Daikin RXF125KC Removal Procedure Download | Manualshive

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REMOVAL

PROCEDURE

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

2.5/3.5 kW Class

Outdoor Unit

Inverter

Pair Type

Si001157

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Summary of Contents for RXF125KC

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 2 5 3 5 kW Class Outdoor Unit Inverter Pair Type Si001157 ...

Page 2: ...Service Manual Removal Procedure Outdoor Unit Applicable Models zHeat Pump RXF125KC RXF135KC RZS235KC RZS235KCG RZS235KCP RZS235KCS ...

Page 3: ...2 2 Removal of Electrical Box 9 3 Removal of PCBs 12 4 Removal of Reactor Partition Plate 17 5 Removal of Sound Blankets 19 6 Removal of Thermistor ASSY 21 7 Removal of Four Way Valve 22 8 Removal of Compressor 25 Note The illustrations may be slightly different depending on the model ...

Page 4: ...isassembling work Step Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the outdoor heat exchanger 2 Remove the panels The stop valve cover is united with the shield plate When reassembling make sure to fit the 5 hooks 1 Remove the screw of the stop valve cover Pull down the stop valve cover and remove it R7186 R3236 R7188 Stop valve cover R7189 Shield plate H...

Page 5: ...ure 3 2 Remove the 2 screws and lift the top panel 3 Remove the drip proof plate 4 Remove the 4 screws and remove the discharge grille The discharge grille has 4 hooks Step Procedure Points Top panel R7190 R7191 Drip proof plate R12569 Discharge grille R12570 ...

Page 6: ...emove the front panel The front panel has 4 hooks 3 Remove the fan motor Nut size M6 1 Remove the nut of the outdoor fan 2 Remove the outdoor fan When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft Step Procedure Points R12571 Front panel R12572 Hook Outdoor fan R15669 10 mm R12236 R12574 D cut ...

Page 7: ... Procedure 5 3 Release the outdoor temperature thermistor 4 Disconnect the connector for the fan motor S70 5 Release the fan motor lead wire from the hook Step Procedure Points R11829 Outdoor temperature thermistor S70 R15680 Fan motor lead wire R12576 ...

Page 8: ...6 Removal Procedure 6 Remove the screw of the fan motor fixing frame 7 Lift and remove the fan motor fixing frame When reassembling fit the lower hooks into the bottom frame Step Procedure Points R12577 Fan motor fixing frame R12578 R7206 R7206 ...

Page 9: ...ck of the fan motor so as not to be entangled with the outdoor fan 9 Remove the 4 screws and remove the fan motor 4 Remove the right side panel 1 Remove the 7 screws on the right side panel 2 Unfasten the hook on the rear side When reassembling make sure to fit the hook Step Procedure Points R12579 Lead wire Outdoor fan R12215 R12580 Fan motor R15670 Right side panel R12584 ...

Page 10: ...Removal of Outer Panels Fan Motor Si001157 8 Removal Procedure 3 Lift up the right side panel and remove it When reassembling make sure to fit the hook Step Procedure Points R12585 Hook ...

Page 11: ...edure Points 1 Disconnect the 2 connectors for the reactor Preparation Remove the panels and disconnect the connector for the fan motor according to the Removal of Outer Panels Fan Motor Rear Brown Front White 2 Disconnect the relay connector for the compressor 3 Disconnect the connector for the thermistors S90 When reassembling coil the excessive lead wire and hang the loop on the hook R12586 R15...

Page 12: ...ocedure 4 Disconnect the connector for the overload protector S40 5 Disconnect the connector for the electronic expansion valve coil S20 6 Disconnect the connector for the four way valve coil S80 Step Procedure Points R12589 S40 R12590 S20 R12591 S80 ...

Page 13: ...Si001157 Removal of Electrical Box Removal Procedure 11 7 Lift and remove the electrical box Step Procedure Points R13179 Electrical box ...

Page 14: ...re after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the main PCB You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box 1 Feature of the main PCB 2 Cut the 3 clamps 3 Release the harnesses R12593 R12594 R12595 ...

Page 15: ...ure 13 4 Disconnect the connector for the filter PCB S10 5 Disconnect the connector for the filter PCB HL3 6 Disconnect the connector for the filter PCB HN3 7 Remove the 6 screws Step Procedure Points R12596 S10 R12598 HL3 R12599 HN3 R12600 ...

Page 16: ... hooks on the upper side When reassembling be sure to fit all the 4 hooks 9 Lift and pull out the main PCB S10 HL3 HN3 filter PCB S20 electronic expansion valve coil S40 overload protector S70 fan motor S80 four way valve coil S90 thermistors Step Procedure Points R13201 R12602 R12603 HN3 HL3 S80 S20 S40 S70 S10 S90 ...

Page 17: ... filter PCB 1 Remove the 2 screws and release the earth wires 2 Disconnect the connectors from the terminal board 1 black upper 2 white lower 3 red upper green lower 3 Release the harnesses from the groove Step Procedure Points Earth wire R17485 R12605 R12606 ...

Page 18: ...al of PCBs Si001157 16 Removal Procedure 4 Release the harnesses from the hook 5 Remove the screw 6 Unfasten the 2 hooks and remove the filter PCB Step Procedure Points R12607 R12608 R12609 Filter PCB R12610 ...

Page 19: ...sassembling work Step Procedure Points 1 Remove the reactor Preparation 1 Remove the screw and remove the reactor Remove the panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box When reassembling be sure to fit the 3 hooks of the reactor 2 Remove the partition plate 1 Remove the 2 screws Reactor R12611 R12612 R12613 Partitio...

Page 20: ... Plate Si001157 18 Removal Procedure 2 The partition plate has 2 hooks on the lower side Lift and pull the partition plate and remove it When reassembling fit the lower hooks into the bottom frame Step Procedure Points R12614 Hook ...

Page 21: ...cedure Points 1 Untie the string and open the sound blanket outer Preparation Remove the panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box 2 Pull the sound blanket outer out Since the piping ports are torn easily remove the sound blanket carefully 3 Remove the sound blanket top R15888 Sound blanket outer R15889 R12617 Sou...

Page 22: ...l of Sound Blankets Si001157 20 Removal Procedure 4 Pull the sound blanket inner out Since the piping ports are torn easily remove the sound blanket carefully Step Procedure Points R12618 Sound blanket inner ...

Page 23: ...sembling work Step Procedure Points 1 Release the discharge pipe thermistor Be careful not to lose the clip for the thermistor 2 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor 3 Cut the clamp and remove the thermistor ASSY Discharge pipe thermistor R12619 R12279 Clip Outdoor heat exchanger thermistor R12620 Clip R3264 R12621 Thermistor ASSY ...

Page 24: ...or 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Pull out the electronic expansion valve coil 2 Remove the terminal cover 3 Disconnect the lead wires of the compressor R7233 Electronic expansion valve coil R7234 Terminal cover V W U Red U Yellow V Blue W R7235 ...

Page 25: ...ation 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 four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut p...

Page 26: ...ing pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Step Procedure Points R7250 ...

Page 27: ...ment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas 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 by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth...

Page 28: ... into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to burn the compressor terminals the name plate the heat exchanger fins 4 Lift the compressor up and remove it Step Procedure Points R12032 Suction side R7254 ...

Page 29: ...Revision History Month Year Version Revised contents 08 2012 Si001157 First edition ...

Page 30: ...ories 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 instruct...

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