Daikin FTXR28EV1B9 Service Manual
Removal procedure
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Also See for FTXR28EV1B9:
- Operation manual (30 pages) ,
- Operation manual (30 pages) ,
- Service manual (52 pages)
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Table of Contents
- 1 Table of Contents
- 2 Air Filters / Panels
- 3 Front Grille
- 4 Front Panel Mechanism Assembly
- 5 Reduction Motor
- 6 Electrical Box
- 7 Pcbs
- 8 Dehumidifying Solenoid Valve Coils
- 9 Connecting Duct
- 10 Drain Hose
- 11 Swing Motors
- 12 Indoor Heat Exchanger
- 13 Fan Rotor / Fan Motor
- 14 Horizontal Blades / Vertical Blades
- 15 Streamer Unit
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Table of Contents
Related Manuals for Daikin FTXR28EV1B9
Summary of Contents for Daikin FTXR28EV1B9
- Page 1 Si041260 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.8/4.2/5.0 kW Class Indoor Unit Inverter Wall Mounted Type...
- Page 2 Service Manual Removal Procedure Indoor Unit Heat Pump FTXR28EV1B9 FTXR42EV1B9 FTXR50EV1B9...
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Page 3: Table Of Contents
Si041260 Table of Contents 1. Air Filters / Panels ...................2 2. Front Grille ....................7 3. Front Panel Mechanism Assembly............9 4. Reduction Motor ...................10 5. Electrical Box ..................12 6. PCBs .....................15 7. Dehumidifying Solenoid Valve Coils .............18 8. Connecting Duct..................19 9. Drain Hose ....................20 10.Swing Motors ..................22 11.Indoor Heat Exchanger .................24 12.Fan Rotor / Fan Motor................26... -
Page 4: Air Filters / Panels
Air Filters / Panels Si041260 1. Air Filters / Panels 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 filters. Front panel Open the front panel. (R18485) Keep the front panel Support point... - Page 5 Si041260 Air Filters / Panels Step Procedure Points 2. Remove the deodorizing filter for streamer. Pull the center knob to unfasten the hook. (R5629) Pull out the deodorizing filter for streamer. Deodorizing filter for streamer (R13946) Slide the filter and When cleaning, keep the remove it.
- Page 6 Air Filters / Panels Si041260 Step Procedure Points 4. Remove the Titanium Insert the filter along the apatite photocatalytic air- guide for easy installation. Guide purifying filter. Release the projection of the frame of Titanium apatite photocatalytic air- purifying filter and remove it.
- Page 7 Si041260 Air Filters / Panels Step Procedure Points 6. Remove the front panel. Open the front panel over the stopping position. (R5640) Push the panel stoppers outward on both sides to detach the rotary shafts from the holes. Rotary shaft Slide the rotary shaft on the left to the right Panel...
- Page 8 Air Filters / Panels Si041260 Step Procedure Points 7. Remove the service cover. Remove the screw (black) of the service cover. Slide the service cover downward to unfasten the hook on the back side. (R18487) Service cover Remove the service When reassembling, catch cover.
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Page 9: Front Grille
Si041260 Front Grille 2. Front Grille 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 front grille. If the hooks are hard to be unfasten, use a flat Remove the 3 screws. - Page 10 Front Grille Si041260 Step Procedure Points There is a gear for front panel driving. Gear (R13953) The front panel mechanism assembly is fixed to the front grille. Check that the arm is in the stored position. Front panel mechanism assembly (R13954) Installation structure (R5662)
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Page 11: Front Panel Mechanism Assembly
Si041260 Front Panel Mechanism Assembly 3. Front Panel Mechanism Assembly 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. When reassembling, catch the hook first. Unfasten the hook while straightening the front panel mechanism... -
Page 12: Reduction Motor
Reduction Motor Si041260 4. Reduction Motor 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 Reduction motor assembly reduction motor. (R13958) (R5671) The figure above shows the Remove the screw and... - Page 13 Si041260 Reduction Motor Step Procedure Points Lift the cover of the Hook reduction motor up slightly to unfasten the upper hook, and remove it. (R5676) Pull the gear out to remove. Remove the screw of the reduction motor. (R5677) Turn the reduction motor assembly over and peel off the tape.
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Page 14: Electrical Box
Electrical Box Si041260 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 1. Disconnect the Electrical box cover connectors. Open the electrical box cover. (R13960) Remove the screw and remove the wire fixture. - Page 15 Si041260 Electrical Box Step Procedure Points Disconnect the [S41]: swing motors connector [S41]. The connector [S41] is for both horizontal blades and [S41] vertical blades. (R5686) Disconnect the [S1]: fan motor connector [S1] and release the lead wire from the hook. Hook [S1] (R18493)
- Page 16 Electrical Box Si041260 Step Procedure Points Pull out the indoor heat Be careful not to lose the exchanger thermistor. clip for the thermistor. Indoor heat exchanger thermistor Clip (R14158) 2. Remove the electrical box. Remove the screw of the electrical box. Electrical (R5692) Close the electrical box...
