Samsung AJ Series Installation Manual
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Samsung AJ Series Installation Manual

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Air conditioner
Installation manual
AJ***TXJ*KG
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this manual carefully and retain it for future
reference.

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Summary of Contents for Samsung AJ Series

  • Page 1 Air conditioner Installation manual AJ***TXJ*KG • Thank you for purchasing this Samsung air conditioner. • Before operating this unit, please read this manual carefully and retain it for future reference.

  • Page 2: Table Of Contents

    Step 16 Optional: Power improvement mode Extra procedures Pumping down refrigerant Relocating the indoor and outdoor units Using the stop valve Appendix Troubleshooting For information on Samsung’s environmental commitments and product-specific regulatory obligations, e.g. REACH, WEEE, Batteries, visit : samsung.com/uk/aboutsamsung/samsungelectronics/corporatecitizenship/data_corner.html English...

  • Page 3: Safety Information

    Incorrect installation, use, or maintenance of this appliance can result in death, serious injury, or property damage. Keep these instructions with this appliance. This manual is subject to change. For the latest version, visit www.samsung.com. Notices and notes To make you aware of safety messages and highlighted information, we use the following notices and notes throughout...
  • Page 4 • This manual explains how to install an indoor unit with or mental capabilities, or lack of experience and a split system with two SAMSUNG units. The use of knowledge, unless they have been given supervision other types of units with different control systems may or instruction concerning use of the appliance by a damage the units and invalidate the warranty.
  • Page 5 Installing the unit • When mechanical ventilation is required, ventilation openings shall be kept clear of obstruction. • For disposal of the product, follow the local laws and WARNING regulations. • Do not work in a confined place. IMPORTANT: When installing the unit, always remember to connect first the refrigerant tubes, then the electrical •...
  • Page 6 ‐ Do not remove the fuses with power on. • Replace components only with parts specified by ‐ Do not disconnect the power plug from the wall Samsung. Other parts may result in the ignition of outlet with power on. refrigerant in the atmosphere from a leak.
  • Page 7 Labelling • Oil shall be drained safely from the system. • Never install a motor-driven equipment to prevent ignition. • The parts shall be labelled to ensure that they have been decommissioned and emptied of refrigerant. • Empty recovery cylinders shall be evacuated and cooled before recovery.

  • Page 8: Installation Procedure

    Installation Procedure Power supply line, fuse or circuit breaker Step 1 Choosing the installation location WARNING Installation location requirements • Always make sure that the power supply is compliant • The outdoor unit shall be installed in an open space with current safety standards.
  • Page 9 Stereo Computer etc Outdoor Unit the outdoor unit for exhausted air to ventilate. 200 mm Air Guide Duct (This product is not provided by Samsung) Outdoor Unit • Install the unit at a height where its base can be firmly Protection wall Sea breeze fixed in place.
  • Page 10 Installation Procedure Minimum clearances for the outdoor unit When installing more than 1 outdoor unit (Unit: mm) When installing 1 outdoor unit 1500 3000 3000 (Unit: mm) or more or more or more or more or more or more or more 2000 or 300 or 600 or...

  • Page 11: Step 2 Checking And Preparing Accessories And Tools

    Step 2 Checking and preparing • If these accessories are supplied, they are in the accessory package or outdoor unit package. accessories and tools Step 3 Fixing the outdoor unit in place 3-wire 2-wire Power Cable (option) Assembly Cable (option) Install the outdoor unit on a rigid and stable base to prevent disturbance from any noise caused by vibration.

  • Page 12: Step 4 Connecting The Power Cables, Communication Cable, And Controllers

    Installation Procedure Step 4 Connecting the power cables, Optional: Fixing the outdoor unit to a wall with a rack communication cable, and controllers You must connect the following three electrical cables to Designed to cut off residual vibration from the outdoor unit: outdoor unit to rack.
  • Page 13 Conncting the cables to the outdoor unit AJ040/050TXJ2KG A-unit B-unit Indoor unit 1(L) 2(N) 1(L) 2(N) F1 F2 F1 F2 Assembly cable Earth Earth terminal terminal F1 F2 F1 F2 Earth Earth terminal terminal Main Power F1 F2 Supply cable Earth Power cable to indoor units Communication cable...
  • Page 14 Installation Procedure AJ080TXJ4KG A-unit B-unit C-unit D-unit Indoor unit 1(L) 2(N) F1 1(L) 2(N) F1 1(L) 2(N) F1 1(L) 2(N) F1 Assembly cable F1 F2 F1 F2 F1 F2 F1 F2 Earth Earth Earth Earth terminal terminal terminal terminal F1 F2 F1 F2 F1 F2 F1 F2...
  • Page 15 Tightening power terminal • Connect the cables to the terminal board using the compressed ring terminal. • Use rated cables only. • Connect the cables with driver and wrench that can apply the rated torque to the screws. • Make sure that appropriate tightening torque is applied for cable connection. If the terminal is loose, arc heat may occur and cause fire and if the terminal is connected too firmly, terminal may get damaged.
  • Page 16 Installation Procedure Outdoor-to-indoor power terminal specifications • Connect the cables to the terminal board using the compressed ring terminal. • Cover a solderless ring terminal and a connector part of the power cable and then connect it. Silver solder Norminal Norminal dimensions dimensions...

