Samsung AM096FNHDCH/AA

Questions and Answers

H
heidi23Jul 25, 2025
Why does my Samsung AM096FNHDCH/AA Air Conditioner show a communication error between indoor and outdoor units?
- R
  Renee ReedJul 25, 2025
  This error occurs due to several reasons: 1. There is no communication between the indoor and outdoor units for 2 minutes. 2. A communication error was received from the outdoor unit. 3. There is a 3-minute tracking error on the outdoor unit. 4. A communication error occurred after tracking due to an unmatching number of installed units. 5. An error is due to a repeated communication address. 6. The communication address is not confirmed, or another outdoor unit communication error not listed above occurred. The error codes associated with these issues are E101, E102, E202, E201, E108 and E109.
W
William PhillipsAug 2, 2025
What does it mean when my Samsung AM096FNHDCH/AA Air Conditioner shows an error related to the outdoor temperature sensor?
- M
  mary06Aug 2, 2025
  An error related to the outdoor temperature sensor on your Samsung Air Conditioner could indicate: 1. Error on outdoor temperature sensor (Short or Open). 2. Error on cond sensor. 3. Error on discharge sensor. The error codes associated with these issues are E221, E237 and E251.
J
Jose BarreraAug 9, 2025
What does E121 error mean on a Samsung AM096FNHDCH/AA Air Conditioner?
- L
  lynn78Aug 9, 2025
  Error E121 on a Samsung Air Conditioner indicates an error on the indoor temperature sensor (Short or Open).
C
carmenaveryAug 17, 2025
How to fix E108 error on Samsung Air Conditioner?
- K
  Kelly SmithAug 17, 2025
  To fix the E108 error on your Samsung Air Conditioner, change the address and reset the system.

Summary

SYSTEM AIRCONDITIONER

INDOOR UNIT

Lists various indoor unit models for system air conditioners.

1. Precautions

1-1 Precautions for the Service

Guidelines for safe and correct service procedures for electrical parts and handling.

1-2 Precautions for the Static Electricity and PL

Precautions for handling PCB power terminals and preventing damage from static electricity.

1-3 Precautions for the Safety

General safety measures to prevent electric shock, fire hazards, and damage to equipment.

1-4 Precautions for Handling Refrigerant for Air Conditioner

Safety and environmental precautions related to handling refrigerant during air conditioner service.

1-5 Precautions for Welding the Air Conditioner Pipe

Safety measures and procedures for welding air conditioner pipes, emphasizing refrigerant removal.

1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant

Guidelines for accurately calculating and supplementing refrigerant, avoiding hazardous practices.

1-7 Other Precautions

General precautions for installation, refrigerant withdrawal, and pipe connections to prevent damage.

2. Product Specifications

2-1 Product Specifacations

Detailed specifications for indoor units, including model, power, performance, and dimensions.

2-2 Accessory and Option Specifications

Specifications for optional accessories and features available for the air conditioning system.

3. Disassembly and Reassembly

Necessary Tools

Lists essential tools required for disassembly and reassembly procedures.

3-1 Indoor Unit

Procedures for disassembling indoor units, starting with the Slim 1-way cassette type.

Wind-free 1 way cassette type

Step-by-step guide for disassembling the panel and filter of the Wind-free 1-way cassette indoor unit.

BIG DUCT

Procedure for disassembling the motor and blower assembly of the BIG DUCT indoor unit.

Global 4 way Cassette type

Steps for disassembling the panel of the Global 4-way cassette type indoor unit.

Duct type(Slim1,2)

Procedure for disassembling the motor and blower of the Slim Duct (Slim 1,2) type indoor unit.

Duct type(Slim3)

Steps for disassembling the filter of the Slim Duct (Slim3) type indoor unit.

Duct type (MSP1)

Procedure for disassembling the filter of the Duct type (MSP1) indoor unit.

