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Daikin CTKM28PV2S, Service Manual

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Daikin CTKM28PV2S Service Manual Download Page 8

Electrical Box

Si041351ED

6

Removal Procedure

3. Electrical Box

Warning

Š

Be sure to wait for 10 minutes or more after turning off all power supplies before 
disassembling work.

Step

Procedure

Points

1

2

Remove the screw.

Remove the drip proof 
plate from the indoor 
heat exchanger.

„

The shape of the drip proof 
plate varies by the model.

„

When reassembling, fit the 
hook to the indoor heat 
exchanger.

3

Cut the clamp.

4

Pull out and release the 
earth / ground wire.

(R16273)

(R18724)

Drip proof plate

(R16274)

(R19306)

Earth / ground wire

Summary of Contents for CTKM28PV2S

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 4 0 4 1 5 0 6 0 6 3 7 1 kW Class 15000 18000 24000 28000 Btu h Class Si041351ED ...

Page 2: ...A FTKM71PVM FTXM60PVMA FTN60JV1G FTXM71PVMA FTKM50PVMA FTN60JV1G9 FTKM60PVMA FTXM18PVMK FTKM71PVMA FTXM24PVMK FTKM18PVMK FTXS50JAVLT FTKM24PVMK FTXS60JAVLT FTKS50HVM FTXS15LVJU FTKS60HVM FTXS18LVJU FTXS24LVJU FTKS50JAVLT FTKS60JAVLT FTXS40MVLT FTXS50MVLT FTKS50JVMG FTKS60JVMG FTXV50NVLT FTKS50JVMG9 FTXV63NVLT FTKS60JVMG9 FTXV71NVLT FTKS18JV2S FTKS24JV2S FTKS40MVLT FTKS50MVLT FTKV71NVM FTKV71NVM4 F...

Page 3: ...Filters Front Panel 2 2 Front Grille 4 3 Electrical Box 6 4 PCBs 9 5 Horizontal Blades 13 6 Swing Motors 15 7 Indoor Heat Exchanger 19 8 Fan Motor Fan Rotor 21 9 Vertical Blade ASSYs 23 Note The illustrations may be slightly different depending on the model ...

Page 4: ...t the hooks at 2 lower positions when reassembling the air filter 1 Open the front panel to the position where it stops 2 Pull out the air filter downward and remove it 2 Remove the Titanium apatite photocatalytic air purifying filters The right and left filters are interchangeable 1 Remove the Titanium apatite photocatalytic air purifying filter ASSY from the back of the air filter 2 Remove the T...

Page 5: ... stops 2 Slide the left rotary shaft to the right and release it When reassembling the front panel fit the right and left rotary shafts one by one into the grooves and fully push them into position 3 Release the right rotary shaft in the same way 4 Remove the front panel Step Procedure Points R16456 Front Panel R9480 R9481 R16451 ...

Page 6: ... Remove the service cover 1 Remove the screw and remove the service cover You can remove the front grille without removing the service cover 2 Remove the front grille Refer to the removal procedure in a reverse way when reassembling 1 Remove the 3 screws of the front grille 2 Remove the 3 screw covers with a flat screwdriver R16452 Service cover R16453 R16454 Front grille R20476 Screw cover ...

Page 7: ...ont grille The convex marks on the front panel indicate the position of the hooks 5 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 Step Procedure Points R16267 R16511 Hook R12715 R16269 ...

Page 8: ...isassembling work Step Procedure Points 1 2 Remove the screw Remove the drip proof plate from the indoor heat exchanger The shape of the drip proof plate varies by the model When reassembling fit the hook to the indoor heat exchanger 3 Cut the clamp 4 Pull out and release the earth ground wire R16273 R18724 Drip proof plate R16274 R19306 Earth ground wire ...

Page 9: ...se the clip of the thermistor 6 7 Remove the 4 screws on the terminal board and disconnect the connecting wire Remove the screw and remove the wire fixture 8 Disconnect the connector S1 and release the harness from the hook S1 fan motor Step Procedure Points R18885 Indoor heat exchanger thermistor Clip R11268 1 2 3 R18886 Terminal board Wire fixture Connecting wire 1 2 3 R18887 S1 Hook ...

Page 10: ...arness from the hooks 11 Remove the screw of the electrical box 12 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 R16279 S41 R18888 Hook 1 2 3 R16281 Electrical box R16282 R9647 Bottom frame Hook ...

Page 11: ...disassembling work Step Procedure Points 1 Remove the signal receiver PCB 1 Unfasten the 2 hooks of the shield plate 2 Open the shield plate and remove it The shield plate has 2 hooks at the lower part 3 Remove the screw and remove the terminal board 1 hook at the back R22131 Shield plate Hook R16283 R16498 Hook R18725 Terminal board ...

