Daikin SUPER MULTI NX CTXS07LVJU Service Manual Download

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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

2.0/2.2/2.5/2.8/3.5/3.6/4.1/4.2/4.6/
5.0 kW Class
7000/9000/12000/15000 Btu/h Class

Si041252EE

Summary of Contents for SUPER MULTI NX CTXS07LVJU

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Indoor Unit Inverter Wall Mounted Type 2 0 2 2 2 5 2 8 3 5 3 6 4 1 4 2 4 6 5 0 kW Class 7000 9000 12000 15000 Btu h Class Si041252EE ...

Page 2: ...1B FTKS35KVMA CTXS07LVJU FTKS22MVLT FTXS09LVJU FTKS28MVLT FTXS12LVJU FTKS36MVLT FTXS20KVMA FTKM09NV2S FTXS25KVMA FTKM12NV2S FTXS35KVMA FTKM15NV2S FTXS22MVLT FTKM25NVM FTXS28MVLT FTKM35NVM FTXS36MVLT FTKM42NVM FTXM22NVLT FTKM20PVMA FTXM28NVLT FTKM25PVMA FTXM36NVLT FTKM35PVMA FTKM46PVMA FTXM20PVMA FTXM25PVMA FTXM35PVMA FTXM46PVMA FTXV22NVLT FTXV28NVLT FTXV36NVLT FTXV41NVLT ...

Page 3: ...ir Filters 2 2 Front Panel 3 3 Front Grille 4 4 Horizontal Blades 5 5 Vertical Blade ASSYs 6 6 Electrical Box 8 7 PCBs 10 8 Swing Motors 13 9 Indoor Heat Exchanger 16 10 Fan Motor 18 Note The illustrations may be slightly different depending on the model ...

Page 4: ... panel 2 for each filter Pull out the air filter downward and remove it 2 Remove the Titanium apatite photocatalytic air purifying filters 1 Remove the Titanium apatite photocatalytic air purifying filter ASSY by unfastening the 2 projections from the back of the air filter 2 Unfasten the 5 hooks and remove the Titanium apatite photocatalytic air purifying filter from its frame To prevent the dama...

Page 5: ...re Points 1 Open the front panel over the position where it stops 2 3 4 Slide the front panel to the right and release the left rotary shaft Release the right rotary shaft in the same way Remove the front panel When reassembling the front panel fit the right and left rotary shafts one by one into the grooves and fully push them into position R7906 Front panel R7907 Rotary shaft ...

Page 6: ...ove the screw and remove the service cover 2 3 Remove the 2 screws Unfasten the 3 hooks at the top The convex marks on the front grille indicate the position of the hooks 4 Pull out the upper part of the front grille and lift up the lower part and then remove the front grille When reassembling make sure that all the 3 hooks are fastened as they were R7911 Service cover R18697 Hook R12715 R12268 ...

Page 7: ...ing mount the large horizontal blade to the upper position and the small horizontal blade to the lower position Do not put them in the wrong place 2 Release the left shaft 3 4 Release the right shaft and remove the horizontal blade large Remove the horizontal blade small in the same way Installation procedure 1 Since the key pattern hook is provided rotate the blade and fit it to the right shaft f...

Page 8: ...fan guards Some models have no fan guard 1 Unfasten the 2 hooks at the lower part of the fan guard with a flat screwdriver 2 3 Remove the fan guard Remove the other fan guard in the same way 2 Remove the vertical blade ASSYs 1 Detach the pivot from the interlock shaft for vertical blades with a flat screwdriver 2 Remove the interlock rod R13751 R8079 R13092 Vertical blade ASSY Pivot Interlock shaf...

Page 9: ...ith a flat screwdriver 4 5 Remove the vertical blade ASSY Remove the other vertical blade ASSY in the same way Each vertical blade ASSY has 5 fins It is impossible to replace only one fin The vertical blade ASSY is not marked for difference between right and left Step Procedure Points R13094 R13095 Hook Vertical blade ...

Page 10: ...d disconnect the connecting wire For U S models When reassembling make sure that the connecting wire is passed through the conduit hole at the bottom of the unit 3 Disconnect the connector S1 S1 fan motor 4 Disconnect the connector S41 S41 swing motors 5 Release the harness for the swing motors from the hook When reassembling be sure to put the harness for the swing motors behind the hook R18696 E...