Duct type (MSP2, HSP SMALL)

Procedure for disassembling the blower and motor of the Duct type (MSP2, HSP SMALL) indoor unit.

Duct type (MA1-Drain Pump Built-in)

Steps for disassembling the fan parts of the Duct type (MA1) indoor unit.

Duct type (MA2)

Procedure for disassembling the drain pan of the Duct type (MA2) indoor unit.

AM036;048 JNCDCH;AA

Procedure for disassembling the electrical part of the AM036/048JNCDCH/AA model.

CEILING

Procedure for disassembling the electrical part of the CEILING type indoor unit.

Wall mounted type (Neo forte)

Steps to disassemble the front grille of the Neo forte wall-mounted indoor unit.

Wall Mounted type(A3050)

Procedure for disassembling the panel front of the Wall Mounted type (A3050) indoor unit.

Wall Mounted type (Boracay)

Steps to disassemble the front grille of the Boracay wall-mounted indoor unit.

Global Mini 4 way

Procedure for disassembling the panel of the Global Mini 4-way cassette type indoor unit.

PAC - AM145 FNPDBH1

Steps to disassemble the front view of the PAC AM145FNPDBH1 model.

AM290 FNPDBH1

Steps to disassemble the front view of the AM290FNPDBH1 model.

ASS’Y EVAP PART

Procedure for heat exchanger service, including refrigerant recovery and welding precautions.

Floor Standing Type (CONCEALED)

Steps to disassemble the cabinet of the concealed floor standing indoor unit.

Floor Standing Type (EXPOSED)

Steps to disassemble the cabinet of the exposed floor standing indoor unit.

OAP Duct type

Procedure for disassembling the cover control of the OAP Duct type.

Global Duct 1 (AM007;009;012;015;018 MNMDCH;AA)

Procedure for disassembling the cabinet bottom fan of the Global Duct 1 indoor unit.

Global Duct 2,3 (AM024;027;030;036;048 MNMDCH;AA)

Procedure for disassembling the cabinet bottom fan of the Global Duct 2,3 indoor unit.

Wall Mounted type (MAX)

Steps to disassemble the front grille of the MAX wall-mounted indoor unit.

360 Cassette Type

Procedure for disassembling the panel of the 360 Cassette type indoor unit.

4. Troubleshooting

4-1 Check-up Window Description

Description of the check-up window on the PCB, identifying functional components and their purposes.

4-2 Service Operation

Details special operations for service, including key inputs for modes like refrigerant charging and pump-down.

Commissioning

Procedures for commissioning air conditioners after installation, ensuring stable operation.

Refrigerant filling operation

Steps for filling refrigerant into the compressor, ensuring proper frequency and operation.

Heating Pump Out

Steps and precautions for pumping out refrigerant to the indoor part for outdoor unit repair.

Cooling Pump Down

Procedure for recovering refrigerant from indoor units and piping to the outdoor side for service.

Vacuum Operation

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

Piping Inspection Operation

Procedure to check piping status between MCU and indoor unit, including heat pump model conditions.

Discharge Mode Operation

Precautions and procedures for discharging high DC voltage from Inverter and Fan PCBs safely.

Forced defrost operation

Operation mode for when frost formation occurs in the outdoor unit during service.

Forced oil recovery operation

Procedure for oil recovery in the outdoor unit for moving or installation purposes.

4-3 Troubleshooting

General troubleshooting steps and methods for diagnosing system issues.

4-3-1 Setting Option Setup Method

Method for setting indoor unit address and installation options using the remote controller.

4-3-1-1 PCB option code input method

Input method for PCB option codes using specific button sequences on the remote controller.

The procedure of setting option

Detailed steps for setting various options like SEG values and modes using the remote control.

- Setting an indoor unit address and installation option

Steps to check power supply, panel connection, and set installation options for indoor units.

▶ 360 cassette

Instructions for setting indoor unit addresses and installation options for 360 cassette models.

