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AM080BXMDGH/EU
Samsung AM080BXMDGH/EU User Manual
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Refer to the service manual in the GSPN(see the rear c
ov
er) for the more inf
ormation.
AIR CONDITIONER
C
ONTENTS
SY
STEM AIR
C
ONDITIONER
OUTDOOR UNIT
AM080BXMDGH/EU
AM080BXMWGH/EU
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Cycle Diagram
8. Key Options
9. Test Operation
2
Table of Contents
1. Precautions
1
2. Product Specifications
1
3. Disassembly and Reassembly
1
4. Troubleshooting
1
5. PCB Diagram and Parts List
1
6. Wiring Diagram
1
7. Cycle Diagram
1
8. Key Options
1
9. Test Operation
1
1. Precautions
5
1-1 Precautions for the Service
5
1-2 Precautions for the Static Electricity and PL
5
1-3 Precautions for the Safety
5
1-4 Precautions for Handling Refrigerant for Air Conditioner
6
1-5 Precautions for Welding the Air Conditioner Pipe
6
1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant
6
1-7 Other Precautions
6
2. Product Specifications
7
2-1 The Feature of Product
7
2-1-1 Feature
7
2-1-1 Structure of product (DVM S ECO)
9
2-2 Product Specifications
10
2-3 Accessory and Option Specifications
11
2-3-1 Accessories
11
3. Disassembly and Reassembly
12
3-1 Necessary Tools
12
3-2 Disassembly and Reassembly
13
3-2-1 AM080BXM*GH/EU
13
3-3 Caution at compressor exchange
28
3-4 MCU
30
3-5 EEV KIT
31
4. Troubleshooting
32
4-1 Check-up Window Description
32
4-2. Service Operation
33
4-2-1 Special Operation
33
4-2-2 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.)
35
4-3 Appropriate Measures for Different Symptom
40
4-3-1 Communication Error between Indoor and Outdoor Units after Tracking
40
4-3-2 Communication error between main and sub Unit of outdoor unit or between outdoor units
41
4-3-3 Internal Communication error of the Outdoor Unit C-Bo
42
4-3-4 Internal PCB Communication error of the Outdoor Unit C-Box
43
4-3-5 MCU branch part setup error – inconsecutive connection with the use of 2 branch parts
45
4-3-6 MCU branch part setup error – Repeated setup for the same address over 3 times
46
4-3-7 MCU branch part setup error – non-installed address setup
47
4-3-8 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used
48
4-3-9 MCU branch part setup error – Overlapping Indoor unit Address setup
49
4-3-10 MCU branch part setup error – Set as being used without connection to an Indoor unit
50
4-3-11 MCU branch part setup error – Connect an Indoor unit to a branch part not being used
51
4-3-12 MCU branch part setup error – Connect more Indoor units than what is actually set up in MCU
52
4-3-13 MCU subcooler entrance/exit sensor error (Open/Short)
53
4-3-14 Outdoor Temperature Sensor Error
54
4-3-15 Cond Out Temperature Sensor Error (Open/Short)
55
4-3-16 Outdoor Cond Out sensor breakaway error
56
4-3-17 Compressor Discharge or Top 1/2 Temperature sensor error
58
4-3-18 Compressor Discharge or Top temperature sensor breakaway error
59
4-3-19  : Suction Temperature sensor breakaway error
60
4-3-20 High Pressure sensor error (Open/Short)
61
4-3-21 Low Pressure sensor error (Open/Short)
62
4-3-22 Suction Temperature sensor error (Open/Short)
63
4-3-23 Liquid Pipe Temperature sensor error (Open/Short)
64
4-3-24 EVI In Temperature sensor error (Open/Short)
65
4-3-25 EVI Out Temperature sensor error (Open/Short)
66
4-3-26 Suction-2 Temperature Sensor Error (OPEN/SHORT)
67
4-3-27 Measures of other outdoor unit error
68
4-3-28  : Comp. Down due to High Pressure Protection Control
69
4-3-29  : Comp. Down due to Low Pressure Protection Control
71
4-3-30  : Suspension of starting due to Compressor discharge temperature sensor / Top temperature sensor
73
4-3-31 3-phase Input Wiring error
74
4-3-32  : Suspension of starting by abnormal compression ratio
75
4-3-33 EVI EEV Open error
76
4-3-34 Refrigerant leakage error
77
4-3-35 Prevention of heating / cooling operation due to outdoor temperature
78
4-3-36 Prevention of heating refrigerant charge due to outdoor temperature
79
4-3-37 CH wire breaking error
80
4-3-38 Fan starting error
82
4-3-39 Fan lock error
84
4-3-40 Momentary Blackout error
85
4-3-41 Outdoor Fan Motor overheating
86
4-3-42 Fan IPM Overheat error
87
4-3-43 Compressor starting error
88
4-3-44 Inverter Overcurrent error
90
4-3-45 Overvoltage / Low voltage error
93
4-3-46 DC Link voltage sensor error
94
4-3-47 Fan Motor Overcurrent error
95
4-3-48 Input / Output Current sensor error
96
4-3-49 Outdoor Fan PCB Overvoltage / Low voltage error
97
4-3-50 Hall IC(Fan) error
98
4-3-51 Inverter Overheat error
99
4-3-52 Option setting error of outdoor unit
100
4-3-53 Model mismatching of Indoor unit.
101
4-3-54 Error due to using single type outdoor unit in a module installation
102
4-3-55 Indoor unit and MCU address duplication error
103
5. PCB Diagram and Parts List
104
5-1 ASS'Y PCB MAIN
104
5-2 ASS’Y PCB INVERTER
107
5-3 ASS’Y PCB EMI
109
5-4 SUB-COMM
110
6. Wiring Diagram
111
6-1 AM080BXMWGH/EU
111
6-2 AM080MXMDHC1
112
7. Cycle Diagram
113
7-1 AM080BXM*GH/EU
113
7-2 Main heating operation(H/R)
114
7-3 Cycle Component Function Explanation
115
8. Key Options
116
8-1 Outdoor unit option switch settings
116
8-2 How to set the key function of the outdoor unit
117
8-3 How to check the view mode using a tact switch
120
9. Test Operation
123
9-1 Auto Trial Operation
123
9-1-1 Auto Trial Operation Synopsis
123
9-1-2 Auto Trial Operation functions
125
9-1-3 How to troubleshoot of the "Undetermined"
126
9-1-4 Auto Trial Operation Error Code
135
9-2 Amount of refrigerant automatically checking
136
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Samsung AM080BXMDGH/EU Specifications
General
Brand
Samsung
Model
AM080BXMDGH/EU
Category
Air Conditioner
Language
English
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