CS-XE18HKD, CS-XE24HKD, CU-XE18HKD, CU-XE24HKD - Panasonic Air Conditioner Service Manual (repair manual). Page 2

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8 Wiring Connection Diagram --------------------------------- 17

8.1. Indoor Unit ------------------------------------------------- 17
8.2. Outdoor Unit ----------------------------------------------- 18

9 Electronic Circuit Diagram----------------------------------- 20

9.1. Indoor Unit ------------------------------------------------- 20
9.2. Outdoor Unit ----------------------------------------------- 21

10 Printed Circuit Board ------------------------------------------ 23

10.1. Indoor Unit ------------------------------------------------- 23
10.2. Outdoor Unit ----------------------------------------------- 26

11 Installation Instruction ---------------------------------------- 31

11.1. Select The Best Location ------------------------------ 31
11.2. Indoor/Outdoor Unit Installation Diagram ---------- 31
11.3. Indoor Unit ------------------------------------------------- 32
11.4. Outdoor Unit ----------------------------------------------- 35

12 Operation and Control----------------------------------------- 38

12.1. Basic Function -------------------------------------------- 38
12.2. Indoor Fan Motor Operation --------------------------- 39
12.3. Outdoor Fan Motor Operation------------------------- 40
12.4. Airflow Direction ------------------------------------------ 40
12.5. Quiet operation (Cooling Mode/Cooling area

of Soft Dry Mode) ---------------------------------------- 41

12.6. Powerful Mode Operation ------------------------------ 42
12.7.  ON Timer Control---------------------------------------- 42
12.8.  OFF Timer Control -------------------------------------- 43
12.9. Auto Restart Control------------------------------------- 43

12.10. Indication Panel------------------------------------------- 43

12.11. Patrol Operation ------------------------------------------ 44

12.12. e-ion Operation ------------------------------------------- 46

13 Protection Control ---------------------------------------------- 49

13.1. Protection Control For All Operations --------------- 49
13.2. Protection Control For Cooling & Soft Dry

Operation--------------------------------------------------- 50

13.3. Protection Control For Heating Operation --------- 51

14 Servicing Mode -------------------------------------------------- 52

14.1. Auto OFF/ON Button ------------------------------------ 52
14.2. Select Remote Control Transmission Code ------- 52
14.3. Remote Control Button --------------------------------- 53

15 Troubleshooting Guide---------------------------------------- 54

15.1. Refrigeration Cycle System --------------------------- 54
15.2. Relationship Between The Condition Of The

Air Conditioner And Pressure And Electric
Current ------------------------------------------------------ 55

15.3. Breakdown Self Diagnosis Function ---------------- 56
15.4. Error Codes Table---------------------------------------- 57

16 Disassembly and Assembly Instructions --------------- 58

16.1. Indoor Electronic Controllers, Cross Flow Fan

and Indoor Fan Motor Removal Procedures ------ 58

16.2. Outdoor Electronic Controller Removal

Procedure -------------------------------------------------- 62

17 Technical Data---------------------------------------------------- 63

17.1. Operation Characteristics ------------------------------ 63
17.2. Sensible Capacity Chart-------------------------------- 71

18 Exploded View and Replacement Parts List ----------- 72

18.1. CS-XE18HKD  CS-XE24HKD ------------------------ 72
18.2. Outdoor Unit ----------------------------------------------- 74