Installation options for the 02 series

Detailed explanation of installation options (SEG values) for the 02 series, including specific notes on usage.

4-3-3 What to check before diagnosis

Guide to checking conditions before diagnosing, focusing on error detection and LED displays for cassette units.

Error detection and restart

Information on error detection and restart procedures for Global 4-way cassette type indoor units.

LED lamp display with error detection

Explanation of LED lamp indicators for various error conditions in Global 4-way cassette units.

Error detection and restart

Error detection and restart procedures for Duct type indoor units, including LED displays.

Error detection and reoperation

Error detection and reoperation for Ceiling type indoor units, with LED lamp display explanations.

- Big Ceiling

Error detection and reoperation for Big Ceiling units, including LED lamp displays for various error modes.

- Wall-mounted type

Indoor unit LED lamp displays and error codes for Wall-mounted type indoor units.

- 360 Cassette Type

Indoor unit LED lamp displays for error conditions specific to 360 Cassette type units.

4-3-4 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.)

Method for interpreting number displays on outdoor units, MCUs, and remote controls for error codes.

Diagnosis and Adjustment (Error Code)

Table of error codes and their explanations related to indoor unit communication and settings.

Diagnosis and Adjustment (Error Code)

Continued list of error codes and explanations related to communications, settings, and hardware.

Diagnosis and Adjustment (Error Code)

Further error codes and explanations covering sensor issues, compressor protection, and fan motor errors.

Diagnosis and Adjustment (Error Code)

Additional error codes related to compressor, fan motor, and system protection issues.

4-4 Appropriate Measures for Different Symptom

Diagnostic steps for various symptoms and appropriate measures to resolve them.

4-4-1 Outdoor Unit Operation Flow

Flowchart illustrating the outdoor unit operation flow and the commissioning process when 'UP' is displayed.

4-4-2 Main PCB has no power phenomenon

Diagnostic steps for a main PCB that shows no power, checking connections and components.

4-4-3 Indoor Unit ROOM sensor Error (Open;Short)

Steps to diagnose and resolve errors related to the indoor unit's room temperature sensor.

4-4-4 Indoor unit EVAP IN sensor Error (Open;Short)

Diagnostic steps for errors related to the indoor unit's EVAP IN sensor, including resistance checks.

4-4-5 Indoor EVAP OUT sensor Error (Open;Short)

Diagnostic steps for errors related to the indoor unit's EVAP OUT sensor, including resistance checks.

4-4-6 Indoor Heat Exchangers EVAP IN sensor dislocation error

Diagnostic steps for EVAP IN sensor dislocation errors in the indoor heat exchanger.

4-4-7 Indoor Heat Exchangers EVA OUT sensor dislocation error (Open;Short)

Diagnostic steps for EVA OUT sensor dislocation errors in the indoor heat exchanger.

4-4-8 Simultaneous Indoor Heat Exchangers EVA IN, OUT sensor dislocation error (Open;Short)

Diagnostic steps for simultaneous EVA IN and OUT sensor errors in the indoor heat exchanger.

4-4-9 Electronic Expansion Valve opening malfunction (2 nd stage) - E 135

Diagnostic steps for EEV opening malfunction (2nd stage), including wire and coil checks.

4-4-10 Breakdown of EEV (2 nd)

Diagnostic steps for EEV breakdown (2nd stage), focusing on wire connections and coil resistance.

4-4-11 Problem with EEV closure (2 nd)

Diagnostic steps for EEV closure problems (2nd stage), covering wire, coil, and refrigerant conditions.

4-4-12: Detection of Floating Switch of Indoor Units Drain Pump

Troubleshooting flow for detecting floating switch errors in the indoor unit's drain pump.

4-4-13 The operational error of Indoor Units Fan Motor

Diagnostic steps for operational errors of the indoor unit's fan motor, checking RPM feedback and connections.

