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REMOVAL

PROCEDURE

S E R V I C E   M A N U A L

Indoor Unit

Inverter/Non-Inverter

Wall Mounted Type

5.0/6.0/7.1 kW Class
15000/18000/24000/28000 Btu/h Class

Si041144

Summary of Contents for AT24KV2S

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Indoor Unit Inverter Non Inverter Wall Mounted Type 5 0 6 0 7 1 kW Class 15000 18000 24000 28000 Btu h Class Si041144 ...

Page 2: ...e Indoor Unit Applicable Models zCooling Only zHeat Pump FTKD24HV2S FTXS15LVJU FTXS18LVJU FTKS24HV2S FTXS24LVJU FTKS50LVMA FTXS50LVMA FTKS60LVMA FTXS60LVMA FTKS71LVMA FTXS71LVMA FT24LV2S FT28LV2S FTE24NV2S AT24KV2S FT60JV1V FT60MV16 ...

Page 3: ...of Front Grille 5 3 Removal of Electrical Box 7 4 Removal of PCBs 11 5 Removal of Horizontal Blades Swing Motors 19 6 Removal of Indoor Heat Exchanger 27 7 Removal of Fan Motor Fan Rotor 31 8 Removal of Vertical blade ASSY 34 Note The illustrations may be slightly different depending on the model ...

Page 4: ...button is kept pressed for 5 seconds the forced cooling operation is performed for about 15 minutes Some models have no INTELLIGENT EYE sensor lamp 2 Remove the air filters The 2 filters are interchangeable The air filter can be set easily by inserting it along the guides Insert the air filter with the FRONT mark faced up Be sure to insert the hooks at 2 lower positions when reassembling the air f...

Page 5: ...purifying filter ASSY by unfastening the projections from the back of the air filter frame The right and left filters are interchangeable 2 Remove the Titanium apatite photocatalytic air purifying filter from its frame Step Procedure Points R16262 Air filter Titanium apatite photocatalytic air purifying filter ASSY R9478 Frame Titanium apatite photocatalytic air purifying filter ...

Page 6: ...the front panel further than it stops release both the shafts 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 reassembling 2 Remove the front panel Step Procedure Points R16456 Front Panel R9480 R9481 R16451 ...

Page 7: ...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 3 screws of the front grille Refer to the removal procedure in a reverse way when reassembling 2 Remove the screwcaps with a flat screwdriver R16452 Service cover R16453 R16454 Front grille R16266...

Page 8: ...nt grille The convex marks on the front panel indicate the position of the hooks 5 Pull the upper part of the front grille out and lift the lower part up and then remove the front grille When reassembling make sure that all the 3 hooks are fastened as they were Step Procedure Points R16267 R16511 Hook R9487 Hook R12715 R16269 ...

Page 9: ...es before disassembling work Step Procedure Points 1 Layout of the parts Preparation Remove the front grille according to the Removal of Front Grille 2 Remove the drip proof plate 1 Remove the screw 2 Remove the drip proof plate from the indoor heat exchanger When reassembling fit the hook to the indoor heat exchanger 1 2 3 R16270 1 2 3 R16271 Drip proof plate R16272 R16273 ...

Page 10: ...e the earth wire and the indoor heat exchanger thermistor 1 Cut the clamp 2 Pull out and release the earth wire 3 Pull out the indoor heat exchanger thermistor Be careful not to lose the clip of the thermistor Step Procedure Points R16274 R16275 R16276 Clip R11268 ...

Page 11: ...t the connection wires on the terminal board Remove the screw and remove the wire retainer 2 Disconnect the connector for the fan motor S1 and release the harness from the hook 3 Disconnect the connector for the swing motors S41 Step Procedure Points 1 2 3 R16277 Terminal board Wire retainer 1 2 3 R16278 S1 R16279 S41 ...

Page 12: ...m the hooks 5 Remove the screw of the electrical box 6 Lift up the electrical box from the bottom frame and remove it Fit the back hook of the electrical box to the bottom frame when reassembling Step Procedure Points R16280 1 2 3 R16281 Electrical box R16282 R9647 Bottom frame Hook ...

Page 13: ...lies before disassembling work Step Procedure Points 1 Remove the signal receiver PCB 1 Unfasten the hooks of the shield plate Preparation Remove the electrical box according to the Removal of Electrical Box 2 Open the shield plate The shield plate has 2 hooks at the lower part also 3 Remove the shield plate R9506 Shield plate R16283 R16498 Hook R16284 ...

Page 14: ...CBs Si041144 12 Removal Procedure 4 Remove the screw of the terminal board 5 Remove the terminal board 1 hook at the back 6 Cut the clamp Step Procedure Points R16285 R16286 Terminal board R16499 Clamp Control PCB ...

Page 15: ...he hook When reassembling make sure to hook the harness 8 Push and unfasten the hook of the signal receiver unit 9 Open the signal receiver unit Unfasten the hook and remove the signal receiver unit Step Procedure Points R9514 Hook R16512 Hook Signal receiver unit R16500 Hook ...

Page 16: ...r PCB 12 Disconnect the connector S48 to control PCB 2 Remove the INTELLIGENT EYE sensor PCB Some models have no INTELLIGENT EYE sensor PCB 1 Unfasten the 2 hooks on the right and then the 2 hooks on the left Remove the INTELLIGENT EYE sensor ASSY Step Procedure Points R16513 Signal receiver PCB Signal receiver unit R16514 R9522 S48 R9523 Hook Hook INTELLIGENT EYE sensor ASSY ...

Page 17: ...e sensor from the shield plate When reassembling set the sensor at the position where it clicks Otherwise the sensor is not completely set 3 Remove the display PCB 1 Unfasten the 4 hooks Step Procedure Points R9524 R9525 Sensor Shield plate R9528 Display PCB ...