Page 12: ...ook When reassembling make sure to hook the harness 6 Push and unfasten the hook of the signal receiver unit 7 8 Open the signal receiver unit Unfasten the hook and remove the signal receiver unit Step Procedure Points R18726 Clamp R9514 Hook R16512 Hook Signal receiver unit R16500 Hook ...

Page 13: ...sensor ASSY 2 Remove the sensor from the shield plate When reassembling set the sensor at the position where it clicks Otherwise the sensor is not completely set 3 4 5 Remove the shield plate by unfastening the 2 hooks Disconnect the connector S36 Remove the INTELLIGENT EYE sensor PCB S36 to control PCB Step Procedure Points R18737 Signal receiver PCB S48 R9523 Hook Hook INTELLIGENT EYE sensor ASS...

Page 14: ...round wire yellow green fromthe terminal board When reassembling make sure to connect the connectors as shown in the illustrations below 3 Pull out the 4 terminals from the terminal board Step Procedure Points R19304 Display PCB Hook Hook R9530 Hook S49 R18739 Hook Hook Control PCB Earth ground wire yellow green R22119 Black Red Earth ground green Earth ground yellow green White FRONT Type 1 R2212...

Page 15: ... off all power supplies before disassembling work Step Procedure Points 1 Remove the horizontal blades 1 Release the left shaft of the horizontal blade large 2 Release the inner right shaft 3 Release the inner left shaft 4 Release the right shaft R16515 left R16516 inner right inner left R16517 right Horizontal blade large R19305 ...

Page 16: ... The 3 air outlet ASSYs are bound with sealing materials 1 Remove the air outlet ASSYs by pushing the 2 hooks at the back of each 3 Remove the fan guards Remove the other 2 fan guards likewise Some models have no fan guard 1 Unfasten the 4 lower hooks and the 2 upper hooks and remove the fan guard Step Procedure Points R16292 Air outlet ASSY R16519 R16520 R18979 Fan guard ...

Page 17: ...installing order of the 2 motors for horizontal blades and the colors of the connectors If you set the connectors or motors opposite the horizontal blades do not move smoothly or noise may be heard Step Procedure Points 1 Remove the swing motors for horizontal blades 1 Release the interlock rod 2 Remove the screw at the rear of the indoor unit 3 Remove the 2 screws front and rear R9546 Interlock r...

Page 18: ...e the 2 pivots 7 Remove the swing motors Reassembling order 1 Set the swing motor for the upper blade first connector white 2 Then set the swing motor for the lower blade connector red 3 Fix both swing motors with a screw Step Procedure Points R16298 Drain hose Swing motor unit R9548 R9549 R16079 Swing motor lower blade Swing motor upper blade ...

Page 19: ...re 17 8 Disconnect the connector to remove the swing motor 2 Remove the swing motor for vertical blades 1 Remove the link cover 2 Remove the interlock rod 2 with pliers Step Procedure Points R9551 R9552 Link cover R9553 Interlock rod 2 R9554 ...

Page 20: ...val Procedure 3 Remove the interlock rod 1 4 Remove the 2 screws 5 Remove the swing motor for the vertical blade 6 Disconnect the connector Step Procedure Points R9555 Interlock rod 1 R9556 R9557 Swing motor for vertical blade R9558 ...

Page 21: ...ipe If the refrigerant leaks repair the spot of leaking then collect all refrigerant from 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 2 3 Pull out the drain hose Unscrew the flare nuts for gas piping and liquid piping Detach the indoor unit ...

Page 22: ...lightly widen the auxiliary piping 7 Remove the 2 screws on the left side 8 Push the hook on the right side and unfasten it 9 Lift up and remove the indoor heat exchanger Step Procedure Points R22046 Auxiliary piping R13580 R16310 R16311 Indoor heat exchanger ...

Page 23: ...r more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws and remove the right side plate 2 Remove the screw of the fan motor fixing plate and remove it 3 Release the fan motor harness from the hook R16306 Right side plate R16972 Fan motor fixing plate R16304 ...

Page 24: ...ame 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 Tighten the screw completely if appropriate 5 If not appropriate go back to 1 6 Remove the fan rotor Step Procedure Points Fan rotor R9648 R16305 Fan motor 5 mm 0 2 inch Side fac...

Page 25: ...er turning off all power supplies before disassembling work Step Procedure Points 1 2 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 26: ...el addition FTKS50 60JVMG9 FTN60JV1G9 06 2014 Si041351EC Model addition FTKM18 24NV2S 06 2015 Si041351ED Model addition CTKM28PV2S CTKM71PV14 FTKM28NV2S FTKM71PVM FTKM50 60 71PVMA FTKM18 24PVMK FTKV71NVM FTKV71NVM4 FTKV71NVMM FTKV71NVMV ATM24MV2S FTM60JV14 FTM60KV1V FTM24NV2S CTXM71PVLT FTXM41 50 63NVLT FTXM50 60 71PVMA FTXM18 24PVMK FTXV50 63 71NVLT ...

Page 27: ...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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