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Air conditioner

Installation manual

AR**MXWS*** / AR**MXPD***/ AR**NXPX*** /
AR**NXWX*** / AR**NXCX***
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this user manual carefully and retain it for future
reference.

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Table of Contents
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Summary of Contents for Samsung AR**MXWS Series

  • Page 1: Air Conditioner

    Air conditioner Installation manual AR**MXWS*** / AR**MXPD***/ AR**NXPX*** / AR**NXWX*** / AR**NXCX*** • Thank you for purchasing this Samsung air conditioner. • Before operating this unit, please read this user manual carefully and retain it for future reference.
  • Page 2: Table Of Contents

    Step 4.2 Running the Smart Install mode Step 4.3 Performing final check and trial operation Maintenane 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: Installation

    • This manual explains how to install an indoor unit • Do not pierce or burn. with a split system with two SAMSUNG units. The • Be aware that refrigerants may not contain an use of other types of units with different control odour.
  • Page 4 • Do not use the air conditioner in environments with – Install the outdoor unit in a place (such as hazardous substances or close to equipment that near buildings etc.) where it can be protected release free flames to avoid the occurrence of fires, from sea breeze.
  • Page 5: Installation Of The Outdoor Unit

    • Table 1 (defined according to EN378-1:2017) • The following checks shall be performed for installation: [Unit : m – The charging amount depends on the room Charge size. amount (kg) – The ventilation devices and outlets are operating normally and are not obstructed. Installation height (m) –...
  • Page 6 Other parts may to notify it contains flammable refrigerant. result in ignition due to leakage. • Replace components only with parts specified by Samsung. Other parts may result in the ignition of refrigerant in the atmosphere from a leak. 6 English...
  • Page 7 Recovery Power supply line, fuse, or circuit breaker • When removing refrigerant from the system for servicing or decommissioning, it is recommended to • Always make sure that the power supply is remove the entire refrigerant. compliant with current safety standards. Always install the air conditioner in compliance with • When transferring refrigerant into cylinders, make current local safety standards.
  • Page 8: Preparation

    Preparation Step 1.1 Choosing the installation CAUTION location • Comply with the length and height limits described in the figure above. If using a multi system, install as described in the • For the product that uses the R-32 refrigerant, Install the indoor unit on the wall 1.8 m or higher installation manual supplied with the outdoor from the floor.
  • Page 9: Step 1.2 Checking And Preparing Accessories And Tools

    Step 1.2 Checking and preparing When installing more than 1 outdoor unit (5 cases) accessories and tools (Unit: mm) Accessories Accessories in the indoor unit package 1500 3000 3000 Installation plate (1) **07******* Remote control (1) **09******* **12******* User Manual (1) Remote control battery (2) AR**MX***** AR**NX*****...
  • Page 10 Accessories in the outdoor unit package If using a multi system, refer to the manual supplied with the outdoor unit. Rubber leg (4) Optional accessories Insulated assembly pipe, Ø 9.52 mm (1) Insulated assembly pipe, Ø 6.35 mm (1) **09******* **12******* NOTE • A flare nut is attached to the end of each pipe...
  • Page 11: Step 1.3 Drilling A Hole Through The Wall

    Step 1.3 Drilling a hole through the 2 Drill the hole. wall CAUTION Before fixing the installation plate to a wall and then fixing the indoor unit to the installation plate, • Be sure to drill only one hole. a window frame, or a gypsum board, you must • Make sure that the hole slants downwards so that determine the position of a hole (with 65 mm inner the drain hose slants downwards to drain water...
  • Page 12: Indoor Unit Installation

    Indoor Unit Installation Please scan this QR code for detail video of indoor unit installation. Step 2.1 Disassembling the cover panel 1 Remove the cap screws, then the screws. Cap screw Screw Step 2.2 Disassembling the installation plate Phillips screwdriver Flat-head screwdriver 2 Unlock the side hooks ( , ), then centre hooks ( ).
  • Page 13: Step 2.3 Connecting The Power And Communication Cables (Assembly Cable)

    Step 2.3 Connecting the Power and electrical installations' and the 'wiring regulations' in the local regulations. communication cables (assembly cable) • Tighten the terminal block screw to 1.2-1.8 N•m (1.2-1.8 kgf•cm). If using a multi system, install as described in the NOTE installation manual supplied with the outdoor unit. • Each wire is labelled with the corresponding terminal number.
  • Page 14: Step 2.4 Optional: Extending The Power Cable

    WARNING Method 1 Method 2 • Connect the wires firmly so that wires cannot be pulled out easily. (If they are loose, it could cause burn-out of the wires.) Connection sleeve Connection sleeve 4 Using a crimping tool, compress the two points and Step 2.4 Optional: Extending the flip it over and compress another two points in the power cable...
  • Page 15: Step 2.5 Installing And Connecting The Drain Hose

