Si041259EA 8. 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 19 Si041259EA Indoor Heat Exchanger Procedure Points Step Slightly widen the auxiliary piping. Auxiliary piping (R19053) Remove the 2 screws on the left side. (R10546) Unfasten the upper hook on the right side with a flat screwdriver. (R19061) After unfastening the When reassembling the Indoor heat exchanger lower hooks, lift up the...

  • Page 20: Fan Motor / Fan Rotor

    Fan Motor / Fan Rotor Si041259EA 9. Fan Motor / Fan Rotor 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 Right side side plate.

  • Page 21: Vertical Blade Assy

    Si041259EA Vertical Blade ASSY 10.Vertical Blade ASSY Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Turn over the indoor When reassembling, make Hook unit and unfasten the 4 sure that the 4 hooks are Air outlet ASSY hooks, then remove the...
  • Page 22 Revision History Month / Year Version Revised contents 06 / 2013 Si041259E First edition 04 / 2015 Si041259EA Model addition: FTXM35/42/50K3V1B...
  • Page 23 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:

Ftxm42k3v1bFtxm50k3v1bFtxs35k2v1bFtxs42k2v1bFtxs50k2v1b

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