Samsung AM160FNBFGB/EU User Manual

Refer to the service manual in the GSPN(see the rear cover) for the more information.
SYSTEM AIRCONDITIONER CONTENTS
SYSTEM AIRCONDITIONER
INDOOR UNIT
AM022/028/036FN1DEH/TK
AM056/071JN1DEH/TK
AM056/071FN2DEH/TK
AM045/056/071/090/112/128/140/FN4DEH/TK
AM022/028/036/045/056/060FNNDEH/TK
AM112/128/140/220/280FNHDEH/TK
AM036/056/071FNFDEH/TK
AM050/100FNKDEH/TK
AM017/022/028/036/045/056/071/090/112/128/140FNLDEH/TK
AM022/028/036/045/056/071/090/112//128/140FNMDEH/TK
AM056/071FNCDEH/TK
AM028/036/056FNJDEH/TK
AM022/028/036/056/071FNTDEH/TK
AM022/028/036/045/056/071FNQDEH/TK
AM160KNMDEH/TK
AM022/045KNJDEH/TK
AM015/022/028/036/045/056/071/082JNVDEH/TK
AM180/228JNHPKH/TK
AM045/056/071/090/112/128/140KN4DEH/TK
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Reference Sheet

Samsung AM160FNBFGB/EU Specifications

General

Model	AM160FNBFGB/EU
Type	Heat Pump
Cooling Capacity	16.0 kW
Heating Capacity	18.0 kW
Energy Efficiency Class (Cooling)	A++
Energy Efficiency Class (Heating)	A+
Refrigerant	R410A
Operating Temperature Range (Heating)	-20°C to 24°C
Power Supply	50Hz
Dimensions (Outdoor Unit)	940 x 330 mm

Summary

Precautions

1-1 Precautions for the Service

Guidelines for servicing electrical parts, harnesses, and product handling during repairs.

1-2 Precautions for the Static Electricity and PL

1-3 Precautions for the Safety

Essential safety guidelines for operating and handling electrical components, plugs, and wiring.

1-4 Precautions for Handling Refrigerant for Air Conditioner

Safety and environmental precautions related to refrigerant handling, release, and container management.

1-5 Precautions for Welding the Air Conditioner Pipe

1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant

Product Specifications

Disassembly and Reassembly

3-1 Indoor Unit

Step-by-step procedures for disassembling and reassembling various types of indoor units.

3-1-1 Slim 1 way cassette type (medium)

Detailed disassembly instructions for the panel, filter, and internal components of slim 1-way cassette units.

3-1-2 Slim 1 way cassette type (large)

Disassembly procedures for the panel, drain pan, and SPI kit of large slim 1-way cassette units.

3-1-3 BIG DUCT

Procedures for disassembling the motor, blower, evaporator, and drain pan for BIG DUCT units.

3-1-4 Global 4way Cassette type

Disassembly steps for the panel, control box, bell-mouth, and drain pan of global 4-way cassette units.

3-1-5 360 Cassette

Procedures for disassembling the panel and control box of 360 cassette indoor units.

3-1-6 Duct type(Slim1,2)

Disassembly steps for motor, blower, drain pan, evaporator, and control components for slim duct type 1 and 2.

3-1-7 Duct type(Slim3)

Procedures for disassembling the filter, bracket outlet, and internal components of slim duct type 3 units.

3-1-8 Duct type(Mid pressure1)

Disassembly steps for filter, control in, drain pan, and evaporator of mid-pressure type 1 duct units.

3-1-9 Duct type(Mid Pressure2, High Pressure)

Procedures for disassembling blower, motor, drain pan, and evaporator of mid-pressure type 2 and high-pressure duct units.

3-1-10 CEILING

Disassembly steps for electrical parts, fan, motor, and drain pan of ceiling type indoor units.

3-1-11 CONSOLE

Procedures for disassembling cabinet parts, electrical parts, blowing, and evaporator parts of console type units.

3-1-12 ERV PLUS

3-1-13 Floor Standin Type

Disassembly procedures for the cabinet, heat exchanger, and motor/fan of floor standing units.

3-1-14 Wall Mounted type(Neo Forte without EEV)

Steps for disassembling the front grille, control-in, tray drain, heat exchanger, and fan motor of wall-mounted units.

3-1-15 Wall Mounted type(A3050)

Procedures for detaching the panel-front, cover panel, and control-in for wall-mounted A3050 type units.

3-1-16 Wall Mounted type(Neo Forte with EEV)

Disassembly steps for panel-front, cover-panel, and control-in for wall-mounted Neo Forte EEV units.

3-1-17 GD-S(Big Duct)

Procedures for disassembling the cover control, motor & fan, and control box for GD-S (Big Duct) units.

Troubleshooting

4-2 Service Operation

4-3 Troubleshooting

Guide to troubleshooting various error codes and malfunctions.

4-4 Troubleshooting

General troubleshooting procedures for common symptoms and errors.

4-4-2 Service Operation

4-4-3 Troubleshooting

Guide to troubleshooting various error codes and malfunctions.

4-4-4 Troubleshooting

General troubleshooting procedures for common symptoms and errors.

4-4-12 : Detection of Floating Switch of Indoor Unit's Drain Pump

Troubleshooting steps for errors related to the indoor unit's drain pump floating switch.

