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Si041257EC

Indoor Heat Exchanger

Removal Procedure

11

6

Remove the screw on 
the left side.

„

When reassembling, fasten 
the 3 hooks of the indoor 
heat exchanger.

7

8

Remove the screw on 
the right side.

Unfasten the hook on 
the right side.

9

Lift up and remove the 
indoor heat exchanger.

Step

Procedure

Points

(R19799)

(R19768)

Left side

(1) Insert the protrusion 

into the gap of the 
bottom frame.

(R19769)

Right side

(2) Fit the heat exchanger 

plate into the slit of the 
bottom frame.

(R19770)

Right side

(3) Fit the slit of the heat exchanger 

plate into the bottom frame.

(R20349)

Hook

(R19800)

Indoor heat exchanger

Summary of Contents for ATC50QRV16

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 kW Class Si041257EC ...

Page 2: ...60RRV162 FTQ50PRV16 FTQ60PRV16 DTC50QRV16 DTC60QRV16 FTQ50QRV16 DTC50RRV161 FTQ60QRV16 DTC50RRV162 FTQ50QRV1625 DTC60RRV162 FTQ60QRV1625 FTQ50RRV162 DTQ50QRV16 FTQ60RRV162 DTQ60QRV16 FTQ50RRV1625 DTQ50RRV162 FTQ60RRV1625 DTQ60RRV162 FTKC50NRV16 FTC50PRV16 FTC60PRV16 FTKV50NRV16 FTKV60NRV16 FTC50QRV16 FTC60QRV16 FTC50QRV161 FTC60QRV161 FTC50QRV1615 FTC60QRV1615 FTC50RRV161 FTC50RRV1615 FTC50RRV162 ...

Page 3: ...s 1 Air Filters Front Panel Horizontal Blade Vertical Blade ASSYs 2 2 Front Grille 5 3 Electrical Box 6 4 PCBs Swing Motor 8 5 Indoor Heat Exchanger 10 6 Fan Motor Fan Rotor 12 Note The illustrations may be slightly different depending on the model ...

Page 4: ...t the air filter along the guides Be sure to insert the 2 hooks when reassembling the air filter 1 2 Open the front panel to the position where it stops Unfasten the 2 hooks and remove the air filter 3 Remove the optional filter from the back of the air filter if any 2 Remove the front panel 1 Open the front panel over the position where it stops 2 Push the left shaft to the right and release the ...

Page 5: ...ade ASSYs Removal Procedure 3 3 4 Remove the right shaft in the same way Remove the front panel 3 Remove the horizontal blade 1 Release the 2 center shafts of the horizontal blade 2 Release the left shaft Step Procedure Points R19774 R19775 Horizontal blade R19776 ...

Page 6: ...e right shaft first Make sure to rotate the horizontal blade so the shaft fits correctly 2 Fit the horizontal blade to the center and left shafts 4 Remove the vertical blade ASSYs 1 Unfasten the 4 hooks of the vertical blade ASSY with a flat screwdriver 2 3 Remove the vertical blade ASSY Remove the other 2 vertical blade ASSYs likewise Step Procedure Points R19777 Hook Vertical blade ASSY R19330 R...

Page 7: ...before 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 grille indicate the position of the hooks 3 Remove the front grille When reassembling make sure all the 3 hooks are fastened R19778 Front grille Hook R19779 R12715 R19781 ...

Page 8: ...ing work Step Procedure Points 1 Remove the screw and then the service cover 2 3 Remove the 4 screws on the terminal board and disconnect the connecting wire Remove the screw and then the wire fixture 4 Unfasten the 3 hooks and remove the electrical box cover R19782 Service cover R19783 R19784 Wire fixture Terminal board Connecting wire R19785 Electrical box cover ...

Page 9: ...model Be careful not to lose the clip of the thermistor 7 Disconnect the 3 connectors a fan motor CN_FAN or S1 b swing motor CN_STP or S6 c fan motor Hall IC CN101 or S7 8 Remove the screw of the electrical box 9 Lift up the electrical box from the bottom frame and remove the electrical box Step Procedure Points R19786 Earth ground wire Indoor heat exchanger thermistor Clip R11268 R19787 a b c R19...

Page 10: ... the screw of the terminal board 2 3 4 5 Release the earth ground wire and the indoor heat exchanger thermistor lead wire from the groove Pull out the control PCB from the electrical box Disconnect the connector for the display signal receiver PCB CN_DB or S26 Remove the control PCB R19790 Terminal board R23396 Control PCB Groove Indoor heat exchanger thermistor lead wire Earth ground wire Connect...

Page 11: ...ASSY 2 3 4 Unfasten the 3 hooks Disconnect the connector for the control PCB CN_MB or S27 Remove the display signal receiver PCB 3 Remove the swing motor 1 Remove the screw and then the swing motor Step Procedure Points R23397 Display signal receiver PCB ASSY Hook Hook R23398 Connector for control PCB Display signal receiver PCB R19794 R19795 Swing motor ...

Page 12: ...e 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 Pull out the drain hose Unscrew the flare nuts for gas piping and liquid piping Removal procedure is easier...

Page 13: ...e Unfasten the hook on the right side 9 Lift up and remove the indoor heat exchanger Step Procedure Points R19799 R19768 Left side 1 Insert the protrusion into the gap of the bottom frame R19769 Right side 2 Fit the heat exchanger plate into the slit of the bottom frame R19770 Right side 3 Fit the slit of the heat exchanger plate into the bottom frame R20349 Hook R19800 Indoor heat exchanger ...

Page 14: ...n Rotor 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 2 screws and then the right side plate 2 Remove the screw of the fan rotor Right side plate R19801 R19802 Fan rotor ...

Page 15: ...the fan rotor from the left groove 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 5 Remove the fan motor Step Procedure Points Bottom frame ASSY Hook R20350 5 mm 0 2 inch Side face of rotor R18879...

Page 16: ...EB Model addition ATC50 60QRV16 ATQ50 60QRV16 DTC50 60QRV16 DTQ50 60QRV16 FTC50 60QRV16 FTC50 60QRV161 FTQ50 60QRV16 05 2016 Si041257EC Model addition ATC50RRV161 ATC50 60RRV162 ATQ50 60RRV162 DTC50RRV161 DTC50 60RRV162 DTQ50 60RRV162 FTC50 60QRV1615 FTC50RRV161 FTC50RRV1615 FTC50 60RRV162 FTC60RRV1625 FTQ50 60QRV1625 FTQ50 60RRV162 FTQ50 60RRV1625 ...

Page 17: ...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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