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1.
Instruction on Advanced Operation Mode .............................................................................................................. 39
2.
How to Set Advanced Mode Codes ......................................................................................................................... 39
Instruction for Advanced Mode ....................................................................................................................... 40
Refrigerant Recycling Operation ...................................................................................................................... 41
Snow-Blowing Function ................................................................................................................................... 41
VII. Troubleshooting................................................................................................................................................................ 42
0E0: Communication Fault Between ODUs ..................................................................................................... 43
0E2: Communication Error Between ODU and IDU ......................................................................................... 44
0E4: T3 or T4 Temperature Sensor Error ......................................................................................................... 45
0E5: Voltage Protection ................................................................................................................................... 46
0E8: Incorrect ODU Address ............................................................................................................................ 47
20HO 10H0: Communication Error Between Main Control Board Chip and Compressor Drive Chip ............. 47
0H1: Communication Error Between Main Control Chip and Communication Chip ....................................... 48
0H2~0H3: Incorrect Number of ODUs ............................................................................................................. 48
0H7: Incorrect Number of IDUs ....................................................................................................................... 49
0H8: High Pressure Sensor Error ...................................................................................................................... 50
0Hb: Low Pressure Sensor Error ...................................................................................................................... 51
10F1 20F1: PTC Error ....................................................................................................................................... 52
m. 0F3~0F5: Temperature Sensor Error ................................................................................................................ 53
0F6: Electronic Expansion Valve Error ............................................................................................................. 54
10Hd 20Hd: Follower Unit Error ...................................................................................................................... 54
0P1: Current Leakage Error .............................................................................................................................. 55
0P1: Discharge Temperature Switch or High Pressure Protection ................................................................... 56
0P2 0H5: Low Pressure Protection .................................................................................................................. 57
0P3: Over Current Protection for Compressor ................................................................................................ 58
0P4 0H6: Discharge Temperature Protection .................................................................................................. 59
0P5: High Temperature Protection for Pipe Temperature ............................................................................... 60
v.
0H9 0P9: DC Fan Protection ............................................................................................................................. 61
Suitable for the Model 38VMA***HDS5-1 ...................................................................................................... 62
x.
Suitable for the Model 38VMA***HDS6-1 ...................................................................................................... 64
0C7 0PL: High Module Temperature Protection .............................................................................................. 66
L0~L9 10H4 / 20H4: Compressor INV Module Protection ............................................................................... 68
Error Display: ........................................................................................................................................................... 68
Applicable Models: .................................................................................................................................................. 68
Error Definition: ....................................................................................................................................................... 69
Possible Causes: ....................................................................................................................................................... 69
AtL: Ambient Temperature Limit Operation ............................................................................................................ 76
VIII. Appendix ........................................................................................................................................................................... 77
1.
Wiring Diagram ........................................................................................................................................................ 77
2.
Electronic Control Box Layout .................................................................................................................................. 81
3.
High Pressure Sensor Voltage Characteristics** ...................................................................................................... 91
IX. Bill of Material (BOM) ....................................................................................................................................................... 92
1.
38VMA072HDS5-1, 38VMA096HDS5-1, 38VMA120HDS5-1 ................................................................................... 92
2.
38VMA144HDS5-1 ................................................................................................................................................... 97
3.
38VMA072HDS6-1, 38VMA096HDS6-1, 38VMA120HDS6-1 ................................................................................. 103
4.
38VMA144HDS6-1 ................................................................................................................................................. 108
3
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