4-4-14 Mixed operation Error (Only applicable to Heat Pump Model;Not to HR model)

Explanation of mixed operation errors, applicable to Heat Pump models, and how to resolve them.

4-4-15 EEPROM error

Diagnostic steps for EEPROM errors, involving PCB checks and restarting the system.

4-4-16 Option error of the Remote Controller for an Indoor Unit

Checks for relevant remote controller options to resolve indoor unit option errors.

4-4-17 Error due to confused use of Fahrenheit and Celsius

Troubleshooting steps for errors caused by incorrect use of Fahrenheit or Celsius settings, especially for Celsius models.

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

Check-up methods for simultaneous MCU SOL valve opening errors in cooling/heating modes.

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

Steps to check for disconnected lines and apply power to the terminal blocks for communication errors.

4-4-20 SPI Feedback Error

Diagnostic steps for SPI feedback errors, including checking connector and voltage.

4-4-21 Outdoor Unit Pipe Inspection Error

Judgment method and special causes for outdoor unit pipe inspection errors, focusing on MCU connection.

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

Steps to resolve communication errors between indoor and outdoor units during tracking.

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

Diagnostic steps for communication errors after tracking, checking PCB address and cables.

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

Troubleshooting steps for communication errors between outdoor unit components, checking power and wiring.

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

Inspection method for communication errors between MCU and outdoor unit, checking quantity setup and addresses.

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

Diagnostic steps for internal communication errors within the outdoor unit's C-Box, checking PCB connections.

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

Troubleshooting for internal PCB communication errors in the outdoor unit C-Box, checking wire connections and PCB status.

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

Inspection method for communication errors between MCU and outdoor unit after tracking, checking PCB address and cables.

4-4-29 MCU branch part setup error - inconsecutive connection with the use of 2 branch parts

Troubleshooting for MCU branch part setup errors due to non-consecutive connections with 2 branch parts.

4-4-30 MCU branch part setup error - Repeated setup for the same address over 3 times

Troubleshooting for MCU branch part setup errors caused by repeated same address setup.

4-4-31 MCU branch part setup error - non-installed address setup

Troubleshooting for MCU branch part setup errors when an indoor unit address is not installed among registered units.

4-4-32 Setup Error for MCU Branch part - Setup Error for MCU Quantity Used

Troubleshooting for MCU branch part setup errors related to incorrect MCU quantity or address overlaps.

4-4-33 MCU branch part setup error - Overlapping Indoor unit Address setup

Troubleshooting for MCU branch part setup errors due to overlapping indoor unit addresses.

4-4-34 MCU branch part setup error - Set as being used without connection to an Indoor unit

Troubleshooting for MCU branch part setup errors when a pipe is used without an indoor unit connection.

4-4-35 MCU branch part setup error - Connect an Indoor unit to a branch part not being used

Troubleshooting for MCU branch part setup errors when an indoor unit is connected to an unused branch part.

4-4-36 MCU branch part setup error - Connect more Indoor units than what is actually set up in MCU

Troubleshooting for MCU branch part setup errors where the number of indoor units exceeds MCU setup.

4-4-37 Outdoor Temperature Sensor Error

Diagnostic steps for outdoor temperature sensor errors, including resistance checks.

4-4-38 Outdoor Temperature dislocation error

Diagnostic steps for outdoor temperature sensor dislocation errors, including resistance checks.

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

Diagnostic steps for Cond Out Temperature sensor errors, including resistance checks.

4-4-40 Outdoor Cond Out sensor breakaway error

Diagnostic steps for outdoor Cond Out sensor breakaway errors, including checking attachment and resistance.

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

Diagnostic steps for digital compressor discharge temperature sensor errors, including connector and resistance checks.

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

Diagnostic steps for constant rate compressor discharge temperature sensor errors, including connector and resistance checks.

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

Diagnostic steps for compressor discharge or top temperature sensor errors, including connector and resistance checks.

