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Air conditioner
User manual
AJ***NBNDEH
• 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 AJ052NBNDEH/SA

  • Page 1 Air conditioner User manual AJ***NBNDEH • 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

    Contents Safety Information Safety Information At a Glance Indoor Unit Overview Operation Features Operating temperature and humidity Cleaning and Maintenance Cleaning and Maintaining Cleaning the indoor unit exterior • Cleaning the outdoor unit heat exchanger Cleaning the air filter • Periodical maintenance • Troubleshooting Installation Safety Information on Installation Installation Procedure...
  • Page 3 Correct Disposal of This Product (Waste Electrical & Electronic Equipment) (Applicable in countries with separate collection systems) This marking on the product, accessories or literature indicates that the product and its electronic accessories (e.g. charger, headset, USB cable) should not be disposed of with other household waste at the end of their working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material resources.
  • Page 4: Safety Information

    If you have any questions, call your nearest contact centre or find help and information online at www.samsung.com. WARNING Hazards or unsafe practices that may result in severe personal injury or death.
  • Page 5 The installation of this appliance must be performed by a qualified technician or service company. • Failing to do so may result in electric shock, fire, explosion, problems with the product, or injury. Install a switch and circuit breaker dedicated to the air conditioner. •...
  • Page 6 Safety Information CAUTION Install your appliance on a level and hard floor that can support its weight. • Failing to do so may result in abnormal vibrations, noise, or problems with the product. Install the drain hose properly so that water is drained correctly. •...
  • Page 7 FOR USING WARNING If the appliance is flooded, please contact your nearest service centre. • Failing to do so may result in electric shock or fire. If the appliance generates a strange noise, a burning smell or smoke, unplug the power plug immediately and contact your nearest service centre.
  • Page 8 Safety Information After unpacking the air conditioner, keep all packaging materials well out of the reach of children, as packaging materials can be dangerous to children. • If a child places a bag over its head, it may result in suffocation. Do not touch the front panel with your hands or fingers during the heating operation.
  • Page 9 CAUTION Do not place objects or devices under the indoor unit. • Water dripping from the indoor unit may result in fire or property damage. Check that the installation frame of the outdoor unit is not broken at least once a year. •...
  • Page 10 Safety Information This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
  • Page 11: At A Glance

    Indoor Unit Overview The indoor unit and its display may look slightly different from the illustration shown below, depending on the model and the panel type. 01 Display Indication Function On/Off operation indicator Removing frost indicator Timer indicator Filter cleaning indicator Remote control sensor 02 Air flow blade/Air outlet (inside) / Wind-Free panel...
  • Page 12: Operation Features

    Operation Features Operating temperature and humidity When using the air conditioner follow the operating temperature and humidity ranges. Outdoor Indoor Indoor Mode If out of conditions temperature temperature humidity Condensation may occur on the indoor Cool 16˚C to 32˚C 80% or less unit with risk to have either water mode blow off or drop on the floor.
  • Page 13: Cleaning And Maintenance

    Cleaning and Maintaining Before cleaning the indoor unit, be sure to turn off the auxiliary power switch. Cleaning the indoor unit exterior Wipe the surface of the unit with a slightly wet or dry cloth when needed. Wipe off dirt of odd- shaped areas by using a soft brush.
  • Page 14 NOTE • The hooks are located on both sides of the front grill with the Samsung logo. Pull out the air filter from the indoor unit. 2 Cleaning the air filter Clean the air filter with a vacuum cleaner or soft brush.
  • Page 15 3 Reassembling the air filter CAUTION • If the indoor unit is used without the air filter, the indoor unit may be damaged due to dust. 4 Resetting the air filter (Wired remote control is an optional item) After cleaning and reassembling the air filter, be sure to reset the filter-cleaning reminder as follows: •...
  • Page 16 Cleaning and Maintaining Periodical maintenance Requires qualified Unit Maintenance item Interval technicians Clean the air filter. At least once a month Clean the condensate drain pan. Once a year Required Indoor Clean up the heat exchange. Once a year Required unit Clean the condensate drain pipe.
  • Page 17 Troubleshooting Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expense. Problem Solution The air conditioner • Because of the protective mechanism, the appliance does not start does not operate operating immediately to keep the unit from overloading. The air immediately after it conditioner will start in 3 minutes.
  • Page 18 Cleaning and Maintaining Problem Solution • A bubbling sound may be heard when the refrigerant is circulating The air conditioner through the compressor. Let the air conditioner operate in a selected mode. makes a bubbling • When you press the Power button on the remote control, noise may be sound.
  • Page 19: Installation

