Daikin FTXS20K2V1B Service Manual
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Daikin FTXS20K2V1B Service Manual

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Si041140
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
2.0/2.5 kW Class
Indoor Unit
Inverter
Wall Mounted Type

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Summary of Contents for Daikin FTXS20K2V1B

  • Page 1 Si041140 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.0/2.5 kW Class Indoor Unit Inverter Wall Mounted Type...
  • Page 2 Service Manual Removal Procedure Indoor Unit Applicable Models Heat Pump FTXS20K2V1B FTXS25K2V1B...

  • Page 3: Table Of Contents

    Si041140 Table of Contents 1. Removal of Air Filters................2 2. Removal of Horizontal Blade..............4 3. Removal of Front Panel ................6 4. Removal of Front Grille ................7 5. Removal of Vertical Blade ASSYs ............8 6. Removal of Electrical Box ..............10 7. Removal of Swing Motor / PCBs............13 8.

  • Page 4: Removal Of Air Filters

    Removal of Air Filters Si041140 1. Removal of Air Filters Procedure 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 Warning Dangerous: High voltage A high voltage is applied to all the electric circuits of this product including...
  • Page 5 Si041140 Removal of Air Filters Step Procedure Points Pull out the air filter downward and remove (R16658) 3. Remove the Titanium apatite photocatalytic air-purifying filters. Air filter The Titanium apatite photocatalytic air- Titanium apatite purifying filter is photocatalytic attached to the back of air-purifying filter the air filter.

  • Page 6: Removal Of Horizontal Blade

    Removal of Horizontal Blade Si041140 2. Removal of Horizontal Blade Procedure 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 blade. Horizontal blade (R16659) Unfasten the center The center shaft can be shaft while bending the...
  • Page 7 Si041140 Removal of Horizontal Blade Step Procedure Points Remove the horizontal blade. (R16663) Removal Procedure...

  • Page 8: Removal Of Front Panel

    Removal of Front Panel Si041140 3. Removal of Front Panel Procedure 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 Right side over the position where it stops.

  • Page 9: Removal Of Front Grille

    Si041140 Removal of Front Grille 4. Removal of Front Grille Procedure 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, Front grille which fix the front grille to the main body.

  • Page 10: Removal Of Vertical Blade Assys

    Removal of Vertical Blade ASSYs Si041140 5. 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. Step Procedure Points Unfasten the right and Narrow the edges of the Hook left hooks of the fan hook to unfasten it.
  • Page 11 Si041140 Removal of Vertical Blade ASSYs Step Procedure Points Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat screwdriver. Hook (R8022) Remove the vertical Repeat the same procedure blade ASSY. to remove the vertical blade ASSY on the other side.

  • Page 12: Removal Of Electrical Box

    Removal of Electrical Box Si041140 6. Removal of Electrical Box Procedure 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 Preparation wires. Remove the front grille Service cover according to the “Removal Remove the screw of...
  • Page 13 Si041140 Removal of Electrical Box Step Procedure Points Remove the screw of the wire retaining plate. (R12044) Remove the screws of Connecting wires Terminal board the terminal board and (1): black disconnect the (2): white connecting wires. (3): red ): yellow / green Connecting wires (R11639)
  • Page 14 Removal of Electrical Box Si041140 Step Procedure Points Disconnect the [S200] connector for the fan motor [S200]. Release the fan motor harnesses from the hook. Hook (R16649) (R15844) Remove the screw of the electrical box. (R12048) Slide the electrical box to the right first and detach the horizontal blade from the electrical...

  • Page 15: Removal Of Swing Motor / Pcbs

    Si041140 Removal of Swing Motor / PCBs 7. Removal of Swing Motor / PCBs Procedure 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 shield plate Preparation Shield plate (2) (2).
  • Page 16 Removal of Swing Motor / PCBs Si041140 Step Procedure Points Unfasten the hook, and The connector of the swing disconnect the motor has a hook. connector. Press the hook with a flat screwdriver to unfasten it. (R8037) (R14847) 3. Remove the PCBs. Unfasten the hook, and Hook release the display PCB...
  • Page 17 Si041140 Removal of Swing Motor / PCBs Step Procedure Points Disconnect the connector [S36] from the INTELLIGENT EYE sensor PCB. [S36] (R16676) Turn over the display PCB ASSY, and Display PCB unfasten the 3 hooks to (rear side) remove the display PCB.
  • Page 18 Removal of Swing Motor / PCBs Si041140 Step Procedure Points 4. Remove the control PCB. Lift the shield plate (1) and unfasten the 2 hooks. Hook Slide the shield plate (1) and remove it. Shield plate (1) (R12061) Release the harnesses from the hooks.
  • Page 19 Si041140 Removal of Swing Motor / PCBs Step Procedure Points Release the 4 hooks. Hook Lift up the upper part of the control PCB and remove it. Control Hook (R16677) The figure shows the [S6]: swing motor control PCB. [S25]: INTELLIGENT EYE [S32] sensor PCB [S26]...

  • Page 20: Removal Of Indoor Heat Exchanger

    Removal of Indoor Heat Exchanger Si041140 8. 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. Step Procedure Points 1. Disconnect the refrigerant Preparation piping.
  • Page 21 Si041140 Removal of Indoor Heat Exchanger Step Procedure Points Disconnect the flare nut for liquid piping. (R12178) 2. Remove the indoor heat exchanger. Remove the indoor unit from the installation plate. Liquid piping Gas piping (R12179) Unfasten the hook of the piping fixture on the Auxiliary piping Piping fixture...
  • Page 22 Removal of Indoor Heat Exchanger Si041140 Step Procedure Points Slightly widen the auxiliary piping. Auxiliary piping (R8040) Remove the screw on the left side and Caution Hook Hook unfasten the hook on When removing or the rear side. reassembling the indoor heat exchanger, be sure to wear gloves or wrap it with cloth before proceeding to the...

  • Page 23: Removal Of Fan Rotor / Fan Motor

    Si041140 Removal of Fan Rotor / Fan Motor 9. 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. Step Procedure Points 1. Remove the right side Preparation panel.
  • Page 24 Removal of Fan Rotor / Fan Motor Si041140 Step Procedure Points 2. Remove the fan rotor and the fan motor. Fan rotor The fan motor has 3 projections on the right side. Fan motor The fan rotor has a rotating shaft on the left side.
  • Page 25 Si041140 Removal of Fan Rotor / Fan Motor Step Procedure Points Unfasten the 2 hooks of the motor cover. Hook Motor cover (R8051) Pull out the fan motor The magnet of the fan motor from the fan rotor to is united with the fan rotor. Fan motor Magnet Coil...

  • Page 26: Exchange Of Piping Direction (Drain Hose)

    Exchange of Piping Direction (Drain Hose) Si041140 10.Exchange of Piping Direction (Drain Hose) Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the heat insulation fixing screw Drain hose on the right side and remove the drain hose.
  • Page 27 Revision History Month / Year Version Revised contents 08/2012 Si041140 First edition...
  • Page 28 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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Ftxs25k2v1b

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