  • Page 17: Step 5 Optional: Extending The Power Cable

    Step 5 Optional: Extending the power Outdoor-to-indoor power and communication cables specifications cable 1 Prepare the following tools. Indoor power supply Power supply Max/Min (V) Indoor power cable Tools Spec Shape 1.5 mm² ↑ , 3 wires 1Φ, 220-240V, 50 Hz ±10% Crimping pliers MH-14...
  • Page 18 Installation Procedure 3 Insert both sides of core wire of the power cable into the 6 Apply heat to the contraction tube to contract it. connection sleeve. • Method 1: Push the core wire into the sleeve from Method 1 Method 2 both sides.

  • Page 19: Step 6 Connecting The Refrigerant Pipe

    Step 6 Connecting the refrigerant pipe ◆ AJ052/068TXJ3KG 1 Piping outside diameter ◆ AJ040/050TXJ2KG Outside Power diameter 1 Piping outside diameter Indoor unit Out unit supply Ø, V, Hz Liquid Gas Outside Power supply AR07/09/12********, diameter Indoor unit Out unit Ø, V, Hz AJ016/020/026 3/8"...
  • Page 20 Installation Procedure ◆ AJ080TXJ4KG • Because your air conditioner contains R-32 refrigerant, make sure that it is installed, operated, and stored it 1 Piping outside diameter in a room whose floor area is larger than the minimum Outside Power required floor area specified in the following table: diameter Indoor unit Out unit...

  • Page 21: Step 7 Optional: Cutting And Flaring The Pipes

    NOTE Outer diameter (D) Depth (A) Flare dimension (L) • The appearance of the unit may be different from the ø6.35 mm 14 to 18 8.7 to 9.1 mm diagram depending on the model. ø9.52 mm 34 to 42 12.8 to 13.2 mm •...

  • Page 22: Step 8 Connecting Up And Removing Air In The Circuit

    Installation Procedure • For installation with handling the R-32 refrigerant, 2 Connect the charging hose of low pressure side of use the special tools for the R32 refrigerant (manifold manifold gauge to the packed valve having a service gauge, vacuum pump, charging hose, etc.). port .

  • Page 23: Step 9 Performing The Gas Leak Test

    Step 9 Performing the gas leak test 3 Open the valve of the low pressure side of manifold gauge counter clockwise. 4 Purge the air from the system using vacuum pump for Before completing the installation (insulation of the about 30 minutes. cables, hose and piping and fixing of the indoor unit to the •...

  • Page 24: Step 10 Adding Refrigerant (R-32)

    Installation Procedure Step 10 Adding refrigerant (R-32) Please fill in the following with indelible ink on the refrigerant charge label supplied with this product and on this manual. Precautions on adding the R-32 refrigerant • : The factory refrigerant charge of the product. In addition to the conventional charging procedure,.

  • Page 25: Step 11 Connecting The Drain Hose To The Outdoor Unit

    Step 11 Connecting the drain hose to Calculating the quantity of refrigerant to add the outdoor unit The quantity of additional refrigerant is variable according When heating, ice may accumulate. During the process of to the installation situation. Thus, make sure the outdoor defrosting, check if condensation draining is adequate.

  • Page 26: Step 12 Checking The Earthing

    Installation Procedure Step 12 Checking the earthing 6 Connect the earthing wire to the electrical component box inside of the outdoor unit. If the power distribution circuit does not have a earthing or the earthing does not comply with specifications, an earthing electrode must be installed.

