Samsung AR07CSFCMWKN User Manual

AIR CONDITIONER CONTENTS
MULTI AIR CONDITIONER
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
INDOOR UNIT OUTDOOR UNIT
AR07/15CSDAFWKN
AR09/12/18/24CSDABWKN
AR07/09/12/15/18/24CSFCMWKN
AR07/09/12/15/18/24CSKCPWKN
AC009/012/018BNNDCH
AC009/012/018BNLDCH
AJ009/012/015/018BNHDCH
AC009/012BN1DCH
AC009/012/015/018BNJDCH
AC012/018/024BNZDCH
AJ020BXJ2CH
AJ024BXJ3CH
AJ036BXJ4CH
AJ048BXJ5CH
AJ020CXS3CH
AJ024CXS4CH
AJ030CXS4CH
AJ036CXS4CH

Samsung AR07CSFCMWKN Specifications

General

Cooling Capacity	7, 000 BTU/h
Refrigerant	R32
Power Supply	220-240V, 50Hz
Indoor Unit Weight	8.5 kg
Type	Split

Summary

1. Precautions

1-1 Precautions for the Service

Safety guidelines for service personnel performing maintenance or repairs on the unit.

1-2 Precautions for the Static Electricity and PL

2. Product Specifications

2-2 Product Specifications

Detailed technical specifications for indoor and outdoor units, including capacity, noise, and power.

2-2-1 Indoor Unit

Technical specifications for various indoor unit models, including performance and part details.

2-2-2 Outdoor Unit

Technical specifications for outdoor unit models, detailing performance, power, and component information.

2-4 Combination Table (Outdoor-Indoor)

3. Disassembly and Reassembly

3-1 Outdoor Unit

Step-by-step instructions for safely disassembling the outdoor unit for maintenance or repair.

3-1-1 AJ020BXJ3CH, AJ024BXJ4CH

3-1-2 AJ036BXJ4CH

3-1-3 AJ048BXJ5CH, AJ020CXS3CH, AJ024CXS4CH, AJ030CXS4CH, AJ036CXS4CH

4. Troubleshooting

4-1 Display and Check Method

Methods for diagnosing issues by checking LED lamp displays and abnormal conditions.

4-1-1 Indoor unit

4-1-2 Outdoor Unit

4-2 Setting an indoor unit address and installation option

Procedures for automatically and manually setting indoor unit addresses and installation options.

4-3 Setting Option

4-3-3 Setting an indoor unit address (MAIN/RMC)

Instructions for assigning indoor unit addresses for network communication and control.

4-3-4 Setting an indoor unit installation option

Guide to setting indoor unit installation options based on location and environmental conditions.

4-4 Items to be checked first

4-5 Setting to Cool or Heat only mode, checking and Cool/Heat modes operation test

Procedure for setting specific modes and testing cool/heat operations.

4-6 Fault Diagnosis by Symptom

Diagnostic procedures based on observed symptoms and error codes.

4-6-1 Indoor

Troubleshooting steps for common indoor unit faults like temperature sensor or fan errors.

4-6-1-2 Indoor FAN ERROR (BLDC MOTOR MODEL)

4-6-1-3 Communication error after finishing Tracking

4-6-1-4 Indoor FAN ERROR (BLDC MOTOR MODEL)

4-6-2 Outdoor unit is not powered on – Initial diagnosis

Initial diagnostic steps to determine why the outdoor unit is not receiving power.

4-6-3 Checking Outdoor Controller

4-6-4 Outdoor unit fan error

4-6-5 Compressor startup error, Compressor lock error, Compressor rotation error

Diagnostic steps for compressor startup, lock, and rotation errors, including resistance checks.

4-6-6 IPM Over current error

Troubleshooting guide for IPM over current errors, involving fan voltage and resistance checks.

4-6-7 Checking Temperature sensor

Procedure for checking temperature sensors, including resistance and voltage measurements.

4-6-7-2 Checking Pipe in/out and Cond and Ambient temperature sensor

Steps to check pipe, condenser, and ambient temperature sensors for proper function.

4-7 PCB Inspection

Cautions and procedures for inspecting and replacing printed circuit boards (PCBs).

4-7-1 Cautions for Part Replacement

4-7-2 Procedure

7. Preference Sheet

7-2 Connecting Up and Purging the Circuit

Procedure for connecting refrigerant lines and purging air from the system.

7-3 Refrigerant Refill

Procedure for refilling refrigerant into the air conditioner when leaks are detected.

7-4 Refrigerant Adjustment

7-6 "Pump down" Procedure

7-8 Refrigerating Cycle Diagram

7-11 Q & A for Non-trouble