4-4-44: Dislocation error of Compressor SUMP Temperature (oil temperature) Sensor

Diagnostic steps for compressor SUMP temperature sensor errors, comparing current and initial values.

4-4-45: Suction Temperature sensor breakaway error

Diagnostic steps for suction temperature sensor errors, checking attachment and resistance.

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

Diagnostic steps for SUMP temperature sensor errors, checking connector and resistance.

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

Diagnostic steps for high pressure sensor errors, checking connections, refrigerant, and voltage.

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

Diagnostic steps for low pressure sensor errors, checking connections, refrigerant, and voltage.

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

Diagnostic steps for suction temperature sensor errors, checking connector and resistance.

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

Diagnostic steps for liquid pipe temperature sensor errors, checking connector and resistance.

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

Diagnostic steps for EVI In temperature sensor errors, checking connector and resistance.

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

Diagnostic steps for EVI Out temperature sensor errors, checking connector and resistance.

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

Diagnostic steps for Suction-2 temperature sensor errors, checking connector and resistance.

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

Diagnostic steps for compressor down due to high pressure protection, checking valves and sensors.

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

Diagnostic steps for compressor down due to low pressure protection, checking valves, EEV, and refrigerant.

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

Diagnostic steps for sump sensor errors related to protection control, checking sensor connection and resistance.

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

Diagnostic steps for compressor down errors due to discharge temperature sensor issues.

4-4-58 3-phase Input Wiring error

Diagnostic steps for 3-phase input wiring errors, checking terminals, reactor, and fuses.

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

Diagnostic steps for compressor down errors related to compression ratio control.

4-4-60 EVI EEV Open error

Diagnostic steps for EVI EEV open errors, checking connections, coils, and leakage.

4-4-61 Refrigerant Leakage Error

Diagnostic steps for refrigerant leakage errors, including sensor checks and refrigerant levels.

4-4-62,:Prohibition of the operation of Compressor due to Ooutdoor Temperature

Explanation of error codes related to compressor operation prohibition due to outdoor temperature limits.

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

Diagnostic steps for high pressure standard errors preventing re-operation, checking sensor and refrigerant.

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

Diagnostic steps for CCH malfunction and sump sensor miswiring errors, checking connections and resistance.

4-4-65 Fan starting error

Diagnostic steps for fan starting errors, checking resistance, connections, and PCB.

4-4-66 Fan lock error

Diagnostic steps for fan lock errors, checking foreign objects, motor rotation, and connections.

4-4-67 Momentary Blackout error

Explanation and precautions for momentary blackout errors, suggesting PCB or hub connection wire replacement.

4-4-68 Outdoor Fan Motor overheating

Diagnostic steps for outdoor fan motor overheating, checking connections, foreign objects, and PCB.

4-4-69 Outdoor Unit Fan Motor RPM Error

Diagnostic steps for outdoor unit fan motor RPM errors, checking feedback, connections, and motor operation.

4-4-70 Fan IPM Overheat error

Diagnostic steps for fan IPM overheat errors, checking heat sink and foreign objects.

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

Diagnostic steps for over-voltage errors in the outdoor fan motor, checking rotation and load status.

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

Diagnostic steps for counter-rotation errors in the outdoor fan motor, considering wind effects.

4-4-73: Compressor Excess Current Error

Diagnostic steps for compressor excess current errors, checking CT sensor values and connections.

4-4-74 Compressor starting error

Diagnostic steps for compressor starting errors, checking hot gas bypass valve, resistance, and connections.

4-4-75 Inverter Overcurrent error

Diagnostic steps for inverter overcurrent errors, checking installation, sensors, and connections.

4-4-76 Overvoltage; Low voltage error

Diagnostic steps for overvoltage/low voltage errors, checking wiring and EMI fuse.

4-4-77 DC Link voltage sensor error

Diagnostic steps for DC Link voltage sensor errors, checking power connections, reactor, and fuses.