Page 11: ...stor 7 8 Remove the screw and detach the earth ground wire Remove the screw of the electrical box 9 Lift up the electrical box and pull it out Unfasten the hook at the back There is a hook also at the lower part of the back When reassembling the electrical box make sure that it is securely fastened Step Procedure Points R7937 Indoor heat exchanger thermistor Clip R11268 R18877 Earth ground wire R1...

Page 12: ...1 The figure shows the parts of the electrical box 2 3 4 Unfasten the 2 hooks upper Unfasten the hook back Lift up the shield plate to unfasten the 2 hooks lower 2 Remove the signal receiver unit 1 Unfasten the 3 hooks 2 Unfasten the hook on the opposite side R21135 Shield plate Signal receiver unit R21136 Shield plate Hook back Hook lower Hook upper R21137 Back Front Signal receiver unit R17703 H...

Page 13: ...oks and remove the INTELLIGENT EYE sensor PCB Disconnect the connector S26 4 Remove the signal receiver PCB 1 2 Unfasten the 3 hooks and remove the signal receiver PCB Disconnect the connector S48 Step Procedure Points R8088 Signal receiver unit R21138 INTELLIGENT EYE sensor PCB S26 Hook Hook R21139 Signal receiver PCB S48 Hook Hook ...

Page 14: ...splay PCB 2 Disconnect the connector S49 S49 control PCB 6 Remove the control PCB 1 Unfasten the 2 lower hooks of the control PCB 2 Lift up the bottom of the control PCB and pull it out The control PCB is also held by 2 upper hooks When reassembling be sure to fit all the 4 hooks Step Procedure Points R21140 Hook Display PCB R21141 S49 R21142 Hook Control PCB R8098 ...

Page 15: ...move the swing motor for vertical blades Lift the indoor unit with a wooden base for easy work Use the short screwdriver from the back 1 Remove the screw behind the drain hose and disconnect the drain hose 2 Remove the screw at the rear and remove the 2 screws on the right and the left side of the swing motors for horizontal blades 3 Detach the pivot from the interlock shaft for vertical blades wi...

Page 16: ...motor with a flat screwdriver 6 Remove the vertical blade interlock with a flat screwdriver 7 Remove the 2 screws and remove the swing motor for vertical blades Step Procedure Points R21144 Swing motor unit Interlock shaft R8127 Interlock shaft R10331 Vertical blade interlock R21145 Swing motor for vertical blades Screw ...

Page 17: ...g motor for the upper blade first connector white 2 Then set the swing motor for the lower blade connector red 3 Fix the 2 swing motors with 1 screw 1 Remove the screw and remove the swing motors for horizontal blades 2 Disconnect the harnesses from the motors Step Procedure Points R10334 R8131 Screw Connector for lower blade red Connector for upper blade white R10335 ...

Page 18: ...rom the unit After conducting vacuum drying recharge proper amount of refrigerant From the viewpoint of global environmental protection make sure to use a vacuum pump for air purging Step Procedure Points 1 Disconnect the refrigerant piping 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 drain...

Page 19: ...th a flat screwdriver 6 After unfastening the lower hook lift up the indoor heat exchanger by its right side When reassembling the indoor heat exchanger make sure that the right hooks upper and lower are fastened 7 Remove the indoor heat exchanger Step Procedure Points R10546 Upper hook R21146 R13139 Indoor heat exchanger Lower hook R13140 ...

Page 20: ... between the side face of the rotor and the bottom frame 1 Insert the fan motor with approx 5 mm 0 2 inch left 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 3 Loosen the lock screw and remove the fan moto...

Page 21: ...ion ATXS20 25 35 42 50G2V1B 04 2013 Si041252_B Model addition FTKS09 12JV2S FTK X S22 28 36MVLT CTXS07LVJU FTXS09 12LVJU 06 2014 Si041252EC Model addition FTKM09 12 15NV2S FTKM25 35 42NVM 12 2014 Si041252ED Model addition FTK X M20 25 35 46PVMA 08 2015 Si041252EE Model addition FTXM22 28 36NVLT FTXV22 28 36 41NVLT ...

Page 22: ...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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