Samsung AM072BXV Series User manual

AIR CONDITIONER CONTENTS
SYSTEMAIR CONDITIONER
OUTDOOR UNIT
AM072/096/120/144/168/216/240BXV***
1. Precautions.............................................1
2. Product Specifications......................... 3
3. Disassemblyand Reassembly...........27
4. Troubleshooting................................. 63
5. PBADiagram and Parts List .............176
6.Wiring Diagram................................. 192
7. Piping Diagram..................................202
8. KeyOptions .......................................283
9. Test Operation...................................304
10. Nomenclature................................. 319

Contents
1. Precautions..............................................................................................................................1
1-1 Precautions for the Service...........................................................................................................................1
1-2 Precautions for the Static Electricity and PL .............................................................................................1
1-3 Precautions for the Safety............................................................................................................................1
1-4 Precautions for Handling Refrigerant for Air Conditioner...................................................................... 2
1-5 Precautions forWelding the Air Conditioner Pipe.................................................................................... 2
1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant .............................................. 2
1-7 Other Precautions ......................................................................................................................................... 2
2. Product Specications.......................................................................................................... 3
2-1 Feature of Product........................................................................................................................................ 3
2-1-1 Feature ............................................................................................................................................................................................................... 3
2-1-3 Structure of product (AM***BXV*F*).................................................................................................................................................... 5
2-1-3 Structure of product (AM***BXV*J*)..................................................................................................................................................... 7
2-2 Model names of Indoor/Outdoor Unit ....................................................................................................... 9
2-2-1 Outdoor unit combination........................................................................................................................................................................ 9
2-2-3 Outdoor unit .................................................................................................................................................................................................10
2-3 Combination and Connection Ratio limitation ...................................................................................... 14
2-5 Product Specification..................................................................................................................................15
2-5-1 Outdoor Unit.................................................................................................................................................................................................15
2-6 Accessory and Option Specifications ...................................................................................................... 23
2-6-1 Controller .......................................................................................................................................................................................................23
2-6-2 Piping...............................................................................................................................................................................................................25
2-6-3 Controller & control Accessory Compatibility................................................................................................................................26
3. Disassemblyand Reassembly............................................................................................ 27
3-1 Necessary Tools.......................................................................................................................................... 27
3-2 Disassembly and Reassembly .................................................................................................................. 28
3-2-1 Checking the Device Condition ...........................................................................................................................................................28
3-2-2 Removal Instructions for Cabinet ........................................................................................................................................................30
3-2-3 Disconnecting the Power Supply ........................................................................................................................................................31
3-2-4 Removal Instructions for Guard Fan...................................................................................................................................................33
3-2-5 Removal Instructions for Fan and Motor..........................................................................................................................................34
3-2-6 Removal Instructions for Compressor...............................................................................................................................................46
3-2-7 Compressor exchange order ................................................................................................................................................................49
3-2-8 Removal Instructions for the Accumulator......................................................................................................................................51
3-2-9 Removal Instructions for the Control PBA.......................................................................................................................................56
3-2-10 Removal Instructions for the Control Panel Assy .......................................................................................................................57
3-2-11 Removal Instructions for the Inverter PBA ....................................................................................................................................58
3-2-12 Removal Instructions for the Fan PBA..............................................................................................................................................59
3-2-13 Removal Instructions for the DC Reactors and EMI PBA..........................................................................................................60
3-2-14 MCU ................................................................................................................................................................................................................61
3-2-15 EEV kit ............................................................................................................................................................................................................62

