Daikin CTXG25K2VMW Service Manual Download Page 16 | Manualshive

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PCBs

Si041256

14

Removal Procedure

6

Remove the sensor
ASSY.

7

Disconnect the
connector [S36] from
the INTELLIGENT EYE
sensor PCB.

8

Cut the clamp.

9

Remove the shield
plate.

Step

Procedure

Points

(R18173)

Sensor
ASSY

[S36]

(R18234)

INTELLIGENT
EYE sensor PCB

(R12129)

Shield plate

(R12130)

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18
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Summary of Contents for CTXG25K2VMW

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Indoor Unit Inverter Wall Mounted Type 2 5 3 5 5 0 kW Class Si041256 ...

Page 2: ...Service Manual Removal Procedure Indoor Unit zHeat Pump CTXG25K2VMW CTXG25K2VMS CTXG35K2VMW CTXG35K2VMS CTXG50K2VMW CTXG50K2VMS FTXG25JV1BW FTXG25JV1BA FTXG35JV1BW FTXG35JV1BA FTXG50JV1BW FTXG50JV1BA ...

Page 3: ...Grille 5 4 Front Panel Mechanism ASSY 7 5 Display Lens ASSY 9 6 Reduction Motor Limit Switch 10 7 Fan Guards Electrical Box 11 8 PCBs 13 9 Swing Motors 16 10 Indoor Heat Exchanger 17 11 Fan Rotor Fan Motor 20 12 Vertical Blade ASSYs 22 Note The illustrations may be slightly different depending on the model ...

Page 4: ... for difference between the right and left sides The air filter can be set easily by inserting it along the guides Be sure to insert the hooks at 2 lower positions when installing the air filter 2 Remove the Titanium apatite photocatalytic air purifying filter The Titanium apatite photocatalytic air purifying filter is not marked for difference between the right and left sides 1 Remove the Titaniu...

Page 5: ...ont Panel Removal Procedure 3 3 Remove the front panel 1 Open the front panel 2 Release the front panel locks on each side 3 Remove the front panel Step Procedure Points R12075 R12076 Front panel lock Right R12077 Left R12078 ...

Page 6: ...ff all power supplies before disassembling work Step Procedure Points 1 Bend the horizontal blade large slightly and release the center shaft 2 Release the left shaft 3 Slide the horizontal blade large to the left and release the right shaft 4 Remove the horizontal blade small likewise R12079 Horizontal blade large R12080 R12081 ...

Page 7: ...ep Procedure Points 1 Remove the 2 screws of the decoration panel right 2 Open the decoration panel right Unfasten the 3 hooks and remove it 3 Remove the decoration panel left in the same way 4 Remove the screw and remove the service cover 5 Disconnect the relay connector for the reduction motor Decoration panel R12085 R12086 R12087 Service cover R12088 Relay connector ...

Page 8: ...rocedure 6 Open the 2 screw covers with a flat screwdriver 7 Remove the 4 screws 8 Unfasten the 3 hooks on the top of the front grille 9 Remove the front grille Step Procedure Points Screw cover R12089 R12090 R12092 Front grille R12093 ...

Page 9: ...turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws of the front grille right 2 Remove the guide panel 3 Remove the front panel mechanism ASSY right holding the shaft Remove the front panel mechanism ASSY left in the same way R12094 R12095 Guide panel Front panel mechanism ASSY R12096 Shaft ...

Page 10: ...Front Panel Mechanism ASSY Si041256 8 Removal Procedure 4 Remove the shaft holder and the cover shaft 5 Remove the shaft Step Procedure Points Cover shaft Shaft holder R12097 R12098 ...

Page 11: ...rning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the display lens ASSY by turning it counterclockwise 2 Unfasten the hook and remove the cover Display lens ASSY R12102 R12103 Cover ...

Page 12: ...disassembling work Step Procedure Points 1 Cut the clamp of the front panel mechanism ASSY right 2 Release the harness from the 4 hooks 3 Pull out the terminals of the limit switch 4 Remove the screw of the reduction motor 5 Remove the reduction motor by turning it counterclockwise 6 Remove the limit switch R18169 Hook R12106 Limit switch R18170 Reduction motor Limit switch R12109 ...