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Page 17: Pcbs
Si041260 PCBs 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 shield plate While opening the shield plate, unfasten the lower hook. Upper hook Lift the shield plate up to unfasten the upper... - Page 18 PCBs Si041260 Step Procedure Points Release the earth wire from the hook. (R5704) Disconnect the [S46]: display PCB connectors [S46] [S48]. [S48]: humidity sensor PCB [S48] [S46] (R5705) Pull out the relay connector for the reduction motor from the back side of the electrical box cover.
- Page 19 Si041260 PCBs Step Procedure Points 4. Remove the humidity sensor PCB. [CN1] Unfasten the hook and pull out the humidity sensor PCB. Disconnect the connector [CN1] and remove the humidity sensor PCB. Humidity sensor (R18701) 5. Remove the display PCB [S56]: control PCB and the signal receiver / transmitter PCB.
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Page 20: Dehumidifying Solenoid Valve Coils
Dehumidifying Solenoid Valve Coils Si041260 7. Dehumidifying Solenoid Valve Coils Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Dehumidifying solenoid valve coil (R5717) Disconnect the [S43]: dehumidifying solenoid connector [S43]. -
Page 21: Connecting Duct
Si041260 Connecting Duct 8. Connecting Duct Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Detach the humidifying Since inside of the hose from the duct humidifying hose has ASSY. -
Page 22: Drain Hose
Drain Hose Si041260 9. Drain Hose Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Caution Do not push the drain plug with a sharp device like a screwdriver. (The drain plug can be damaged and that causes leakage of water.) Step Procedure... - Page 23 Si041260 Drain Hose Step Procedure Points Insert the drain hose Make sure that the drain removed in the hose is inserted firmly. previous step and tighten the screw. (R5729) Insert the detached drain plug on the right side with a hexagonal wrench (4 mm).
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Page 24: Swing Motors
Swing Motors Si041260 10.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. If you set the connectors or motors opposite, the horizontal blades do not move smoothly or noise may be heard. - Page 25 Si041260 Swing Motors Step Procedure Points Unfasten the upper hook of the swing motor assembly with a flat screwdriver. Hook (R14167) (R5735) Unfasten the hook of the connecting shaft for vertical blades. (R5736) Remove the swing motor assembly. (R5737) Remove the 2 screws and remove the swing motor for vertical blades.
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Page 26: Indoor Heat Exchanger
Indoor Heat Exchanger Si041260 11.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 27 Si041260 Indoor Heat Exchanger Step Procedure Points Slightly widen the auxiliary piping. (R5746) Remove the 2 screws on the left. (R18550) Lift the left side of the indoor heat exchanger, and pull out. Guide (R5748) Unfasten the hook through the gap of the pipings.
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Page 28: Fan Rotor / Fan Motor
Fan Rotor / Fan Motor Si041260 12.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 2 screws of the right side panel. (R5752) Unfasten the far side hook while pulling out... - Page 29 Si041260 Fan Rotor / Fan Motor Step Procedure Points Remove the fan motor The fan motor fixture (lower) and fan rotor. can be removed by Fan motor removing the screw and pushing the hook. Fan rotor (R18554) Hook The bearing is made of When reassembling, align rubber.
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Page 30: Horizontal Blades / Vertical Blades
Horizontal Blades / Vertical Blades Si041260 13.Horizontal Blades / Vertical Blades 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 horizontal blades. Open the horizontal blade (large). - Page 31 Si041260 Horizontal Blades / Vertical Blades Step Procedure Points 2. Remove the vertical Remove the fan guards. blades. Interlocking shaft Unfasten the hook of the interlocking shaft. Hook (R13974) Remove the interlocking shaft. (R5768) Unfasten the 3 hooks Hook of the vertical blades with a flat screwdriver.
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Page 32: Streamer Unit
Streamer Unit Si041260 14.Streamer Unit 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 streamer unit. Electrical box cover Open the electrical box [S52] Streamer unit cover and disconnect the connector for the... - Page 33 Si041260 Streamer Unit Step Procedure Points 2. Remove the cover of the streamer unit. Remove the 2 screws of the cover. (R5776) Turn over the streamer unit and unfasten the 7 hooks. (R5777) Remove the cover of the streamer unit. (R5778) 3.
- Page 34 Streamer Unit Si041260 Step Procedure Points Slide the cover of the When reassembling, slide electrode unit to the left the cover to the right. Hook and remove it. (R18707) <Side view> Needles (R18706) 4. Remove the streamer unit PCB. Limit switch Streamer unit PCB Remove the screw of the electrode plate with a small screwdriver.
- Page 35 Revision History Month / Year Version Revised contents 02 / 2013 Si041260 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.