Page 18: ...6 Removal Procedure 2 Lift up the display PCB 3 Release the harness from the hook 4 Disconnect the connector S49 to control PCB Step Procedure Points R9529 R9530 Hook R9531 S49 3P224121 1 PbF S49 SW1 BZ LED1 LED2 LED3 R13520 S49 ...

Page 19: ... the control PCB 1 Unfasten the 3 hooks Lift up and remove the control PCB 2 Pull out the earth wire from the terminal board 3 Pull out the terminals from the terminal board Step Procedure Points R9517 Hook Hook Control PCB R17243 Earth wire R9519 Terminal ...

Page 20: ... INTELLIGENT EYE sensor PCB S32 indoor heat exchanger thermistor S41 swing motors S46 display PCB S47 signal receiver PCB Some models have no INTELLIGENT EYE sensor PCB Step Procedure Points S46 S41 S1 S32 Pattern 1 R17655 S47 R17124 S1 S32 S41 Pattern 2 S46 S25 S47 ...

Page 21: ...Blades Swing Motors Procedure 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 1 Hold the indoor unit up with a piece of wood etc R16287 Horizontal blade R16515 left R16516 inner right ...

Page 22: ...otors Si041144 20 Removal Procedure 2 Release the shafts in turn 3 Remove the horizontal blade Remove both the horizontal blades upper and lower in the same way Step Procedure Points inner left R16517 right Horizontal blade R16518 R16292 ...

Page 23: ...he 3 air outlet ASSYs are bound with sealing materials 3 Remove the fan guards 1 Unfasten the 4 lower hooks and the 2 upper hooks and remove the fan guard Remove the other 2 fan guards likewise Some models have no fan guard 4 Remove the swing motors for horizontal blades 1 Release the interlock rod Step Procedure Points Air outlet ASSY R16519 R16520 R16689 R9546 Interlock rod ...

Page 24: ...i041144 22 Removal Procedure 2 Remove the screw at the rear of the indoor unit 3 Remove the 2 screws front and rear 4 Pull out the drain hose then remove the swing motor unit Step Procedure Points R16296 R16297 R16298 Drain hose Swing motor unit ...

Page 25: ...Si041144 Removal of Horizontal Blades Swing Motors Removal Procedure 23 5 Remove the screw at the center 6 Remove the 2 pivots Step Procedure Points R9548 R9549 ...

Page 26: ... do not move smoothly or noise may be heard 1 Set the swing motor of the upper blade first connector white 2 Then set the swing motor of the lower blade connector red 3 Fix both swing motors with a screw 8 Disconnect the connector to remove the swing motor 5 Remove the swing motor for vertical blades Some models have no swing motor for vertical blade 1 Remove the link cover Step Procedure Points R...

Page 27: ...44 Removal of Horizontal Blades Swing Motors Removal Procedure 25 2 Remove the interlock rod 2 with pliers 3 Remove the interlock rod 1 Step Procedure Points R9553 Interlock rod 2 R9554 R9555 Interlock rod 1 ...

Page 28: ...al Blades Swing Motors Si041144 26 Removal Procedure 4 Remove the 2 screws 5 Remove the swing motor for the vertical blade 6 Disconnect the connector Step Procedure Points R9556 R9557 Swing motor for vertical blade R9558 ...

Page 29: ...n In pump down work be sure to stop the compressor before disconnecting the refrigerant piping If the refrigerant piping 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 the...

Page 30: ... Si041144 28 Removal Procedure 2 Remove the piping fixture 1 Detach the indoor unit from the installation plate 2 Push the bottom frame 3 Release the piping fixture Step Procedure Points R16524 R16309 Bottom frame R9573 Piping fixture ...

Page 31: ... indoor heat exchanger 1 Slightly widen the auxiliary piping 2 Remove the 2 screws on the left side Caution When removing or reassembling the indoor heat exchanger be sure to wear gloves or wrap the indoor heat exchanger with cloths You may be injured by the fins Step Procedure Points R9574 R9575 R13580 ...

Page 32: ...e the indoor heat exchanger Press the right side of the indoor heat exchanger and lift it up from the left side Caution When removing or reassembling the indoor heat exchanger be sure to wear gloves or wrap the indoor heat exchanger with cloths You may be injured by the fins Step Procedure Points R16310 R16311 Indoor heat exchanger ...

Page 33: ...nutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the right side plate 1 Remove the 2 screws 2 Lift the right side plate and remove it 2 Remove the fan rotor 1 Remove the screw of the fan motor fixing plate and remove it R16306 Right side plate R16307 R16972 Fan motor fixing plate ...

Page 34: ...Removal of Fan Motor Fan Rotor Si041144 32 Removal Procedure 2 Release the fan motor harness from the hook 3 Loosen the screw of the fan rotor Step Procedure Points R16973 R16304 Fan rotor R9648 ...

Page 35: ...m frame 1 Insert the fan motor leaving approx 5 mm space 2 Tighten the screw until it stops 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 If appropriate tighten the screw completely 5 If not appropriate go back to 1 5 Remove the fan rotor Step Procedure Points R16305 Fan motor 5 mm End of rotor R2808 End of bottom f...

Page 36: ...utes or more after turning off all power supplies before disassembling work Step Procedure Points Unfasten the 2 hooks of each vertical blade ASSY Remove the 3 vertical blade ASSYs Each vertical blade ASSY is united with a drain pan ASSY R16504 When reassembling connect the 3 vertical blade ASSYs Fasten the hooks at the connecting points ...

Page 37: ...Revision History Month Year Version Revised contents 08 2012 Si041144 First edition ...

Page 38: ...ories 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 instruct...

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