  • Page 27: Step 13 Setting An Indoor Unit Address And Installation Option

    Step 13 Setting an indoor unit address and installation option Setting the indoor unit addresses manually 1 Review all the following elements in the installation: • Installation site strength • Piping connection tightness to detect any gas leakage • Connection wiring •...
  • Page 28 Installation Procedure Setting the outdoor option CAUTION • Press and hold K2 to enter the option setting. • Edited option will not be saved if you do not end the (Only available when the operation is stopped) option setting as explained in above instruction. –...
  • Page 29 Setting Option <AR*****AA**> <AR*****CA**> Entering mode for setting option Option setting mode Mode button  High Temp button  Fast button  Low Temp button  Wind-Free button  <AR*****YA**> <AR*****ZA**>  Mode button Fast button High Temp button  ...
  • Page 30 Installation Procedure Setting Option 1 Remove batteries from the remote controller 2 Insert batteries and enter the option setting mode while pressing  button and  button. 3 Each time you press  button, 7-seg on left side is increased by “1” and each time you press  button, 7-seg on right side is increased by “1”...
  • Page 31 Operation Indication Step 4 Press  button to be changed to DRY mode in the ON status. 1 Press  button to enter SEG6. 2 Press  button to enter SEG8. Step 5 Press  button to be changed to FAN mode in the ON status. 1 Press ...
  • Page 32 Installation Procedure Setting the indoor unit addresses automatically 4 " " appears on the display of the outdoor unit. 4. 20 seconds after the display of " " (that NOTE confirms the correct execution of the procedure), the following codes (if four internal units are connected) •...
  • Page 33 Setting an indoor unit address (MAIN/RMC) 1 Check whether power is supplied or not. Indoor Unit ‐ When the indoor unit is not plugged in, there 1(L) should be additional power supply in the 2(N) indoor unit. 2 The panel(display ) should be connected to an indoor unit to receive option. 3 Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan.
  • Page 34 Installation Procedure Setting an indoor unit installation option (suitable for the condition of each installation location) 1 Check whether power is supplied or not. Indoor Unit ‐ When the indoor unit is not plugged in, there 1(L) should be additional power supply in the 2(N) indoor unit.

  • Page 35: Step 14 Cool And Heat Modes Operation Test

    Step 14 Cool and Heat modes Step 15 Optional: Setting to Cool or operation test Heat only mode After installing the outdoor and indoor units, test the Cool This function enables the indoor units connected to the and Heat modes. outdoor unit to operate in a specific mode.

  • Page 36: Step 16 Optional: Power Improvement Mode

    Installation Procedure Step 16 Optional: Power improvement mode The power improvement mode has the following power reduction effects. • Reduced power at Thermo off ‐ When the air conditioner operates in Cool, Dry and Auto mode, if Thermo off is reached during cooling, the fan and display of the indoor unit are turned off after 5 minutes.

  • Page 37: Extra Procedures

    Extra Procedures Pumping down refrigerant Relocating the indoor and outdoor units WARNING 1 Pump down refrigerant. See Pumping down refrigerant on page 38. • After installing the product, be sure to perform leak 2 Remove the power cord. tests on the piping connections. After pumping down 3 Disconnect the assembly cable from the indoor and refrigerant to inspect or relocate the outdoor unit, outdoor units.

  • Page 38: Using The Stop Valve

    Extra Procedures Using the stop valve Closing the stop valve 1 Remove the cap. Opening the stop valve 2 Turn the stop valve clockwise by using a hexagonal wrench. 1 Open the cap and turn the stop valve anticlockwise by 3 Tighten the axis until the valve reached the sealing using a hexagonal wrench.

  • Page 39: Appendix

    Appendix Troubleshooting The table below list the self-diagnostic routines. For some of PCB MAIN - OUT error, you must contact an authorized service center. If an error occurs during the operation, it is displayed on the outdoor unit PCB MAIN-OUT. 88 SEG DISPLAY Error Code Explanation...
  • Page 40 Appendix Error Code Explanation Remark E422 HIGH PRESSURE BLOCKAGE CONTROL E440 HEATING MODE RESTRICTION DUE TO HIGH AIR TEMPERATURE E441 COOLING MODE RESTRICTION DUE TO LOW AIR TEMPERATURE E458 FAN MOTOR ERROR E461 OPERATION FAILURE OF COMPRESSOR E462 COMPRESSOR OPERATION STOP DUE TO FULL LOAD CURRENT CONTROL E463 COMPRESSOR OPERATION STOP DUE TO OLP TEMPERATURE CONTROL E464...
  • Page 42 Suzhou SAMSUNG ELECTRONICS CO., LTD. 501, Suhong East Road Suzhou City, Jiangsu, China Suzhou SAMSUNG ELECTRONICS CO., LTD. Export. 218, Jiepu Road, Industry Park, Suzhou, Jiangsu ,China Samsung Electronics Service Department PO Box 12987, Blackrock, Co Dublin Ireland Blackbushe Business Park, Yateley, GU46 6GG UK...

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