Daikin 2AMX40G3V1B, Removal Procedure

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 4 0 5 0 kW Class Outdoor Unit Inverter Multi Type Si121295...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zHeat Pump 2AMX40G3V1B 2AMX50G3V1B 2MXS40H3V1B 2MXS50H3V1B...

Page 3: ...Outer Panels 2 2 Outdoor Fan Fan Motor 3 3 Electrical Box 5 4 PCB 9 5 Sound Blankets 12 6 Thermistors 14 7 Four Way Valve Outdoor Electronic Expansion Valves 16 8 Compressor 19 Note The illustrations...

Page 4: ...screws and remove the top panel The front panel has 4 hooks 2 Remove the 8 screws and remove the front panel 3 Remove the 4 screws and remove the discharge grille 4 Remove the 2 screws and remove the...

Page 5: ...the nut and remove the outdoor fan Nut size M6 When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft 2 Disconnect the connector S70 S70 fan motor 3 Release the...

Page 6: ...en the 2 hooks to release the fan motor lead wire 6 Remove the 4 screws and remove the fan motor When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangl...

Page 7: ...erminal board 1 Remove the 2 screws of earth wires Remove the 2 screws and remove the wire fixture Then remove all the screws to disconnect the power supply cables and the connecting wires 2 Remove th...

Page 8: ...S92 liquid pipe thermistor red 6 Disconnect the connector S40 S40 overload protector 7 Disconnect the connectors S20 S21 S80 S20 outdoor electronic expansion valve coil for room A white S21 outdoor e...

Page 9: ...eactor 10 Release the discharge pipe thermistor Meet the edge of the thermistor and the fixture Be careful not to lose the fixture for the thermistor 11 Disconnect the connector S90 S90 thermistors ou...

Page 10: ...clamp for the thermistors from the electrical box 13 Remove the screw on the right side of the electrical box 14 Loosen the screw at the front of the electrical box 15 Lift and remove the electrical b...

Page 11: ...sulation sheet The trimmed part goes front 3 Remove the 2 screws and remove the terminal boards The thermal fuse is united with terminal board 4 Release the earth wire from the hook 5 Remove the 2 scr...

Page 12: ...rews varies depending on the model 8 Lift up the back side of the electrical box slightly and unfasten the 3 hooks When reassembling make sure that the hooks of the electrical box are placed on the PC...

Page 13: ...Si121295 PCB Removal Procedure 11 10 Lift up and remove the PCB 11 Remove the 2 screws and remove the radiation fin Step Procedure Points R7606 R18656 Radiation fin rear side...

Page 14: ...nts 1 Remove the right side panel 1 Remove the 6 screws and remove the right side panel 2 Remove the partition plate When reassembling fit the lower hooks into the bottom frame 1 Remove the 2 screws 2...

Page 15: ...top The design of the sound blankets is different depending on the models 1 Untie the strings open the sound blanket outer and pull it out 2 Remove the sound blanket top 3 Open the sound blanket inne...

Page 16: ...y of thermistors Be careful not to lose the fixture for the thermistor 1 Release the discharge pipe thermistor 2 Cut the clamp and pull out the outdoor heat exchanger thermistor 3 The thermistors are...

Page 17: ...thermistor room A black room B gray S92 liquid pipe thermistor room A black room B gray 3 The figure shows the arrangement of the assembly of the liquid gas thermistors Step Procedure Points R7635 Th...

Page 18: ...low 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry Note Before working make sure that the refrigerant gas is empty in the circuit Be...

Page 19: ...or electronic expansion valve coils 3 Remove the putty 4 Remove the terminal cover 2 Remove the outdoor electronic expansion valves and the four way valve 1 Heat up the 2 brazed parts of the outdoor e...

Page 20: ...tronic Expansion Valves Si121295 18 Removal Procedure 2 Heat up the brazed parts of the four way valve 3 Cut the pipes 4 Heat up the brazed parts Pull the pipe with pliers and disconnect Step Procedur...

Page 21: ...he deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry Note Before working make...

Page 22: ...ver and remove the overload protector 4 Remove the 2 nuts of the compressor 5 Heat up the brazed part of the discharge side and disconnect 6 Heat up the brazed part of the suction side and disconnect...

Page 23: ...Revision History Month Year Version Revised contents 02 2013 Si121295 First edition...

Page 24: ...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 acces...