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Daikin ATKM50QRV16, Service Manual

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Daikin ATKM50QRV16 Service Manual Download Page 12

PCBs

Si041403EB

10

Removal Procedure

2

Unfasten the 2 hooks 
and remove the shield 
plate.

3

4

Disconnect the 
connector [S2] for the 
terminal board.

Pull out the harness for 
the indoor heat 
exchanger thermistor 
from the hole.

„

Some models have 
[H1][H2][H3] instead of [S2]. 
In case of [H1][H2][H3], 
disconnect the terminals 
from the terminal board.

„

Terminal board

1: black, back
2: white, back
3: red, back

5

Unfasten the 4 hooks 
and remove the control 
PCB.

Step

Procedure

Points

Shield plate

(R23576)

Hook

Left view

[S2]

Harness for 
the indoor 
heat exchanger 
thermistor

(R20161)

Control PCB

Hook

Hook

(R20162)

Summary of Contents for ATKM50QRV16

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 6 0 7 1 kW Class Si041403EB ...

Page 2: ...RV16 FTKM60PRV16 ATKM60RRV16 DTKM60RRV16 FTKM71PRV16 ATKP50QRV16 DTKP50QRV16 FTKM50QRV16 ATKP60QRV16 DTKP60QRV16 FTKM60QRV16 ATKP71QRV16 DTKP71QRV16 FTKM71QRV16 ATKP50RRV16 DTKP50RRV16 FTKM50RRV16 ATKP60RRV16 DTKP60RRV16 FTKM60RRV16 ATKP71RRV16 DTKP71RRV16 FTKP50PRV16 FTKP60PRV16 FTKP50QRV16 FTKP60QRV16 FTKP71QRV16 FTKP50RRV16 FTKP60RRV16 FTKP71RRV16 ...

Page 3: ...lters Front Panel 2 2 Horizontal Blade 4 3 Front Grille 5 4 Electrical Box 6 5 PCBs 8 6 Drain Pan Swing Motors Vertical Blade ASSYs 11 7 Indoor Heat Exchanger 14 8 Fan Rotor Fan Motor 16 Note The illustrations may be slightly different depending on the model ...

Page 4: ... faced up When reassembling insert the air filter along the guides Be sure to insert the 2 bottom hooks when reassembling the air filter 1 Open the front panel to the position where it stops 2 3 Unfasten the 2 hooks pull out the air filter downward and remove it Remove the other air filter in the same way 4 Unfasten the 4 hooks and remove the optional filter ASSY 5 Unfasten the 5 hooks and remove ...

Page 5: ...here it stops 2 Slide the left shaft to the right and release it When reassembling the front panel fit the right and left shafts one by one into the grooves and fully push them into position 3 4 Release the right shaft in the same way Remove the front panel Step Procedure Points R20139 R23479 Left shaft R23480 Right shaft ...

Page 6: ...wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Release the 2 center shafts of the horizontal blade 2 Release the left shaft 3 Release the right shaft and remove the horizontal blade R19775 Horizontal blade R19776 R20142 ...

Page 7: ...fore disassembling work Step Procedure Points 1 Remove the 5 screws of the front grille 2 Unfasten the 3 hooks on the top of the front grille The convex marks on the front panel indicate the position of the hooks 3 Remove the front grille When reassembling make sure that all the 3 hooks are fastened Front grille R20143 Hook R20144 R19780 R20145 ...

Page 8: ...ervice cover 2 3 Remove the screw and then the wire fixture Remove the 4 screws on the terminal board and disconnect the connecting wire 4 5 Remove the screw and release the earth ground wire Pull out the indoor heat exchanger thermistor Be careful not to lose the clip of the thermistor Service cover R20146 R20147 Terminal board Wire fixture Connecting wire Indoor heat exchanger thermistor Earth g...

Page 9: ...ade DC fan motor models do not have harness for S7 7 Release the harnesses from the 4 hooks 8 Remove the screw of the electrical box 9 Lift up and remove the electrical box from the bottom frame When reassembling fasten the 2 hooks at the back of the electrical box Step Procedure Points R20149 S1 S6 S7 S8 R20150 Hook Hook Electrical box R20151 R20152 Hook Bottom frame ...

