Daikin FVXG25K2V1B Service Manual
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Daikin FVXG25K2V1B Service Manual

Indoor unit 2.5/3.5/5.0 kw class
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Si061263
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
Floor Standing Type

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Summary of Contents for Daikin FVXG25K2V1B

  • Page 1 Si061263 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 Floor Standing Type...
  • Page 2 Service Manual Removal Procedure Indoor Unit Heat Pump FVXG25K2V1B FVXG35K2V1B FVXG50K2V1B...

  • Page 3: Table Of Contents

    Si061263 Table of Contents 1. Front Panel....................2 2. Air Filters ....................3 3. Front Grille ASSY..................4 4. Electrical Box / PCBs ................5 5. Horizontal Blade..................12 6. Swing Motor ..................13 7. Radiant Panel..................14 8. Air Outlet ASSY..................17 9. Drain Pan / Indoor Heat Exchanger ASSY..........19 10.Fan Rotor / Fan Motor................23 Note: The illustrations may be slightly different depending on the model.

  • Page 4: Front Panel

    Front Panel Si061263 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 Open the front panel. Front panel stopper Open Lock Front panel (R15016) Release the strings When reassembling, hang from the hooks.

  • Page 5: Air Filters

    Si061263 Air Filters 2. Air Filters Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Pull down and remove Air filter (upper) the air filters (upper). (R15019) Pull up and remove the air filters (lower).

  • Page 6: Front Grille Assy

    Front Grille ASSY Si061263 3. Front Grille ASSY Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the 5 screws. (R15023) Unfasten the 3 lower hooks and remove the Hook front grille ASSY Front grille...

  • Page 7: Electrical Box / Pcbs

    Si061263 Electrical Box / PCBs 4. 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. Remove the electrical box. Remove the screw of the service cover and remove it.
  • Page 8 Electrical Box / PCBs Si061263 Procedure Points Step 2. Remove the main PCB. Remove the 2 screws. (R15034) Remove the electrical box cover. Electrical box cover (R15035) Disconnect the [S6] [S32] [S33] [S34] [S26] [S46] connectors. Release the harnesses from the 2 hooks. [S30] (R18229) Hook...
  • Page 9 Si061263 Electrical Box / PCBs Procedure Points Step Disconnect the [FG]: earth / ground Hook connector [FG] [S1] [S1]: fan motor [S2]. [S2]: terminal board [S2] Unfasten the 2 hooks and remove the main PCB. [S1] [FG] (R18228) 3. Remove the service PCB. Unfasten the hook.
  • Page 10 Electrical Box / PCBs Si061263 Procedure Points Step Unfasten the hook and remove the terminal Hook board ASSY. Terminal (R18231) board ASSY Unfasten the hook and remove the terminal board cover. Terminal board cover Hook (R18265) Release the harnesses from the hook. Hook Cut the clamp.
  • Page 11 Si061263 Electrical Box / PCBs Procedure Points Step Release the 4 terminals and remove the terminal board ASSY. (R15053) 5. Remove the display PCB. Use a piece of cloth to Screw cover protect the surface of the Remove the screw (right) indoor unit.
  • Page 12 Electrical Box / PCBs Si061263 Procedure Points Step Remove the screw Use a piece of cloth to cover (left) with a flat protect the surface of the screwdriver and indoor unit. Screw cover (left) remove the screw. (R18270) Unfasten the 8 hooks. (R15287) Remove the air outlet cover ASSY.
  • Page 13 Si061263 Electrical Box / PCBs Procedure Points Step Lift up the cover of the Hook lamp cover ASSY with a flat screwdriver and open the cover. Lamp cover ASSY (R15064) Unfasten the hook and Hook remove the display PCB. Display PCB (R15066) Disconnect the [S56]: main PCB...

  • Page 14: Horizontal Blade

    Horizontal Blade Si061263 5. Horizontal Blade 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 Bend the horizontal blade and unfasten the center shaft.

  • Page 15: Swing Motor

    Si061263 Swing Motor 6. Swing 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 swing motor. (R15072) Remove the shaft. Shaft (R15074) Unfasten the hook and...

  • Page 16: Radiant Panel

    Radiant Panel Si061263 7. Radiant Panel 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. (R15076) Unfasten the 2 hooks and remove the drip proof cover.
  • Page 17 Si061263 Radiant Panel Procedure Points Step Remove the 2 lower screws on the right and left side of the radiant panel. Remove the 2 upper Radiant screws on the right and panel left side of the radiant panel. Remove the radiant panel.
  • Page 18 Radiant Panel Si061263 Procedure Points Step Remove the screw and M4 × 16 remove the piping Piping fixture fixture. (R18304) Remove the single union fixture. Remove the screw. Single union fixture (R18305) Remove the cover thermal insulation ASSY (small). Cover thermal insulation ASSY (small) (R15090) Remove the 8 screws...

  • Page 19: Air Outlet Assy

    Si061263 Air Outlet ASSY 8. Air Outlet ASSY Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Disconnect the relay connector for the swing motor. (R18306) Remove the 4 screws. (R15094) Remove the air outlet ASSY.
  • Page 20 Air Outlet ASSY Si061263 Procedure Points Step Turn over the air outlet ASSY and remove the 3 screws. (R15098) Remove the sub air Sub air outlet ASSY outlet ASSY. (R15288) Remove the 3 screws of the sub air outlet ASSY. (R15100) Turn over the sub air outlet ASSY and...

  • Page 21: Drain Pan / Indoor Heat Exchanger Assy

    Si061263 Drain Pan / Indoor Heat Exchanger ASSY 9. Drain Pan / Indoor Heat Exchanger ASSY 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.
  • Page 22 Drain Pan / Indoor Heat Exchanger ASSY Si061263 Procedure Points Step Remove the screw of Earth / ground wire Clamp the earth / ground wire. Cut the clamp. (R18308) Pull out the radiant Take care not to lose the panel thermistor (φ 6) clips of thermistors.
  • Page 23 Si061263 Drain Pan / Indoor Heat Exchanger ASSY Procedure Points Step Remove the 2 screws. (R15141) Disconnect the drain Be careful not to wet the hose. floor with drain. Drain hose (R15315) Remove the drain pan. Drain pan (R15142) 2. Remove the indoor heat There is a hook inside the Indoor electronic expansion valve coil exchanger ASSY.
  • Page 24 Drain Pan / Indoor Heat Exchanger ASSY Si061263 Procedure Points Step Disconnect the relay Relay connector for connector for the indoor indoor heat exchanger thermistor heat exchanger thermistor. (R18310) Remove the 2 screws on the left side. (R15117) Unfasten the 2 hooks The indoor heat exchanger on the right and remove ASSY has 2 hooks on the...

  • Page 25: Fan Rotor / Fan Motor

    Si061263 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 3 screws. (R18311) (R15121) Remove the cover Cover ASSY ASSY.
  • Page 26 Fan Rotor / Fan Motor Si061263 Procedure Points Step Release the harnesses for the indoor electronic expansion valve coil from the hooks (lower). (R15143) Remove the screw. Cover Unfasten the 2 hooks and remove the cover. Hook (R18312) Remove the 3 screws. Motor Unfasten the hook and cover...
  • Page 27 Si061263 Fan Rotor / Fan Motor Procedure Points Step Release the harnesses for the fan motor from the 4 hooks. Hook (R18327) Loosen the lock screw. You can remove the fan motor by loosening the screw. You do not need to remove the screw.
  • Page 28 Revision History Month / Year Version Revised contents 04 / 2013 Si061263 First edition...
  • Page 29 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:

Fvxg35k2v1bFvxg50k2v1b

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