4-4-13 The operational error of Indoor Unit's Fan Motor

Troubleshooting steps for errors related to the indoor unit's fan motor operation.

4-4-15 EEPROM error

4-4-18 Simultaneous opening of Cooling/heating MCU SOL Valves 1st/2nd

4-4-19 Error due to incorrect Indoor Unit Power/Communication Cable Connection

4-4-20 SPI Feedback Error

4-4-22 Communication Error between Indoor and Outdoor Units during Tracking

4-4-23 Communication Error between Indoor and Outdoor Units after Tracking

4-4-24 Communication error between main and sub Unit of outdoor unit or between outdoor units

4-4-25 Communication Error between MCU and Outdoor Unit

4-4-26 Internal Communication error of the Outdoor Unit C-Box

4-4-27 Internal PCB Communication error of the Outdoor Unit C-Box

4-4-28 Communication Error between MCU and Outdoor Unit after Tracking is Completed

4-4-37 Outdoor Temperature Sensor Error

Troubleshooting steps for outdoor temperature sensor errors (open/short).

4-4-38 Outdoor Temperature dislocation error

Diagnosing and resolving errors related to outdoor temperature sensor dislocation.

4-4-39 Cond Out Temperature Sensor Error (Open/Short)

Troubleshooting steps for Cond Out Temperature Sensor errors (open/short).

4-4-40 Outdoor Cond Out sensor breakaway error

Diagnosing and resolving outdoor Cond Out sensor breakaway or defective errors.

4-4-41 Digital Compressor Discharge Temperature Sensor Error (OPEN/SHORT)

Troubleshooting steps for digital compressor discharge temperature sensor errors.

4-4-42 Constant Rate Compressor Discharge Temperature Sensor Error (OPEN/SHORT)

Diagnosing and resolving constant rate compressor discharge temperature sensor errors.

4-4-43 Compressor Discharge or Top 1/2 Temperature sensor error

Troubleshooting compressor discharge or top 1/2 temperature sensor errors.

4-4-44 : Comp. Down due to Compressor SUMP Temperature (oil temperature) Sensor

Steps to diagnose and resolve compressor sump temperature sensor dislocation errors.

4-4-45 : Suction Temperature sensor breakaway error

Troubleshooting steps for suction temperature sensor breakaway or defective errors.

4-4-46 SUMP Temperature Sensor Error (OPEN/SHORT)

Diagnosing and resolving SUMP temperature sensor errors (open/short).

4-4-47 High Pressure sensor error (Open/Short)

Troubleshooting steps for high pressure sensor errors (open/short).

4-4-48 Low Pressure sensor error (Open/Short)

Diagnosing and resolving low pressure sensor errors (open/short).

4-4-49 Suction Temperature sensor error (Open/Short)

Troubleshooting suction temperature sensor errors (open/short).

4-4-50 Liquid Pipe Temperature sensor error (Open/Short)

Diagnosing and resolving liquid pipe temperature sensor errors (open/short).

4-4-51 EVI In Temperature sensor error (Open/Short)

4-4-52 EVI Out Temperature sensor error (Open/Short)

4-4-53 Suction-2 Temperature Sensor Error (OPEN/SHORT)

4-4-54 : Comp. Down due to High Pressure Protection Control

Troubleshooting steps for compressor down errors due to high pressure protection control.

4-4-55 : Comp. Down due to Low Pressure Protection Control

Diagnosing compressor down errors due to low pressure protection control.

4-4-56 Sump Sensor Error Due to Protection Control

4-4-57 : Comp. Down due to Compressor Discharge Temperature sensor

4-4-58 3-phase Input Wiring error

4-4-59 : Comp. Down by Compression Ratio Control

4-4-60 EVI EEV Open error

4-4-61 Refrigerant Leakage Error

Steps to diagnose and resolve refrigerant leakage errors.

4-4-63 High Pressure Standard Not Met before Air Conditioning (Inability to Re-operate)

4-4-64 CCH Malfunction and Sump Sensor Miswiring Error

4-4-65 Fan starting error

4-4-66 Fan lock error

4-4-68 Outdoor Fan Motor overheating

4-4-69 Outdoor Unit Fan Motor RPM Error

4-4-70 Fan IPM Overheat error

4-4-71 Over-Voltage Error of an Outdoor Fan Motor

4-4-72 Counter-Rotation Error of an Outdoor Fan Motor

4-4-73 : Compressor Excess Current Error

4-4-74 Compressor starting error

4-4-75 Inverter Overcurrent error

4-4-76 Overvoltage / Low voltage error

4-4-77 DC Link voltage sensor error

4-4-78 Liquid Compression Prevention Control

Steps to diagnose and resolve liquid compression prevention control errors.

4-4-79 Fan Motor Overcurrent error

4-4-80 Input / Output Current sensor error

4-4-81 Outdoor Fan PCB Overvoltage / Low voltage error

4-4-82 Hall IC(Fan) error

4-4-83 Inverter Overheat error

4-4-85 Breakdown of an EEV(1st)

4-4-86 Breakdown of an EEV closure

4-4-87 Electronic expansion valve closing malfunction (2nd stage)

4-4-88 Electronic expansion valve opening malfunction (2nd stage)

Wiring Diagram