Daikin ATXG25EV1B User Manual Download

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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 kW Class

Si04-858

Summary of Contents for ATXG25EV1B

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 kW Class Si04 858 ...

Page 2: ...nual Removal Procedure Indoor Unit zHeat Pump ATXG25EV1B ATXG35EV1B FTXG25EV1BW FTXG35EV1BW FTXG25EV1BS FTXG35EV1BS FTXG25EVMAW FTXG35EVMAW FTXG25EVMAS FTXG35EVMAS FTXG25FVMAW FTXG35FVMAW FTXG25FVMAS FTXG35FVMAS ...

Page 3: ...al of Lamp Cover 13 5 Removal of Horizontal Blade 14 6 Removal of Reduction Motor 16 7 Removal of Outlet Grille 19 8 Removal of Vertical Blades and Swing Motor 20 9 Removal of Electrical Box 24 10 Removal of PCB 30 11 Removal of Heat Exchanger 36 12 Removal of Fan Rotor and Fan Motor 39 Note The illustrations may be slightly different depending on the model ...

Page 4: ... catches a signal from the remote controller it produces beep sound and the operation lamp blinks 2 Remove the air filters 1 Hold the front panel by the tabs on the both sides and lift it until it stops with a click 2 Keep the front panel open with the support plate Front panel top Slot in panel Room temperature sensor R5001 Intelligent eye lamp Signal receiver Timer lamp ON OFF switch Operation l...

Page 5: ...rt 2 hooks of the air filter completely 3 Remove the air purifying filter The right and left air purifying filters are interchangeable 1 Titanium Apatite Photo catalytic Air purifying Filter is fixed on the rear of the air filter 2 Bend the air filter to release the protrusions and remove the Titanium Apatite Photocatalytic Air Purifying filter Step Procedure Points R5005 R5006 Titanium Apatite Ph...

Page 6: ...oval procedure of front grille when the panels are closed Slide the front panel side to side to release each axis When assembling align the right and left axes with grooves in turn and insert them to the end 1 Open the front panel to the horizontal position Release the both sides pivots and remove the front panel 2 Remove the slot in panel 1 Pull the lower side of the panel 2 Lift the panel and re...

Page 7: ...axes of the slot in panel from above Push the lower part of the slot in panel and attach to the running gear 3 Remove the service cover The service cover has no screw Hooks can be caught from either right side or lower side 1 Bend the service cover inside and release the hooks Step Procedure Points R5011 R5012 Service cover R5013 ...

Page 8: ...n the right side and 4 hooks on the lower side When assembling fit the right side hooks and insert the lower hooks while bending the service cover 3 Loosen the screw on the service cover of electrical box Step Procedure Points Hooks Hooks R5014 R5016 Service cover of electrical box R3778 ...

Page 9: ... Removal Procedure 7 4 Pull down and remove the service cover of electrical box 5 Loosen the screw on the fixing plate 6 Push the white section on the terminal board and release the relay wires Step Procedure Points R3779 R3780 R3781 ...

Page 10: ...2 The front grille has 3 hooks on the upper side 3 Lift the upper part of the front grille and release the hooks Release the center hook first Be careful not to cut your finger by the fins of the heat exchanger As for the horizontal blades fully opened position is easy to reassemble and remove Step Procedure Points R5017 Hooks R5018 R5019 R5020 ...

Page 11: ...the both sides hooks 5 Pull the front grille out horizontally andremove it When assembling install the front grille horizontally so as not to stuff the flap inside When assembling make sure the three hooks are caught properly Step Procedure Points R5021 R5073 R5022 ...

Page 12: ... Points Remove the front grille 1 Remove the assembly of front panel mechanism 1 The back of the front grilles 2 Loosen the 2 screws of the assembly left 3 Remove the assembly When assembling insert the lower rack plate first 4 Lift the shaft and pull it out to the rightward Be careful so as not to lose the drive gear R5023 Assy of front panel mechanism right Assy of front panel mechanism left R50...

Page 13: ...ly of Front Panel Mechanism Removal Procedure 11 5 Loosen the 2 screws of the assembly right 6 Remove the assembly When assembling insert the lower rack plate first Step Procedure Points R5027 Lower rack plate R5028 R5029 R5030 ...

Page 14: ...e upper hook When you demand small parts like cogs and rollers order a set of assembly 3 Keep the assembly horizontally and undo the hooks on side and lower sides 4 Remove the running gear Be careful so as not to lose the rollers and the cogs When you demand small parts like cogs and rollers order a set of assembly Step Procedure Points R5031 Hook R5032 Hooks R5033 Running gear Lower rack plate R5...

