Read Panasonic CU-3E18JBE / CU-4E23JBE Service Manual online
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10 Installation Instruction ---------------------------------------- 28
10.1. Select The Best Location ------------------------------ 28
10.2. Install The Outdoor Unit -------------------------------- 29
10.3. Connect The Piping-------------------------------------- 29
10.4. Evacuation Of The Equipment ------------------------ 30
10.5. Connect The Cable To The Outdoor Unit ---------- 31
10.6. Heat Insulation -------------------------------------------- 32
10.2. Install The Outdoor Unit -------------------------------- 29
10.3. Connect The Piping-------------------------------------- 29
10.4. Evacuation Of The Equipment ------------------------ 30
10.5. Connect The Cable To The Outdoor Unit ---------- 31
10.6. Heat Insulation -------------------------------------------- 32
11 Operation Control----------------------------------------------- 33
11.1. Cooling Operation---------------------------------------- 33
11.2. Heating Operation---------------------------------------- 34
11.2. Heating Operation---------------------------------------- 34
12 Simultaneous Operation Control -------------------------- 35
13 Protection Control ---------------------------------------------- 36
13 Protection Control ---------------------------------------------- 36
13.1. Freeze Prevention control (Cool) -------------------- 36
13.2. Dew Prevention control (Cool) ------------------------ 36
13.3. Electronic Parts Temperature Rise Protection
13.2. Dew Prevention control (Cool) ------------------------ 36
13.3. Electronic Parts Temperature Rise Protection
1 (Cool) ----------------------------------------------------- 36
13.4. Electronic Parts Temperature Rise Protection
2 (Cool) ----------------------------------------------------- 36
13.5. Cooling overload control (Cool) ---------------------- 37
13.6. Heating overload control (Heat) ---------------------- 37
13.7. Extreme Low Temperature Compressor low
13.6. Heating overload control (Heat) ---------------------- 37
13.7. Extreme Low Temperature Compressor low
pressure protection control (Heat) ------------------- 37
13.8. Deice Control---------------------------------------------- 38
13.9. Time Delay Safety Control (Restart Control) ------ 38
13.9. Time Delay Safety Control (Restart Control) ------ 38
13.10. 30 seconds Force Operation -------------------------- 38
13.11. Total Current Control ------------------------------------ 38
13.12. IPM (power transistor) Protection Control --------- 38
13.13. Compressor Protection Control (Gas leak
13.13. Compressor Protection Control (Gas leak
detection control 1) -------------------------------------- 38
13.14. Compressor Protection Control (Gas leak
detection control 2) -------------------------------------- 39
13.15. Valve close detection control -------------------------- 39
13.16. Compressor discharge high pressure
13.16. Compressor discharge high pressure
protection control ----------------------------------------- 39
14 Servicing Mode -------------------------------------------------- 40
14.1. CU-3E18JBE & CU-4E23JBE ------------------------ 40
15 Troubleshooting Guide---------------------------------------- 42
15.1. Self Diagnosis Function -------------------------------- 42
16 Disassembly and Assembly Instructions --------------- 45
16.1. Outdoor Unit Removal Procedure-------------------- 45
17 Technical Data---------------------------------------------------- 48
17.1. Operation Characteristics (CU-3E18JBE) --------- 48
17.2. Operation Characteristics (CU-4E23JBE) --------- 60
17.2. Operation Characteristics (CU-4E23JBE) --------- 60
18 Exploded View and Replacement Parts List ----------- 72
18.1. CU-3E18JBE ---------------------------------------------- 72
18.2. CU-4E23JBE ---------------------------------------------- 73
18.2. CU-4E23JBE ---------------------------------------------- 73
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