2
8 Wiring Connection Diagram --------------------------------- 16
8.1. Indoor Unit ------------------------------------------------- 16
8.2. Outdoor Unit ----------------------------------------------- 17
9 Electronic Circuit Diagram----------------------------------- 19
9.1. Indoor Unit ------------------------------------------------- 19
9.2. Outdoor Unit ----------------------------------------------- 20
10 Printed Circuit Board ------------------------------------------ 22
10.1. Indoor Unit ------------------------------------------------- 22
10.2. Outdoor Unit ----------------------------------------------- 24
11 Installation Instruction ---------------------------------------- 27
11.1. Select the Best Location ------------------------------- 27
11.2. Indoor Unit ------------------------------------------------- 28
11.3. Outdoor Unit----------------------------------------------- 32
12 Operation and Control----------------------------------------- 35
12.1. Basic Function -------------------------------------------- 35
12.2. Airflow Direction ------------------------------------------ 37
12.3. ON Timer Control ---------------------------------------- 39
12.4. OFF Timer Control --------------------------------------- 39
12.5. Auto Restart Control------------------------------------- 39
13 Protection Control ---------------------------------------------- 40
13.1. Protection Control For All Operations--------------- 40
13.2. Protection Control For Cooling & Soft Dry
Operation--------------------------------------------------- 42
13.3. Protection Control For Heating Operation --------- 44
14 Servicing Mode -------------------------------------------------- 45
14.1. Auto OFF/ON Button ------------------------------------ 45
14.2. Remote Control Button --------------------------------- 46
15 Troubleshooting Guide---------------------------------------- 47
15.1. Refrigeration Cycle System --------------------------- 47
15.2. Relationship Between The Condition Of The
Air Conditioner And Pressure And Electric
Current------------------------------------------------------ 48
15.3. Breakdown Self Diagnosis Function ---------------- 49
15.4. Error Codes Table---------------------------------------- 50
15.5. Self-diagnosis Method ---------------------------------- 51
16 Disassembly and Assembly Instructions --------------- 75
16.1. Indoor Electronic Controllers, Cross Flow Fan
and Indoor Fan Motor Removal Procedures ------ 75
16.2. Outdoor Electronic Controller Removal
Procedure (RE18JK) ------------------------------------ 80
17 Technical Data---------------------------------------------------- 81
17.1. Operation Characteristics ------------------------------ 81
17.2. Sensible Capacity Chart-------------------------------- 89
18 Exploded View and Replacement Parts List ----------- 90
18.1. Indoor Unit ------------------------------------------------- 90
18.2. CU-RE18JKE---------------------------------------------- 93
18.3. CU-RE24JKE---------------------------------------------- 95