Page 15: ... wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove the front grille 1 Remove the lamp cover 1 Release the 2 hooks carefully 2 Release the 3 hooks while rotating the lamp cover and remove R5035 ON OFF button Hooks Lamp cover R5037 Film R5038 ...

Page 16: ...re Points 1 Remove the horizontal blade The horizontal blade is single Installation procedure 1 Since key pattern hook is provided rotate the blade and fit it to the left pivot first 2 Fit the blade to the right pivot 3 Fit the blade to the center pivot 1 Release the center pivot 2 Bend the horizontal blade slightly and remove it Swing motor for horizontal blade Horizontal blade R3811 R5039 R3816 ...

Page 17: ... Remove the swing motor The swing motor for horizontal blade is on the left side 1 Pull out and remove the swing motor connector 2 Loosen the screw 3 Pull toward left and remove the swing motor The axis has a keyhole Step Procedure Points R5040 R5041 axis R5042 ...

Page 18: ...ure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove the front grille 1 Remove the assembly of reduction motor 1 Undo the 2 hooks and remove the assembly 2 Peel the harness fixing tape R5044 Hook R5045 R5046 ...

Page 19: ...oval of Reduction Motor Removal Procedure 17 2 Remove the reduction motor 1 Loosen the screw 2 Undo the one hook on the opposite upper side 3 Undo the one hook in the center Step Procedure Points R5047 R5048 R5049 ...

Page 20: ...al Procedure 4 Hold the cog horizontally and open the motor side toward up 5 Layout of the harness of the motor 6 Lift and remove the reduction motor 7 Pull and disconnect the connector for the motor Step Procedure Points R5050 R5051 R5052 R5053 ...

Page 21: ...nts Remove the front grille Remove the assembly of the reduction motor 1 Remove the outlet grille 1 Insert your finger into the hole and push up the hook to release it The outlet grille has 4 holes 2 Lift up the lower part of the grille to release the hook on the upper backside 3 Rotate the upper part of the grille to release the hook on the lower back side Pull out the grille Outlet grille R3826 ...

Page 22: ...minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove the assembly of the outlet grille 1 Remove the vertical blades 1 Release the 4 hooks and remove the thermal insulation 2 Release the 4 hooks and remove the thermal insulation Vertical blades R3830 R3831 Moisture condensation proof stuff R3832 R3833 ...

Page 23: ...the interlock rod from the vertical blades 4 Pull out the interlock rod from the swing motor side You cannot dismantle the caulking section 5 Push the hooks on the back of the vertical blades and remove One piece has 5 blades Step Procedure Points R3834 R3835 R5054 R5055 R3838 R3839 ...

Page 24: ...4 858 22 Removal Procedure 2 Remove the swing motor 1 Disconnect the connector for the swing motor 2 Loosen the screw and remove the swing motor 3 Peel the fixing tape Step Procedure Points R3840 Swing motor for horizontal blades R3841 R3842 R3843 ...

Page 25: ... Removal Procedure 23 4 Loosen the screw and pull out the swing motor The projection is fragile Be careful so as not to break it 5 Disconnect the connector for the swing motor Step Procedure Points Swing motor for vertical blades Projection R5056 R3845 ...

Page 26: ...harge the static electricity from your body before touching the electrical parts like signal receiver PCB It may cause malfunction of PCB 1 Remove the electrical box 1 Loosen the screw of the drip proof plate 2 Lift and remove the drip proof plate When assembling insert the left hook of the drip proof plate into the hem plate of the heat exchanger Drip proof plate Signal receiver R5057 Electrical ...

Page 27: ...oval of Electrical Box Removal Procedure 25 3 Push the hook on the right side and remove the electrical box cover 4 Layout of the wiring 5 Loosen the screw of the earth wire Step Procedure Points R5058 R5059 R5060 ...

Page 28: ...s for horizontal and vertical blades S41 The harnesses for the horizontal swing motor and the vertical swing motor are united 7 Release the harness from the hook 8 Disconnect the connector for the fan motor S1 9 Release the harness from the hook Step Procedure Points S41 R3857 Hook R3858 S1 R3859 R3860 ...

