Daikin FTY25GXV1 Service Manual

Daikin FTY25GXV1 Service Manual

Removal procedure 2.5/3.5 kw class
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Si04-859
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
2.5/3.5 kW Class
Indoor Unit
Non-Inverter
Wall Mounted Type

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Summary of Contents for Daikin FTY25GXV1

  • Page 1 Si04-859 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.5/3.5 kW Class Indoor Unit Non-Inverter Wall Mounted Type...
  • Page 2 Service Manual Removal Procedure Indoor Unit Heat Pump FTY25GXV1 FTY35GXV1 FTYN25GXV1B FTYN35GXV1B...
  • Page 3: Table Of Contents

    Si04-859 Table of Contents 1. Removal of Air Filter................2 2. Removal of Front Panel ................4 3. Removal of Front Grille ................5 4. Removal of Horizontal / Vertical Blades and Safety Net ......7 5. Removal of Electrical Box ..............10 6. Removal of PCB / Swing Motor.............14 7.
  • Page 4: Removal Of Air Filter

    Removal of Air Filter Si04-859 1. Removal of Air Filter Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Appearance feature Warning Dangerous: High voltage A high voltage is applied to all the electric circuits of this product including thermistors.
  • Page 5 Si04-859 Removal of Air Filter Step Procedure Points Pull out the air filter downwards and remove (R8570) 3. Removing the air purifying filter The air purifying filter is attached to the back of Air filter the air filter. Air purifying filter (R8636) Remove the air...
  • Page 6: Removal Of Front Panel

    Removal of Front Panel Si04-859 2. Removal of Front Panel Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Open the front panel Preparation over the position where Remove the air filter Right side it will stop.
  • Page 7: Removal Of Front Grille

    Si04-859 Removal of Front Grille 3. Removal of Front Grille Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Removing the service cover Remove the screw of Preparation the service cover.
  • Page 8 Removal of Front Grille Si04-859 Step Procedure Points Press each hook, and also lift the grille up to Left Center Right unfasten the hooks. (R8030) Pull the upper part of the front grille towards Left Center Right yourself. Front grille (R8578) Lift the lower part up, Caution on Mounting...
  • Page 9: Removal Of Horizontal / Vertical Blades And Safety Net

    Si04-859 Removal of Horizontal / Vertical Blades and Safety Net 4. Removal of Horizontal / Vertical Blades and Safety Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1.
  • Page 10 Removal of Horizontal / Vertical Blades and Safety Net Si04-859 Step Procedure Points Remove the horizontal blade. (R8582) 2. Removing the safety net Unfasten the hooks at the lower part with a flat screwdriver. (R8583) Unfasten the hooks at the upper 2 positions. (R8584) Remove the safety net Repeat the same procedure...
  • Page 11 Si04-859 Removal of Horizontal / Vertical Blades and Safety Net Step Procedure Points 3. Removing the vertical Six vertical blades are blade united as a set. Hooks (It is impossible to replace Unfasten the hooks at only one blade.) the upper 2 positions. The set of blades is not marked for difference between right and left.
  • Page 12: Removal Of Electrical Box

    Removal of Electrical Box Si04-859 5. Removal of Electrical Box Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Disconnect the connecting Preparation Terminal board Electrical box wires Remove the front grille according to the “Removal...
  • Page 13 Si04-859 Removal of Electrical Box Step Procedure Points 2. Remove the electrical box. Disconnect the earth wire by removing the screw. (R8594) Disconnect the [CN_FANFB] connector of the fan motor [CN_FANFB]. (R8595) Disconnect the connector of the swing motor [CN_STP]. [CN_STP] (R8596) Disconnect the...
  • Page 14 Removal of Electrical Box Si04-859 Step Procedure Points Remove the fixing screw of the electrical box. (R8598) Remove the screw of cable fixture for thermistor cable. (R8599) Disconnect the connecting wire for thermistor cable. Thermistor cable (outdoor unit side) (R8600) Removal Procedure...
  • Page 15 Si04-859 Removal of Electrical Box Step Procedure Points Pull the electrical box towards yourself. (R8601) When mounting, fit the There are a groove and a position of the hook and hook on the rear side. Hook the groove. (R8602) Removal Procedure...
  • Page 16: Removal Of Pcb / Swing Motor

    Removal of PCB / Swing Motor Si04-859 6. Removal of PCB / Swing Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Removing the shelter Preparation Remove the electrical box To remove the shelter...
  • Page 17 Si04-859 Removal of PCB / Swing Motor Step Procedure Points Disconnect the wire harnesses with pliers. (R8606) 2. Removing the display Preparation Remove the electrical box according to the “Removal Lift the lower part of the of Electrical Box”. display PCB to remove. (R8607) Disconnect the connector [CN_MB]...
  • Page 18 Removal of PCB / Swing Motor Si04-859 Step Procedure Points Disconnect the three [CN_DISP]: [CN_ODCOIL] connectors. To display PCB [CN_ODCOIL]: To outdoor unit thermistor [CN_TBTF]: To terminal fuse [CN_DISP] (R8609) [CN_TBTF] To remove the control PCB, unfasten the 2 hooks at the upper part from the rear side.
  • Page 19 Si04-859 Removal of PCB / Swing Motor Step Procedure Points 3. Removing the swing motor Swing motor (R8613) Remove the screw of the swing motor. (R8614) Disconnect the connector. (R8615) Removal Procedure...
  • Page 20: Removal Of Heat Exchanger

    Removal of Heat Exchanger Si04-859 7. Removal of Heat Exchanger Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Disconnecting the Preparation refrigerant pipe Remove the electrical box according to the “Removal Remove the screws of Electrical Box”.
  • Page 21 Si04-859 Removal of Heat Exchanger Step Procedure Points Unscrew the flare nut for liquid piping by 2 wrenches. (R8018) 2. Removing the indoor unit When the pipes are disconnected, protect the Remove the indoor unit both openings of pipe side from the installation and unit side from entering plate.
  • Page 22 Removal of Heat Exchanger Si04-859 Step Procedure Points Slightly widen the auxiliary piping. (R8040) Unscrew the fixing screw on the left side. Caution When dismounting or mounting the heat exchanger, be sure to wear gloves or wrap it with cloth before proceeding to the work.
  • Page 23: Removal Of Fan Rotor

    Si04-859 Removal of Fan Rotor 8. Removal of Fan Rotor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the right side Preparation panel Remove the heat exchanger according to the “Removal Loosen the screw of the of Heat Exchanger”.
  • Page 24 Removal of Fan Rotor Si04-859 Step Procedure Points 2. Remove the fan rotor and fan motor Remove the screw of the fan motor (right). (R8624) Unfasten the hook of the motor fixture to remove. (R8625) Lift up the right side and slide, then remove the fan rotor.
  • Page 25 Si04-859 Removal of Fan Rotor Step Procedure Points Remove the fan motor. Fan motor (R8628) Unfasten the hook of the bearing by a flat driver. (R8629) Remove the bearing. (R8630) Removal Procedure...
  • Page 26: Exchange Of Drain Hose

    Exchange of Drain Hose Si04-859 9. Exchange of Drain Hose Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the fixing To prevent water leakage, screw on the right side make sure to mount the and remove the drain fixing screw as it was.
  • Page 27 Si04-859 Exchange of Drain Hose Step Procedure Points Insert the drain hose to the left side, and tighten Caution with the heat insulate Do not thrust in the drain fixing screw. plug with a sharp-pointed tool like a screwdriver. (The drain plug may be broken, resulting in water leakage.) (R8634)
  • Page 28 Revision History Month / Year Version Revised contents 06 / 2013 Si04-859 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.

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