Daikin AT09HV2S, Service Manual

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 2 5 3 5 5 0 kW Class 9000 13000 Btu h Class Si04 751 ...

Page 2: ...mp AT09HV2S AT13HV2S FT09GV2S FT13GV2S FT25DVM FT35DVM FTKS50D2V1W FTKS50D2V1L FTXD25FV2C FTXD35FV2C FTXD25FV2CA FTXD35FV2CA FTXD25FV2CG FTXD35FV2CG FTXD25FV2CN FTXD35FV2CN FTXD25FV2CP FTXD35FV2CP FTXD25FV2CW FTXD35FV2CW FTXS25FV2CW FTXS35FV2CW FTXS50D2V1W FTXS50D2V1L ...

Page 3: ...nt Grille 5 4 Removal of Horizontal Blades Vertical Blades 7 5 Removal of Electrical Box 10 6 Removal of PCBs 13 7 Removal of Drain Pan Unit Swing Motor 19 8 Removal of Fan Motor 23 9 Removal of Indoor Heat Exchanger 25 10 Removal of Fan Rotor 28 Note The illustrations may be slightly different depending on the model ...

Page 4: ...utton is kept pressed for 5 seconds the forced cooling operation is performed for about 15 minutes 2 Remove the air filter 1 2 3 Open the front panel to the position where it stops Slightly push up the center knob of the air filter and unfasten the hooks Pull out the air filter downward and remove it The air filter is not marked for difference between the right and left sides Insert the air filter...

Page 5: ...otocatalytic air purifying filter ASSY is attached to the back of the air filter 2 3 Remove the Titanium apatite photocatalytic air purifying filter ASSY by bending the air filter and releasing the projections from the air filter frame Remove the Titanium apatite photocatalytic air purifying filter from its frame at 5 positions by bending it Step Procedure Points Air filter R4309 Titanium apatite ...

Page 6: ...ints 1 Remove the front panel 1 Open the panel over the position where it stops 2 Slide the left rotary shaft to the right and release it 3 Slide the right rotary shaft to the left and release it 4 Remove the front panel When reassembling the front panel fit the right and left rotary shafts one by one into the grooves and fully push them into position Rotary shaft Rotary shaft R4312 R4313 R4315 Fr...

Page 7: ... Procedure Points 1 Remove the service cover 1 Remove the screw of the service cover Preparation Remove the front panel according to the Removal of Front Panel 2 Remove the service cover You can remove the front grille without detaching the service cover 2 Remove the front grille 1 Open the horizontal blades 2 Remove the 2 screw covers R4317 R4318 Service cover R4320 Horizontal blade R4321 Screw c...

Page 8: ...s on the front panel indicate the position of the hooks 5 Pull the upper part of the front grille out and lift the lower part up and then remove the front grille When reassembling make sure that all the 3 hooks are fastened as they were When reassembling be sure not to get it stuck on the spacer of the drain pan Step Procedure Points Hook R4322 R16030 R12715 R4327 R17043 Spacer Front grille Spacer...

Page 9: ...shaft while bending the horizontal blade large slightly Unfasten the left shaft Unfasten the right shaft When reassembling mount the large horizontal blade to the upper position and the small horizontal blade to the lower position Do not put them in the wrong place There is a key alignment at the right shaft When reassembling insert the right shaft first while turning After inserting the right sha...

Page 10: ...while bending the horizontal blade small slightly Unfasten the left shaft Unfasten the right shaft There is a key alignment at the right shaft When reassembling insert the right shaft first while turning After inserting the right shaft mount the horizontal blade to the center shaft and then to the left shaft Horizontal blade small R4332 R12716 Key alignment R4334 ...

Page 11: ...hooks at the shaft mounting part by pressing them with a flat screwdriver Unfasten the hooks at the upper 2 positions 3 Remove the vertical blade ASSY 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 Hook R4335 R4336 Hook R12546 Vertical blade ASSY ...

