background image

Head Office:
Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,
Kita-ku, Osaka, 530-8323 Japan

Tokyo Office:
JR Shinagawa East Bldg., 2-18-1, Konan,
Minato-ku, Tokyo, 108-0075 Japan

http://www.daikin.com/global_ac/

All rights reserved

c

Warning

z

Daikin products are manufactured for export to numerous countries throughout the world. Prior to 
purchase, please confirm with your local authorised importer, distributor and/or retailer whether this 
product conforms to the applicable standards, and is suitable for use, in the region where the product 
will be used. This statement does not purport to exclude, restrict or modify the application of any local 
legislation.

z

Ask a qualified installer or contractor to install this product. Do not try to install the product yourself. 
Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion.

z

Use only those parts and accessories 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 instructions and warnings. Be sure to follow these instructions and warnings.

If you have any enquiries, please contact your local importer, distributor and/or retailer.

Cautions on product corrosion

1. Air conditioners should not be installed in areas where corrosive gases, such as acid gas or alkaline gas, are produced.
2. If the outdoor unit is to be installed close to the sea shore, direct exposure to the sea breeze should be avoided. If you need to install 

the outdoor unit close to the sea shore, contact your local distributor.

Dealer

z

Specifications, designs and other content appearing in this brochure are current as of June 2013 but subject to change without notice.

Si00-875

06/2013 AK.B

Summary of Contents for RKS42GVLT

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Hybrid Pair Type 4 2 5 0 6 0 7 1 kW Class Si00 875...

Page 2: ...T ARXS50E3V1B RXS42GVLT RKS60FBVMA ARXS50G2V1B RKS50G2V1B RXS50G2V1B RKS50FVM RXS50FBV2C RKS60FVM RKS50GVMG RYN50FV1A RKS71FVM RKS60GVMG RXS50FBVMA RYN60FV1A RKS71GVMG RXS60FBVMA RKS50FVLT RKS60FVLT R...

Page 3: ...l of Electrical Box 8 4 Removal of PCBs 12 5 Removal of Sound Blankets Thermistors 15 6 Removal of Four Way Valve 17 7 Removal of Electronic Expansion Valve 18 8 Removal of Compressor 19 Note The illu...

Page 4: ...efore disassembling work Step Procedure Points 1 Remove the panels Take care not to cut your finger by the fins of the outdoor heat exchanger 1 Remove the 4 screws and lift the top panel 2 Remove the...

Page 5: ...unfasten the hooks 5 Unfasten the left side hooks and then the right side hook Remove the front panel Lift the front panel while pushing the left side panel inward Lift the front panel and unfasten t...

Page 6: ...right side of the front panel first 2 Remove the stop valve cover 1 Remove the screw of the stop valve cover 2 Pull the stop valve cover downward to unfasten the hooks and remove it The stop valve co...

Page 7: ...ocedure Points 1 Remove the electrical box cover Preparation Remove the top panel and the front panel according to the Removal of Outer Panels This procedure is not necessary to remove the outdoor fan...

Page 8: ...for the fan motor S70 2 Release the fan motor lead wire from the 7 hooks 3 Remove the nut of the outdoor fan Nut size M6 When reassembling align the mark of the outdoor fan with the D cut section of...

Page 9: ...motor may tilt down or fall and cause injury because its center of gravity is shifted to the front 5 Then remove the 2 upper screws 6 Release the fan motor lead wire from the 2 hooks and pull the fan...

Page 10: ...ate Preparation Remove the top panel and the front panel according to the Removal of Outer Panels 2 Slide the shield plate upward to unfasten the hook on the bottom left and then remove the shield pla...

Page 11: ...ws of the right side panel 6 Remove the screw of the electrical box 7 Unfasten the hooks and remove the right side panel When reassembling insert the upper hook and the 2 lower hooks back into place S...

Page 12: ...e relay connector for the compressor 10 Release the clamp 11 Release the clamp by pliers Some models do not have the clamp 12 Detach the clamp and release the thermistor lead wires from the hook Step...

Page 13: ...ctrical Box Removal Procedure 11 13 Remove the screw 14 Release the harness of the outdoor temperature thermistor from the hook 15 Lift and remove the electrical box Step Procedure Points R12316 R9403...

Page 14: ...k Step Procedure Points 1 Disconnect the connectors S52 S102 from the service monitor PCB Preparation Remove the electrical box according to the Removal of Electrical Box 2 Detach the 4 clamps with pl...

Page 15: ...tor for standby electricity saving from the terminal board 1 Black 2 White 3 Red L1 Black L2 Brown N1 White N2 Blue Some models have no relay connector for standby electricity saving 7 Disconnect the...

Page 16: ...moval of PCBs Si00 875 14 Removal Procedure 8 Remove the 3 screws of the main PCB 9 Unfasten the 4 hooks 10 Lift up and remove the main PCB Step Procedure Points Main PCB R5287 R5288 Hook Main PCB R52...

Page 17: ...tes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the sound blanket top upper The design of the sound blankets varies depending on the model 2 R...

Page 18: ...arefully 5 Remove the sound blanket inner 6 Release the discharge pipe thermistor Be careful not to lose the clip for the thermistor 7 Cut the clamp and pull out the outdoor heat exchanger thermistor...

Page 19: ...ant 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 a...

Page 20: ...the gas brazing machine Warning If the refrigerant gas leaks during work ventilate the room If the refrigerant gas is exposed to flames toxic gas may be generated Caution From the viewpoint of global...

Page 21: ...r 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 terminal cover 2 Disconnect the lead wires...

Page 22: ...d Warning Since it may happen that the refrigerant oil in the compressor catches fire prepare wet cloth so as to extinguish fire immediately Caution From the viewpoint of global environment protection...

Page 23: ...ry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the main unit with a tube cutter in order to make it easy to disco...

Page 24: ...Revision History Month Year Version Revised contents 06 2013 Si00 875 First edition...

Page 25: ...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 acc...

Reviews: