Table of Contents
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AIR CONDITIONER
AR09RXFPEWQNEU
AR12RXFPEWQNEU
AR18RXFPEWQNEU
AR24RXFPEWQNEU
AR09RXFPEWQXEU
AR12RXFPEWQXEU
AR18RXFPEWQXEU
AR24RXFPEWQXEU
SPLIT-TYPE AIRCONDITIONER
INDOOR UNIT
MODEL CODE
AR09RXFPEWQNEU
AR12RXFPEWQNEU
AR18RXFPEWQNEU
AR24RXFPEWQNEU
CONTENTS
1. Precautions
2. Pr
cations
3. Alignment and Adjustments
4. Disassembly and Reassembly
5. ASSY CONTROL
6. Electrical Parts List
7. Wiring Diagram
8. PCB Diagram
9. Operating Instructions
10. Troubleshooting
11.Block Diagram
12. Reference Sheet
OUTDOOR UNIT
AR09RXFPEWQXEU
AR12RXFPEWQXEU
AR18RXFPEWQXEU
AR24RXFPEWQXEU
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Table of Contents
Related Manuals for Samsung AR18RXFPEWQNEU
Summarization of Contents
Precautions
1-1 Installing the air conditioner
Guidelines for safely installing the air conditioner, emphasizing professional installation.
1-2 Power supply and circuit breaker
Instructions for proper power connection, circuit breaker usage, and avoiding hazards.
1-3 During operation
Safety precautions during the air conditioner's operation, including avoiding liquid spills and obstructions.
1-4 Disposing of the unit
Procedures for safely disposing of the air conditioner and its components, considering environmental impact.
1-5 Others
Additional safety notes, including handling the unit, supervision of users, and current measurement standards.
Product Specifications
2-1 The Feature of Product
Highlights key features like 2-step cooling, Fast cooling, Comfort cooling, Single User, Easy Filter, Sleep, Smart Install, and Easy Installation.
2-2 Product Specifications
Detailed technical specifications for various models, including capacity, power input, current, efficiency, and dimensions.
2-3 The comparative specification of product
Comparative specifications across different models, detailing weights, dimensions, noise levels, and displays.
2-4 Accessoray and option specifications
Lists accessory items and their specifications, including hangers, remote controls, batteries, and manuals.
Alignment and Adjustments
3-1 Test Mode
Instructions on how to enter and operate the test mode for checking air conditioner functionality.
3-2 Display Error and Check Method
Details error codes and display patterns for indoor and outdoor units, with troubleshooting steps.
3-3 Setting Option Setup Method
Step-by-step guide on setting various operational options using the remote control for different modes.
Disassembly and Reassembly
4-1 Indoor Unit
Procedures for disassembling and reassembling the indoor unit, covering parts like the front panel, drain tray, and control box.
4-2 Outdoor Unit (N-V2MD)
Step-by-step instructions for disassembling the outdoor unit (N-V2MD model), covering common work, fan, motor, and components.
4-3. Outdoor Unit (Q-480)
Procedures for disassembling the outdoor unit (Q-480 model), including common work, fan, motor, and heat exchanger removal.
ASSY CONTROL
5-1 ASSY KIT CODE DB92-04454D
Lists the components and codes for Assy Kit DB92-04454D, relevant for specific indoor unit models.
5-2 ASSY KIT CODE DB92-04454H
Details the components and codes for Assy Kit DB92-04454H, applicable to other indoor unit models.
5-3 ASSY KIT CODE DB92-04376B
Provides a list of parts and their codes for Assy Kit DB92-04376B, used in specific air conditioner models.
5-4 ASSY KIT CODE DB92-04378B
Enumerates the components and codes for Assy Kit DB92-04378B, for select air conditioner models.
5-5 ASSY KIT CODE DB92-04379B
Lists parts and codes for Assy Kit DB92-04379B, essential for certain air conditioner configurations.
Electrical Parts List
6-1 INDOOR MAIN PCB CODE DB92-03467G
Detailed list of electrical parts for the indoor main PCB (DB92-03467G), including part codes, descriptions, and specifications.
6-2 OUTDOOR MAIN PCB CODE DB92-04029D
Comprehensive list of electrical parts for the outdoor main PCB (DB92-04029D), with specifications.
6-3 OUTDOOR PCB INVERTER CODE DB92-04025C
List of electrical parts for the outdoor PCB inverter (DB92-04025C), detailing components and their specifications.
6-4 OUTDOOR PCB INVERTER CODE DB92-04027B
List of electrical parts for the outdoor PCB inverter (DB92-04027B), including part codes and descriptions.
Wiring Diagram
7-1 Indoor Unit
Wiring diagram for the indoor unit, illustrating connections between components like PCBs, fan, and sensors.
7-2 Outdoor Unit
Wiring diagrams for outdoor units, showing connections for inverter PCB, main PCB, and various sensors.
PCB Diagram
8-1 Indoor Main PCB CODE DB92-03467G
Diagram of the indoor main PCB (DB92-03467G), labeling connectors and pin functions.
