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REMOVAL

PROCEDURE

S E R V I C E   M A N U A L

Indoor Unit

Inverter

Wall Mounted Type

5.0 kW Class

Si04-753

Summary of Contents for FTXD50FV2C

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Indoor Unit Inverter Wall Mounted Type 5 0 kW Class Si04 753 ...

Page 2: ...Service Manual Removal Procedure Indoor Unit zHeat Pump FTXD50FV2C ...

Page 3: ...ntents 1 Removal of Air Filter Front Panel 2 2 Removal of Front Grille 5 3 Removal of Horizontal Blades Vertical Blades 7 4 Removal of Electrical Box PCBs Swing Motor 9 5 Removal of Indoor Heat Exchanger 15 6 Removal of Fan Motor Fan Rotor 18 ...

Page 4: ...ceiver catches a signal from the remote controller the receiving tone sounds and the operation lamp blinks immediately to confirm the signal reception When the ON OFF button is kept pressed for 5 seconds the forced cooling operation is performed for about 15 minutes 2 Remove the air filters 1 Hold both sides of the front panel and open the panel to the position where it stops 2 Slightly push up th...

Page 5: ...h the FRONT mark faced up Be sure to insert the hooks at 2 lower positions when mounting the air filter 3 Remove the Titanium apatite photocatalytic air purifying filter 1 Push up the bottom of the Titanium apatite photocatalytic air purifying filter to unfasten the hooks 2 on lower 3 on upper and take the filter out The right and left filters are interchangeable Step Procedure Points R5476 Hooks ...

Page 6: ...e opening the front panel further than it stops release both the shafts and remove the front panel Slide the front panel from side to side to release each shaft Align the right and left shafts with grooves in turn and insert them to the end when installing Step Procedure Points R2753 R2754 R2755 ...

Page 7: ... before disassembling work Step Procedure Points 1 Remove the service cover 1 Remove the screw and remove the service cover You can remove the front grille without detaching the service cover 2 Remove the front grille 1 Remove the 2 screws of the front grille Refer to the removal procedure in a reverse way when reassembling Service cover R2756 R2757 R2758 Front grille ...

Page 8: ...3 hooks on the top of the front grille 3 Pull the upper part of the front grille out and lift the lower part up and then remove the front grille Make sure that all the 3 hooks are engaged securely when reassembling Step Procedure Points Hook R2759 Hook R2760 R2761 R2762 ...

Page 9: ... horizontal blades 1 Open the horizontal blades 2 Release the left shaft of the horizontal blades 3 Bend the horizontal blades slightly and release the center shaft Slide the horizontal blades to the left and release the right shaft Installation procedure 1 Since the key pattern hook is provided rotate the blade and fit it to the right shaft first 2 Fit the blade to the center and left shafts Hori...

Page 10: ...he fan guards beforehand The unit has 2 sets of vertical blades linked one another with the interlock rods 1 Release the right and left shafts 2 Unfasten the 3 hooks for each set of vertical blades 3 Pull the vertical blades rightward and remove them Step Procedure Points Vertical blades R2767 Hooks R5478 R2769 ...

Page 11: ...tep Procedure Points 1 Remove the electrical box Preparation Remove the front grille according to the Removal of Front Grille 1 Remove the screw and remove the drip proof plate 2 Pull out the indoor heat exchanger thermistor Be careful not to lose the clip for the thermistor 3 Remove the screw of the earth wire 4 Remove the screws of the connection wires R2770 Drip proof plate R2771 Earth wire Ind...

Page 12: ...e the electrical box without detaching the terminal board Screw M4 30 6 Disconnect the connector for fan motor S1 7 Disconnect the connectors for swing motors S6 S8 S6 for horizontal blade S8 for vertical blade 8 Remove the screw of the electrical box Step Procedure Points Terminal board R2773 S1 R2774 R2775 S6 S8 Electrical box R2776 ...

Page 13: ...en the back hook The electrical box has a hook on its back 10 Pull the electrical box out Catch the back hook of the electrical box when reassembling 2 Remove the PCB 1 Remove the screw on the electrical box Screw M4 16 2 Push the shield plate up and unfasten the hook Step Procedure Points R2777 R2778 R2779 Shield plate R2780 ...

Page 14: ... on the lower side 4 Cut the clamp 5 The signal receiver unit contains 4 PCBs Unfasten the hooks and remove each PCB Disconnect every connector from each PCB Remove the signal receiver unit while pushing the hooks of connectors 6 Cut the clamp Step Procedure Points R2781 Signal receiver unit R2782 Display PCB Signal receiver PCB Buzzer PCB INTELLIGENT EYE sensor PCB R2783 R2784 ...

Page 15: ...wing motor horizontal blades S8 swing motor vertical blades S26 buzzer PCB S28 signal receiver PCB S32 indoor heat exchanger thermistor S35 INTELLIGENT EYE sensor PCB 3 Remove the swing motor for horizontal blades 1 Remove the screw of the swing motor 2 Remove the swing motor Step Procedure Points R5479 Lower hooks Control PCB Upper hooks R2697 S1 S6 S8 S26 S28 S32 S35 R2787 Swing motor R2788 ...

Page 16: ... the swing shaft on the right side Remove the swing shaft 2 Remove the 2 screws and detach the swing motor assembly 3 Remove the 2 screws and remove the swing motor The assembly has 6 hooks Step Procedure Points R2789 R9075 1 Unfasten the hook 2 Pull out the swing shaft Swing motor assembly R2791 Swing motor Hooks Hooks R5481 ...

Page 17: ...ting the refrigerant pipe If the refrigerant pipe is disconnected with the compressor operating and the stop valve open air may be sucked in to generate an over pressure in refrigeration cycle thus resulting in pipe rupture or accidental injury Place a plastic sheet under the drain pan to prevent from wetting the floor with remaining drain If the drain hose is embedded in the wall disconnect the d...

Page 18: ...the piping fixture on the back of the unit 4 Remove the indoor heat exchanger 1 Slightly widen the auxiliary piping 2 Unfasten the hooks on the left side Caution When removing or reinstalling the indoor heat exchanger be sure to wear protective gloves or wrap the indoor heat exchanger with cloths You may be injured by the fins Step Procedure Points R2797 Piping fixture R2798 Auxiliary piping R2799...

Page 19: ...er Removal Procedure 17 3 Push the hooks on the right side and unfasten them 4 Pull the indoor heat exchanger to the front side and unfasten the hooks completely and then lift it Step Procedure Points R5483 Hooks Indoor heat exchanger R2802 ...

Page 20: ...disassembling work Step Procedure Points 1 Remove the right side plate 1 Remove the 2 screws You can remove the fan rotor without detaching the right side plate 2 Lift the right side plate and remove it 2 Remove the fan motor and rotor 1 Remove the screw and remove the fan motor fixing plate 2 Remove the screw of the fan rotor Right side plate R2803 R2804 Fan motor fixing plate R2805 R2806 ...

Page 21: ...ops Then turn the screw in one scroll 3 Move the fan rotor and confirm the fan motor and the fan rotor are installed appropriately 4 Tighten the screw completely if appropriate 5 If not appropriate go back to 1 4 Remove the fan rotor 5 Remove the 2 screws and remove the left side plate 6 The bearing is made of rubber Push it inward and remove it Step Procedure Points Fan motor R18427 5 mm Side fac...

Page 22: ...Revision History Month Year Version Revised contents 07 2013 Si04 753 First edition ...

Page 23: ...sories 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 z Read the User s Manual carefully before using this product The User s Manual provides important safety instruc...

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