4-4-78 Liquid Compression Prevention Control

Inspection method for liquid compression prevention control, checking sensors, EEV, and valves.

4-4-79 Fan Motor Overcurrent error

Diagnostic steps for fan motor overcurrent errors, checking installation, connections, and PCB.

4-4-80 Input; Output Current sensor error

Diagnostic steps for input/output current sensor errors, checking power and PCB voltage sensing.

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

Diagnostic steps for outdoor fan PCB overvoltage/low voltage errors, checking wiring and fuses.

4-4-82 Hall IC(Fan) error

Diagnostic steps for Hall IC errors in the fan motor, checking connections and PCB.

4-4-83 Inverter Overheat error

Diagnostic steps for inverter overheat errors, checking IGBT module resistance and heat sink assembly.

4-4-84 Model mismatching of Indoor unit.

Troubleshooting for model mismatching errors, checking software versions and compatibility.

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

Diagnostic steps for EEV breakdown (1st stage), covering wire connections, coil checks, and resistance.

4-4-86 Breakdown of an EEV closure

Diagnostic steps for EEV closure breakdown, checking conditions for cooling and heating operations.

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

Diagnostic steps for EEV closing malfunction (2nd stage), including address setup accuracy.

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

Diagnostic steps for EEV opening malfunction (2nd stage), checking wire, coil, and address setup.

5. PCB Diagram and Parts List

5-1 Indoor Unit

PCB diagram and parts list for indoor units, starting with the Slim 1-way cassette type.

5-1-1 Slim 1 way cassette type

Detailed pin assignments and functions for various connectors on the Slim 1-way cassette PCB.

5-1-2 4 way cassette, mini 4 way casette type

PCB diagram for 4-way cassette and mini 4-way cassette indoor units.

4 way cassette, mini 4 way casette type

Detailed pin assignments for connectors on the 4-way cassette and mini 4-way cassette PCBs.

5-1-3 Duct type (SLIM Duct 1,2)

PCB diagram for Slim Duct (1,2) type indoor units, highlighting the main PCB.

Duct type (SLIM Duct 1,2) (cont.)

Detailed pin assignments for the main PCB of Slim Duct (1,2) type indoor units.

Sub PCB

Diagram and pin assignments for the sub PCB used in Slim Duct (1,2) indoor units.

5-1-4 Duct type (Slim Duct 3, MA-1(Drain Pump Built-in))

PCB diagram for Slim Duct 3, MA-1 (Drain Pump Built-in) type indoor units, highlighting the main PCB.

Duct type (Slim Duct 3, MA-1(Drain Pump Built-in)) (cont.)

Detailed pin assignments for the main PCB of Slim Duct 3, MA-1 indoor units.

Sub PCB

Diagram and pin assignments for the sub PCB used in Slim Duct 3, MA-1 indoor units.

5-1-5 Duct type (MSP, HSP Small, BIG Duct, MA-2(Drain Pump Built-in))

PCB diagram for Duct type (MSP, HSP Small, BIG Duct, MA-2) indoor units, highlighting the main PCB.

Duct type (MSP, HSP Small, BIG Duct, MA-2(Drain Pump Built-in)) (cont.)

Detailed pin assignments for the main PCB of Duct type (MSP, HSP Small, BIG Duct, MA-2) indoor units.

BLDC PCB

Diagram for the BLDC PCB used in Duct type (HSP Small, MA-2) indoor units.

BLDC PCB (cont.)

Pin assignments for the BLDC PCB used in Duct type (HSP Small, MA-2) indoor units.

Duct type (BIG Duct) (cont.)

Diagram for the EMI PCB used with BIG Duct type indoor units.

EMI PCB

Power input/output and earth connections for the EMI PCB used with BIG Duct type indoor units.

5-1-6 Celing type

PCB diagram for Ceiling type indoor units, highlighting the main PBA.

Celing type

Detailed pin assignments for connectors on the main PBA of Ceiling type indoor units.

