Samsung AM240KXVAGH/ET - ASSY PCB MAIN-HUB

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PCB Diagram and Parts List

5-4 Samsung Electronics

5-2 ASS'Y PCB MAIN-HUB

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Table of Contents2
Precautions6
Precautions for the Service6
Precautions for the Static Electricity and PL6
Precautions for the Safety6
Precautions for Handling Refrigerant for Air Conditioner7
Precautions for Welding the Air Conditioner Pipe7
Precautions for Additional Supplement of Air Conditioner Refrigerant7
Other Precautions7
Product Specifications8
The Feature of Product8
Feature8
Changes in Comparison to Basic Mode10
Structure of Product ( Heat Pump: AMSSSSXVSSH Series )14
Structure of Product (Heat Recovery: AMSSSSXVSSR Series )15
Structure of Product (Power Supply for 460V, 60Hz, 3Φ : AMSSSSXVSSJS Series )16
Structure of Product (Heat Pump AMSSSKXS Series)18
Structure of Product (Cooling Only AMSSSMXVAFC Series)19
Structure of Product (Cooling Only AMSSSMXVAGC Series)21
Product Specifications22
Outdoor Unit22
Accessory and Option Specifications52
Accessories52
Disassembly and Reassembly53
Necessary Tools53
Disassembly and Reassembly54
Am080/100/120Jxvsss59
Am140Fxvagh, Am140Jxvsgh65
Am140/160/180/200Mxvafc75
Am240/260/280/300Kxvsss, Am080Kxvsss, Am240/260/280/300Mxvagc104
Caution at Compressor Exchange114
Mcu119
Eev Kit120
Troubleshooting121
Check-Up Window Description121
Service Operation122
Special Operation122
DVM S Models EEPROM Code Table129
Appropriate Measures for Different Symptom134
Outdoor Unit Operation Flow134
Main PCB Has no Power Phenomenon137
Communication Error between Indoor and Outdoor Units During Tracking138
Communication Error between Indoor and Outdoor Units after Tracking140
Communication Error between Main and Sub Unit of Outdoor Unit or between Outdoor Units141
Internal Communication Error of the Outdoor Unit C-Box142
Internal PCB Communication Error of the Outdoor Unit C-Box143
MCU Branch Part Setup Error-Inconsecutive Connection with the Use of 2 Branch Parts145
MCU Branch Part Setup Error-Repeated Setup for the same Address over 3 Times146
MCU Branch Part Setup Error-Non-Installed Address Setup147
Setup Error for MCU Branch Part-Setup Error for MCU Quantity Used148
MCU Branch Part Setup Error-Overlapping Indoor Unit Address Setup149
MCU Branch Part Setup Error_Set as Being Used Without Connection to an Indoor Unit150
MCU Branch Part Setup Error-Connect an Indoor Unit to a Branch Part Not Being Used151
MCU Branch Part Setup Error-Connect more Indoor Units than What Is Actually Set up in MCU152
MCU/MCU Subcooler Entrance/Exit Sensor Error (Open/Short)153
Outdoor Temperature Sensor Error154
Cond out Temperature Sensor Error (Open/Short)155
Outdoor Cond out Sensor Breakway Error156
Compressor Discharge or TOP 1/2 Temperature Sensor Error158
Compressor Discharge or TOP Temperature Sensor Breakway Error159
E269 : Suction Temperature Sensor Breakway Error160
High Pressure Sensor Error (Open/Short)161
Low Pressure Sensor Error (Open/Short)162
Suction Temperature Sensor Error (Open/Short)163
Liquid Pipe Temperature Sensor Error (Open/Short)164
EVI in Temperature Sensor Error (Open/Short)165
EVI out Temperature Sensor Error (Open/Short)166
Suction-2 Temperature Sensor Error (Open/Short)167
Measures of Other Outdoor Unit Error168
E407 : Comp. down Due to High Pressure Protection Control169
E410 : Comp. down Due to Low Pressure Protection Control171
E416 : Suspension of Starting Due to Compressure Discharge Temperature Sensor/Top Temperature Sensor173
3-Phase Input Wiring Error174
E428 : Suspension of Starting by Abnormal Compression Ratio175
EVI EEV Open Error176
Refrigerant Leakage Error177
Prevention of Heating/Cooling Operation Due to Outdoor Temperature178
Prevention of Heating Refrigerant Charge Due to Outdoor Temperature179
Wire Breaking Error180
Fan Starting Error182
Fan Lock Error184
Momentary Blackout Error185
Outdoor Fan Motor Overheating186
Fan IPM Overheat Error187
Compressor Starting Error189
COMP Overcurrent Error190
Overvoltage/Low Voltage Error194
DC Link Voltage Sensor Error195
Fan Motor Overcurrent Error196
Input/Output Current Sensor Error198
Outdoor Fan PCB Overvoltage/Low Voltage Error199
Hall IC(Fan) Error200
Inverter Overheat Error201
Option Setting Error of Outdoor Unit202
Error Due to Using Single Type Outdoor Unit in a Module Installation203
Indoor Unit and MCU Address Duplication Error204
PCB Diagram and Parts List205
Ass'y Pcb Main205
Ass'y Pcb Main-Hub209
Assy Pcb Inverter212
Ass'y Pcb Fan216
Ass'y Pcb Emi220
Sub-Comm223
Wiring Diagram224
Am080/100/120/140/160/180/200/220Fxvsss224
Am080Jxvafh226
Am100/120Jxvafh227
Am140/160/180/200Jxvafh228
Am080/100/120/140/160/180/200/220Jxvajh229
Am100/120/180/200Mxvafc, Am160/180/260/280/300Mxvagc230
Cycle Diagram232
Am240/260Hxvagh/Eu236
Am080/100/120Mxva*C238
Am140/160/180Mxvagc239
M200/220Mxvagc240
Am240/260/280/300Mxvagc241
Am140/160/180/200Mxvafc242
Cooling Operation (H/R)243
Main Cooling Operation (H/R)244
Heating Operation (H/R)245
Main Heating Operation (H/R)246
Cooling Operation (H/P)247
Heating Operation (H/P)248
Cycle Component Function Explanation249
Key Options250
Outdoor Unit Option Switch Settings250
How to Set the Key Function of the Outdoor Unit254
How to Check the View Mode Using a Tact Switch259

Samsung AM240KXVAGH/ET - ASSY PCB MAIN-HUB

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