Table of Contents
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Section 0
Contents
1. Precautions ....................................................................................................4
1-1 Precautions for the Service ............................................................................................................................4
1-2 Precautions for the Static Electricity and PL ...........................................................................................4
1-3 Precautions for the Safety ..............................................................................................................................4
1-4 Precautions for Handling Refrigerant for Air Conditioner ................................................................5
1-5 Precautions for Welding the Air Conditioner Pipe ...............................................................................5
1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant ....................................5
1-7 Other Precautions..............................................................................................................................................5
2. Product Specifications .................................................................................6
2-1 The Feature of Product ....................................................................................................................................6
2-1-1 Feature ......................................................................................................................................................6
2-1-2 Changes in comparison to basic mode ......................................................................................8
2-1-3 Structure of product (DVM S ECO) ................................................................................................9
2-2 Product Specifications ................................................................................................................................. 10
2-2-1 Outdoor Unit ....................................................................................................................................... 10
2-3 Accessory and Option Specifications ..................................................................................................... 12
2-3-1 Accessories........................................................................................................................................... 12
3. Disassembly and Reassembly ...................................................................13
3-1 Necessary Tools ............................................................................................................................................... 13
3-2 Disassembly and Reassembly ................................................................................................................... 14
3-3 Precaution when replace the compressor ........................................................................................... 47
3-4 EEV KIT ................................................................................................................................................................. 49
4. Troubleshooting ..........................................................................................50
4-1 Service Operation ........................................................................................................................................... 50
4-1-1 Special Operation ............................................................................................................................. 50
4-2 Appropriate Measures for Different Symptom .................................................................................. 61
5. PCB Diagram and Parts List .....................................................................111
5-1 ASS'Y PCB MAIN ...........................................................................................................................................111
5-2 ASS'Y PCB INVERTER ....................................................................................................................................114
5-3 ASS'Y PCB EMI ...............................................................................................................................................116
5-4 SUB-COMM ....................................................................................................................................................117
6. Wiring Diagram .........................................................................................118
7. Cycle Diagram ....................................................................................................... 119
7-1 Main heating operation(H/P) ...................................................................................................................119
7-2 Cycle Component Function Explanation ............................................................................................121
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) ................................................................................ 14
..........................................................................118
) ............................................ 28
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