    CAUTION • Make sure that the connection parts are not exposed to outside. • Be sure to use insulation tape and a contraction tube made of approved reinforced insulating materials that have the same level of withstand voltage with the power cable. (Comply with the local regulations on extensions.) WARNING CAUTION...
  • Page 16: Step 2.6 Optional: Extending The Drain Hose

    Step 2.6 Optional: Extending the Step 2.7 Optional: Changing the drain hose direction of the drain hose Drain hose (A) Extension drain hose (B) Drain pan outlet Rubber cap Pour water in the direction of arrow. Drain hose Extension drain hose <Front view>...
  • Page 17 Step 2.8 Installing and connecting 3 Remove the protection caps of the pipes and connect the assembly pipe to each pipe. Tighten the assembly pipes to the refrigerant the nuts first with your hands, and then with a pipes (assembly pipe) torque wrench, applying the following torque: Connect indoor and outdoor units with field-supplied Outer diameter (mm) Torque (N•m)
  • Page 18: Step 2.9 Shortening Or Extending The Refrigerant Pipes (Assembly Pipe)

    Step 2.9 Shortening or extending the CAUTION refrigerant pipes (assembly pipe) • Keep the piping length at a minimum to minimize the additional refrigerant charge due to piping extension. (Maximum allowable piping length: Pipe cutter 15 m) • When connecting the pipes, make sure that surrounding objects do not interfere with or contact them to prevent refrigerant leakage due to physical damage.
  • Page 19: Step 2.10 Fixing The Installation Plate

    Step 2.10 Fixing the installation plate You can install the indoor unit on a wall, window frame, or gypsum board. Liquid service port Gas service port WARNING <High pressure> <Low pressure> • Make sure that the wall, window frame, or gypsum board can withstand the weight of the indoor unit.
  • Page 20: Step 2.11 Fixing The Indoor Unit To The Installation Plate

    When fixing the indoor unit on a gypsum board 1 Use stud finder to find out locations of the studs. 2 Fix the plate hanger on two studs. CAUTION • If you fix the indoor unit on a gypsum board, use only specified anchor bolts on reference positions.
  • Page 21: Outdoor Unit Installation

    Outdoor Unit Installation Optional: Fixing the outdoor unit to a wall with a If using a multi system, install as described in the rack installation manual supplied with the outdoor unit. Step 3.1 Fixing the outdoor unit in Soft rubber designed to cut off vibration from rack to wall (not supplied with product) place Rubber leg...
  • Page 22: Step 3.3 Evacuating The Air

    CAUTION • When installing, make sure there is no leakage. When recovering the refrigerant, ground the compressor first before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor works with the Control box Remove the screw for the stop valve open, the pipe inhales the air and it control box cover makes the pressure inside of the refrigerant cycle...
  • Page 23: Step 3.4 Adding Refrigerant

    3 Open the valve of the low pressure side of Precautions on adding the R-32 refrigerant manifold gauge anticlockwise. In addition to the conventional charging procedure, the 4 Evacuate the air in the connected pipes using the following requirements shall be kept. vacuum pump for about 15 minutes.
  • Page 24 • the additional refrigerant amount charged (Unit : g) in the field and Model • + the total refrigerant charge. on the **09MX***** 1070 refrigerant charge label supplied with the **12MX***** product. **09NX**B** **12NX**B** Refrigerant type GWP value **09NXWXC** R-32 **12NXWXC** **09NXCX*** • GWP=Global Warming Potential...
  • Page 25: Installation Inspection

    Installation Inspection Test parts for the indoor unit Step 4.1 Performing the gas leak tests 1 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 Test parts for the any leakage.)
  • Page 26 When error occurs, take necessary measures by referring to the following table. For more information on necessary measures for errors, refer to the service manual. Error indicator LED Display Error Measures for the installer to take LED 1 LED 2 LED 3 Display Communication...
  • Page 27: Step 4.3 Performing Final Check And Trial Operation

    Step 4.3 Performing final check and – Do not operate the compressor while a valve is open due to refrigerant leakage from a pipe trial operation or an unconnected or incorrectly connected pipe. Failure to do so may cause air to flow into 1 Check the following: the compressor and too a high pressure to • Strength of the installation site...
  • Page 28: Maintenance Procedures

    Maintenance Procedures Performing the gas leak tests for repair • Before starting the process, power supply must be available. In case of repair of the refrigerant circuit, the 1 Be familiar with the equipment details. following procedure must be kept to consider flammability.
  • Page 29: Sub Pcb Installation(Optional)

    Sub PCB installation(optional) 5 Connect the wire(remote controller, central Only for multi system remote controller etc) to the Sub PCB. 6 Assemble the Cover PCB and the front panel. (Wried remote controller, central remote controller etc.) ❈ If the Sub PCB is not installed, arrange 1 Turn the power off and take off the cover panel of the wire for multi system (connection) as shown in the illustration.
  • Page 30 DB68-06730A-03...

Table of Contents