Samsung AR07TXFYAWKNEU User manual

1. Precautions
2. Product Specications
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
AIR CONDITIONER CONTENTS
SPLIT-TYPE AIR CONDITIONER
OUTDOOR UNIT
MODEL CODE
INDOOR UNIT
AR07TXFYAWKNEU
AR07TXHZAWKNEU
AR09TXFYAWKNEU
AR12TXFYAWKNEU
AR09TXHZAWKNEU
AR12TXHZAWKNEU
AR18TXFYAWKNEU
AR18TXHZAWKNEU
AR24TXFYAWKNEU
AR24TXHZAWKNEU
AR09TXFYAWKXEU
AR12TXFYAWKXEU
AR09TXHZAWKXEU
AR12TXHZAWKXEU
AR18TXFYAWKXEU
AR18TXHZAWKXEU
AR24TXFYAWKXEU
AR24TXHZAWKXEU
AR**TXHZWKNEUAR**TXFYWKNEU
AR09TX**WKNEU
AR12TX**WKNEU
AR18TX**WKNEU
AR24TX**WKNEU

2
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
1-4 Others 5
2. Product Specications 6
2-1 The Feature of Product 6
2-2 Product Specifications 7
2-3 The comparative specifications of product 9
2-4 Accessory and option specifications 10
3. Alignment and Adjustments 11
3-1 Test mode 11
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 (N-V2MD) 29
4-2 Outdoor Unit (Q) 35
5. ASSY CONTROL 40
5-1 ASSY KIT CODE DB92-048545B,F 40
5-2 ASSY KIT CODE DB92-04842A 41
5-3 ASSY KIT CODE DB92-04843A 42
5-2 ASSY KIT CODE DB92-04849A 44
6. Wiring Diagram 46
6-1 Indoor unit 46
6-2 Outdoor unit 47
7. PCB Diagram 48
7-1 Indoor main PCB 48
7-2 Outdoor main PCB 49
7-3 DISPLAY PCB 51
7-4 Wire connecting the indoor unit terminal blocks 52

2 3
Contents
8. Operating Instructions 53
8-1 Name of Each Part 53
8-2 Wireless Remote Control-Buttons and Display 55
9. Troubleshootin 56
9-1 Items to be checked First 56
9-2 Communication Error 57
9-2-1 Communication Error 57
9-2-2 Indoor temperature sensor Error 58
9-2-3 Indoor fan motor speed detecting error (BLDC fan) 59
9-2-4 Outdoor temperature sensor error 60
9-2-5 Outdoor Cond temperature sensor error 61
9-2-6 Outdoor Discharge temperature sensor error 62
9-2-7 Operation condition secession error 63
9-2-8 EEPROM error/OTP error 64
9-2-9 Outdoor Fan motor error 65
9-2-10 Compressor starting error 66
9-2-11 Compressor wire missing error/rotation error 67
9-2-12 Current sensor error/Input current sensor error 68
9-2-13 O.C(Over Current) error 69
9-2-14 No power outdoor (Initial Diagnosis) (Not displayed) 71
9-2-15 When the Up/Down, Left/Right, Grill louver motor does not operate 72
9-2-16 When the remote control is not receiving 73
9-2-17 Smart Install error 74
9-2-18 Outdoor OLP over temperature error (One way Inverter Only) 75
10. Block Diagram 76
10-1 Indoor unit 76
10-2 Outdoor unit 77
11. Reference Sheet 80
11-1 Low Refrigerant Pressure Distribution 80
11-2 Pressure & Capacity mark 80
11-3 Q & A for Non-trouble 81
11-4 Cleaning /Filter Change 84
11-5 Installation 87
11-6 Installation Diagram of Indoor Unit and Outdoor Unit 88
11-7 Reference sheet 91

4
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 Powersupply 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)
1. Precautions

5
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.