Contents
4. Troubleshooting.................................................................................................................. 63
4-1 Check-up Window Description .................................................................................................................63
4-2 Service Operation.......................................................................................................................................64
4-2-1 Special Operation .......................................................................................................................................................................................64
4-2-2 DVM S Models EEPROM Code Table...................................................................................................................................................71
4-2-3 Number Display M ethod (Outd oor Unit, MCU, Cable remote control, wall-mount, etc.).........................72
4-3 Appropriate Measures for Different Symptom ...................................................................................... 78
4-3-1 Outdoor Unit Test Operation Flow......................................................................................................................................................78
4-3-2 Main PBA has no power phenomenon.............................................................................................................................................81
4-3-3 Communication Error between Indoor and Outdoor Units during Tracking.........................................82
4-3-4 Communication Error between Indoor and Outdoor Units after Tracking.............................................84
4-3-5 Communication error between main and sub Unit of outdoor unit or between outdoor units ....85
4-3-6 Internal Communication error of the Outdoor Unit C-Box...............................................................................86
4-3-7 Internal PBA Communication error of the Outdoor Unit C-Box......................................................................87
4-3-8 MCU branch part setup error – inconsecutive connection with the use of 2 branch parts...............88
4-3-9 MCU branch part setup error – Repeated setup for the same address over 3 times............................89
4-3-10 MCU branch part setup error – non-installed address setup........................................................................90
4 -3-11 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used..................................................91
4-3-12 MCU branch part setup error – Overlapping Indoor unit Address setup.................................................92
4-3-13 MCU branch part setup error – Set as being used without connection to an Indoor unit .............93
4-3-14 MCU branch part setup error – Connect an Indoor unit to a branch part not being used..............94
4-3-15 MCU branch part setup error – Connect more Indoor units than what is actually set up in MCU95
4-3-16 /MCU/MCU subcooler entrance/exit sensor error (Open/Short)............................................96
4-3-17 Outdoor Temperature Sensor Error ..........................................................................................................................97
4-3-18 Cond Out Temperature Sensor Error (Open/Short) ...........................................................................................98
4-3-19 Outdoor Cond Out sensor breakaway error ..........................................................................................................99
4-3-20 / / / Compressor Discharge or
Top 1/2 Temperature sensor error..................................................................................................................................................101
4-3-21 /// Compressor Discharge or
Top temperature sensor breakaway error ................................................................................................................................. 102
4-3-22 : Suction Temperature sensor breakaway error.................................................................................................. 103
4-3-23 High Pressure sensor error (Open/Short)............................................................................................................ 104
4-3-24 Low Pressure sensor error (Open/Short) ............................................................................................................. 105
4-3-25 Suction Temperature sensor error (Open/Short)............................................................................................. 106
4-3-26 Liquid Pipe Temperature sensor error (Open/Short) ..................................................................................... 107
4-3-27 EVI In Temperature sensor error (Open/Short)................................................................................................. 108
4-3-28 EVI Out Temperature sensor error (Open/Short) ............................................................................................. 109
4-3-29 Suction-2 Temperature Sensor Error (OPEN/SHORT).......................................................................................110
4-3-30 Measures of other outdoor unit error....................................................................................................................111
4-3-31 : Comp. Down due to High Pressure Protection Control...............................................................................112
4-3-32 :
Suspension of starting due to Compressor discharge temperature sensor /
Top temperature sensor............................................................................................................................................................................... 113
4-3-33 3-phase Input Wiring error.........................................................................................................................................114
4-3-34 : Suspension of starting by abnormal compression ratio..............................................................................115
4-3-35 EVI EEV Open error............................................................................................................................................................116
4-3-36 /Refrigerant leakage error ....................................................................................................................117
4-3-37 /Prevention of heating / cooling operation due to outdoor temperature......................118
4-3-38 Prevention of heating refrigerant charge due to outdoor temperature................................................119

Contents
4-3-39 CCH wire breaking error...............................................................................................................................................120
4-3-40 /Fan motor starting error..................................................................................................................... 122
4-3-41 / Fan motor locking error.....................................................................................................................124
4-3-42 Momentary Blackout error ........................................................................................................................................126
4-3-43 /Outdoor Fan Motor overheating .....................................................................................................127
4-3-44 /Fan PBA IPM overheating error ........................................................................................................128
4-3-45 /Compressor starting error ..................................................................................................................129
4-3-46 /COMP Overcurrent error.........................................................................131
4-3-47 /Overvoltage / Low voltage error..................................................................................................... 136
4-3-48 / / DC Link voltage sensor error...................................................................................137
4-3-49 /Fan Motor Overcurrent error................................................................ 138
4-3-50 Input / Output Current sensor error...................................................................................................................... 140
4-3-51 Outdoor Fan PBA Overvoltage / Low voltage error.........................................................................................141
4-3-52 /Hall IC connection/Two motor parameter difference error ................................................143
4-3-53 /Inverter PBA IPM overheating error............................................................................................... 144
4-3-54 Option setting error of outdoor unit .................................................................................................................... 146
4-3-55 Error due to using single type outdoor unit in a module installation......................................................147
4-3-56 Indoor unit and MCU address duplication error.............................................................................................. 148
4-3-57 Refrigerant leakage check alarm in operaiton ................................................................................................ 149
4-3-58 Main EEV leakage Error ............................................................................................................................................... 150
4-4 Case study for trouble shoots..................................................................................................................151
4-4-1 Electric discharge mode........................................................................................................................................................................151
4-4-2 Pump down operation...........................................................................................................................................................................153
4-4-3 Pump out operation ...............................................................................................................................................................................155
4-4-4 Vacuum ........................................................................................................................................................................................................157
4-4-5 Case study – E201 (Communication error between indoor & outdoor unit)................................................................ 158
4-4-6 Case study – E205 (Internal communication error of the outdoor unit C-box) ........................................................... 160
4-4-7 Case study – E206 (Internal communication error of the outdoor unit C-box).............................................................161
4-4-8 Case study – E108 (Error due to repeated address setting).................................................................................................. 162
4-4-9 Case study – E108, E604, E613 .......................................................................................................................................................... 163
4-4-10 Case study – E461, E361 (Error due to operation failure of inverter compressor)..................................................... 164
4-4-11 Case study – Inverter PBA error....................................................................................................................................................... 165
4-4-12 Case study – E461/361 & E464/364 & E466/366....................................................................................................................... 166
4-4-13 Case study – Poor cooling caused by IPM overheated..........................................................................................................170
4-4-14 Case study – Related error with IPM..............................................................................................................................................171
4-4-15 Case study – E455 (Fan IPM overheat error) ...............................................................................................................................172
4-4-16 Case study – Temperature sensor open/short ..........................................................................................................................174
4-4-17 Case study – Pressure sensor open/short....................................................................................................................................175
5. PBADiagram and Parts List...............................................................................................176
5-1 Main PBA DC ..............................................................................................................................................176
5-2 Main PBA AC............................................................................................................................................. 178
5-3 EMI PF8 .....................................................................................................................................................179
5-4 EMI PF9 .....................................................................................................................................................180
5-5 EMI PF9 OLD...............................................................................................................................................181
5-6 Dual FAN ................................................................................................................................................... 182
5-7 Safety 2FAN ............................................................................................................................................... 183
5-8 PF8 Inv.Integration J POWER.................................................................................................................. 184

