CS-E7MKDW, CU-E7MKD, CS-E9MKDW, CU-E9MKD, CS-E12MKDW, CU-E12MKD, CS-E15MKDW, CU-E15MKD, CS-E18MKDW, CU-E18MKD - Panasonic Air Conditioner Service Manual (repair manual). Page 2

Read Panasonic CS-E7MKDW / CU-E7MKD / CS-E9MKDW / CU-E9MKD / CS-E12MKDW / CU-E12MKD / CS-E15MKDW / CU-E15MKD / CS-E18MKDW / CU-E18MKD Service Manual online

2
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
2 Specifications 
------------------------------------------------------5
3 Features 
------------------------------------------------------------ 21
4 Location of Controls and Components
------------------ 22
4.1. Indoor Unit ------------------------------------------------- 22
4.2. Outdoor Unit ----------------------------------------------- 22
4.3. Remote Control------------------------------------------- 22
5 Dimensions ------------------------------------------------------- 23
5.1. Indoor Unit ------------------------------------------------- 23
5.2. Outdoor Unit ----------------------------------------------- 25
6 Refrigeration Cycle Diagram -------------------------------- 26
6.1. CU-E7MKD  CU-E9MKD  CU-E12MKD  CU-
E15MKD ---------------------------------------------------- 26
6.2. CU-E18MKD----------------------------------------------- 27
7 Block Diagram --------------------------------------------------- 28
7.1. CU-E7MKD  CU-E9MKD  CU-E12MKD  CU-
E15MKD ---------------------------------------------------- 28
7.2. CU-E18MKD----------------------------------------------- 29
8 Wiring Connection Diagram --------------------------------- 30
8.1. Indoor Unit ------------------------------------------------- 30
8.2. Outdoor Unit ----------------------------------------------- 32
9 Electronic Circuit Diagram----------------------------------- 34
9.1. Indoor Unit ------------------------------------------------- 34
9.2. Outdoor Unit ----------------------------------------------- 36
10 Printed Circuit Board ------------------------------------------ 38
10.1. Indoor Unit ------------------------------------------------- 38
10.2. Outdoor Unit ----------------------------------------------- 41
11 Installation Instruction ---------------------------------------- 43
11.1. Select the Best Location ------------------------------- 43
11.2. Indoor Unit ------------------------------------------------- 44
11.3. Outdoor Unit ----------------------------------------------- 48
12 Operation and Control----------------------------------------- 51
12.1. Basic Function -------------------------------------------- 51
12.2. Indoor Fan Motor Operation--------------------------- 52
12.3. Outdoor Fan Motor Operation------------------------- 53
12.4. Airflow Direction ------------------------------------------ 53
12.5. Quiet operation (Cooling Mode/Cooling area
of Dry Mode)----------------------------------------------- 54
12.6. Quiet operation (Heating) ------------------------------ 55
12.7. Powerful Mode Operation------------------------------ 55
12.8. Timer Control---------------------------------------------- 55
12.9. Auto Restart Control------------------------------------- 56
12.10. Indication Panel------------------------------------------- 56
12.11. Patrol Operation ------------------------------------------ 57
12.12. e-ion Operation ------------------------------------------- 59
12.13. Mild Dry Cooling Operation---------------------------- 61
12.14. ECONAVI and AUTO COMFORT Operation------ 62
13 Operation Control (For Multi Split Connection)------- 66
13.1. Cooling operation ---------------------------------------- 66
13.2. Soft Dry Operation --------------------------------------- 66
13.3. Heating Operation---------------------------------------- 66
13.4. Automatic Operation------------------------------------- 66
13.5. Indoor Fan Motor Operation--------------------------- 67
13.6. Powerful Mode Operation------------------------------ 67
13.7. Auto restart control--------------------------------------- 67
13.8. Indication Panel------------------------------------------- 67
13.9. Mild Dry Cooling Operation---------------------------- 67
14 Protection Control ---------------------------------------------- 68
14.1. Protection Control For All Operations -------------- 68
14.2. Protection Control For Cooling & Soft Dry
Operation -------------------------------------------------- 70
14.3. Protection Control For Heating Operation--------- 71
15 Servicing Mode-------------------------------------------------- 72
15.1. Auto OFF/ON Button ----------------------------------- 72
15.2. Remote Control Button--------------------------------- 73
16 Troubleshooting Guide --------------------------------------- 74
16.1. Refrigeration Cycle System --------------------------- 74
16.2. Breakdown Self Diagnosis Function ---------------- 76
16.3. Error Codes Table --------------------------------------- 77
16.4. Self-diagnosis Method---------------------------------- 79
17 Disassembly and Assembly Instructions -------------109
17.1. CS-E7MK  CS-E9MK  CS-E12MK  CS-
E15MK-----------------------------------------------------109
17.2. CS-E18MK ----------------------------------------------- 113
17.3. Outdoor Electronic Controller Removal
Procedure------------------------------------------------- 118
18 Technical Data --------------------------------------------------120
18.1. Operation Characteristics ----------------------------120
18.2. Sensible Capacity Chart ------------------------------140
19 Exploded View and Replacement Parts List----------141
19.1. Indoor Unit------------------------------------------------141
19.2. Outdoor Unit ---------------------------------------------147
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