Daikin Super Multi NX FTXG25JV1BS Service Manual Download | Manualshive

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Removal of PCBs

Si041146

20

Removal Procedure

4

Disconnect the
connectors for the
control PCB [S51] and
for the room
temperature thermistor
[S52].

[S51]: control PCB
[S52]: room temperature

thermistor

5

Cut the clamp.

Step

Procedure

Points

[S51]

[S52]

(R12122)

[S51]

[S52]

(R12123)

(R12124)

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Summary of Contents for Super Multi NX FTXG25JV1BS

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 Si041146...

Page 2: ...Service Manual Removal Procedure Indoor Unit Applicable Models zHeat Pump FTXG25JV1BW FTXG25JV1BS FTXG35JV1BW FTXG35JV1BS FTXG50JV1BW FTXG50JV1BS...

Page 3: ...echanism ASSY 11 5 Removal of Display Lens ASSY 13 6 Removal of Reduction Motor Limit Switch 14 7 Removal of Fan Guards Electrical Box 16 8 Removal of PCBs 19 9 Removal of Swing Motors 25 10 Removal o...

Page 4: ...off all power supplies before disassembling work Step Procedure Points 1 Appearance feature 2 Remove the air filters 1 Open the front panel 2 Keep the front panel open with the support plate R12067 R...

Page 5: ...es Be sure to insert the hooks at 2 lower positions when mounting the air filter 3 Remove the Titanium apatite photocatalytic air purifying filter The Titanium apatite photocatalytic air purifying fil...

Page 6: ...ure 2 3 Release the protrusions and remove the Titanium apatite photocatalytic air purifying filter frame Remove the Titanium apatite photocatalytic air purifying filter 4 Remove the front panel 1 Ope...

Page 7: ...041146 Removal of Air Filters Front Panel Removal Procedure 5 2 Release the front panel locks on each side 3 Remove the front panel Step Procedure Points R12076 Front panel lock Right R12077 Left R120...

Page 8: ...more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the horizontal blade large 1 Bend the horizontal blade large slightly and release the center shaft 2...

Page 9: ...the horizontal blade small 1 Bend the horizontal blade small slightly and release the center shaft 2 Release the left shaft 3 Slide the horizontal blade small to the left and release the right shaft...

Page 10: ...ing off all power supplies before disassembling work Step 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 Re...

Page 11: ...Grille Removal Procedure 9 5 Disconnect the relay connector for the reduction motor 6 Open the 2 screw covers with a flat screwdriver 7 Remove the 2 screws Step Procedure Points R12088 Relay connector...

Page 12: ...rille Si041146 10 Removal Procedure 8 Remove the screw 9 Remove the screw 10 Unfasten the 3 hooks on the top of the front grille 11 Remove the front grille Step Procedure Points R12091 R12164 R12092 F...

Page 13: ...or more after 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 mechanis...

Page 14: ...Removal of Front Panel Mechanism ASSY Si041146 12 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 15: ...SSY Procedure 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 display lens ASSY by turning it countercl...

Page 16: ...rocedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Cut the clamp of the front panel mechanism ASSY right 2 R...

Page 17: ...Limit Switch Removal Procedure 15 4 Remove the screw of the reduction motor 5 Remove the reduction motor by turning it counterclockwise 6 Remove the limit switch Step Procedure Points Reduction motor...

Page 18: ...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 Preparation Remove the front grille according to the...

Page 19: ...Procedure 17 3 Remove the screws and release the connecting wires 4 Remove the shield plate 5 Disconnect the connectors for the swing motors S41 and for the fan motor S200 Step Procedure Points R1211...

Page 20: ...e 6 Release the harnesses 7 Remove the screw 8 Unfasten the 2 hooks and remove the electrical box There are 2 hooks on the bottom frame When reassembling fit the rear side of the electrical box to the...

Page 21: ...ter turning off all power supplies before disassembling work Step Procedure Points 1 Unfasten the 4 hooks and remove the lamp cover ASSY from the electrical box 2 Turn over the lamp cover ASSY 3 Unfas...

Page 22: ...val Procedure 4 Disconnect the connectors for the control PCB S51 and for the room temperature thermistor S52 S51 control PCB S52 room temperature thermistor 5 Cut the clamp Step Procedure Points S51...

Page 23: ...s from the hook 7 Unfasten the 3 hooks of the sensor ASSY with a flat screwdriver 8 Remove the sensor ASSY 9 Disconnect the connector S36 from the INTELLIGENT EYE sensor PCB Step Procedure Points R121...

Page 24: ...emoval of PCBs Si041146 22 Removal Procedure 10 Cut the clamp 11 Remove the shield plate 12 Remove the screw of the terminal board Step Procedure Points R12129 Shield plate R12130 R12131 Terminal boar...

Page 25: ...ure 23 13 Pull out the terminals and remove the terminal board 14 Release the harnesses from the groove 15 Release the harnesses of the signal receiver display PCB r 16 Unfasten the 3 hooks Step Proce...

Page 26: ...emove the control PCB S21 HA connector S25 INTELLIGENT EYE sensor PCB S32 indoor heat exchanger thermistor S41 swing motors S42 reduction motor limit switch S46 signal receiver display PCB S200 fan mo...

Page 27: ...more after turning 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...

Page 28: ...air may be sucked in to generate an over pressure in refrigeration cycle thus resulting in pipe rupture or accidental injury Place a plastic sheet under the drain pan to prevent from wetting the floo...

Page 29: ...iliary pipe Caution When dismounting or mounting the indoor heat exchanger be sure to wear gloves or wrap it with cloth before proceeding to the work You may be injured by the fins 3 Remove the 2 scre...

Page 30: ...Removal of Indoor Heat Exchanger Si041146 28 Removal Procedure 5 Remove the indoor heat exchanger Step Procedure Points R12147 Indoor heat exchanger...

Page 31: ...10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the right side panel 1 Remove the screw You can remove the fan rotor without detaching...

Page 32: ...an Rotor Fan Motor Si041146 30 Removal Procedure 2 Remove the fan motor fixing plate 3 Remove the fan rotor 4 Remove the bearing Step Procedure Points Fan motor fixing plate R12151 Fan rotor R12152 R1...

Page 33: ...reassembling 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...

Page 34: ...work Step Procedure 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 vert...

Page 35: ...Revision History Month Year Version Revised contents 08 2012 Si041146 First edition...

Page 36: ...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 acce...

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