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Daikin RXS30HVJU, Service Manual

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Daikin RXS30HVJU Service Manual Download Page 28

Removal of PCBs

Si00-978

26

Removal Procedure

8

Disconnect the 2 
harnesses for the 
reactor [HR1] [HR2].

[HR1] : white
[HR2] : blue

„

The harness for [HR2] has a 
ferrite core.

9

Remove the 3 screws 
of the main PCB.

10

Release the 4 hooks.

11

Lift up and remove the 
main PCB.

Step

Procedure

Points

[HR1] [HR2]

Ferrite core

(R5286)

(R5287)

(R5288)

Hook

(R5289)

Main PCB

Summary of Contents for RXS30HVJU

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Pair Type 10 0 kW Class 30000 36000 Btu h Class Si00 978...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zHeat Pump RXS30HVJU RXS36HVJU RXS100HVMA RXS100JVMA...

Page 3: ...2 2 Removal of Outer Panels Pattern 2 11 3 Removal of Electrical Box 20 4 Removal of PCBs 24 5 Removal of Fan Motor 27 6 Removal of Coils Thermistors 28 7 Removal of Sound Blankets 31 8 Removal of Com...

Page 4: ...arance features The design of discharge grille is different depending on the model 2 Remove the suction grille The hooks are secured in the clearances of the outdoor heat exchanger fins 1 Unfasten the...

Page 5: ...val Procedure 3 4 Remove the right side panel 1 Remove the 5 screws 2 Slide the right side panel downward to unfasten the 2 hooks on the back side 3 Remove the right side panel Step Procedure Points R...

Page 6: ...nt panel 2 1 Remove the screw 2 Slide the front panel 2 downward to unfasten the 3 hooks 3 Remove the front panel 2 The insulation sheet is inserted between the front panel 2 and the electrical box St...

Page 7: ...grille and the outdoor fan first to remove the front panel 1 1 Remove the 4 screws on the discharge grille 2 Pull the bottom of the discharge grille and remove it 3 Remove the outdoor fan fixing nut...

Page 8: ...4 Remove the 3 screws on the partition plate 1 5 Remove the 2 screws at the bottom of the front 6 Remove the screw at the bottom of the left side 7 Remove the screw at the bottom of the back side Ste...

Page 9: ...1 has a hook on its front Lift the front panel 1 9 Remove the front panel 1 7 Remove the rear panel 1 Remove the 2 screws on the partition plate 2 2 Lift up slightly and remove the partition plate 2 S...

Page 10: ...e terminal board and earth ground wires Detach the connecting wire and the power supply wire 6 Remove the 4 screws on the rear panel Some models have 3 screws 7 Remove the screw on the bottom frame St...

Page 11: ...e mounting plate 9 Lift the rear panel upward to unfasten the 2 hooks 10 Push the hooks of the outdoor temperature thermistor holder from inner side of the rear panel and detach it Step Procedure Poin...

Page 12: ...Removal of Outer Panels Pattern 1 Si00 978 10 Removal Procedure 11 Remove the rear panel Step Procedure Points Rear panel R16640...

Page 13: ...arance features The design of discharge grille is different depending on the model 2 Remove the suction grille The hooks are secured in the clearances of the outdoor heat exchanger fins 1 Unfasten the...

Page 14: ...moval Procedure 4 Remove the right side panel 1 Remove the 5 screws 2 Slide the right side panel downward to unfasten the 2 hooks on the back side 3 Remove the right side panel Step Procedure Points R...

Page 15: ...ont panel 2 1 Remove the screw 2 Slide the front panel 2 downward to unfasten the 3 hooks 3 Remove the front panel 2 The insulation sheet is inserted between the front panel 2 and the electrical box S...

Page 16: ...lle and the outdoor fan first to remove the front panel 1 1 Remove the 4 screws on the discharge grille 2 Pull the bottom of the discharge grille and remove it 3 Remove the outdoor fan fixing nut Nut...

Page 17: ...4 Remove the 3 screws on the partition plate 1 5 Remove the 2 screws at the bottom of the front 6 Remove the screw at the bottom of the left side 7 Remove the screw at the bottom of the back side Ste...

Page 18: ...0 978 16 Removal Procedure 8 The front panel 1 has a hook on its front Lift the front panel 1 9 Remove the front panel 1 7 Remove the rear panel 1 Cut the clamps 2 Remove the 3 screws Step Procedure P...

Page 19: ...ound wires Detach the connection wires and the power supply wires 5 Remove the 2 screws on the partition plate 2 6 Lift up slightly and remove the partition plate 2 7 Remove the screw on the bottom fr...

Page 20: ...ve mounting plate 9 Lift the rear panel upward to unfasten the 2 hooks 10 Push the hooks of the outdoor temperature thermistor holder from inner side of the rear panel and detach it Step Procedure Poi...

Page 21: ...Si00 978 Removal of Outer Panels Pattern 2 Removal Procedure 19 11 Remove the rear panel Step Procedure Points Rear panel R16640...

Page 22: ...es or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the screw on the stop valve mounting plate 2 Remove the screw on the partition plate 1 3 Remove...

Page 23: ...lead wire When reassembling do not use these 2 hooks 6 Disconnect the connectors at the front S20 electronic expansion valve coil S80 four way valve coil S90 thermistors Step Procedure Points S70 Fer...

Page 24: ...he compressor lead wire is fixed on the partition plate 1 with a clamp 8 Pull out the clamp and release the compressor lead wire 9 Disconnect the relay connector for the overload protector and the com...

Page 25: ...of the thermistor harness from the hole of the electrical box 12 Slide the electrical box leftward to unfasten the hook on the right side of the box 13 Lift up the electrical box and remove it Step Pr...

Page 26: ...pplies before disassembling work Step Procedure Points 1 Remove the cover Preparation Remove the electrical box according to the Removal of Electrical Box 2 Disconnect the connectors S52 S102 from the...

Page 27: ...he terminal board and the earth wire 5 Unfasten the hook on the right 6 Open the terminal board 7 Disconnect the harnesses 1 Black 2 White 3 Red L1 Black L2 Brown N1 White N2 Blue Step Procedure Point...

Page 28: ...rnesses for the reactor HR1 HR2 HR1 white HR2 blue The harness for HR2 has a ferrite core 9 Remove the 3 screws of the main PCB 10 Release the 4 hooks 11 Lift up and remove the main PCB Step Procedure...

Page 29: ...Remove the electrical box according to the Removal of Electrical Box 2 3 Remove the 2 lower screws first Then remove the 2 upper screws Be sure to remove the lower screws first If the top screws are...

Page 30: ...r heat exchanger thermistor is different depending on the model You can remove the thermistor ASSY with the electrical box on 1 Disconnect S90 from the electrical box main PCB 2 Release the thermistor...

Page 31: ...ve the sound blanket top upper 4 Remove the discharge pipe thermistor 5 At the back side open the outdoor temperature thermistor holder Step Procedure Points Sound blanket top upper R16920 R9635 Disch...

Page 32: ...Removal Procedure 6 Release the outdoor temperature thermistor 3 Remove the four way valve coil 1 Remove the screw 2 Remove the four way valve coil Step Procedure Points Outdoor temperature thermisto...

Page 33: ...r supplies before disassembling work Step Procedure Points 1 Open the sound blanket outer 2 Remove the sound blanket top upper The sound blanket is fragile Carefully pass the discharge pipe through it...

Page 34: ...ound blanket outer 5 Open the sound blanket inner 6 Remove the sound blanket inner The sound blanket is fragile Be careful of the notches of the compressor mount 4 locations Step Procedure Points Soun...

Page 35: ...ng Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Pull out the 3 lead wires U red V yellow W...

Page 36: ...y 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 w...

Page 37: ...Revision History Month Year Version Revised contents 02 2013 Si00 978 First edition...

Page 38: ...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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