Samsung AR TXHZ Series Installation Manual
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Air conditioner

Installation manual

AR**TXFY*** / AR**TXHZ***
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this installation manual carefully and retain it for
future reference.

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Summary of Contents for Samsung AR TXHZ Series

  • Page 1: Air Conditioner

    Air conditioner Installation manual AR**TXFY*** / AR**TXHZ*** • Thank you for purchasing this Samsung air conditioner. • Before operating this unit, please read this installation manual carefully and retain it for future reference.
  • Page 2: Table Of Contents

    Step 4-6 Preparing the system for commissioning Step 4-7 Commissioning the unit Step 4-8 Performing final checks and trial operation Maintenance Procedures Sub PCB installation(optional) 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 2 English...
  • Page 3: Safety Information

    • Do not use means to accelerate the defrost operation or WARNING to clean, other than those recommended by Samsung. Hazards or unsafe practices that may result in severe personal • Do not pierce or burn. injury or death.
  • Page 4: Installation

    Safety Information Safety Information ‐ Area that can cause leakage of combustible gas • Use clean parts such as manifold gauge, vacuum pump, and suspension of carbon fibers, flammable dust, or and charging hose for the refrigerant. volatile flammables. • Installation must be carried out by qualified personnel ‐...
  • Page 5 Servicing shall be performed following the controlled • Replace components only with parts specified by procedure to minimize the risk of flammable Samsung. Other parts may result in the ignition of refrigerant or gases. refrigerant in the atmosphere from a leak. •...
  • Page 6 Safety Information • Make sure that the labels are affixed on the system to • Never install a motor-driven equipment to prevent notify it contains flammable refrigerant. ignition. Recovery Power supply line, fuse, or circuit breaker • When removing refrigerant from the system for •...
  • Page 7: Preparation

    Preparation Step 1-1 Viewing the typical installation A typical installation will be similar to the one shown below. Evaporator/ fancoil (indoor) Maximum pipe height Refrigerant lines, electric, and drain Make at least one round to reduce noise and vibration. Maximum pipe length Compressor/ condenser (outdoor)
  • Page 8: Step 1-2 Choosing The Installation Location

    Preparation Step 1-2 Choosing the installation Indoor unit location requirements location WARNING If using a multi system, install as described in the • Do not install the unit in a humid, oily, or dusty location installation manual supplied with the outdoor unit. or in a location exposed to direct sunlight, water, or rain.
  • Page 9 If the product installed within 500m of seashore, special Installation on an exterior wall anti-corrosion treatment is required. ※ Please contact your local SAMSUNG representative for If the outdoor unit must be installed on an exterior wall, you further details.
  • Page 10 Preparation Examples for installing one outdoor unit: Outdoor unit Outdoor Unit: mm Sea breeze unit Outdoor unit Sea breeze 2000 Outdoor Protection wall unit Sea breeze Outdoor unit • Protection wall should be constructed with a solid material that can block the sea breeze and the height and width of the wall should be 1.5 times larger than the size of the outdoor unit.
  • Page 11: Step 1-3 Unpacking

    Upon receipt, inspect the product to verify that it has not been Unit: mm damaged during transport. If the product appears damaged, do not install it and immediately report the damage to your local Samsung distributor. Packing material must be disposed of in accordance with local regulations. 1500...
  • Page 12: Step 1-4 Preparing Materials And Tools

    Preparation Step 1-4 Preparing materials and tools If using a multi system, refer to the manual supplied with the outdoor unit. Materials in the indoor unit package Optional accessories Make sure that the indoor unit package contains the following Insulated assembly pipe, materials: Ø...
  • Page 13 Materials supplied by the installer Tools Make sure you have all other materials required for the Make sure you have the required tools available. selected installation method and location. General tools IMPORTANT • Vacuum pump • No mounting hardware, tubing, cables, and other (Backward flowing prevention) materials listed below are included with the appliance.
  • Page 14: Indoor Unit Installation

    Indoor Unit Installation Step 2-1 Attaching the mounting Step 2-2 Drilling the wall penetration bracket to the wall Determine the position of the hole through which the piping bundle (consisting of power and communication Hold the mounting bracket against the wall at the cables, refrigerant pipes, and the drain hose) will pass.
  • Page 15: Step 2-3 Connecting The Refrigerant Pipes

    Use a standard 65 mm hole saw to drill one hole at the Two short refrigerant pipes are already attached to the air selected location, at a 15° downward angle so that the conditioner: drain hose will drain properly. • The smaller-diameter pipe is for the high-pressure, two-phase refrigerant.
  • Page 16: Step 2-4 Connecting The Power And Communication Cables

    Indoor Unit Installation Step 2-4 Connecting the power and Slowly remove the protective caps on the refrigerant pipe connections to relieve the nitrogen holding charge. communication cables Connect the line set to each pipe. If using a multi system, install as described in the Flare nut installation manual supplied with the outdoor unit.
  • Page 17: Step 2-5 Optional: Extending The Power Cable

