Samsung AM140JXVHGR/ET - User Manual

AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
AM080/100/120/140/160/180/200/220/240/2606XV666
AM080/100/120/140/160/180/200/220JXVA66
AM140/160/180/200/220/240/260/280/300KXV666
AM080/100/120/140/160/180/200/220/240/260/280/300MXVA6C
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

Summary

SYSTEM AIR CONDITIONER

OUTDOOR UNIT

Lists the models of outdoor units covered in the manual.

1. Precautions

1-1 Precautions for the Service

Guidelines for servicing the air conditioner, including part handling and connections.

1-2 Precautions for the Static Electricity and PL

Warnings regarding static electricity and handling PCBs during repair.

1-3 Precautions for the Safety

General safety measures for electrical handling and installation.

1-4 Precautions for Handling Refrigerant for Air Conditioner

Safety precautions for handling refrigerants, including environmental and safety aspects.

1-5 Precautions for Welding the Air Conditioner Pipe

Safety guidelines for welding refrigerant pipes, emphasizing hazard prevention.

1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant

Precautions for adding refrigerant, including calculation and safety during injection.

2. Product Specifications

2-1 The Feature of Product

Overview of product features, including Dual Smart Inverter and Dual SSC System.

2-1-1 Feature

Details on Dual SSC System Technology and Dual Smart Inverter System.

2-1-3 Structure of product ( Heat Pump: AMSSSSXVSSH Series )

Diagrams showing the internal structure of heat pump outdoor units in small and large sizes.

2-1-4 Structure of product (Heat Recovery: AMSSSSXVSSR Series )

Diagrams showing the internal structure of heat recovery outdoor units in small and large sizes.

2-1-5 Structure of product (Power supply for 460 V, 60 Hz, 3Φ: AMSSSSXVSSJS Series )

Diagrams showing the internal structure of outdoor units with 460V power supply.

2-1-6 Structure of product (Heat Pump AMSSSKXS Series)

Diagrams showing the internal structure of heat pump outdoor units for specific KXVG/KXVASS series.

Structure of product (Heat Pump AMSSSKXS Series)

Diagrams showing the internal structure of heat pump outdoor units for specific KXVGSS/KXVASS series.

2-1-7 Structure of product (Cooling only AMSSSMXVAFC Series)

Diagrams showing the internal structure of cooling-only outdoor units (small and large sizes).

2-1-8 Structure of product (Cooling only AMSSSMXVAGC Series)

Diagrams showing the internal structure of cooling-only outdoor units for MXVAGC series.

Structure of product (Cooling only AMSSSMXVAGC Series) (cont.)

Continued diagrams of cooling-only outdoor units for MXVAGC series.

2-2 Product Specifications

Detailed specifications for outdoor units, including capacity, power, and dimensions.

2-2-1 Outdoor Unit

Detailed specifications for outdoor units, including capacity, power, and dimensions.

3. Disassembly and Reassembly

3-2 Disassembly and Reassembly

Step-by-step guide for disassembling and reassembling specific outdoor unit models.

3-2-1 AM080;100;120 XV

Disassembly steps for AM080/100/120XV models, focusing on electrical components.

3-2-2 AM140 FXVAGH, AM140 JXVGH

Disassembly steps for AM140FXVAGH/AM140JXVGH models.

[Reference Sheet] Pipe Welding Position

Pipe welding positions for AM140FXVAGR/AM140JXVGR models.

3-2-3 AM160;180;200;220;240;260 XV, AM140 JXVH, AM140;160;180;200 MXVAFC

Disassembly steps for AM160/180/200/220/240/260XV models and others.

3-2-5 AM180;200;220 KXVG, AM200;220 KXVA, AM200;220 MXVAGC

Disassembly steps for AM180/200/220KXVG and related models.

3-2-6 AM240;260;280;300 KXV, AM080 KXVS, AM240;260;280;300 MXVAGC

Disassembly steps for AM240/260/280/300KXV and related models.

[Reference Sheet] Pipe Welding Position 4

Pipe welding positions for AM200/220MXVAGC models.