    Installing the unit if the air conditioner is sold or transferred. • This manual explains how to install an indoor unit with a split system with two SAMSUNG units. The use of WARNING other types of units with different control systems may damage the units and invalidate the warranty.
  • Page 20 Safety Information on Installation • After completing the installation, always carry out a conditioners. functional test and provide the instructions on how to • ices disconnected from the power supply should be operate the air conditioner to the user. completely disconnected in the condition of overvoltage •...
  • Page 21: Installation Procedure

    Installation Procedure Step 1 Checking and preparing Step 2 Choosing the installation accessories location The following accessories are supplied with the indoor unit. The type and quantity may differ, depending on the Installation location requirements specifications. • There must be no obstacles near the air inlet and Pattern sheet (1) Drain hose (1) outlet.
  • Page 22 Installation Procedure (Unit: mm) 580~585 (Celling opening) 500 (Suspension position) 22.5 22.5 22.5 22.5 Sub duct connection Sub duct hole is not applicable to Wind-Free models. Model AJ016NBNDEH AJ020NBNDEH AJ026NBNDEH AJ035NBNDEH AJ052NBNDEH Net dimension 575 X 575 X 250 (W × D × H) Liquid pipe Ø6.35 (1/4”) connection...
  • Page 23: Step 3 Optional: Insulating The Body Of The Indoor Unit

    Spacing requirements 1500 mm or more 17 mm 1500 mm or more 20 mm Obstruction Step 3 Optional: Insulating the body of the indoor unit (Unit: mm) If you install a cassette type indoor unit on the ceiling AJ016NBNDEH when temperature is over 27°C and humidity is over AJ020NBNDEH 80%, you must apply an extra 10 mm thick polyethylene Model...
  • Page 24: Step 4 Installing The Indoor Unit

    Installation Procedure Step 4 Installing the indoor unit CAUTION When deciding on the location of the air conditioner the • Make sure that the ceiling is strong enough to support following restrictions must be taken into account. the weight of the indoor unit. Before hanging the unit, test the strength of each attached suspension bolt.
  • Page 25: Step 5 Purging Inert Gas From The Indoor Unit

    Step 5 Purging inert gas from the 3 To prevent any gas from leaking out, remove all burrs at the cut edge of the pipe, using a reamer. indoor unit 4 Slide a flare nut on to the pipe and modify the flare. The indoor unit comes with nitrogen gas (inert gas) charged at the factory.
  • Page 26: Step 7 Connecting The Assembly Pipes To The Refrigerant Pipes

    Installation Procedure Step 7 Connecting the assembly pipes to Outer Diameter (mm) Torque (N•m) the refrigerant pipes Ø6.35 14 to 18 There are two refrigerant pipes of different diameters : Ø9.52 34 to 42 • A smaller one for the liquid refrigerant. Ø12.70 49 to 61 •...
  • Page 27: Step 8 Performing The Gas Leak Test

    Step 8 Performing the gas leak test CAUTION To identify potential gas leaks on the indoor unit, inspect • Be sure to wrap insulation tightly without any gaps. the connection area of each refrigerant pipe using a leak 3 Finish wrapping insulating tape around the rest of the detector for R-410A.
  • Page 28: Step 10 Installing The Drain Hose And Drain Pipe

    Installation Procedure clamps. Insulation type (heating/cooling) 4 Insulate the complete drain piping inside the building Standard High (field supply). Pipe size humidity Pipe Remarks (Less than If the drain hose cannot be sufficiently set on a slope, (mm) 30°C, (Over 30°C, fit the hose with drain raising piping (field supply).
  • Page 29 • If it is necessary to increase the height of the drain pipe, install the drain pipe straight within 300 mm Be horizontal from the drain hose port. If it is raised higher than 550 mm, there may be water leaks. Indoor unit 20 mm or more Drain hose...
  • Page 30: Step 11 Performing The Drainage Test

    Installation Procedure Step 11 Performing the drainage test b When the electric cable connection is completed • Turn on the indoor unit and outdoor unit. 1 Do a leak test at the connection part of the flexible • Operate in the Cool mode. hose and the drian pipe: CAUTION a Connect a general hose to the connection part of...
  • Page 31: Step 12 Connecting The Power And Communication Cables