Page 12: ...re shows the connections of wire harnesses Remove the screw of the wire fixture Remove the 4 screws of the terminal board and disconnect the connecting wire Disconnect the connector for the swing motor S6 Preparation Remove the front grille according to the Removal of Front Grille Put any excess wires behind the power supply lead wire R10876 Drip proof plate Electrical box R17044 Wire fixture Term...

Page 13: ... Some models have no harness for S7 6 7 8 Remove the screw and remove the drip proof plate Pull out the indoor heat exchanger thermistor Remove the screw of the earth wire Be careful not to lose the clip for the thermistor R11470 S7 R10880 Drip proof plate Indoor heat exchanger thermistor R17236 R10882 Earth wire Clip R11234 ...

Page 14: ...pull the electrical box Unfasten the hook at the upper far side by pressing it from above Disconnect the connector for the fan motor S1 and remove the electrical box There is a hook also at the lower part of the back When reassembling the electrical box make sure that it is securely fastened Electrical box R4346 R10884 R10883 Hook S1 R10885 ...

Page 15: ...lectrical box Open the shield plate Push the upper center of the shield plate and unfasten the 2 hooks Remove the shield plate Preparation Remove the electrical box according to the Removal of Electrical Box 2 Release the indoor heat exchanger thermistor 1 Release the indoor heat exchanger thermistor and the earth wire from the hooks Signal receiver PCB Signal receiver unit R4350 Shield plate Hook...

Page 16: ...ard 1 Remove the screw and remove the terminal board 4 Remove the signal receiver unit 1 2 Unfasten the 3 hooks and remove the signal receiver unit Unfasten the 2 hooks Step Procedure Points Terminal board R4354 Signal receiver unit Hook Hook R4355 R12725 Hook Hook R16033 ...

Page 17: ...ve it Disconnect the wire harnesses 5 Remove the signal receiver PCB 1 Unfasten the 3 hooks and remove the signal receiver PCB 2 Disconnect the connector S29 from the signal receiver PCB Step Procedure Points Electrical box cover Hook Hook R4358 R4359 Hook Hook Hook Signal receiver PCB R4361 R15506 S29 ...

Page 18: ...1 2 3 Remove the INTELLIGENT EYE fixing plate by twisting it Unfasten the right 3 hooks and remove the INTELLIGENT EYE sensor PCB There are also 2 hooks on the left side Disconnect the connector S36 from the INTELLIGENT EYE sensor PCB Step Procedure Points R4363 R4364 INTELLIGENT EYE fixing plate INTELLIGENT EYE sensor PCB R4365 S36 ...

Page 19: ...l receiver unit 1 The figure shows the connection of wire harness for the display PCB 2 Unfasten the 3 hooks and remove the display PCB 3 Disconnect the connector S27 from the display PCB 8 Remove the control PCB 1 Unfasten the 2 lower hooks Display PCB R4366 R4367 Hook Green LED 1 Green LED 3 Yellow LED 2 R4368 S27 Control PCB Hook Hook R4369 ...

Page 20: ...nent parts S1 fan motor S6 swing motor S7 fan motor Hall IC S26 display PCB S27 control PCB S28 signal receiver PCB S29 control PCB S32 indoor heat exchanger thermistor S35 INTELLIGENT EYE sensor PCB S36 control PCB Some models have no harness for S7 S35 Step Procedure Points Hook Hook R4370 S35 S32 S6 Varistor Fuse S1 R16422 S7 S28 S26 S29 S27 S36 SW1 LED 1 Green LED 2 Yellow LED 3 Green Room tem...

Page 21: ... box according to the Removal of Electrical Box Inserting of the wooden base facilitates the removing work Place a plastic sheet under the drain pan to prevent from wetting the floor with remaining drain 1 Lift up the indoor unit slightly and pull out the drain hose In the case of left piping 2 Remove the screw at the right side of the drain pan unit 3 Press the right side of the drain pan unit an...