5-1-7 Big Ceiling

PCB diagram for Big Ceiling indoor units, highlighting the main PBA.

Big Ceiling (cont.)

Diagram and function descriptions for the sub PCB of Big Ceiling indoor units.

SUB PCB DIAGRAM (AM036 JNCDCH;AA)

Diagram and pin assignments for the sub PCB of Big Ceiling indoor units.

5-1-8 Wall-Mounted type (Neo Forte)

PCB diagram for Neo Forte wall-mounted indoor units, highlighting the main PCB.

SUB SWITCH

Details of sub switch settings and functions, including connector information.

5-1-9 Wall Mounted type(A3050, MAX)

PCB diagram for Wall Mounted type (A3050, MAX) indoor units, highlighting the main PBA.

Main PBA (cont.)

Detailed pin assignments for the main PBA of Wall Mounted type (A3050, MAX) indoor units.

Sub PCB (cont.)

Diagram and pin assignments for the sub PCB used in Wall Mounted type (A3050, MAX) indoor units.

5-1-10 Wall-Mounted type (Boracay)

PCB diagram for Wall-Mounted type (Boracay) indoor units, highlighting the main PCB.

Wall-Mounted type (Boracay)(Cont.)

Diagram and pin assignments for the sub PCB used in Wall-Mounted type (Boracay) indoor units.

5-1-11 Floor Stand Type

PCB diagram for Floor Stand type indoor units, highlighting the main PCB.

Floor Stand Type

Detailed pin assignments for the main PCB of Floor Stand type indoor units.

5-1-12 OAP DUCT (AMJNESCH;AA)

PCB diagram for OAP Duct (AMJNESCH/AA) indoor units, highlighting the main PCB.

OAP DUCT (AMJNESCH;AA) (cont.)

Detailed pin assignments for the main PCB of OAP Duct (AMJNESCH/AA) indoor units.

EMI PCB

Diagram for the EMI PCB used with OAP Duct indoor units.

BLDC Driver PCB

Diagram for the BLDC Driver PCB used with OAP Duct indoor units.

BLDC Driver PCB

Pin assignments for the BLDC Driver PCB used with OAP Duct indoor units.

5-1-13 Global Duct -1,2 (AM007;009;012;015;018;024;027;030 MNMDCH;AA)

PCB diagram for Global Duct -1,2 indoor units, highlighting the main PCB.

Global Duct -1,2 (AM007;009;012;015;018;024;027;030 MNMDCH;AA) MAIN PCB

Detailed pin assignments for the main PCB of Global Duct -1,2 indoor units.

ATFs PCB

PCB diagram for ATFs PCB used with Global Duct -1,2 indoor units.

ATFs PCB

Pin assignments for the ATFs PCB used with Global Duct -1,2 indoor units.

Global Duct -1,2 (AM007;009;012;015;018;024;027;030 MNMDCH;AA) EMI PCB

Diagram for the EMI PCB used with Global Duct -1,2 indoor units.

5-1-14 Global Duct -3 (AM036;048 MNMDCH;AA)

PCB diagram for Global Duct -3 indoor units, highlighting the main PCB.

Global Duct -3 (AM036;048 MNMDCH;AA) MAIN PCB

Detailed pin assignments for the main PCB of Global Duct -3 indoor units.

5-1-15 Wind-free 1 way cassette type

PCB diagram for Wind-free 1way cassette type indoor units, highlighting the main PBA.

Wind-free 1 way cassette type (cont.) - Main PBA (AM007;009;012 NN1 DCH)

Detailed pin assignments for the main PBA of Wind-free 1way cassette type indoor units (AM007/009/012NN1DCH).

Wind-free 1 way cassette type (cont.) - Main PBA (AM018;024 NN1 DCH;AZ)

PCB diagram for Wind-free 1way cassette type indoor units (AM018/024NN1DCH/AZ), highlighting the main PBA.

