Si041552E Table of Contents 1. Air Filters / Front Panel ................2 2. Front Grille ....................3 3. Horizontal Blade..................4 4. Electrical Box ..................5 5. PCBs / Swing Motor ................9 6. Indoor Heat Exchanger .................12 7. Fan Rotor / Fan Motor................14 8. Fan Guards / Vertical Blade ASSYs............16 Note: The illustrations may be slightly different depending on the model.
Air Filters / Front Panel Si041552E 1. Air Filters / Front Panel Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points The air filter is not marked 1.
Si041552E 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 Remove the 2 screws Front grille of the front grille. (R21855) Unfasten the 3 hooks at The convex marks (…) on Hook the top.
Horizontal Blade Si041552E 3. Horizontal Blade Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Release the center shaft while bending the horizontal blade slightly. Horizontal blade (R21827) Installation procedure (1) Since the key pattern hook is...
Si041552E Electrical Box 4. 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 Service cover can be Service cover connecting wire. removed without removing the front grille.
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Electrical Box Si041552E Step Procedure Points Pull out the indoor heat Be careful not to lose the clip Indoor heat exchanger thermistor exchanger thermistor. of the thermistor. Clip (R11268) The position of the indoor (R21831) heat exchanger thermistor varies depending on the model.
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Si041552E Electrical Box Step Procedure Points Disconnect the [S200]: fan motor connector [S200]. Release the harnesses [S200] from the 5 hooks. Hook Hook (R21834) Disconnect the [S6]: swing motor connector [S6]. Release the harnesses from the 6 hooks. [S6] Hook Hook (R21835) Remove the screw of...
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Electrical Box Si041552E Step Procedure Points 10 Slightly lift the electrical When reassembling, make box upward and sure to catch the hook at the remove it. front of the electronic box. Hook (R21837) When reassembling, make sure that the 2 hooks are Bottom frame securely fastened to the bottom frame.
Si041552E PCBs / Swing Motor 5. PCBs / Swing Motor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points When reassembling, fit the 1. Remove the control PCB. projection at the back of the Remove the screw of terminal board into the hole...
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PCBs / Swing Motor Si041552E Step Procedure Points Remove the connector [S26]: display PCB [S26] and release the harnesses from the 3 When reassembling, pass hooks. the harness of the connector [S26] under this hook and the 3 wires. 3 wires Hook (R21844) Unfasten the 4 hooks...
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Si041552E PCBs / Swing Motor Step Procedure Points 2. Remove the display PCB. Release the harness of the display PCB ASSY from the 2 hooks. Hook Display PCB ASSY (R21846) Unfasten the 3 hooks of Left side Front the display PCB ASSY. Hook Hook Display PCB...
Indoor Heat Exchanger Si041552E 6. 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.
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Si041552E Indoor Heat Exchanger Step Procedure Points Detach the indoor unit from the installation plate. (R21849) 2. Remove the indoor heat Piping fixture exchanger. Unfasten the 2 hooks and remove the piping fixture on the back of the indoor unit. Hook (R21035) Slightly widen the...
Fan Rotor / Fan Motor Si041552E 7. 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 screw of Right side plate the right side plate.
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Si041552E Fan Rotor / Fan Motor Step Procedure Points Unfasten the 2 hooks of Motor cover the motor cover. Hook (R21042) (R21043) Removal Procedure...
Fan Guards / Vertical Blade ASSYs Si041552E 8. Fan Guards / Vertical Blade ASSYs 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 fan guards. The fan guards are not Fan guard marked for difference...
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Revision History Month / Year Version Revised contents 05 / 2015 Si041552E First edition...
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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.