Panasonic CS-E12RB4UW CS-E18RB4UW CU-E12RB4U CU-E18RB4U Indoor Unit 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
3. Features

4. Location of Controls and Components
4.1 Indoor Unit
4.2 Outdoor Unit
4.3 Remote Control

5. Dimensions
5.1 Indoor Unit
5.2 Outdoor Unit

6. Refrigeration Cycle Diagram
7. Block Diagram
7.1 CS-E12RB4UW CU-E12RB4U
7.2 CS-E18RB4UW CU-E18RB4U

8. Wiring Connection Diagram
8.1 Indoor Unit
8.2 Outdoor Unit

9. Electronic Circuit Diagram
9.1 Indoor Unit
9.2 Outdoor Unit

10. Printed Circuit Board
10.1 Indoor Unit
10.2 Outdoor Unit

11. Installation Instruction
11.1 Indoor Unit
11.2 Outdoor Unit

12. Operation Control
12.1 Basic Function
12.2 Indoor Fan Motor Operation
12.3 Outdoor Fan Motor Operation
12.4 Airflow Direction
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
12.9 Auto Restart Control
12.10 Indication Panel
12.11 Drain Pump Control Operation

13. Protection Control
13.1 Protection Control For All Operations
13.2 Protection Control For Cooling & Soft Dry Operation
13.3 Protection Control For Heating Operation

14. Servicing Mode
14.1 Auto OFF/ON Button
14.2 Cooling Only Operation (Single connection Only, Multi connection please refer to Multi outdoor manual)
14.3 Remote Control Button
14.4 Outdoor PCB Test Run Operation (For Pump Down/Servicing Purpose)

15. Troubleshooting Guide
15.1 Refrigeration Cycle System
15.2 Breakdown Self Diagnosis Function
15.3 Error Codes Table
15.4 Self-diagnosis Method

16. Disassembly and Assembly Instructions
16.1 Disassembly of Parts
16.2 Outdoor Electronic Controller Removal Procedure

17. Technical Data
17.1 Cool Mode Performance Data
17.2 Heat Mode Performance Data

18. Service Data
18.1 Cool Mode Outdoor Air Temperature Characteristic
18.2 Heat Mode Outdoor Air Temperature Characteristic
18.3 Piping Length Correction Factor

19. Exploded View and Replacement Parts List
19.1 Indoor Unit
19.2 CZ-BT20U (Front Grille Complete)
19.3 Outdoor Unit