DISPLAY PBA (AM007;009;012 NN1 DCH)(Cont.)

Diagram and pin assignments for the display PBA of Wind-free 1way cassette type indoor units.

5-1-16 360 cassette

PCB diagram for 360 Cassette type indoor units, highlighting the main PCB.

360 cassette (cont.) - MAIN PCB

Detailed pin assignments for the main PCB of 360 Cassette type indoor units.

5-1-17 Indoor Unit Power PCB

PCB diagram for the Indoor Unit Power PCB, applicable to 360 Cassette type.

5-1-18 Display PCB

PCB diagram for the Display PCB used with 360 Cassette type indoor units.

6. Wiring Diagram

6-1 Indoor

Wiring diagrams for indoor units, starting with the Global 4-way cassette type.

6-1-2 Slim 1 way cassette type

Wiring diagram for the Slim 1-way cassette type indoor unit.

6-1-3 BIG Duct

Wiring diagram for the BIG Duct type indoor unit.

6-1-4 Ceiling

Wiring diagram for the Ceiling type indoor unit.

6-1-5 Big Ceiling (AM036;048 JNCDCH;AA)

Wiring diagram for the Big Ceiling (AM036/048JNCDCH/AA) indoor unit.

6-1-6 RAC(Neo Forte)

Wiring diagram for the RAC (Neo Forte) type indoor unit.

6-1-7 Wall Mounted type(A3050, MAX)

Wiring diagram for the Wall Mounted type (A3050, MAX) indoor unit.

6-1-8 DUCT type (Slim Duct 3, MA-1(Drain Pump Built-in))

Wiring diagram for the DUCT type (Slim Duct 3, MA-1) indoor unit.

6-1-9 DUCT type (Slim Duct 1,2, MSP)

Wiring diagram for the DUCT type (Slim Duct 1,2, MSP) indoor unit.

6-1-10 DUCT type (HSP Small, MA-2(Drain Pump Built-in))

Wiring diagram for the DUCT type (HSP Small, MA-2) indoor unit.

6-1-11 Floor Stand Type

Wiring diagram for the Floor Stand type indoor unit.

6-1-12 OAP Duct type

Wiring diagram for the OAP Duct type indoor unit.

6-1-13 Wall-Mounted type (Boracay)

Wiring diagram for the Wall-Mounted type (Boracay) indoor unit.

6-1-14 Global Duct (AM007;009;012;015;018;024;027;030 MNMDCH;AA)

Wiring diagram for the Global Duct indoor unit (AM007/009/012/015/018/024/027/030MNMDCH/AA).

6-1-15 Global Duct (AM036;048 MNMDCH;AA)

Wiring diagram for the Global Duct indoor unit (AM036/048MNMDCH/AA).

6-1-16 Wind-free 1 way cassette type (AM007;009;012 NN1 DCH)

Wiring diagram for the Wind-free 1way cassette type indoor unit (AM007/009/012NN1DCH).

6-1-17 Wind-free 1 way cassette type (AM018;024 NN1 DCH;AZ)

Wiring diagram for the Wind-free 1way cassette type indoor unit (AM018/024NN1DCH/AZ).

6-1-18 360 cassette (AM009;012;018;024;030;036;048 KN4 DCH;AA)

Wiring diagram for the 360 cassette indoor unit (AM009/012/018/024/030/036/048KN4DCH/AA).

7. Reference Sheet

7-1 Index for Model Name

Index to understand the model naming convention, breaking down components like classification, capacity, and features.

7-1-1 Indoor Unit

Explanation of the model code structure for indoor units, detailing each part of the code.

7-1-2 Panel

Explains the model code structure for panels, including product classification, color, type, and panel version.

7-2 Pump-down Method

Precautions and steps for pump-down procedures, including single and multiple outdoor unit installations.

7-3 How to Put Refrigerant in Refrigerant Container

Steps for safely putting refrigerant into a container before pump-down, including pressure checks and container capacity.