8-2 Outdoor Main PCB CODE DB92-04029D
Visual layout of the outdoor main PCB (DB92-04029D) with labeled connectors and their pin assignments.
8-3 Outdoor PCB Inverter CODE DB92-04025C
Diagram of the outdoor PCB inverter (DB92-04025C), showing connector labels and their respective functions.
8-4 Outdoor PCB Inverter CODE DB92-04027B
Explains the outdoor PCB inverter (DB92-04027B) with labeled connectors and functions.
8-5 SUB PCB-RECEIVE-DB92-02874A
Diagram of the sub PCB (DB92-02874A) for receiver, showing connector CN01 and its pin functions.
Operating Instructions
9-1 Name of Each Part
Identifies and illustrates the main parts and display indicators of the indoor unit.
9-2 Wireless Remote control-Buttons and Display
Explains the buttons and display elements of the wireless remote control for operating the air conditioner.
Troubleshooting
10-1 Items to be checked first
Initial checks for common issues, including voltage, cable connections, and operational symptoms.
10-2 Communication Error
Troubleshooting steps for communication errors between indoor and outdoor units based on LED indicators.
10-2-2 Indoor temperature sensor Error
Diagnosing and resolving indoor temperature sensor errors by checking resistance and voltage.
10-2-3 Indoor fan motor speed detecting error (BLDC fan)
Troubleshooting indoor fan motor errors, checking fan rotation, voltage, and PBA.
10-2-4 Outdoor temperature sensor error
Steps to diagnose outdoor temperature sensor errors by checking connections, resistance, and voltage.
10-2-5 Outdoor Cond temperature sensor error
Troubleshooting procedures for outdoor condenser temperature sensor errors, including resistance and voltage checks.
10-2-6 Outdoor Discharge temperature sensor error
Diagnosing outdoor discharge temperature sensor errors through resistance and voltage checks.
10-2-7 Operation condition secession error
Troubleshooting operation condition errors related to high/low temperatures affecting compressor or fan operation.
10-2-8 EEPROM error / OTP error
Steps to resolve EEPROM or OTP errors, involving data download and PBA replacement.
10-2-9 Outdoor Fan motor error
Troubleshooting steps for outdoor fan motor errors, checking power, connections, and PBA.
10-2-10 Compressor starting error
Diagnosing compressor starting errors by checking cable connections, EEPROM data, and insulation resistance.
10-2-11 Compressor wire missing error/rotation error
Troubleshooting compressor wire issues, including connection, rotation, and insulation resistance checks.
10-2-12 Current sensor error/Input current sensor error
Resolving current sensor errors by checking PFC and IPM shunt resistance values.
10-2-13 O.C(Over Current) error
Troubleshooting over current errors by checking IPM shunt resistance and temperature conditions.
10-2-14 No power outdoor (Initial Diagnosis) (Not displayed)
Diagnosing no power issues in the outdoor unit by checking power supply, wiring, and PBA.
10-2-15 When the Up/Down, Left/Right, Grill louver motor does not operate (initial Diagnosis) (Not displayed)
Troubleshooting louver motor operation issues by checking power, connections, and voltage.
10-2-16 When the remote control is not receiving
Steps to resolve remote control reception problems, including checking connectors, batteries, and display PBA.
10-2-17 Smart Install error
Troubleshooting smart install errors, focusing on leakage detection, pressure checks, and refrigerant handling.
10-2-18 Outdoor OLP over temperature error (One way Inverter Only)
Diagnosing outdoor OLP over-temperature errors by checking sensor position, service valve, and compressor.
Block Diagram
11-1 Indoor unit
Block diagram illustrating the internal components and signal flow of the indoor unit.
11-2 Outdoor unit
Block diagram showing the electrical connections and signal paths within the outdoor unit.
Reference Sheet
12-1 Low Refrigerant Pressure Distribution
Chart showing refrigerant pressure distribution based on indoor and outdoor temperature variations.
12-2 Pressure & Capacity mark
Table relating power/heat values to various units like kcal/h, Btu/h, HP, and kg.m/s.
12-3 Q & A for Non-trouble
Frequently asked questions and answers addressing common issues like weak cooling, leaks, smells, and operation failures.
12-4 Cleaning /Filter Change
Instructions for running auto clean and cleaning the air filter and unit exterior, with safety precautions.
12-5 Installation
Guidelines for installing the air conditioner, covering location, wall drilling, pipe spooling, leak testing, and electrical work.
12-6 Installation Diagram of Indoor Unit and Outdoor Unit
Visual guide for air-purging procedures during installation, showing pipe connections and vacuum pump usage.
12-7. Reference Sheet
Index for model names, breaking down model codes into project, capacity, feature, series, color, and export parameters.
Maintenance Procedures
Performing the gas leak tests for repair
Procedures for performing gas leak tests on the refrigerant circuit, emphasizing safety and proper handling.
Decommissioning
Requirements for decommissioning the air conditioner, including refrigerant recovery and safety checks.
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