Contents
5-9 PF8 Inv.Integration F POWER ................................................................................................................ 186
5-10 PF8_20C INV J POWER .......................................................................................................................... 188
5-11 PF8_20C INV F POWER .......................................................................................................................... 189
5-11 PF9_20C INV J POWER ...........................................................................................................................190
5-11 PF9_20C INV F POWER ...........................................................................................................................191
6.Wiring Diagram.................................................................................................................. 192
6-1 AM072BXVGF*/AA, AM072BXVGJ*/AA................................................................................................. 192
6-2 AM096/120/144BXVGF*/AA, AM096/120/144/168BXVGJ*/AA....................................................... 193
6-3 AM162BXVGF*/AA.................................................................................................................................... 194
6-4 AM192BXVGJ*/AA.................................................................................................................................... 195
6-5 AM216/240BXVGF*/AA, AM216/240BXVGJ*/AA................................................................................ 196
6-6 Field Wiring ...............................................................................................................................................197
7. Piping Diagram...................................................................................................................202
7-1 Piping Diagram .........................................................................................................................................202
7-1-1 AM072BXVGFH/AA, AM072BXVGJH/AA.........................................................................................................................................204
7-1-2 AM096/120/144/168BXVGFH/AA, AM096/120/144/168BXVGJH/AA ................................................................................. 205
7-1-3 AM192BXVGFH/AA, AM192BXVGJH/AA ..........................................................................................................................................206
7-1-4 AM216/240BXVGFH/AA, AM216/240BXVGJH/AA....................................................................................................................... 207
7-1-5 AM072BXVGFR/AA, AM072BXVGJR/AA ......................................................................................................................................... 208
7-1-6 AM096/120/144/168BXVGFR/AA, AM096/120/144/168BXVGJR/AA...................................................................................209
7-1-7 AM192BXVGFR/AA, AM192BXVGJR/AA ...........................................................................................................................................210
7-1-8 AM216/240BXVGFR/AA, AM216/240BXVGJR/AA.........................................................................................................................211
7-2 Refrigerant Flow for Each Operation Mode .........................................................................................212
7-2-1 DVM S Heat Pump – Cooling operation ...........................................................................................................................................212
7-2-2 DVM S Heat Pump – Heating operation...........................................................................................................................................213
7-2-3 DVM S Heat Recovery – Cooling operation ....................................................................................................................................214
7-2-4 DVM S Heat Recovery – Main cooling operation.........................................................................................................................215
7-2-5 DVM S Heat Recovery – Heating operation....................................................................................................................................216
7-2-6 DVM S Heat Recovery – Main heating operation.........................................................................................................................217
7-3 Functions................................................................................................................................................... 218
7-3-1 Basics ...............................................................................................................................................................................................................218
7-3-2 Control ..........................................................................................................................................................................................................222
7-3-3 Others ........................................................................................................................................................................................................... 270
8. KeyOptions........................................................................................................................283
8-1 System Configuration .............................................................................................................................283
8-2 List of Field Setting Items......................................................................................................................284
8-3 Outdoor unit option switch settings (cont.) ........................................................................................285
8-4 How to check the view mode using a tact switch............................................................................... 287
8-5 Applications .............................................................................................................................................294
8-5-1 Application of Night Silent ..................................................................................................................................................................294
8-5-2 Application of External Contact Interface Module.................................................................................................................. 295
8-5-3 Application of Auxiliary Heat Module ........................................................................................................................................... 297
8-5-4 Application of Mode select Switch .................................................................................................................................................299