Samsung AR07TXCAAWKNEU User manual

SERVICE MANUAL
SPLIT-TYPE AIR CONDITIONER
AIR CONDITIONER CONTENTS
AR07TXCAAWKNEU
AR09TXCAAWKNEU
AR12TXCAAWKNEU
AR07TXEAAWKNEU
AR09TXEAAWKNEU
AR12TXEAAWKNEU
AR18TXEAAWKNEU
AR24TXEAAWKNEU
AR07TXFCAWKNEU
AR09TXFCAWKNEU
AR12TXFCAWKNEU
AR18TXFCAWKNEU
AR24TXFCAWKNEU
-
AR09TXCAAWKXEU
AR12TXCAAWKXEU
-
AR09TXEAAWKXEU
AR12TXEAAWKXEU
AR18TXEAAWKXEU
AR24TXEAAWKXEU
-
AR09TXFCAWKXEU
AR12TXFCAWKXEU
AR18TXFCAWKXEU
AR24TXFCAWKXEU
1. Precautions
2.
3. Alignment and Adjustments
4. Disassembly and Reassembly
5. ASSY CONTROL
6. Wiring Diagram
7. PCB Diagram
8. Operating Instructions
9. Troubleshooting
10. Block Diagram
11. Reference Sheet
AR**T**AAWKN**
AR09TXF**WKX**
AR12TXF**WKX**
AR09TXH**WKX**
AR12TXH**WKX**
AR**T**CAWKN**
AR18TX***WKX**
AR24TX***WKX**
AR09TXC**WKX**
AR12TXC**WKX**
AR09TXE**WKX**
AR12TXE**WKX**

2SAMSUNG ELECTRONICS
Contents
1. Precautions 4
1-1 Installing the air conditioner 4
1-2 Power supply and circuit breaker 4
1-3 During operation 4
1-4 Disposing of the unit 5
1-5 Others 5
2. Product specification 6
2-1 The Feature of Product 6
2-2 Product Specifications 7
2-3 The Comparative Spe cations of Product 9
2-4 Accessory and Option Specifications 10
3. Alignment and Adjustments 11
3-1 Test Mode 12
3-2 Display Error and Check Method 13
3-3 Setting Option Setup Method 14
4. Disassembly and Reassembly 18
4-1. Indoor Unit 19
4-2. Outdoor Unit 29
5. ASSY CONTROL 46
5 -1 ASSY KIT CODE DB92-04845Q 46
5 -2 ASSY KIT CODE DB92-04842A 47
5 -3 ASSY KIT CODE DB92-04842J 49
5 -4 ASSY KIT CODE DB92-04843A 51
5 -5 ASSY KIT CODE DB92-04849A 53
6. Wiring Diagram 55
6-1 Indoor Unit 55
6-1 Outdoor Unit 56
7. PCB Diagram 57
7-1 Indoor Main PCB-DB92-04839A 57
7-2 Outdoor PCB-DB92-04837A 58
7-3 Outdoor PCB-DB92-04838A 60
7-4 Outdoor PCB-DB92-04837D 61
7-5 DISPLAY PCB-DB92-04833B 63
7-6 Wire connecting the indoor unit terminal blocks 64

3
SAMSUNG ELECTRONICS
8. Operating Instructions 65
8-1 Name of Each Part 65
8-2 Wireless Remote Control-Buttons and Display 66
9. Troubleshooting 67
9-1 Items to be checked First 67
9-2 Communication Error 68
10. Block Diagram 86
10-1 Indoor unit 86
10-2 Outdoor unit 87
11. Reference Sheet 90
11-1 Low Refrigerant Pressure Distribution 90
11-2 Pressure & Capacity mark 90
11-3 Q & A for Non-trouble 91
11-4 Cleaning /Filter Change 94
11-5 Installation 99
11-6 Installation Diagram of Indoor Unit and Outdoor Unit 100
11-7 Reference sheet 103

4SAMSUNG ELECTRONICS
1. Precautions
1-1 Installing the air conditioner
•Uses should not install the air conditioner by themselves. Ask the dealer or authorized company to
install the air conditioner except window-type air conditioner in U.S.A and Canada.
•If you don't install the air conditioner properly, it may cause a fire, a water leakage or an electric
shock.
•You must install the air conditioner according to the national wiring regulations and safety regulations.
•Install the indoor unit higher than 2.5m from the floor to avoid the injury caused by the operation of
the fan.(except the window-type air conditioner)
•The manufacturer is not responsible for any accidents or injury caused by an incorrect installation.
•When installing the built-in type air conditioner, keep all electric cables such as the power cable and
the connection cord in
•pipes, ducts, or cable channels to protect them from the danger of impact or any other incidents.
1-2 Power supply and circuit breaker
•If the power cord of the air conditioner is damaged, it must be replaced by the manufacturer or a
qualified person in order to avoid a hazard.
•The air conditioner must be plugged into an independent circuit if applicable or connect the power
cable to the auxiliary circuit breaker. An all pole disconnection form the power supply must be
incorporated in the fixed wiring with a contact opening of>3mm.
•Do not extend an electric cord to the air conditioner.
•The air conditioner must be plugged in after you complete the installation.
1-3 During operation
•Do not repair the air conditioner at your discretion. It is recommended to contact a service center
directly.
•Never spill any kind of liquid on the air conditioner. If this happens, turn off the air conditioner and
contact an authorized service center.
•Do not insert anything between the airflow blades to prevent damage of the inner fan and consequent
injury. Keep children away from the air conditioner.
•Do not place any obstacles in front of the air conditioner.
•Do not spray any kind of liquid into the indoor unit. If this happens, turn off the air conditioner and
contact a service center.
•Make sure that the air conditioner is well ventilated at all times. Do not place a cloth or other materials
over it.
•Remove the batteries if you don't use the remote control for a long time. (If applicable)
•Use the remote control within 7 meters from the indoor unit. (If applicable)

5
SAMSUNG ELECTRONICS
1-4 Disposing of the unit
•Before the throwing out the air conditioner, remove the batteries from the remote control.
•When you dispose of the air conditioner, consult your dealer. If pipes are removed incorrectly,
refrigerant may blow out and cause air pollution. When it contacts with your skin, it can cause skin
injury.
•The package of the air conditioner should be recycled or disposed of properly for environmental
reasons.
1-5 Others
•Never store or load the air conditioner upside down or sideways to prevent the damage to the
compressor.
•Young children or infirm persons should be always supervised when they use the air conditioner.
•Max current is measured according to IEC standard for safety.
•Current is measured according to ISO standard for energy efficiency.