Page 22: ...e the drain pan unit from the indoor unit When reassembling make sure that the hook at the left side is fitted in the groove 2 Remove the swing motor 1 Remove the screw of the swing motor 2 Pull out the swing motor Step Procedure Points R4378 Hook R4379 R4380 Swing motor R4381 ...

Page 23: ...y 2 Unfasten the hook and remove the crank assembly 3 The figure shows the position of the hook when the crank assembly has been removed 4 How to change the drain hose to the right piping 1 Pull out the drain hose from its right side connection Step Procedure Points Crank assembly R4382 Hook R4383 Hook R4384 R4385 Drain hose Right side ...

Page 24: ...Insert the drain hose to the left side 4 Insert the removed drain plug into the right side with a hexagonal wrench 4 mm Caution Do not thrust the drain plug in with a sharp pointed tool like a screwdriver The drain plug may be broken resulting in water leakage Step Procedure Points Left side Drain plug R11235 Left side R4387 Right side R4388 ...

Page 25: ...re disassembling work Step Procedure Points 1 Release the fan motor lead wires from the hooks Preparation Remove the drain pan unit according to the Removal of Drain Pan Unit Swing Motor You can remove the fan motor with the heat exchanger left 2 Loosen the screw of the fan rotor 3 Remove the 2 screws of the fan motor fixing plate R4389 R15455 Fan motor fixing plate R4391 ...

Page 26: ...emoval Procedure 4 Unfasten the hook a of the fan motor fixing plate 5 Unfasten the hook b and remove the fan motor fixing plate 6 Remove the fan motor Step Procedure Points Hook a Hook b R4392 Hook b Hook a R4393 R4394 Fan motor R4395 ...

Page 27: ... the refrigerant pipe is disconnected with the compressor operating and the stop valve open air may be sucked in and may generate an over pressure in refrigeration cycle thus resulting in pipe rupture or accidental injury 1 Remove the screws which fix the indoor heat exchanger to the installation plate 2 Lift the indoor unit with a wooden base 3 Pull out the drain hose In the case of left piping P...

Page 28: ...ing fixture at the back of the unit and pull out the pipe 2 Slightly widen the auxiliary piping 3 Unfasten the upper hook left with a flat screwdriver Caution When removing or reassembling the indoor heat exchanger be sure to wear gloves or wrap the indoor heat exchanger with cloths You may be injured by the fins Step Procedure Points R4400 R4401 Piping fixture R17157 R4403 Upper hook left Lower h...

Page 29: ... exchanger by its left side and lift it up When reassembling the indoor heat exchanger make sure that the hook left is fastened 5 When the left side is lifted the 2 hooks at the right side comes off position 6 Remove the indoor heat exchanger Step Procedure Points Lower hook R17045 Indoor heat exchanger Hook right R4405 ...

Page 30: ...rk Step Procedure Points 1 Remove the right side plate Preparation Remove the indoor heat exchanger according to the Removal of Indoor Heat Exchanger 1 Remove the 2 screws of the right side plate 2 Release the fan motor lead wires from the hooks and remove the right side plate 3 Remove the 2 screws of the fan motor fixing plate R4406 Right side plate R4407 R4408 Fan motor fixing plate R4409 ...

Page 31: ...hten the screw until it stops Then turn the screw in one scroll 3 Move the fan rotor and confirm the fan motor and the fan rotor are installed appropriately 4 Tighten the screw completely if appropriate 5 If not appropriate go back to 1 1 Slide the fan rotor to the right 2 Loosen the screw and remove the fan motor Step Procedure Points R4410 Hook a Hook b Fan motor fixing plate upper Hook a Hook b...

Page 32: ...ure 3 Remove the bearing 1 Remove the screw of the left side plate 2 Unfasten the 2 hooks and remove the left side plate 3 Press the bearing from outside 4 Remove the bearing Step Procedure Points R4414 Left side plate R4415 Hook Hook R4416 Bearing ...

Page 33: ...Revision History Month Year Version Revised contents 07 2013 Si04 751 First edition ...

Page 34: ...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...