Page 29: ...rom the hook 12 Release the heat exchanger thermistor Pay attention so as not to lose the clip 13 Release the thermistor lead wire from the hook When reassembling hang the excessive lead wire of the heat exchanger thermistor on the hook Step Procedure Points S49 R3861 R3862 Heat exchanger thermistor Clip R3863 Clip Heat exchanger thermistor R3864 Hook R3865 ...

Page 30: ...e 14 Layout of the lead wire for the heat exchanger thermistor 15 Loosen the screw of the electrical box 16 Tilt the front part of the electrical box to the right slightly and pull it out Step Procedure Points Piping Hook Hook R3866 R5061 R3868 Hook R3869 ...

Page 31: ...Si04 858 Removal of Electrical Box Removal Procedure 29 When assembling push the electrical box upright and make sure to fit the hook on the backside Step Procedure Points R3870 ...

Page 32: ...Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove the electrical box 1 Remove the control PCB 1 Lift up the cover of the electrical box and open it 2 Release the right hook and remove the cover R3871 R3872 ...

Page 33: ...Si04 858 Removal of PCB Removal Procedure 31 3 Loosen the screws of the earth wire 4 Release the front hook and the 2 upper hooks and remove the shelter Step Procedure Points R3873 Shelter R3874 R3875 ...

Page 34: ...f PCB Si04 858 32 Removal Procedure 5 Layout of the wiring 6 Loosen the screw and pull out the terminal board Step Procedure Points Heat exchanger thermistor S21 HA Limit switch Terminal board R3876 R3877 R3878 ...

Page 35: ...he board Pb free soldering is adopted for PCB When replacing PCB use the particular solder and iron Black 1 White 2 Red 3 9 Cut the clamps Clamps should be used all the time Fix it as it was before 10 Disconnect the connector for the signal receiver PCB S46 Step Procedure Points R3879 R3880 R3881 S46 R3882 ...

Page 36: ...val Procedure 11 Release the hooks and draw out the harness from the ditch 12 Loosen the 2 screws and remove the PCB 13 Control PCB Step Procedure Points Hook Hook R3883 R3884 R3885 S46 V1 S21 R5062 FU1 S1 S41 S51JB JA JC S49 S36 S32 ...

Page 37: ...er PCB 1 Release the hook with a flat screwdriver 2 Release the hook and remove the receiver unit 3 Release the 2 hooks and remove the signal receiver PCB Step Procedure Points INTELLIGENT EYE PCB Signal receiver Buzzer ON OFF switch R19143 R3888 Hook R3889 Hook Hook R3890 ...

Page 38: ...10A into refrigerant cycle Contaminating of air or other gas causes abnormal high pressure in refrigerating cycle and this results in pipe breakage or personal injuries Pay attention so that the residual water in the drain will not make the floor wet In case that a drain hose is buried inside a wall remove it after the drain hose in the wall is pulled out Use two wrenches to disconnect pipes When ...

Page 39: ... 3 Remove the piping fixture plate 1 Release the 2 hooks with a flat screwdriver from the front side 2 Release the hook from the back side Lift up the lower part of the fixture plate and remove it Step Procedure Points Fixture plate R3898 R3899 R3900 R3901 ...

Page 40: ... fixing hook on the right side and lift the heat exchanger Caution When removing or reinstalling heat exchanger be sure to wear protective gloves or wrap the heat exchanger with cloths Fins can cut fingers 4 Pull the heat exchanger to the front side and then lift and remove it Step Procedure Points Auxiliary piping R19073 R3903 Glove R3904 R3905 Heat exchanger R3906 ...

Page 41: ...sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the right side plate 1 Loosen the 2 screws 2 Remove the right side plate 2 Remove the motor cover 1 Loosen the 2 screws and remove the motor cover Right side plate R3907 R3908 Motor cover R3909 R3910 ...

Page 42: ...Fan Motor Si04 858 40 Removal Procedure 3 Remove the bearing 1 Lift up the right part of the fan rotor and motor and slide them to the rightward to remove Step Procedure Points Fan rotor Harness path Fan motor R3911 R3912 R3913 ...

Page 43: ...l Procedure 41 2 Hold the lower outside of the bearing Push it inwards and lift to release the hook 4 Remove the fan motor 1 Loosen the fixing screw and remove the fan motor Step Procedure Points Bearing R3914 Hook R3915 Fan rotor Fan motor R3916 R3917 ...

Page 44: ...Revision History Month Year Version Revised contents 06 2013 Si04 858 First edition ...

Page 45: ...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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