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Si001274EC

Four Way Valve / Electronic Expansion Valve

Removal Procedure

23

2

Remove the sheets of
putty.

3

Heat up the 2 brazed
parts of the electronic
expansion valve and
remove it.

Step

Procedure

Points

(R18909)

Putty

(R22542)

Electronic expansion valve

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Содержание RKS18JV2S

Страница 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 4 0 4 5 5 0 6 0 kW Class 18000 Btu h Class Outdoor Unit Inverter Pair Type Si001274EC...

Страница 2: ...RKS40MVLT RKS50MVLT RXS45LAVMA RKS50J2V1B9 RXS50JAVLT RKS60F3V1B9 RXS60JAVLT RKS50GVM4 ARXS50G3V1B RKS60GVM4 RX50G2V1B9 RX60G2V1B9 RKS50GVMV RX50G3V1B RKS60GVMV RX60G3V1B RKS50HVM RXG50K3V1B RKS60HVM...

Страница 3: ...r Fan Fan Motor 4 3 Electrical Box 6 4 PCBs 13 5 Sound Blankets Thermistors 19 6 Four Way Valve Electronic Expansion Valve 21 7 Compressor 24 Note The illustrations may be slightly different depending...

Страница 4: ...rews and remove the top panel Remove the 4 screws and remove the discharge grille Take care not to cut your finger by the fins of the outdoor heat exchanger Slide the discharge grille upward and remov...

Страница 5: ...front panel When reassembling fit the 3 left side hooks of the front panel first 6 Remove the screw of the stop valve cover 7 Pull down the stop valve cover to unfasten the hooks and remove it The sto...

Страница 6: ...otor 3 4 Release the clamp from the partition plate Release the fan motor lead wire from the groove and the 2 hooks of the partition plate The ferrite core of the fan motor lead wire has a clamp 5 Rem...

Страница 7: ...frame When reassembling fit the lower 2 hooks into the bottom frame 9 Open the hook and release the fan motor lead wire When reassembling put the fan motor lead wire through the back of the fan motor...

Страница 8: ...tep Procedure Points 1 Remove the 2 screws and remove the protection plate 2 Remove the 3 screws and remove the wire fixture 3 Remove the 7 screws and remove the connecting wire and the power supply w...

Страница 9: ...or 6 Remove the 4 screws of the right side panel 7 Unfasten the 3 hooks and remove the right side panel When reassembling insert the upper hook and the 2 lower hooks back into place Step Procedure Poi...

Страница 10: ...e model Be careful not to lose the clip for the thermistor 10 Disconnect the connector S70 S70 fan motor 11 12 Release the clamp from the partition plate Release the fan motor lead wire from the groov...

Страница 11: ...e connector S40 S40 overload protector 14 Pull out the clamp 15 16 Disconnect the connector S20 Pull out the clamp S20 electronic expansion valve coil 17 Pull out the clamp under the electrical box St...

Страница 12: ...only models have no harness for S80 When reassembling insert the clamps of harnesses as below 20 Pull out the clamp When reassembling connect the connectors in the following order 1 S80 2 S20 3 S40 4...

Страница 13: ...tion plate 24 Disconnect the connector S90 S90 thermistors When reassembling pass the thermistor harness under the harnesses HL2 blue HN2 white from the filter PCB When reassembling insert the clamp a...

Страница 14: ...2 clamps at the bottom of the electrical box When reassembling insert the 2 clamps into the bottom of the electrical box 28 Pull out the clamp at the back 29 Remove the screw and remove the electrica...

Страница 15: ...ling work Step Procedure Points 1 Remove the main PCB S12 for HL4 HN4 on filter PCB 1 Disconnect the connector S12 and pull out the clamp 2 Disconnect the connector S10 S10 for S11 on filter PCB 3 Pul...

Страница 16: ...r PCB HN3 for HN2 on filter PCB 5 Pull out the clamp When reassembling insert the clamp as below 6 7 Remove the 2 upper screws Remove the lower screw Screw size A M4 16 B M4 8 Step Procedure Points HN...

Страница 17: ...Procedure 15 8 Lift the main PCB ASSY 9 Unfasten the 4 hooks at the bottom 10 11 Remove the 8 screws Unfasten the 2 hooks and remove the main PCB Step Procedure Points R16813 Main PCB ASSY R19536 Hoo...

Страница 18: ...he earth ground wire screw 2 Pull out the terminals from the terminal board Before pulling out the terminals confirm the terminal locations from the following patterns Pattern 1 1 black back 2 white b...

Страница 19: ...Si001274EC PCBs Removal Procedure 17 3 Pull out the clamp 4 Release the harnesses from the groove 5 Remove the 2 screws Step Procedure Points R16816 R16817 R16818...

Страница 20: ...274EC 18 Removal Procedure 6 Unfasten the 3 hooks of the filter PCB ASSY 7 8 Remove the screw Unfasten the 2 hooks and remove the filter PCB Step Procedure Points R18905 Filter PCB ASSY R14367 R19538...

Страница 21: ...re disassembling work Step Procedure Points 1 Remove the 2 screws and remove the partition plate 2 Remove the sound blanket top upper The design of the sound blankets varies depending on the model 3 R...

Страница 22: ...easily remove the sound blankets carefully 6 Remove the sound blanket inner 7 8 Release the discharge pipe thermistor Remove the thermistor ASSY Be careful not to lose the fixture for the thermistor...

Страница 23: ...F 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 sure t...

Страница 24: ...eat up the brazed part of the four way valve and disconnect 3 Heat up every brazed parts in turn and remove the four way valve 2 Remove the electronic expansion valve 1 Pull out the electronic expansi...

Страница 25: ...e Electronic Expansion Valve Removal Procedure 23 2 Remove the sheets of putty 3 Heat up the 2 brazed parts of the electronic expansion valve and remove it Step Procedure Points R18909 Putty R22542 El...

Страница 26: ...ng Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the brazed part Do not use a metal saw for cutting pipes by all...

Страница 27: ...tty 5 Remove the 2 nuts of the compressor 6 Heat up the brazed part of the discharge side and disconnect it 7 8 Heat up the brazed part of the suction side and disconnect it Lift up the compressor and...

Страница 28: ...d contents 04 2013 Si001274 First edition 11 2013 Si001274EA Model addition RKS50 60GVM4 RKS50 60GVMV 03 2014 Si001274EB Model addition RXG50L2V1B 09 2015 Si001274EC Model addition RKS50J2V1B9 RKS60F3...

Страница 29: ...es 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 access...

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