Daikin FTXM09VVJU, Service Manual

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Indoor Unit Inverter Wall Mounted Type 9000 12000 18000 24000 Btu h Class Si042153E...

Page 2: ...Service Manual Removal Procedure Indoor Unit Heat Pump FTXM09VVJU FTXM12VVJU FTXM18VVJU FTXM24VVJU...

Page 3: ...anel Air Filters 2 2 Front Grille 5 3 Electrical Box 7 4 PCBs 9 5 Horizontal Swing Motors 14 6 Drain Pan 17 7 Vertical Swing Motor 19 8 Indoor Heat Exchanger 22 9 Fan Rotor Fan Motor 24 Note The illus...

Page 4: ...Pressing ON OFF switch for 5 seconds or longer can start forced cooling operation 2 Remove the front panel 1 Open the front panel until it stops 2 Slide each rotary shaft outward and pull up to remov...

Page 5: ...Pull out the air filter downward to remove it Remove the other air filter in the same way The air filter is not marked for difference between the right and left sides The air filter can be set easily...

Page 6: ...are interchangeable 1 Unfasten the 4 projections to remove the optional filter ASSY 2 3 Unfasten the 5 hooks and remove the optional filter from its frame Remove the other optional filter in the same...

Page 7: ...ook and remove the wire fixture Loosen the 4 screws of the terminal strip and disconnect the connecting wire When reassembling be sure to fasten the hook before tightening the screw 2 Remove the front...

Page 8: ...cover the tip of the flat screwdriver with a cloth to avoid damaging the grille 6 7 Unfasten the 3 hooks at the top Pull out the upper part of the front grille and then remove the front grille The con...

Page 9: ...ook and then remove it Screw size M4 12 with washer When reassembling make sure that the hook is securely fastened 3 4 5 6 Disconnect the connector S200 Release the harnesses from the hook and the sli...

Page 10: ...nt and remove it When reassembling make sure that the 2 hooks are securely fastened to the bottom frame When reassembling be careful not to get the fan motor wire caught between the electrical box and...

Page 11: ...rs S300A S301B S501 S600 S602 and S801 S300A S301B power supply PCB S501 indoor heat exchanger thermistor S600 humidity sensor PCB S602 intelligent eye sensor PCB S800 display signal receiver PCB S801...

Page 12: ...ntrol PCB FG ground 1 Remove the connectors S101 S103 and FG 2 Unfasten the 2 hooks and remove the power supply PCB 3 Remove the display signal receiver PCB 1 Open the signal receiver unit Step Proced...

Page 13: ...he base Release the harness from the 2 hooks B and the notch 4 Unfasten the 3 hooks 5 Release the harness from the 2 hooks and the slit Step Procedure Points Hook B Hook A Signal receiver unit Base Si...

Page 14: ...r S920 and then remove it S920 display signal receiver PCB 4 Remove the intelligent eye PCB 1 Unfasten the 2 hooks 2 Release the harness from the 4 hooks and the slit Step Procedure Points Display sig...

Page 15: ...nector and then remove it 5 Remove the humidity sensor PCB 1 2 Unfasten the 3 hooks around the humidity sensor PCB Release the harness from the hook A and then remove the humidity sensor PCB Step Proc...

Page 16: ...the horizontal blade to the center and left shafts 18 24 class have 2 center shafts 1 Release the center shaft s while bending the horizontal blade 1 slightly 2 3 Release the left shaft Release the r...

Page 17: ...the gear case 2 Release the harness from the 4 hooks at the front and the 3 hooks at the back 3 Remove the screw and then remove the gear case cover When reassembling make sure to wind the harness in...

Page 18: ...he 2 gears and gear shaft 5 6 Turn the gear case over remove the screw and cut the clamp Disconnect the connector and then remove the swing motor for the horizontal blade 1 Step Procedure Points R2610...

Page 19: ...moving the electrical box When reassembling make sure that the hook is securely fastened 3 4 Disconnect the connector S400 Release the harnesses from the 5 hooks and the notch S400 swing motors 5 6 Un...

Page 20: ...18 Removal Procedure 7 Remove the screw 8 Unfasten the 2 hooks and remove the drain pan When reassembling make sure that all the 2 hooks are fastened Step Procedure Points R26175 R26176 Hook Bottom vi...

Page 21: ...between right and left The number of the fan guards varies depending on the models 1 2 Unfasten the 4 hooks at the bottom and remove the fan guard Remove the other fan guard s in the same way When re...

Page 22: ...d then the swing motor for vertical blade Disconnect the connector 3 Remove the vertical blade ASSY It is necessary to unfasten all hooks in order to remove the center shaft The number of vertical bla...

Page 23: ...a flat screwdriver Remove the vertical blade ASSY Remove the other vertical blade ASSYs in the same way Each vertical blade ASSY has 6 fins It is not possible to replace the fins individually The vert...

Page 24: ...unit up with a piece of wood 1 Unfasten the 2 hooks 2 3 4 Pull out the drain hose Disconnect the flare nut for gas piping and liquid piping Detach the indoor unit from the installation plate Place a...

Page 25: ...dure 23 2 Slightly widen the auxiliary piping 3 Remove the 3 screws on the left 4 Unfasten the 2 hooks on the right side and lift up the indoor heat exchanger Step Procedure Points Auxiliary piping R2...

Page 26: ...wer supplies before disassembling work Step Procedure Points 1 Remove the 2 screws of the right side plate 2 Unfasten the 2 hooks and remove the right side plate 3 4 Remove the screw and unfasten the...

Page 27: ...into the fan rotor When reassembling tighten the screw in line with the recessed part of the fan motor shaft If the shaft and the screw are out of alignment the shaft may be deformed and the fan moto...

Page 28: ...moval Procedure 9 10 Unfasten the hook and remove the bearing installation plate Remove the bearing rubber cushion from the bearing installation plate Step Procedure Points R26131 Bearing rubber cushi...

Page 29: ...Revision History Month Year Version Revised contents 04 2021 Si042153E First edition...

Page 30: ...ssories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorized parts and accessories or improper installation of parts and a...