Product specifications

Contents
4-5 Troubleshooting by symptoms .............................................................................................................................53
4-5-1 Communication error after finishing tracking (E202) ........................................................... 53
4-5-2 Time out (1min.) of communication error between MAIN PBA and INV. PBA (E203) ............ 54
4-5-3 Temperature sensor error (E221, E231, E251, E320 ) ...................................................................... 55
4-5-4 Fan error (E458, E475) ............................................................................................................................. 56
4-5-5 Compressor error (E461, E467) ............................................................................................................ 58
4-5-6 Current trip error (E462, E463) ............................................................................................................. 59
4-5-7 IPM(IGBT module) over current error (E464) ................................................................................. 60
4-5-8 DC-link voltage under/over error (E466) ......................................................................................... 62
4-5-9 GAS leak error(E554) ................................................................................................................................ 63
4-5-10 The other errors ....................................................................................................................................... 64
4-5-11 In case of heating at the cooling mode or coolin g at the heating mode ....................... 65
4-5-12 Outdoor unit is not powered on – Initial diagnosis .................................................................. 67
4-5-13 Outdoor unit power supply error ..................................................................................................... 68
5. PCB Diagram .................................................................................................................................................................... 69
5-1 Hydro unit ........................................................................................................................................................ 69
5-2 Outdoor Unit ................................................................................................................................................... 70
5-3 Parts List ........................................................................................................................................................... 75
6. Wiring Diagram ................................................................................................................ 89
6-1 Hydro unit ........................................................................................................................................................ 89
6-2 Outdoor Unit ................................................................................................................................................... 90
7. Schematic Diagram ........................................................................................................ 92
7-1 Hydro unit ........................................................................................................................................................ 92
7-2 Outdoor Unit ................................................................................................................................................... 94
8. Reference Sheet ............................................................................................................... 95
8-1 Index for Model Name ................................................................................................................................ 95
8-1-1 Outdoor Unit ......................................................................................................................................... 95
8-2 Refrigerant Circuit Diagram .......................................................................................................................96
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