Panasonic CU-2E15LBE CU-2E18LBE CU-3E18LBE CU-4E23LBE Outdoor Unit Service Manual and Parts List Manual


Accurate, clear and concise text, combined with detailed illustrations, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your Air Conditioner.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your appliance.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

1. Safety Precautions
2. Specifications
2.1. CU-2E15LBE
2.2. CU-2E18LBE
2.3. CU-3E18LBE
2.4. CU-4E23LBE

3. Dimensions
3.1. CU-2E15LBE CU-2E18LBE
3.2. CU-3E18LBE CU-4E23LBE

4. Refrigeration Cycle Diagram
4.1. CU-2E15LBE CU-2E18LBE
4.2. CU-3E18LBE
4.3. CU-4E23LBE

5. Block Diagram
5.1. CU-2E15LBE CU-2E18LBE
5.2. CU-3E18LBE
5.3. CU-4E23LBE

6. Wiring Connection Diagram
6.1. CU-2E15LBE CU-2E18LBE
6.2. CU-3E18LBE
6.3. CU-4E23LBE

7. Electronic Circuit Diagram
7.1. CU-2E15LBE CU-2E18LBE
7.2. CU-3E18LBE
7.3. CU-4E23LBE

8. Printed Circuit Board
8.1. Main Printed Circuit Board
8.2. Noise Filter Printed Circuit Board
8.3. Display Printed Circuit Board

9. Installation Information
9.1. CU-2E15LBE
9.2. CU-2E18LBE
9.3. CU-3E18LBE
9.4. CU-4E23LBE

10. Installation Instruction
10.1. CU-2E15LBE CU-2E18LBE
10.2. CU-3E18LBE CU-4E23LBE

11. Operation Control (CU-2E15LBE and CU-2E18LBE)
11.1. Compressor Operation Frequency
11.2. Deice Operation

12. Operation Control (CU-3E18LBE and CU-4E23LBE)
12.1. Cooling Operation
12.2. Heating Operation

13 Simultaneous Operation Control

14. Protection Control (CU-2E15LBE and CU-2E18LBE)
14.1. Time delay safety control
14.2. Total running current control
14.3. IPM (Power transistor) prevention control
14.4. Compressor Overheating Prevention Control
14.5. Low Pressure Prevention Control (Gas Leakage Detection)
14.6. 4-Way Valve Failure Protection Control
14.7. Protection Control for Cooling & Soft Dry Operation
14.8. Protection Control for Heating Operation

15. Protection Control (CU-3E18LBE and CU-4E23LBE)
15.1. Freeze Prevention control (Cool)
15.2. Dew Prevention control (Cool)
15.3. Electronic Parts Temperature Rise Protection 1 (Cool)
15.4. Electronic Parts Temperature Rise Protection 2 (Cool)
15.5. Cooling overload control (Cool)
15.6. Heating overload control (Heat)
15.7. Extreme Low Temperature Compressor low pressure protection control (Heat)
15.8. Deice Control
15.9. Time Delay Safety Control (Restart Control)
15.10. 30 seconds Force Operation
15.11. Total Current Control
15.12. IPM (power transistor) Protection Control
15.13. Compressor Protection Control (Gas leak detection control 1)
15.14. Compressor Protection Control (Gas leak detection control 2)
15.15. Valve close detection control
15.16. Compressor discharge high pressure protection control

16. Servicing Mode
16.1. CU-3E18LBE & CU-4E23LBE

17. Troubleshooting Guide
17.1. Self Diagnosis Function (CU-3E18LBE and CU-4E23LBE)
17.2. Self Diagnosis Function (CU-2E15LBE and CU-2E18LBE)

18. Disassembly and Assembly Instructions
18.1. Outdoor Unit Removal Procedure (CU-2E15LBE CU-2E18LBE)
18.2. Outdoor Unit Removal Procedure (CU-3E18LBE CU-4E23LBE)

19. Technical Data
19.1. Operation Characteristics (CU-2E15LBE)
19.2. Operation Characteristics (CU-2E18LBE)
19.3. Operation Characteristics (CU-3E18LBE)
19.4. Operation Characteristics (CU-4E23LBE)

20. Exploded View and Replacement Parts List
20.1. CU-2E15LBE CU-2E18LBE
20.2. CU-3E18LBE CU-4E23LBE