Page 10: ...ep Procedure Points 1 Remove the display signal receiver PCB 1 Unfasten the 2 bottom hooks and remove the signal receiver unit 2 Release the harnesses from the 3 hooks 3 Unfasten the 3 hooks on the back and remove the display signal receiver PCB Hook R20153 Signal receiver unit Hook R23574 Right view Hook Hook R23482 Display signal receiver PCB Back view ...

Page 11: ...ling put the harness for S27 and S36 on the 4 hooks 1 2 Remove the INTELLIGENT EYE sealing material Disconnect the connector S36 3 Unfasten the 3 hooks and remove the INTELLIGENT EYE sensor PCB 3 Remove the control PCB 1 Unfasten the hook from the right side of the electrical box Step Procedure Points R20156 S27 Hook Hook R23575 INTELLIGENT EYE sealing material S36 R22590 Hook Hook Hook Hook INTEL...

Page 12: ...changer thermistor from the hole Some models have H1 H2 H3 instead of S2 In case of H1 H2 H3 disconnect the terminals from the terminal board Terminal board 1 black back 2 white back 3 red back 5 Unfasten the 4 hooks and remove the control PCB Step Procedure Points Shield plate R23576 Hook Left view S2 Harness for the indoor heat exchanger thermistor R20161 Control PCB Hook Hook R20162 ...

Page 13: ...g the floor with the remaining drain If the drain hose is embedded in the wall disconnect the drain hose beforehand Carry out the removal work with 2 wrenches When the pipings are disconnected protect the openings of both the pipes and the indoor unit from moisture intrusion 1 2 Pull out the drain hose Unscrew the flare nuts for gas piping and liquid piping 3 4 Remove the 2 screws Detach the indoo...

Page 14: ...for horizontal blade 2 Remove the 2 screws of the cover link ASSY 3 Remove the 2 screws of the swing motor for vertical blade 4 5 Cut the clamp Remove the swing motor for vertical blade Step Procedure Points Swing motor for horizontal blade R23483 Right view R23484 Cover link ASSY R20169 Swing motor for vertical blade Cover link ASSY Clamp R23485 ...

Page 15: ...cal blade ASSY 1 Remove the cover link 2 Unfasten all the 5 hooks of each vertical blade ASSY on the bottom of the drain pan ASSY 3 Pull out the vertical blade ASSYs The vertical blade ASSYs are interlinked Step Procedure Points R20171 Cover link Back view Hook R20172 Vertical blade ASSY R23486 ...

Page 16: ...ir 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 Pull out the drain hose Unscrew the flare nuts for gas piping and liquid piping Indoor heat exchanger can be removed without removing the ...

Page 17: ...he left side 7 8 Remove the screw on the right side Push the hook on the right side and unfasten it When reassembling fasten the hook of the indoor heat exchanger 9 Lift up and remove the indoor heat exchanger Step Procedure Points R20175 R20176 Hook R20177 Indoor heat exchanger ...

Page 18: ...vide as much as 5 mm 0 2 inch of play between the side face of the rotor and the bottom frame 1 Insert the fan motor allowing for approx 5 mm 0 2 inch of play 2 Tighten the fan rotor screw until it stops Then give the screw one more turn 3 If the fan rotor rotates appropriately tighten the screw completely 4 If not repeat the procedure from 1 3 Remove the fan rotor from the left groove 4 Remove th...

Page 19: ...on 11 2015 Si041403EA Model addition FTKM50 60 71QRV16 FTKP50 60 71QRV16 06 2016 Si041403EB Model addition ATKM50 60QRV16 ATKM50 60RRV16 ATKP50 60 71QRV16 ATKP50 60 71RRV16 DTKM50 60QRV16 DTKM50 60RRV16 DTKP50 60 71QRV16 DTKP50 60 71RRV16 FTHP50RRV16 FTKM50 60RRV16 FTKP50 60 71RRV16 ...

Page 20: ...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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