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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

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Warning

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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.

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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.

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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.

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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

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

Si281317

01/2013 AK

Summary of Contents for RZQ100HY4A

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Pair Type 4 5 6 HP Class Si281317...

Page 2: ...Service Manual Removal Procedure Outdoor Unit Applicable Models zHeat Pump RZQ100HY4A RZQ125HY4A RZQ160HY4A...

Page 3: ...3 3 Procedure to Remove Switch Box 4 4 Procedure to Remove PCB Assy 1 6 5 Procedure to Remove PCB Assy 2 7 6 Procedure to Remove PCB Assy 3 8 7 Procedure to Remove Low Pressure Sensor Electronic Expan...

Page 4: ...ownward to disassemble it 2 For the front panel side front panel unscrew a single mounting screw and then press this panel downward to remove it 3 For the top panel unscrew the 8 mounting screws and t...

Page 5: ...fan 2 Remove the fan motor In order to disconnect the connector do not pull the lead wire Hold the connector part and then press the hooks Cautions in mounting the motor Be sure to fix the motor lead...

Page 6: ...panel 1 Remove all connectors and Fasten terminals which have a connection to the switch box Remove the lead wire from the terminal of the high pressure switch Remove the lead wire of the compressor f...

Page 7: ...val Procedure 5 2 Unscrew the 2 screws that fix the switch box 3 In order to remove the switch box disengage the 3 hooks 1 on the right and 2 on the left and then pull out this switch box frontward or...

Page 8: ...om the terminal cover of the compressor Remove the lead wire from the terminal of the high pressure switch and low pressure sensor Disconnect the respective connectors from the following parts on the...

Page 9: ...r 1 Disconnect all connectors Unscrew the 3 screws that fix the mounting plate of electrical components for control 2 Disengage the hooks in 2 places to remove the mounting plate of electrical compone...

Page 10: ...urning off all power supplies before disassembling work Step Procedure Points 3 Remove the PCB unit for inverter 1 Unscrew the 4 screws that fix the PCB and the radiation fin 2 Disengage the 2 hooks a...

Page 11: ...ard 2 Strip off the brazed sections in 2 places on the body of the valve and then remove this body 2 Remove the high pressure switch 1 Disconnect the terminals from the high pressure switch and then s...

Page 12: ...e pipe thermistor pinch the mounting spring and pull out this thermistor 2 For the heat exchanger distributor pipe thermistor pull the clamp frontward and then remove this thermistor 3 In order to rem...

Page 13: ...in the unit before starting this removal In order to prevent a gas welding flame from having influence on other pipes protect them with a sheet or iron plate used for welding operation Caution While...

Page 14: ...sections are directly stripped off from the pipes oil may catch fire Be sure to cut the pipes in advance with a pipe cutter 1 Unscrew the 5 screws from the stop valve mounting plate 2 Disconnect the g...

Page 15: ...Revision History Month Year Version Revised contents 01 2013 Si281317 First edition...

Page 16: ...ries 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 acce...

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