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Removal of Four Way Valve

Si00-974

16

Removal Procedure

5. Removal of Four Way Valve

Procedure

Warning

Be sure to wait for 10 minutes or more after turning off all power 
supplies before disassembling work.

Step

Procedure

Points

1. Remove the peripheries.

„

There are 2 hooks at the 
inner side of the terminal 
cover.

1

Remove the screw and 
remove the four way 
valve coil.

2

Remove the terminal 
cover.

3

Disconnect the lead 
wires of the 
compressor.

Four way valve coil

(R7412)

Terminal cover

(R7413)

(R12653)

U

V

W

(R7414)

U(red)

V(yellow)

W(blue)

Summary of Contents for RXS25HV2C

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 2 5 3 2 3 5 kW Class Outdoor Unit Inverter Pair Type Si00 974...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zHeat Pump RXS25HV2C RXP25HV2C RXP32HV2C RXP35HV2C...

Page 3: ...al of Outer Panels 2 2 Removal of Outdoor Fan Fan Motor 4 3 Removal of Electrical Box PCBs 6 4 Removal of Sound Blankets 14 5 Removal of Four Way Valve 16 6 Removal of Compressor 19 Note The illustrat...

Page 4: ...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 Whe...

Page 5: ...move the 5 screws of the front panel 4 Lift up the left side and unfasten the hooks 5 Unfasten the right side hooks and remove the front panel 6 7 Remove the 4 screws of the discharge grille Unfasten...

Page 6: ...according to the Removal of Outer Panels Nut size M6 1 2 Remove the nut of the outdoor fan Remove the outdoor fan When reassembling align the mark of the outdoor fan with the D cut section of the moto...

Page 7: ...motor lead wire from the hooks When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 5 Remove the 3 screws and remove the fan...

Page 8: ...g work Step Procedure Points 1 Remove the right side panel Preparation Remove the panels according to the Removal of Outer Panels 1 Unhook the outdoor temperature thermistor 2 Release the outdoor temp...

Page 9: ...e 7 5 Remove the screw on the rear side of the right side panel 6 Remove the 4 screws on the right side panel 7 Unfasten the hook on the rear side When reassembling make sure to fit the hook Step Proc...

Page 10: ...electrical box 9 Unfasten the hook and remove the right side panel 2 Remove the electrical box 1 Disconnect the connector for the four way valve coil S80 2 Disconnect the connector for the overload pr...

Page 11: ...e for the electronic expansion valve coil 5 Disconnect the relay connector for the compressor Pay attention so as not to lose the fixture for the thermistor When reassembling do not insert the thermis...

Page 12: ...lose the clip for the thermistor 8 Cut the clamp 9 Unfasten the hook from the partition plate with a flat screwdriver The electrical box can be removed by lifting itself without a screwdriver 10 Lift...

Page 13: ...1 3 Remove the main PCB 1 Remove the screw on the terminal board 2 Cut the clamp 3 Remove the 2 screws of the earth wire 4 Disconnect the 2 terminals of the reactor Step Procedure Points R15865 Termin...

Page 14: ...5 Remove the 3 screws to remove the reactor 6 Disconnect the connector for the thermistors S90 7 Remove the 6 screws 8 Disconnect the 3 connectors for the filter PCB S10 HL3 HN3 Step Procedure Points...

Page 15: ...he 2 hooks 10 Lift and remove the main PCB 11 Feature of 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 thermi...

Page 16: ...more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the partition plate 1 Remove the 2 screws 2 The partition plate has a hook on the lower side Lift an...

Page 17: ...the sound blanket are torn easily remove the blanket carefully 1 Lift and remove the sound blanket top 2 Pull the sound blankets outer inner 2 out 3 Pull the sound blanket inner 1 out Step Procedure...

Page 18: ...power supplies before disassembling work Step Procedure Points 1 Remove the peripheries There are 2 hooks at the inner side of the terminal cover 1 Remove the screw and remove the four way valve coil...

Page 19: ...Si00 974 Removal of Four Way Valve Removal Procedure 17 4 Remove the electronic expansion valve coil 5 Remove the putty Step Procedure Points R7415 Electronic expansion valve coil Putty R7416...

Page 20: ...e 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...

Page 21: ...he 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 dis...

Page 22: ...Revision History Month Year Version Revised contents 02 2013 Si00 974 First edition...

Page 23: ...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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