background image

REMOVAL

PROCEDURE

S E R V I C E   M A N U A L

Indoor Unit

Inverter

Wall Mounted Type

2.0/2.5/3.5/4.1/4.2/5.0 kW Class
9000/12000/18000 Btu/h Class

Si041401EB

Summary of Contents for FTKJ09NV1SW

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Indoor Unit Inverter Wall Mounted Type 2 0 2 5 3 5 4 1 4 2 5 0 kW Class 9000 12000 18000 Btu h Class Si041401EB ...

Page 2: ...QVJUW FTXJ25NVLTW FTKJ35NVMS CTXG12QVJUS FTXJ41NVLTW FTKJ42NVMW CTXG18QVJUW FTKJ42NVMS CTXG18QVJUS FTXJ25NVMVW FTKJ50NVMW FTXJ25NVMVS FTKJ50NVMS FTXG20LV1BW FTXJ35NVMVW FTXG20LV1BS FTXJ35NVMVS FTKJ25NVM4W FTXG25LV1BW FTXJ50NVMVW FTKJ25NVM4S FTXG25LV1BS FTXJ50NVMVS FTKJ35NVM4W FTXG35LV1BW FTKJ35NVM4S FTXG35LV1BS FTXJ25PVMAW FTKJ50NVM4W FTXG50LV1BW FTXJ25PVMAS FTKJ50NVM4S FTXG50LV1BS FTXJ35PVMAW FTX...

Page 3: ... Blades 5 3 Front Grille 6 4 Front Panel Mechanism ASSYs 8 5 Limit Switch Reduction Motor 12 6 Electrical Box 14 7 PCBs 16 8 Swing Motors 19 9 Indoor Heat Exchanger 24 10 Fan Rotor Fan Motor 26 11 Vertical Blade ASSYs 28 Note The illustrations may be slightly different depending on the model ...

Page 4: ...r is not marked for difference between the right and left sides When reassembling insert the air filter along the guides Be sure to insert the 2 bottom hooks when reassembling 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 Titanium ap...

Page 5: ... panel upper locks on each side Remove the front panel upper 4 Slide the front panel lower upward until it stops You can slide the front panel lower only when the front panel mechanism ASSY is pulled out forward Step Procedure Points R19961 R23800 Left side R23801 Right side Front panel mechanism ASSY Front panel lower R19964 R19965 ...

Page 6: ...Air Filters Front Panels Si041401EB 4 Removal Procedure 5 Tap the front panel lower from below at the bottom of each side and remove the front panel lower Step Procedure Points R19966 R19967 ...

Page 7: ...ntil it stops You can remove the horizontal blades without removing front panel upper and front panel lower 3 Bend the horizontal blade large slightly and release the center shaft 4 Release the left shaft 5 6 Slide the horizontal blade large to the left to release the right shaft and remove it Remove the horizontal blade small likewise Front panel upper Front panel lower R19968 Horizontal blade la...

Page 8: ...move the screw and then the service cover 2 3 Disconnect the relay connector for reduction motor and the connector for wireless LAN connection adaptor Release the harnesses from the clamp 4 Remove the 2 screw covers using a flat screwdriver and then the 2 screws Service cover R19972 Clamp Connector for wireless LAN connection adaptor Relay connector for reduction motor R23803 Screw cover R19975 ...

Page 9: ...Si041401EB Front Grille Removal Procedure 7 5 Remove the 2 screws 6 Unfasten the 3 hooks and remove the front grille Step Procedure Points R19976 Hook Front grille R19977 ...

Page 10: ...k Step Procedure Points 1 Remove the 2 screws on the decoration panel right 2 Pull out forward the front panel mechanism ASSY on both the right and left sides 3 4 Open the decoration panel right Unfasten the 3 hooks and remove the decoration panel right 5 Remove the 2 screws on the front panel mechanism ASSY right Decoration panel right R19978 R19979 Front panel mechanism ASSY Hook R19980 R19981 ...

Page 11: ...front panel mechanism ASSY right 8 Remove the 2 screws on the decoration panel left 9 10 Open the decoration panel left Unfasten the 3 hooks and remove the decoration panel left Step Procedure Points R19982 Guide panel right Front panel mechanism ASSY right R19983 Decoration panel left R19984 Hook R19985 ...

Page 12: ...crews on the front panel mechanism ASSY left 12 Remove the guide panel left 13 Remove the front panel mechanism ASSY left 14 Turn around the front grille and remove the shaft Step Procedure Points R19986 Guide panel left R19987 R19988 Front panel mechanism ASSY left Shaft R19989 ...

Page 13: ...nt Panel Mechanism ASSYs Removal Procedure 11 15 Rotate the indoor unit switch ASSY to unfasten the 3 hooks 16 Remove the indoor unit switch ASSY Step Procedure Points Indoor unit switch ASSY R19990 Hook Hook R19991 ...

Page 14: ...ep Procedure Points 1 2 Remove the screw on the front panel mechanism ASSY right Unfasten the 2 hooks and remove the wireless adaptor holder 3 4 Cut the clamp of the front panel mechanism ASSY right Release the harnesses from the 2 hooks 5 Cut the 2 clamps and release the harnesses from the groove Hook Wireless adaptor holder Hook R23804 Clamp Hook Inner side R19993 R23805 Clamp Groove Outer side ...

Page 15: ...erminals of the limit switch 7 Remove the 2 screws and then the limit switch 8 9 Remove the screw of the reduction motor Slightly tilt the reduction motor downward and rotate to the left to remove it Step Procedure Points Terminal Limit switch R19994 R19995 Reduction motor R19996 ...

