Panasonic CU-2E18SBE Service Manual

Also see for CU-2E12SBE: Operating instructions Operating instructions Operating instructions Operating instructions Operating instructions

Panasonic CU-2E18SBE Service Manual Manual pdf 2 page image

2TABLE OF CONTENTS PAGE PAGE1. Safety Precautions .............................................32. Specifications .....................................................52.1 CU-2E12SBE................................................52.2 CU-2E15SBE................................................72.3 CU-2E18SBE................................................92.4 CU-3E23SBE..............................................113. Dimensions .......................................................233.1 CU-2E12SBE CU-2E15SBECU-2E18SBE..............................................233.2 CU-3E23SBE..............................................234. Refrigeration Cycle Diagram ...........................244.1 CU-2E12SBE CU-2E15SBECU-2E18SBE..............................................244.2 CU-3E23SBE..............................................255. Block Diagram ..................................................265.1 CU-2E12SBE CU-2E15SBECU-2E18SBE..............................................265.2 CU-3E23SBE..............................................276. Wiring Connection Diagram ............................286.1 CU-2E12SBE CU-2E15SBECU-2E18SBE..............................................286.2 CU-3E23SBE..............................................297. Electronic Circuit Diagram ..............................307.1 CU-2E12SBE CU-2E15SBECU-2E18SBE..............................................307.2 CU-3E23SBE..............................................318. Printed Circuit Board .......................................328.1 Main Printed Circuit Board .........................328.2 Noise Filter Printed Circuit Board ...............348.3 Display Printed Circuit Board .....................348.4 CPU Printed Circuit Board ..........................359. Installation Information ....................................369.1 CU-2E12SBE CU-2E15SBE .....................369.2 CU-2E18SBE..............................................379.3 CU-3E23SBE..............................................3810. Installation Instruction .....................................3910.1 CU-2E12SBE CU-2E15SBECU-2E18SBE..............................................3910.2 CU-3E23SBE..............................................4311. Operation Control .............................................4711.1 Cooling Operation.......................................4711.2 Heating Operation ......................................4811.3 Outdoor Quiet Cooling OperationControl ........................................................4812. Simultaneous Operation Control ....................5013. Protection Control ............................................5113.1 Freeze Prevention control (Cool) ...............5113.2 Dew Prevention control (Cool) ...................5113.3 Electronic Parts Temperature RiseProtection 1 (Cool)......................................5113.4 Electronic Parts Temperature RiseProtection 2 (Cool)......................................5113.5 Cooling overload control (Cool) ..................5213.6 Heating overload control (Heat) .................5213.7 Extreme Low Temperature Compressorlow pressure protection control (Heat) .......5213.8 Deice Control ..............................................5313.9 Time Delay Safety Control(Restart Control) .........................................5313.10 30 seconds Force Operation ......................5313.11 Total Current Control ..................................5313.12 IPM (power transistor) ProtectionControl ........................................................5313.13 Compressor Protection Control(Gas leak detection control 1) ....................5313.14 Compressor Protection Control(Gas leak detection control 2) ....................5413.15 Valve close detection control......................5413.16 Compressor discharge high pressureprotection control ........................................5414. Servicing Mode .................................................5514.1 CU-3E23SBE..............................................5514.2 CU-2E12SBE, CU-2E15SBE &CU-2E18SBE ..............................................5715. Troubleshooting Guide ....................................5815.1 Self Diagnosis Function (CU-2E12SBE,CU-2E15SBE and CU-2E18SBE) ..............5815.2 Self Diagnosis Function (CU-3E23SBE) ....6016. Disassembly and Assembly Instructions ......6316.1 Outdoor Unit Removal Procedure(CU-2E12SBE CU-2E15SBECU-2E18SBE) ............................................6316.2 Outdoor Unit Removal Procedure(CU-3E23SBE) ...........................................6417. Technical Data ..................................................6717.1 Cool Mode Performance Data ....................6717.2 Heat Mode Performance Data................. 10618. Service Data ................................................... 13518.1 Operation Characteristics(CU-2E12SBE) ........................................ 13518.2 Operation Characteristics(CU-2E15SBE) ........................................ 14518.3 Operation Characteristics(CU-2E18SBE) ........................................ 15518.4 Operation Characteristics(CU-3E23SBE) ........................................ 16719. Exploded View and Replacement PartsList .................................................................. 17719.1 CU-2E12SBE CU-2E15SBECU-2E18SBE ........................................... 17719.2 CU-3E23SBE........................................... 180