3-3 Caution at compressor exchange

Step-by-step procedure for exchanging a compressor, including precautions.

Compressor exchange order

Step-by-step procedure for exchanging a compressor, including precautions.

Check point at compressor replacement

Key checks for compressor replacement, including oil color and weight.

Checking of oil circulating system

Explains how to check the oil circulating system for potential compressor issues.

4. Troubleshooting

4-2 Service Operation

Details on special operational modes like trial operation and refrigerant charging.

4-2-1 Special Operation

Lists key inputs for outdoor unit service operations like refrigerant charging and pump out.

Auto Trial Operation

Details on performing Auto Trial Operation for cooling and heating.

Refrigerant filling operation

Procedure for filling refrigerant at a fixed frequency.

Heating Pump Out

Procedure for discharging refrigerant to the indoor part for heating operation.

Cooling Pump Down

Procedure for recovering refrigerant from the indoor unit and piping for cooling operation.

Vacuum Operation

Steps to facilitate vacuum by opening valves after outdoor unit repair.

Discharge Mode Operation

Steps for safe discharge of high DC voltage from the inverter PCB.

Forced oil recovery operation

Forced oil recovery operation based on water temperature.

4-2-2 DVM S Models EEPROM Code Table

Table mapping DVM S models to Inverter PBA and EEP Codes for troubleshooting.

Diagnosis and Adjustment (Error Code)

Details error codes related to communications, settings, and hardware.

Diagnosis and Adjustment (Error Code) (cont.)

Continues the list of error codes related to communications, settings, and hardware.

4-3 Appropriate Measures for Different Symptom

Provides troubleshooting flowcharts for various symptoms and error codes.

4-3-1 Outdoor Unit Test Operation Flow

Flowchart detailing the steps for outdoor unit test operation.

Reversed Phase;No Phase Check (Outdoor Unit with 3 Phase power) - Display E425 for Problem

Steps to diagnose reversed or missing phase issues in 3-phase power systems.

Initial Tracking (Communication Check-up) - Display E201 for Problem

Troubleshooting steps for initial communication errors during tracking.

Indoor Unit Installation Quantity Setup Switch

Guide on setting the indoor unit installation quantity using switches.

4-3-2 Main PCB has no power phenomenon

Troubleshooting steps for issues where the main PCB has no power.

4-3-3 Communication Error between Indoor and Outdoor Units during Tracking

Steps for diagnosing communication errors between indoor and outdoor units during tracking.

Essential Requirements before PCB Changes in Case of Communication Error Occurrence

Prerequisites for changing PCBs when communication errors occur, focusing on ICs.

4-3-4 Communication Error between Indoor and Outdoor Units after Tracking

Troubleshooting steps for communication errors after tracking indoor units.

4-3-5 Communication error between main and sub Unit of outdoor unit or between outdoor units

Steps for diagnosing communication errors between outdoor unit main/sub units or between outdoor units.

4-3-6 Internal Communication error of the Outdoor Unit C-Box

Troubleshooting steps for internal communication errors within the outdoor unit C-Box.

4-3-7 Internal PCB Communication error of the Outdoor Unit C-Box (cont.)

Continues troubleshooting for internal PCB communication errors in the C-Box.

Internal PCB Communication error of the Outdoor Unit C-Box (cont.)

Details error codes C003/C004 for internal PCB communication errors.

4-3-8 MCU branch part setup error - inconsecutive connection with the use of 2 branch parts

4-3-9 MCU branch part setup error - Repeated setup for the same address over 3 times

4-3-10 MCU branch part setup error - non-installed address setup

4-3-11 Setup Error for MCU Branch part - Setup Error for MCU Quantity Used

4-3-12 MCU branch part setup error - Overlapping Indoor unit Address setup

4-3-13 MCU branch part setup error - Set as being used without connection to an Indoor unit

4-3-14 MCU branch part setup error - Connect an Indoor unit to a branch part not being used

4-3-15 MCU branch part setup error - Connect more Indoor units than what is actually set up in MCU

4-3-16 MCU;MCU subcooler entrance;exit sensor error (Open;Short)

4-3-17 Outdoor Temperature Sensor Error

4-3-18 Cond Out Temperature Sensor Error (Open;Short)

4-3-19 Outdoor Cond Out sensor breakaway error

4-3-19 Outdoor Cond Out sensor breakaway error (cont.)