Page 16: ... the indoor heat exchanger thermistor 4 5 Remove the 4 screws and release the connecting wires Remove the screw and then the wire fixture For U S models U S models do not have the wire fixture There is a conduit hole on the back of the unit When reassembling make sure the connecting wires pass through the conduit hole and the conduit pipe is securely fastened by the lock nut Drip proof plate R1999...

Page 17: ...e harnesses from the 3 hooks S41 swing motors S200 fan motor 9 Remove the screw 10 Unfasten the 2 hooks and remove the electrical box When reassembling fit the rear side of the electrical box to the 2 hooks on the bottom frame Step Procedure Points Shield plate R20001 S41 Hook S200 R20002 R20003 R20004 Electrical box Hook Hook ...

Page 18: ...oints 1 Remove the display signal receiver PCB 1 Unfasten the 4 hooks and remove the lamp cover ASSY from the electrical box 2 Unfasten the 3 hooks and remove the display signal receiver PCB 3 Disconnect the connectors S51 and S52 S51 control PCB S52 room temperature thermistor Hook Hook Lamp cover ASSY R20005 Hook Hook Display signal receiver PCB R23807 S51 S52 R20007 ...

Page 19: ...CB 1 Cut the clamp and release the harness 2 Unfasten the 3 hooks with a flat screwdriver and remove the INTELLIGENT EYE sensor PCB 3 Disconnect the connector S36 S36 control PCB Step Procedure Points Clamp R20008 Hook Hook R20009 INTELLIGENT EYE sensor PCB R20010 R20011 S36 ...

Page 20: ... the terminal board Pull out the terminals and remove the terminal board 4 5 Cut the clamp Release the earth ground wire and indoor heat exchanger thermistor harnesses from the 2 hooks r 6 Unfasten the 3 hooks and remove the control PCB Step Procedure Points Shield plate Hook R20200 Terminal board R20013 Clamp Hook R20014 Hook Control PCB R23808 ...

Page 21: ...Remove the 2 screws fixed to the installation plate Hold the indoor unit up with a wooden base Place a plastic sheet under the drain pan to prevent wetting the floor with the remaining drain If the drain hose is embedded in the wall disconnect the drain hose beforehand When the pipings are disconnected protect the both openings of pipe side and unit side from entering of moisture Carry out the rem...

Page 22: ...e a sharp tool such as an awl to unfasten the hooks 7 Remove the shaft of the vertical blade from the swing motor shaft with a flat screwdriver 8 Remove the 3 screws of the cover link ASSY Step Procedure Points Hook Hook Fan guard R20019 R23809 R23810 Bottom view R23811 Cover link ASSY Right view ...

Page 23: ...ocedure 21 9 Remove the cover link ASSY 10 Unfasten the hook and remove the cover for horizontal blade gears 11 Remove the 2 gears and the 2 shafts Step Procedure Points Cover link ASSY R20023 R20024 R20025 Cover Hook Gear Shaft R20026 ...

Page 24: ... blade small 15 Disconnect the connector red from the swing motor for upper horizontal blade small Reassembling order 1 Set the swing motor for upper horizontal blade small first connector red 2 Then set the swing motor for lower horizontal blade large connector white 3 Fix both swing motors with their screws Step Procedure Points Swing motor for lower horizontal blade large R20027 Connector white...

Page 25: ...cal blade gear 17 Remove the gear and pull out the gear rack for vertical blade 18 Remove the screw and then the swing motor for vertical blade 19 Disconnect the connector green Step Procedure Points Cover R20031 Gear rack Gear R20032 Swing motor for vertical blade R23812 Connector green R20034 ...

Page 26: ...eaking 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 Disconnect the refrigerant piping Place a plastic sheet under the drain pan to prevent wetting the floor with the remaining drain If the drain hose is embed...

Page 27: ...2 screws on the left side of the unit 4 Unfasten the hook on the right side of the unit with a flat screwdriver When reassembling make sure the hook is securely fastened 5 Remove the indoor heat exchanger Step Procedure Points Auxiliary pipe R23813 R20039 Hook R20040 Hook R20209 Indoor heat exchanger R20041 ...

Page 28: ...es or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the screw and then the right side panel 2 Remove the screw of the fan motor fixing plate 3 Remove the fan motor fixing plate Right side panel R20042 Fan motor fixing plate R20043 Fan motor fixing plate R20044 ...

Page 29: ...ert 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 rotor 6 Remove the bearing Step Procedure Points R12158 Fan rotor Fan motor R3917 5 mm 0 2 inch Side face of rotor R18879 Side face of bo...

Page 30: ...tes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Unfasten the 4 hooks at the upper positions with a flat screwdriver 2 Remove the vertical blade ASSY 3 Unfasten the 6 hooks and remove the vertical blades Hook R20047 R20048 Vertical blade ASSY R20049 Vertical blade ...

Page 31: ...edition 02 2015 Si041401EA Model addition FTKJ09 12 18NV1SW S FTKJ25 35 42 50NVMW S FTKJ25 35 50NVM4W S FTKJ25 35 50NVMMW S FTK X J25 35 50NVMVW S FTXJ20 25 35 50LV1BW S FTXJ25 41NVLTW FTXJ25 35 50PVMAW S CTXG25 35 50PVMAW S 09 2016 Si041401EB Model addition CTXG09 12 18QVJUW S ...

Page 32: ...ies 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 instructio...

Reviews: