Panasonic CU-2S18NBU-1 service manual Disassembly and Assembly Instructions

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12.12

Valve close detection control

23

12.13 Compressor discharge high pressure

 

 

protection control

23

13. Servicing Mode

24

13.1

Pump Down Operation

24

13.2

Test Operation

24

13.3

Wiring Error Check

24

13.4

Power Save Mode

25

13.5

Mode priority function

25

14. Troubleshooting Guide

26

14.1

Self Diagnosis Function

26

15. Disassembly and Assembly Instructions

28

15.1

Outdoor Unit Removal Procedure

28

16. Technical Data

31

16.1

Operation Characteristics

31

17. Exploded View and Replacement Parts List..41

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Contents Table of Contents Disassembly and Assembly Instructions Safety Precautions Items to be followed are classified by the symbolsPage Specification Model Outdoor Unit CU-2S18NBU-1Multi split combination possibility Dimensions Refrigeration Cycle Diagram Block Diagram Wiring Connection Diagram Electronic Circuit Diagram Printed Circuit Board Main Printed Circuit BoardNoise Filter Printed Circuit Board Installation Information Check PointsInstallation Instruction Outdoor Unit Installation DiagramOutdoor Unit Installation Guidelines Connecting the Piping to Outdoor Unit Gas Leak CheckingEvacuation of the Equipment Heat Insulation Cooling Operation Powerful OperationOperation Control Outdoor fan controlProtection Control Electronic Parts Temperature Rise Protection 1 CoolElectronic Parts Temperature Rise Protection 2 Cool Freeze Prevention control CoolCooling overload control Cool Time Delay Safety Control Restart ControlIPM power transistor Protection Control 12.7 30 seconds Force OperationCompressor discharge high pressure protection control Compressor Protection Control Gas leak detection controlValve close detection control Pump Down Operation Servicing ModeWiring Error Check Test OperationPower Save Mode Mode priority functionTroubleshooting Guide Self Diagnosis FunctionIndoor high Check indoor heat Exchanger Removing the Cabinet Top Plate and Cabinet Front Plate Disassembly and Assembly InstructionsOutdoor Unit Removal Procedure Remove the Control Board Cover and Particular PlatesRemoving the Control P.C. Board Removing the Propeller Fan and Fan MotorPage CS-S9NKUW-1 CU-2S18NBU-1 Technical DataOperation Characteristics Page CS-S9NKUW-1x2 CU-2S18NBU-1 Page CS-S12NKUW-1 CU-2S18NBU-1 Page CS-S12NKUW-1x2 CU-2S18NBU-1 Page CS-S12NKUW-1+CS-S9NKUW-1 CU-2S18NBU-1 Page Exploded View and Replacement Parts List REF. no Description & Name QTY Shock Absorber Left