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Procedure to Remove Compressor

Si241307

6

Removal Procedure

3. Procedure to Remove Compressor

Procedure

Warning      Be sure to wait for 10 minutes or more after turning off all power 

supplies before disassembling work.

Step

Procedure

Points

„

Make sure that refrigerant 
is completely empty in the 
circuit before 
disassembling.

Warning

If refrigerant gas leaks during 
servicing work, ventilate the 
area. (If refrigerant gas 
contacts flames, hazardous 
gas can be generate.)

1

Disconnect the suction 
pipe and the discharge 
pipe of the compressor 
at brazed sections.

Discharge 
pipe

Suction pipe

Summary of Contents for R21NUV1

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Non Inverter Pair Type 2 5 HP Class Si241307 ...

Page 2: ...Service Manual Removal Procedure Outdoor Unit Applicable Models zCooling Only R21NUV1 ...

Page 3: ...Si241307 Removal Procedure 1 Table of Contents 1 Procedure to Remove Outside Panels 2 2 Procedure to Remove El Compo Box 3 3 Procedure to Remove Compressor 6 ...

Page 4: ...ork Step Procedure Points 1 To dismount the top panel remove the 4 mounting screws A 2 To dismount the front panel remove the 6 mounting screws B 3 To dismount the service cover remove the 2 mounting screws 4 To dismount the side panel remove the 6 mounting screws Interconnecting wire terminal Power supply terminal Earth terminal Top panel A Service cover Side panel B Front panel B B A A A B B B C...

Page 5: ...ll power supplies before disassembling work Step Procedure Points 1 Remove the wire harness connectors from the PCB 2 Dismount the outdoor air thermistor and the heat exchanger thermistor Attach to the 3rd row of heat exchanger pipe at 30mm from the left end Route thermistor wire through the specified section to prevent wire pinching Thermistor Thermistor retaining spring ...

Page 6: ...th the flame of welder Also record terminal code ON a memo paper in case the indication becomes illegible Connect the lead wires to the proper fasten terminals S Yellow M Red C Blue 3 Remove the terminal cover 4 Remove the compressor protective device and the 3 terminals together with the mounting plate S yellow M red C blue Blue Yellow Red ...

Page 7: ...Si241307 Procedure to Remove El Compo Box Removal Procedure 5 Step Procedure Points 5 Remove the screw 6 Take off the el compo box ...

Page 8: ... before disassembling work Step Procedure Points Make sure that refrigerant is completely empty in the circuit before disassembling Warning If refrigerant gas leaks during servicing work ventilate the area If refrigerant gas contacts flames hazardous gas can be generate 1 Disconnect the suction pipe and the discharge pipe of the compressor at brazed sections Discharge pipe Suction pipe ...

Page 9: ... Procedure Points 2 After disconnecting the refrigerant pipes remove the 3 washer nuts that secure the compressor Use open end washer nut a located on the right front side 3 Use T handle box wrench to loosen the nuts b and c a c b Open end wrench T handle box wrench ...

Page 10: ...Revision History Month Year Version Revised contents 01 2013 Si241307 First edition ...

Page 11: ...oduct 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 inst...

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