Samsung AM050FXMDGH User Manual

Refer to the service manual in the GSPN(see the rear cover) for the more information.
AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
AM040FXMDEH
AM050FXMDEH
AM060FXMDEH
AM040FXMDGH
AM050FXMDGH
AM060FXMDGH
AM060KXMDGH
AM040KXMDEC
AM050KXMDEC
Ŷ Product Specifications
Ŷ Disassembly and Reassembly
Ŷ Troubleshooting
Ŷ PCB Diagram
Ŷ Wiring Diagram
Ŷ Reference Sheet
Ŷ Check Operation & Amount of
Refregent Automatically Checking

Samsung AM050FXMDGH Specifications

General

Type	Air conditioner outdoor unit
Multi-split	-
Product color	White
Compressor type	Twin Rotary
Gas hose diameter	15.88 mm
Hose length (max)	175 m
Hose length (min)	150 m
Liquid hose diameter	9.52 mm
Refrigerating medium	R410A
Air conditioner functions	Cooling, Heating
Cooling capacity (nominal)	47800 BTU/h
Heating capacity (nominal)	54600 BTU/h
Refrigerating medium weight	3200 g
Heating capacity in watts (max)	16000 W
Cooling capacity in watts (nominal)	14000 W
Cooling energy efficiency (EER, W/W)	4.43
Heating energy efficiency (COP, W/W)	3.8
Operating temperature (cooling) (T-T)	-5 - 48 °C
Operating temperature (heating) (T-T)	-20 - 26 °C
Heating capacity in watts (nominal) (Warmer heating season)	- W
AC input voltage	380 - 415 V
Current (cooling)	6.2 A
Current (heating)	6 A
AC input frequency	50 Hz
Design load (cooling)	- kW
Power consumption (cooling) (max)	3610 W
Power consumption (heating) (max)	3680 W
Hourly energy consumption (cooling)	- kWh
Indoor unit noise level (high speed)	- dB
Outdoor unit noise level	51 dB
Outdoor unit sound power level	67 dB

Summary

Product Specifications

2. Product Specifications

Provides detailed technical specifications for the product.

1-1 Feature

Reinforced corrosion resistance on the heat exchanger

Memory module

Explains the memory module's function for faster diagnosis and repair.

Refrigerant pump-down

Maximum 9 indoor unit connection

Optimized cooling/heating and increased system efficiency! Liquid EEV & Turbo Inter-cooler

Long piping/High level difference technology

System check through View mode

Disassembly and Reassembly

Troubleshooting

Guides on diagnosing and resolving system issues.

Necessary Tools

Compressor

Check Operation & Amount of Refrigerant Automatically Checking

Details automatic checks for operation and refrigerant levels.

Troubleshooting

1. Error Display

2. Error Code

Lists all error codes and their descriptions.

3-1 Communication error between indoor and outdoor units during tracking (Error Code: E201)

Troubleshoots communication errors between units during tracking.

3-2 Communication error between indoor and outdoor units after completing tracking (Error Code: E202)

Troubleshoots communication errors after tracking is complete.

3-3 Communication error (1 minute) between Main and Sub Micoms of an Outdoor unit or among Outdoor Units (Error Code : E203)

Troubleshoots 1-minute communication errors between outdoor unit micoms.

3-4 Outdoor temperature sensor error (Error Code: E221, E231, E251, E269)

Troubleshoots errors related to outdoor temperature sensors.

3-5 High pressure temperature sensor error (Open/Short) (Error Code : E291)

Troubleshoots high pressure sensor errors (open/short).

3-6 Compressor down by antifreeze control (Error Code: E403)

Troubleshoots compressor shutdown due to antifreeze control.

3-7 Comp. down due to a protective control of high pressure (Error Code: E407)

Troubleshoots compressor shutdown due to high pressure protection.

3-8 Comp. down due to a protective control of low pressure (Error Code: E410)

Troubleshoots compressor shutdown due to low pressure protection.

3-9 Comp. down due to a discharge temperature sensor of a compressor (Error Code: E416)

Troubleshoots compressor issues related to discharge temperature sensor.

3-10 Reverse phase detection error (3Phase outdoor unit) (Error Code: E425)

Troubleshoots reverse phase detection errors in 3-phase units.

3-11 ESC EEV open error (Error Code : E438)

Troubleshoots ESC EEV open errors.

3-12 Refrigerant leakage error (Error Code : E439)

Troubleshoots refrigerant leakage errors.

3-13 Prohibition of the compressor operation due to outdoor temperature (Error Code : E440, 441)

Explains compressor operation prohibition due to outdoor temperature.

3-15 Outdoor unit fan error (Error Code : E458,475)

Troubleshoots outdoor unit fan errors.

3-16 Comp down due to OLP temperature control (Error Code : E463)

Troubleshoots compressor shutdown due to OLP temperature control.

3-17 Compressor starting/rotation error (Error Code : E461, E467)

Troubleshoots compressor starting and rotation errors.

Compressor starting/rotation error (Error Code : E461, E467) (cont.)

Continues troubleshooting for compressor starting/rotation errors.

3-18 Current error / PFC overload error (Error Code : E462, E484)

Troubleshoots current and PFC overload errors.

3-19 IPM over current error (Error Code : E464)

Troubleshoots IPM over current errors.

IPM over current error (Error Code : E464) (cont.)

Continues troubleshooting for IPM over current errors.

3-20 DC-Link voltage under/over error (Error Code : E466)

Troubleshoots DC-Link voltage under/over errors.

DC-Link voltage under/over error (Error Code : E466) (cont.)

Continues troubleshooting for DC-Link voltage errors.

3-21 Gas leak error (Error Code: E554)

Gas leak error (Error Code : E554) (cont.)

3-22 Others

3. How to take measures for each symptom

Provides troubleshooting steps for various system symptoms.

Low pressure temperature sensor error (Open/Short) (Error Code : E296)

Troubleshoots low pressure sensor errors (open/short).

3-14 Refrigerant leakage error (during operation) (Error Code : E443)

Troubleshoots refrigerant leakage errors during operation.

Check Operation & Amount of Refrigerant Automatically Checking

1. Check Operation

1-1 Check Operation

1-2 How to troubleshoot of the "Undetermined"

Steps to troubleshoot "Undetermined" results for indoor unit sensors.

2) Outdoor Unit Temperature sensor

3) Pressure sensor

4) Abnormal operation of the Compressor

5) Cycle status

6) 4Way Valve

7) Main EEV

2. Automatic refrigerant amount detection function (Checking th amount of refrigerant)

Explains the function for detecting refrigerant amount automatically.

4) Inspection item of the Check operation

1) Indoor Unit Temperature sensor

1-3 Automatic Commissioning Error Code