Page 13: ...dure Points 1 Remove the fan guards Use a sharp tool such as an awl to unfasten the lower hooks 1 Unfasten the 2 hooks and remove the fan guard 2 Remove the electrical box 1 Remove the screw and remove the drip proof plate 2 Remove the screw and release the earth wire Pull out the indoor heat exchanger thermistor Fan guard R12110 Drip proof plate R15283 Earth wire Indoor heat exchanger thermistor ...

Page 14: ...t the connectors for the swing motors S41 and for the fan motor S200 7 Release the harnesses 8 Remove the screw There are 2 hooks on the bottom frame When reassembling fit the rear side of the electrical box to the hooks 9 Unfasten the 2 hooks and remove the electrical box Step Procedure Points R18233 Wire fixture Connecting wire Shield plate R12114 S41 S200 R12115 R18171 Electrical box Hook ...

Page 15: ... electrical box 2 Unfasten the 3 hooks and remove the signal receiver display PCB 3 Disconnect the connectors for the control PCB S51 and for the room temperature thermistor S52 S51 control PCB S52 room temperature thermistor 4 Cut the clamp and release the harness from the hook 5 Unfasten the 3 hooks of the sensor ASSY with a flat screwdriver Lamp cover ASSY R12119 R18172 Signal receiver display ...

Page 16: ... Remove the sensor ASSY 7 Disconnect the connector S36 from the INTELLIGENT EYE sensor PCB 8 Cut the clamp 9 Remove the shield plate Step Procedure Points R18173 Sensor ASSY S36 R18234 INTELLIGENT EYE sensor PCB R12129 Shield plate R12130 ...

Page 17: ...ut the terminals and remove the terminal board 12 Release the harnesses from the groove 13 Release the harnesses of the signal receiver display PCB r 14 Unfasten the 3 hooks and remove the control PCB Step Procedure Points R18174 Terminal board R12133 R12134 R18175 Control PCB Hook Hook ...

Page 18: ...ing off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws of the swing motor Connector color Upper blade white Lower blade red 2 Remove the swing motor Remove the other swing motor in the same way R12138 Swing motor for lower small blade Swing motor for upper large blade R12139 ...

Page 19: ...fter 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 When removing or reinstalling the indoor heat exchanger be sure to wear protective gloves or wrap the indoor heat exchanger with cloths You may be injured by the fins Step Procedure Points 1 Disconnect the refrigerant piping Place ...

Page 20: ...tallation plate 3 Remove the indoor heat exchanger 1 Unfasten the hook of the piping fixture at the back of the indoor unit and pull out the pipe 2 Slightly widen the auxiliary pipe 3 Remove the 2 screws on the left side of the unit Step Procedure Points Installation plate R12142 Piping fixture R12143 R12144 R12145 ...

Page 21: ...Removal Procedure 19 4 Unfasten the hook on the right side of the unit with a flat screwdriver When reassembling engage the hook 5 Remove the indoor heat exchanger Step Procedure Points R12146 Hook R12159 R12147 Indoor heat exchanger ...

Page 22: ...k Step Procedure Points 1 Remove the right side panel 1 Remove the screw and remove the right side panel You can remove the fan rotor without detaching the right side panel 2 Remove the fan rotor 1 Remove the 2 screws 2 Remove the fan motor fixing plate 3 Remove the fan rotor 4 Remove the bearing Right side panel R18176 R18177 Fan motor fixing plate Fan rotor R18235 R12153 Bearing ...

Page 23: ...sembling the fan motor and the fan rotor provide as much as 5 mm of play between the side face of the rotor and the bottom frame 1 Remove the screw and remove the fan motor Step Procedure Points R12158 Fan rotor Fan motor R3917 5 mm Side face of rotor R2808 Side face of bottom frame ...

Page 24: ...dure Points 1 Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat screwdriver A vertical blade ASSY has 6 fins It is impossible to replace only one fin The vertical blade ASSY is not marked for difference between right and left 2 Unfasten the hooks at the upper 2 positions with a flat screwdriver 3 Remove the vertical blade ASSY R12154 R12155 Vertical blade ASSY R12156 ...

Page 25: ...Revision History Month Year Version Revised contents 11 2012 Si041256 First edition ...

Page 26: ...ries 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 instructi...

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