Contents
1
1. Precautions
........................................................................................................................................
1-1
1-1 Installing the air conditioner
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1-1
1-2 Power supply and circuit breaker
..................................................................................................
1-1
1-3 During operation
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1-2
1-4 Disposing of the unit
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1-2
1-5 Others
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1-2
1
2. Product Specifications
...............................................................................................................
2-1
2-1 The Feature of Product
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2-1
2-2 Product Specifications
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2-2
2-3 Accessory and Specifications
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2-8
3. Disassembly and Reassembly
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3-1
3-1 Indoor Unit
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3-2
3-2 Outdoor Unit
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3-29
4. Trouble
shooting
...........................................................................................................................
4-1
4-1 Display Error and Check Method ................................................................................................................ 4-1
4-1-1 Indoor Unit ................................................................................................................................................ 4-1
4-1-2 Outdoor Unit ............................................................................................................................................ 4-5
4-2 Setting Option Setup Method ...................................................................................................................... 4-7
4-2-1 Setting an indoor unit address and installation option ......................................................... 4-7
4-2-2 Changing a particular option ............................................................................................................ 4-11
4-3 Items to be checked first ................................................................................................................................. 4-12
4-4 Checking and Testing operation .................................................................................................................. 4-16
4-5 Fault Diagnosis by Symptom ........................................................................................................................ 4-24
4-5-1 Indoor ....................................................................................................................................................... 4-24
4-5-1-1 Indoor temperature sensor (open/short) ........................................................................... 4-24
4-5-1-2 Indoor FAN Error ( BLDC MOTOR MODEL ) ....................................................................... 4-25
4-5-1-3 Communication error after finishing Tracking ............................................................... 4-26
4-5-1-4 EEPROM circuit failure ............................................................................................................... 4-27
4-5-2 Outdoor unit is not powered on – Initial diagnosis(1phase) ............................................. 4-28
4-5-3 Outdoor unit fan error ....................................................................................................................... 4-29
4-5-4 Compressor startup error, Compressor Lock error, Compressor rotation error. ........ 4-30
4-5-5 IPM Over Current error ...................................................................................................................... 4-31
4-5-6 Checking Temperature sensor ........................................................................................................ 4-32
4-5-6-1 Outdoor Discharge/OLP temperature sensor error ...................................................... 4-32
4-5-6-2 Outdoor out/cond temperature sensor error .................................................................. 4-33
4-5-7 Checking EEV .......................................................................................................................................... 4-33
4-6 PCB Inspection Method ................................................................................................................................... 4-34
5. PCB Diagram and Parts list
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5-1
5-1 Indoor Unit
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5-1
5-2 Outdoor Unit
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5-5
6. Wiring
Diagram
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6-1
6-1 Indoor Unit
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6-1
6-2 Outdoor Unit
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6-4
7. Reference
Sheet
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7-1