    Step 12 Connecting the power and Indoor power supply communication cables Max/ Power supply Indoor power cable Min(V) CAUTION ±10% 220 to 240V, 50 Hz 1.0 mm², 3 wires • Always remember to connect the refrigerant pipes Communication cable before performing the electric connections. When disconnecting the system, always disconnect 0.75 to 1.0 mm², 2 wires the electric cables before disconnecting the...
  • Page 32: Step 13 Optional: Extending The Power Cable

    Installation Procedure Step 13 Optional: Extending the power CAUTION cable • When installing the indoor unit in a computer room or network room, use the double shielded 1 Prepare the following tools. communication cable (tape aluminum / polyester braid + copper) of FROHH2R type. Tools Spec Shape...
  • Page 33 3 Insert both sides of core wire of the power cable into 6 Apply heat to the contraction tube to contract it. the connection sleeve. • Method 1: Push the core wire into the sleeve from Contraction tube both sides. •...
  • Page 34 Installation Procedure Step 14 Setting the indoor unit CAUTION addresses and the installation options • The total number of available options are 24: SEG1 to SEG24. You cannot set both of the indoor unit addresses and the installation options in a batch: set both of them •...
  • Page 35 Take the steps presented in the following table: Steps Remote control display 1 Set the SEG2 and SEG3 values: a Set the SEG2 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display. SEG2 b Set the SEG3 value by pressing the (High Fan) button repeatedly until the...
  • Page 36 Installation Procedure Steps Remote control display 6 Press the (Mode) button. Fan and On appear on the remote control display. 7 Set the SEG9 and SEG10 values: a Set the SEG9 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display.
  • Page 37 Steps Remote control display 11 Set the SEG14 and SEG15 values: a Set the SEG14 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display. SEG14 b Set the SEG15 value by pressing the (High Fan) button repeatedly until the value you want to set appears on the remote control display.
  • Page 38 Installation Procedure Steps Remote control display 16 Press the (Mode) button. Fan and Off appear on the remote control display. 17 Set the SEG21 and SEG22 values: a Set the SEG21 value by pressing the (Low Fan) button repeatedly until the value you want to set appears on the remote control display.
  • Page 39 Setting the indoor unit address and installation 3 Check whether the option values that you have set are correct by pressing the (Mode) button repeatedly option [SEG2, SEG3] [SEG4, SEG5] [SEG6, SEG8] [SEG9, SEG10] 1 Make sure that the power is supplied to the indoor unit.
  • Page 40 Installation Procedure Setting an indoor unit address (MAIN/RMC) • The indoor unit address are set to 0A0000-100000-200000-300000 by default. Option No. : 0AXXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Setting main 100-digit of indoor 10-digit of indoor A single digit of Explanation Page Mode...
  • Page 41 Setting an indoor unit installation option (suitable for the condition of each installation location) • The indoor unit installation option are set to 020000-100000-200000-300000 by default. • Set the indoor unit option by wireless remote controller. When entering Address option, connect remote controller receiver.
  • Page 42 Installation Procedure Installation option (Detailed) Option No. : 02XXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of external Compensation of the fan Explanation Page Mode Use of central control temperature sensor Indication Details Indication Details Indication Details Indication Details Indication Details Disuse...
  • Page 43 Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Dew removal Individual control with remote Heating setting Explanation Page operation control compensation offset in wind free mode Indication Details Indication Details Indication Details Indication Details Default 0 or 1 channel 1 (*1) (Default) Maintain blade...
  • Page 44 Installation Procedure Changing the addresses and options individually When you want to change the value of a specific option, refer to the following table and follow the steps in Common steps for setting the addresses and options on page 34. Option SEG1 SEG2...
  • Page 45: Troubleshooting

    Troubleshooting LED lamp display Operation Defrost Timer Filter Abnormal conditions Power reset Error of tempreature sensor in the indoor unit (Open/ Short) Error of heat exchanger sensor in the indoor unit (Open/ Short) Error of fan motor in the indoor unit Error of the outdoor temperature sensor Error of the condensor temperature sensor Error of the discharge temperature sensor...
  • Page 46 QUESTIONS OR COMMENTS? COUNTRY CALL OR VISIT US ONLINE AT SINGAPORE 1800-SAMSUNG(726-7864) www.samsung.com/sg/support 1300 362 603 (Other) AUSTRALIA www.samsung.com/au/support 1300 425 299 (HHP) 0800 726 786 (All Product) NEW ZEALAND www.samsung.com/nz/support 0800 6 726 786 (Support for Smart Mobile Devices)

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