Daikin SUPER MULTI NX 2MXS18GVJU Скачать руководство пользователя страница 1 | Manualshive

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REMOVAL

PROCEDURE

S E R V I C E M A N U A L

7.1/8.0 kW Class
18000 Btu/h Class

Outdoor Unit

Inverter

Multi Type

Si12-994

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Содержание SUPER MULTI NX 2MXS18GVJU

Страница 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 7 1 8 0 kW Class 18000 Btu h Class Outdoor Unit Inverter Multi Type Si12 994...

Страница 2: ...Service Manual Removal Procedure Outdoor Unit zHeat Pump 2MXS18GVJU 3MXS80EV2C PMXS3GV2C...

Страница 3: ...ttern 2 7 4 Removal of PCBs Pattern 1 12 5 Removal of PCBs Pattern 2 16 6 Removal of Fan Motor 19 7 Removal of Sound Blankets 20 8 Removal of Coils Thermistors 22 9 Removal of Four Way Valve Defrost S...

Страница 4: ...er turning off all power supplies before disassembling work Step Procedure Points 1 External appearance 2 Remove the 4 screws of the top panel and the 6 screws of the front panel 3 Remove the 4 screws...

Страница 5: ...2 Remove the terminal board fixing screw Match the colors of the connection wires to A B and C ports as follows 1 Black Power supply 2 White Power supply 3 Red Transmission The wires are fixed to the...

Страница 6: ...way valve coil S80 3 Disconnect the connectors for the thermistors S90 S92 S93 and the connector for the overload protector S40 S40 Overload protector S90 Thermistor outdoor temperature outdoor heat e...

Страница 7: ...eactor lead wires 3 Remove the wire fixing plate 1 Remove the 2 screws of the wire fixing plate 4 Remove the electrical box 1 Remove the screw of the electrical box 2 Remove the screw of the electrica...

Страница 8: ...94 6 Removal Procedure 3 Remove the drip proof cover 4 Disconnect the connector for the fan motor S70 from the inverter PCB 5 Lift up the electrical box and dismount it Step Procedure Points Drip proo...

Страница 9: ...2 Remove all the screws of the connecting wires and the power supply wires 3 Remove the screw of the earth ground wire 2 Remove the harnesses S20 White S21 Red Bundle the harnesses of the electronic...

Страница 10: ...ature outdoor heat exchanger discharge pipe S92 gas pipe thermistors S93 liquid pipe thermistors Pull out the clamp When reassembling insert each clamp of the thermistors into one of the holes as belo...

Страница 11: ...of Electrical Box Pattern 2 Removal Procedure 9 4 Disconnect the relay connector of the compressor 5 Release the clamp with pliers 6 Disconnect the reactor lead wires Step Procedure Points R17065 R170...

Страница 12: ...ical box 1 Remove the screw of the shield plate 2 Unfasten the 2 hooks and remove the shield plate 3 Remove the screw on the right side of the electrical box 4 Remove the screw on the front side of th...

Страница 13: ...11 5 Remove the drip proof cover 6 Disconnect the connector for the fan motor S70 from the inverter PCB MID2 Release the fan motor lead wire from the hooks 7 Remove the electrical box Step Procedure P...

Страница 14: ...ep Procedure Points 1 Remove the service monitor PCB and the main PCB 1 Remove the screw of the main PCB and release the 2 hooks 2 Remove the screw and release the hook of the terminal board and open...

Страница 15: ...the service monitor PCB 8 Release the 2 hooks to remove the service monitor PCB Step Procedure Points R6577 Drip proof plate R6578 S102 S52 Service monitor PCB Priority room setting switch SW4 Wiring...

Страница 16: ...i12 994 14 Removal Procedure 9 Remove the service monitor PCB 10 Lift up the main PCB 11 Disconnect the connectors S31 S32 S33 S71 H1 H2 Step Procedure Points R6580 Main PCB R2181 S31 S71 S33 R10362 H...

Страница 17: ...he connector E 13 The figure shows the main PCB 2 Remove the inverter PCB MID2 1 Remove the 7 screws to remove the inverter PCB MID2 Step Procedure Points E green yellow R2184 H1 H2 S22 S80 S21 S20 S4...

Страница 18: ...r PCB and the main PCB When reassembling insert the base bar into the hole of the main PCB 1 Remove the screw of the main PCB and unfasten the 2 hooks 2 Unfasten the hook of the terminal board and ope...

Страница 19: ...17 5 Lift up the main PCB 6 Disconnect the connectors S31 S32 S33 S71 H1 H2 7 The figure shows the main PCB Step Procedure Points R2181 S31 S71 S33 R10362 H1 yellow S32 H2 blue R10363 S80 S21 S20 S40...

Страница 20: ...er PCB MID2 1 Remove the 7 screws and remove the inverter PCB MID2 Step Procedure Points Priority room setting switch SW4 Wiring error check switch SW3 Forced operation ON OFF switch SW1 NIGHT QUIET m...

Страница 21: ...the connector for the fan motor Nut size M6 When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft When reassembling fix the fan motor lead wire to the clamps to...

Страница 22: ...o wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 5 screws of the right side panel 2 Release the clamp with pliers 3 Remov...

Страница 23: ...4 Remove the sound blanket top upper top inner outer inner Step Procedure Points Sound blanket top upper Sound blanket top inner Sound blanket inner Sound blanket outer Carefully remove the sound bla...

Страница 24: ...nd remove the defrost solenoid valve coil Only for the U S model 3 Remove the electronic expansion valve coil for each room 4 Release the fixture and remove the discharge pipe thermistor Place the the...

Страница 25: ...the clip or fixtures for the liquid and gas pipe thermistor 6 Remove the wire harness S90 Outdoor temperature thermistor Blue Outdoor heat exchanger thermistor Gray Discharge pipe thermistor Black S9...

Страница 26: ...Cautions for restoration 1 Restore the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected...

Страница 27: ...solenoid valve is only for the U S models Note Do not use a metal saw for cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them...

Страница 28: ...as Cautions for restoration 1 Restore the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affect...

Страница 29: ...s or more after turning off all power supplies before disassembling work Step Procedure Points 1 2 Remove the terminal cover Disconnect the compressor lead wires 3 Remove the 2 sheets of putty 4 Remov...

Страница 30: ...tion brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the fou...

Страница 31: ...Revision History Month Year Version Revised contents 02 2013 Si12 994 First edition...

Страница 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 acces...

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