    Step 2-5 Optional: Extending the power CAUTION cable • Connect the wires firmly so that wires cannot be pulled out. Loose wires can cause the connection to overheat. Prepare the following tools. Each circular terminal must match the size of its Tools Spec Shape...
  • Page 18 Indoor Unit Installation Insert both sides of core wire of the power cable into the Apply heat to the contraction tube to contract it. connection sleeve. Method 1 Method 2 • Method 1: Push the core wire into the sleeve from both sides.
  • Page 19: Step 2-6 Connecting The Drain Hose

    Step 2-6 Connecting the drain hose CAUTION • If the diameter of the connection hose is smaller than In Step 2-2, step 3 you determined the exit position for the the product’s drain hose, leakage may occur. piping bundle. If using the right, bottom, or right rear exit, change the drain hose connection from the right to the left so that the drain hose will lie along the inside of the Drain hose (A)
  • Page 20: Step 2-7 Taping The Pipes, Cables, And Drain Hose

    Indoor Unit Installation Step 2-7 Taping the pipes, cables, and drain hose Wrap foam insulation around the refrigerant pipes, up to the connection points. The connections must remain accessible for testing later in the installation process. Either leave slits in the insulation or do not cover the connections.
  • Page 21: Outdoor Unit Installation

    Outdoor Unit Installation Level the unit, then use anchor bolts to secure it at the If using a multi system, install as described in the four mounting points. installation manual supplied with the outdoor unit. For installations in locations that require seismic or hurricane tie downs, comply with local codes.
  • Page 22: Step 3-2 Connecting The Cables And The Pipes

    Outdoor Unit Installation Step 3-2 Connecting the cables and the CAUTION pipes • Keep the piping length at a minimum to minimize the additional refrigerant charge due to piping extension. Route the piping bundle to the outdoor unit. (Maximum allowable piping length: 15 m) Use piping clamps to fasten the piping bundle to the •...
  • Page 23 Connect the pipes to the service valve with the flare nuts. Hand-tighten the nuts to prevent stripping. Torque the flare connections to the values in Step 2-3, step 7 on page 16. 10 Connect the power cables and secure with a cable clamp. Outdoor-to-indoor power cable Power cable Communication cable...
  • Page 24: Installation Inspection And Testing

    Installation Inspection and Testing Step 4-1 Performing a drain leak test Step 4-2 Performing the gas leak tests Pour water into the drain pan. Before inspecting the leakage, use a torque wrench to close the cap for the stop valve. (Comply with a tightening torque for each size of the diameter, and tighten the cap firmly to prevent any leakage.) Tightening torque for body cap (Refer to the table)
  • Page 25: Step 4-3 Evacuating The System

    Step 4-3 Evacuating the system 12 Reconnect the common hose to the vacuum pump. Repeat steps 6 through 12, alternating between breaking the vacuum with dry nitrogen and evacuating, until CAUTION system evacuation has occurred three times, to the following vacuum levels: •...
  • Page 26: Step 4-4 Adding Refrigerant (If Needed)

    Installation Inspection and Testing Step 4-4 Adding refrigerant (if needed) Step 4-5 Important information: regulation regarding the refrigerant used The outdoor unit is charged with sufficient R-32 refrigerant to support up to a 5 m line set. For lengths greater than 5 m, This product contains fluorinated greenhouse gases.
  • Page 27: Step 4-6 Preparing The System For Commissioning

    Step 4-7 Commissioning the unit NOTE Factory refrigerant charge of the product: see unit The unit is commissioned using the Smart Install feature. name plate Smart Install can be started only with the remote control. Additional refrigerant amount charged in the field While Smart Install is running, you cannot operate the remote (Refer to the above information for the quantity of control.
  • Page 28: Step 4-8 Performing Final Checks And Trial Operation

    Tightness of pipe connection to detect gas leak ‐ Electric wiring connection WARNING ‐ Heat-resistant insulation of the pipe Stop the unit, disconnect the power, and contact Samsung ‐ Drainage technical support if any of the following occurs: ‐ Grounding conductor connection •...
  • Page 29 CAUTION Press the (Mode) button to select Cool or Heat mode. Then take the following sub-steps: • Compressor damage may occur if the compressor is run ‐ In Cool mode, use the Temperature button to set at a negative suction pressure. the set temperature to 16 °C.
  • Page 30: Maintenance Procedures

    Maintenance Procedures Performing the gas leak tests for repair Isolate the system electrically. Before starting the process, make sure that: In case of repair of the refrigerant circuit, the following • Any mechanical equipment is available for handling procedure must be kept to consider flammability. refrigerant cylinders.
  • Page 31: Sub Pcb Installation(Optional)

    Sub PCB installation(optional) (Wired remote controller, central remote controller etc.) Find the PCB wire, and connect the wire to the Sub PCB as seen in the picture. Turn the power off and take off the cover panel of the indoor unit. Connect the wire(remote controller, central remote controller etc) to the Sub PCB.

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