4-3-20 Compressor Discharge or Top 1;2 Temperature sensor error

4-3-21 Compressor Discharge or Top temperature sensor breakaway error

4-3-22: Suction Temperature sensor breakaway error

4-3-23 High Pressure sensor error (Open;Short)

4-3-24 Low Pressure sensor error (Open;Short)

4-3-25 Suction-2 Temperature Sensor Error (OPEN;SHORT)

4-3-26 Liquid Pipe Temperature sensor error (Open;Short)

4-3-27 EVI In Temperature sensor error (Open;Short)

4-3-28 EVI Out Temperature sensor error (Open;Short)

4-3-29 Suction-2 Temperature Sensor Error (OPEN;SHORT)

4-3-30 Measures of other outdoor unit error

4-3-31: Comp. Down due to High Pressure Protection Control

4-3-32: Comp. Down due to Low Pressure Protection Control

4-3-33: Suspension of starting due to Compressor discharge temperature sensor; Top temperature sensor

4-3-34 3-phase Input Wiring error

4-3-35: Suspension of starting by abnormal compression ratio

4-3-36 EVI EEV Open error

4-3-37 Refrigerant leakage error

4-3-38 Prevention of heating; cooling operation due to outdoor temperature

4-3-39 Prevention of heating refrigerant charge due to outdoor temperature

4-3-40 CH wire breaking error

4-3-41 Fan starting error

IPM breakdown diagnostics (FAN PCB)

4-3-42 Fan lock error

4-3-43 Momentary Blackout error

4-3-44 Outdoor Fan Motor overheating

4-3-45 Fan IPM Overheat error

4-3-46 Compressor starting error

Compressor starting error (cont.)

4-3-47 COMP Overcurrent error

Inverter Overcurrent error (cont.)

How to use inverter checker (Warning for high pressure)

IPM [IGBT] breakdown diagnostics (Inverter PCB)

4-3-48 Overvoltage; Low voltage error

4-3-49 DC Link voltage sensor error

4-3-50 Fan Motor Overcurrent error

Fan Motor Overcurrent error (cont.)

4-3-51 Input; Output Current sensor error

4-3-52 Outdoor Fan PCB Overvoltage; Low voltage error

4-3-53 Hall IC(Fan) error

4-3-54 Inverter Overheat error

4-3-55 Option setting error of outdoor unit

4-3-56 Error due to using single type outdoor unit in a module installation

4-3-57 Indoor unit and MCU address duplication error

9. Test Operation

9-1 Auto Trial Operation

Procedure for performing an automatic trial operation of the system.

9-1-2 Auto Trial Operation functions

9-1-3 How to troubleshoot of the Undetermined

Troubleshooting steps for "Undetermined" results during Auto Trial Operation, focusing on indoor temp sensor.

2) Outdoor Unit Temperature sensor

Troubleshooting for outdoor unit temperature sensor errors, focusing on "Undetermined" results.

3) High; Low pressure sensor (Module installed)

4) Pressure sensor (Independent installation)

5) Service Valve

6) Abnormal operation of the Compressor

7) Cycle status

8) 4 Way Valve

9) EVI EEV

10) Main EEV

9-1-4 Auto Trial Operation Error Code

9-2 Amount of refrigerant automatically checking

Samsung AM140JXVHGR/ET Specifications

General

Cooling Capacity	14.0 kW
Heating Capacity (kW)	16.0 kW
Refrigerant	R410A
Energy Efficiency Ratio (EER)	3.21
Power Consumption	4.36 kW
Power Supply	380-415V / 50Hz / 3Ph
Outdoor Unit Dimensions (WxHxD)	940 x 330 mm