Samsung AM018KNQDCH/AZ User Manual

SYSTEM AIRCONDITIONER CONTENTS
SYSTEM AIRCONDITIONER
INDOOR UNIT
AM007/009/012FN1DCH/AA
AM009/012/018/020FNNDCH/AA
AM009/012/018/024/030/036/048FN4DCH/AA
AM007/009/012FNLDCH/AA
AM018/024FNLDCH/AA
AM030/036/048FNLDCH/AA
AM018/024FNMDCH/AA
AM030/036FNMDCH/AA
AM048FNMDCH/AA
AM007/009/012/018/020/024FNTDCH/AA
AM007/009/012/018/020/024HNQDCH/AA
AM036/048FNHDCH/AA
AM076/096FNHDCH/AA
AM018/024FNCDCH/AA
AM048/096HNPDCH/AZ
AM007/009/012/015/018JNMDCH/AA
AM024/027/030/036/048JNHDCH/AA
AM036/048JNCDCH/AA
AM006/009/012/018/024JNFDCH/AA
AM006/009/012/018/024JNGDCH/AA
AM072/096JNESCH/AA
AM054KNMDCH/AZ
AM007/009/012/018/020/024KNQDCH/AZ
AM007/009/012/018/020/024KNTDCH/AZ
AM005/007/009/012/015/018/024/028MNVDCH/AA
AM007/009/012NN1DCH/AA
AM009/012/018/024/030/036/048KN4DCH/AA
AM007MNMDCH/AA
AM009MNMDCH/AA
AM012MNMDCH/AA
AM015MNMDCH/AA
AM018MNMDCH/AA
AM024MNMDCH/AA
AM027MNMDCH/AA
AM030MNMDCH/AA
AM036MNMDCH/AA
AM048MNMDCH/AA
AM032MNQDCH/AA
AM007NN1DCH/AZ
AM009NN1DCH/AZ
AM012NN1DCH/AZ
AM018NN1DCH/AZ
AM024NN1DCH/AZ
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Reference Sheet

Samsung AM018KNQDCH/AZ Specifications

General

Cooling Capacity	18000 BTU/h
Outdoor Unit Noise Level	52 dB(A)
Power Supply	60Hz, 1 Phase
Refrigerant	R410A
Voltage	208-230V

Summary

Precautions

Precautions for the Service

Guidelines for servicing air conditioner units, including part usage and connection checks.

Precautions for Static Electricity and PL

Handling precautions for PCB repair and measurement to prevent static electricity damage.

Precautions for Safety

Safety measures for handling electrical components and avoiding hazards like shock or fire.

Precautions for Handling Refrigerant for Air Conditioner

Safety and environmental considerations when handling refrigerant, including gas release and container handling.

Disassembly and Reassembly

Indoor Unit Disassembly

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

Troubleshooting

Check-up Window Description

Description of the check-up window functions and indicators on the outdoor unit PCB.

Service Operation

Special operations for service, including key input for mode entry and special operations.

Setting Option Setup Method

Lamp combination expression method display (cassette type indoor unit)

Explanation of LED lamp displays for error detection in cassette type indoor units.

Indoor Unit ROOM sensor Error (Open/Short)

Troubleshooting steps for indoor room temperature sensor errors.

Communication Error between Indoor and Outdoor Units during Tracking

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

MCU branch part setup error – inconsecutive connection with the use of 2 branch parts

Outdoor Temperature Sensor Error

Compressor Down due to High Pressure Protection Control

Refrigerant Leakage Error