Daikin R21NUV1 Service Manual Download

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Procedure to Remove Compressor

Si241307

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.)

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 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 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 ...