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Panasonic
CS-E12NKUAW, CS-E9NKUAW, CU-E12NKUA, CU-E9NKUA service manual
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90 pages, 13.62 Mb
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4. Location of Controls and Components
4.1 Indoor
Unit
4.2 Outdoor
Unit
4.3 Remote
Control
Contents
Main
Indoor Unit Outdoor Unit
CS-E9NKUAW CS-E12NKUAW
CU-E9NKUA CU-E12NKUA
TABLE OF CONTENTS
Page
1. Safety Precautions
Page
2. Specification
Page
Page
3. Features
Page
Page
5.2 Outdoor Unit
6. Refrigeration Cycle Diagram
Page
Page
Page
Page
Page
10. Printed Circuit Board
10.1 Indoor Unit
Page
Page
11. Installation Instruction
11.1 Select the Best Location
11.1.1 Indoor Unit
11.1.2 Outdoor Unit
11.1.3 Indoor/Outdoor Unit Installation Diagram
Page
11.2.4 Connect the Cable to the Indoor Unit
11.2.5 Wiring Stripping and connecting requirement
11.2.5.1 Cutting and flaring the piping
11.3 Outdoor Unit
11.3.1 Install the Outdoor Unit
11.3.2 Connect the Piping 11.3.2.1 Connecting the piping to indoor
11.3.2.2 Connecting the piping to outdoor
11.3.2.3 Connecting the piping to outdoor multi
11.3.2.4 Gas Leak Checking
11.3.3 Evacuation of the equipment
11.3.3.1 Connect the Cable to the Outdoor Unit
11.3.3.2 Piping Insulation
12. Operation Control
12.1 Basic Function
12.1.4.2 Automatic Operation
12.2 Indoor Fan Motor Operation
12.2.1 Basic Rotation Speed (rpm)
12.3 Outdoor Fan Motor Operation
12.4 Airflow Direction
12.4.1 Vertical Airflow
12.4.2 Horizontal Airflow
12.5 Quiet Operation (Cooling Mode/Cooling Area of Dry Mode)
12.6 Quiet Operation (Heating)
12.7 Powerful Mode Operation
12.8 Timer Control
12.8.1 ON Timer Control
12.8.2 OFF Timer Control
12.9 Auto Restart Control
12.10 Indication Panel
13. Operation Control (For Multi Split Connection)
13.1 Cooling operation
13.1.1 Thermostat control
13.2 Soft Dry Operation
13.2.1 Thermostat control
13.4 Automatic Operation
13.5 Indoor Fan Motor Operation
13.5.1 Residual Heat Removal Control
13.6 Powerful Mode Operation
13.7 Auto restart control
14. Protection Control
14.1 Protection Control For All Operations
14.1.1 Restart Control (Time Delay Safety Control)
14.1.2 30 Seconds Forced Operation
14.1.3 Total Running Current Control
14.2 Protection Control For Cooling & Soft Dry Operation
14.2.1 Outdoor Air Temperature Control
14.2.2 Cooling Overload Control
14.2.3 Freeze Prevention Control 1
14.2.4 Freeze Prevention Control 2
14.2.5 Dew Prevention Control 1
14.2.6 Protection Control For Heating Operation 14.2.6.1 Intake Air Temperature Control
14.2.6.2 Outdoor Air Temperature Control
14.2.6.3 Overload Protection Control
14.2.6.4 Low Temperature Compressor Oil Return Control
14.2.6.5 Cold Draught Prevention Control
14.2.6.6 Deice Operation
15. Servicing Mode
15.1 Auto Off/On Button
15.2 Remote Control Button
15.2.1 SET Button
15.2.2 RESET (RC)
15.2.3 RESET (AC)
15.2.4 TIMER
16. Troubleshooting Guide
16.1 Refrigeration Cycle System
Page
16.2 Breakdown Self Diagnosis Function
16.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)
16.2.2 To Make a Diagnosis
16.2.3 To Display Memorized Error Code (Protective Operation)
16.2.4 To Clear Memorized Error Code after Repair (Protective Operation)
Page
Page
16.4 Self-diagnosis Method
16.4.1 H11 (Indoor/Outdoor Abnormal Communication)
16.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched)
16.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality)
16.4.4 H15 (Compressor Temperature Sensor Abnormality)
16.4.5 H16 (Outdoor Current Transformer Open Circuit)
16.4.6 H19 (Indoor Fan Motor DC Motor Mechanism Locked)
16.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality)
16.4.8 H27 (Outdoor Air Temperature Sensor Abnormality)
16.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality)
16.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality)
16.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality)
16.4.12 H33 (Unspecified Voltage between Indoor and Outdoor)
16.4.13 H36 (Outdoor Gas Pipe Sensor Abnormality)
16.4.14 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality)
16.4.15 H97 (Outdoor Fan Motor DC Motor Mechanism Locked)
16.4.16 H98 (Indoor High Pressure Protection)
16.4.17 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry)
16.4.18 F11 (Indoor Pipe Temperature Sensor Abnormality)
16.4.19 F17 (Indoor Standby Units Freezing Abnormality)
16.4.20 F90 (Power Factor Correction Protection)
16.4.21 F91 (Refrigeration Cycle Abnormality)
16.4.22 F93 (Compressor Rotation Failure)
16.4.23 F95 (Cooling High Pressure Abnormality)
16.4.24 F96 (IPM Overheating)
16.4.25 F97 (Compressor Overheating)
16.4.26 F98 (Input Over Current Detection)
16.4.27 F99 (Output Over Current Detection)
17. Disassembly and Assembly Instructions
17.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures
17.1.1 To remove front grille
17.1.1.1 To remove power electronic controller
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18. Technical Data
18.1 Operation Characteristics
18.1.1 CS-E9NK CU-E9NK
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Page
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18.1.2 CS-E12NK CU-E12NK
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19. Exploded View and Replacement Parts List
19.1 Indoor Unit
Page
19.2 Outdoor Unit
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