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user & installation manual
EN ES FR PT
DB68-05707A-02

Air Conditioner

imagine
the possibilities
Thank you for purchasing this Samsung product.
Duct Type Series
AC✴✴✴KNLDCH
AC✴✴✴MNHDCH

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Summary of Contents for Samsung AC***KNLDCH

  • Page 1: Air Conditioner

    Duct Type Series AC✴✴✴KNLDCH AC✴✴✴MNHDCH Air Conditioner user & installation manual imagine the possibilities Thank you for purchasing this Samsung product. EN ES FR PT DB68-05707A-02...
  • Page 3 Features of your new air conditioner Cool Summer Offer On those hot sweltering summer days and long restless nights, there is no better escape from the heat than the cool comforts of home. Your new air conditioner brings an end to exhausting hot summer days and lets you rest. This summer, beat the heat with your own air conditioner.
  • Page 4: Table Of Contents

    Contents USING PARTS Safety precautions ..........................................4 Checking before use .......................................... 10 Viewing the parts ..........................................12 Cleaning and maintaining the air conditioner ..............................13 Appendix ..............................................16 INSTALLATION PARTS Safety precautions ..........................................18 Preparation for installation ......................................20 Deciding on where to install the indoor unit ................................ 21 Indoor unit installation ........................................
  • Page 5: Using Parts

    If you have any questions, call your nearest contact center or find help and information online at www. samsung.com. Important safety symbols and precautions: Hazards or unsafe practices that may result in severe personal injury WARNING or death.
  • Page 6 Install a switch and circuit breaker dedicated to the air conditioner. Failing to do so may result in electric shock or fire. Fix the outdoor unit firmly so that the electric part of the outdoor unit is not exposed. Failing to do so may result in electric shock or fire. FOR INSTALLATION WARNING Do not install this appliance near a heater, inflammable material.
  • Page 7 Safety precautions FOR POWER SUPPLY WARNING When the circuit breaker is damaged, contact your nearest service center. Do not pull or excessively bend the power line. Do not twist or tie the power line. Do not hook the power line over a metal object, place a heavy object on the power line, insert the power line between objects, or push the power line into the space behind the appliance.
  • Page 8 FOR USING WARNING Do not touch the circuit breaker with wet hands. This may result in electric shock. Do not strike or pull the air conditioner with excessive force. This may result in fire, injury, or problems with the product. Do not place an object near the outdoor unit that allows children to climb onto the machine.
  • Page 9 Safety precautions FOR USING WARNING If any foreign substance such as water has entered the appliance, cut the power by unplugging the power plug and turning the circuit breaker off and then contact your nearest service center. Failing to do so may result in electric shock or fire. Do not attempt to repair, disassemble, or modify the appliance yourself.
  • Page 10 FOR USING CAUTION Do not use this air conditioner to preserve precision equipment, food, animals, plants or cosmetics, or for any other unusual purposes. This may result in property damage. Avoid directly exposing humans, animals or plants from the air flow from the air conditioner for long periods of time.
  • Page 11: Checking Before Use

    Checking before use Operation ranges The table below indicates the temperature and humidity ranges the air conditioner can be operated within. Refer to the table for efficient use. Outdoor Indoor IF OUT OF CONDITIONS MODE Indoor temperature humidity temperature 18°C to 32°C -18 °C to 46 °C Condensation may occur on the indoor unit Cooling...
  • Page 12 Tips on using air conditioner Here are some tips that you would follow when using your air conditioner. TOPIC RECOMMENDATION Cooling indoor temperature, it may take time to bring the room temperature to the desired temperature. the room does not cool faster. Heating from outdoor air, the heating capacity may decrease when outdoor temperatures are extremely low.
  • Page 13: Viewing The Parts

    Checking before use TOPIC RECOMMENDATION Power failure the operating immediately stops and unit will be off . When power returns, the air conditioner will run automatically. Protection mechanism being plugged in, cool/warm air does not come out for 3 minutes to protect the compressor of the outdoor unit.
  • Page 14: Cleaning And Maintaining The Air Conditioner

    Cleaning and maintaining the air conditioner Cleaning the fi lter For the best performance from your air conditioner, clean it periodically. When cleaning, make sure to unplug from the unit for user’s safety. When cleaning the fi lter, make sure to unplug the power from the unit. Washable foam based Air fi lter captures large particles from the air.
  • Page 15 Cleaning and maintaining the air conditioner GLOBAL DUCT 1. Press both hooks and take the fi lter downward. 2. Clean the Air fi lter with a vacuum cleaner or soft brush. If dust is too heavy, then rinse it with running water and dry it in a ventilated area.
  • Page 16 If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition. Dry the air conditioner thoroughly by operating in Fan mode for 3 to 4 hours and disconnect the power plug.
  • Page 17: Appendix

    Appendix Troubleshooting Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expenses. PROBLEM SOLUTION The air conditioner does not operate operating immediately to keep the unit from overloading. immediately after it The air conditioner will start in 3 minutes. has been restarted.
  • Page 18 PROBLEM SOLUTION Timer function does Power button on the remote control after not set. you have set the time. Odors permeate in the room during entering from outside. Operate the air conditioner in Fan mode or operation. open the windows to air out the room. The air conditioner makes a bubbling through the compressor.
  • Page 19: Installation Parts

    This manual explains how to install an indoor unit with a split system with two SAMSUNG units. The use of other types of units with different control systems may damage the units and invalidate the warranty. The manufacturer shall not be responsible for damages arising from the use of non compliant units.
  • Page 20 Power supply line, fuse or circuit breaker with current local safety standards. to ensure the operation of any other domestic appliance connected to the same electric lines. Verify that the air conditioner is connected to the power supply in accordance with the instructions provided in the wiring diagram included in the manual.
  • Page 21: Preparation For Installation

    Preparation for installation When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account. General Do NOT install the air conditioner in a location where it will come into contact with the following elements : ◆...
  • Page 22: Deciding On Where To Install The Indoor Unit

    Deciding on where to install the indoor unit Indoor unit ◆ There must be no obstacles near the air inlet and outlet. ◆ Install the indoor unit on a ceiling that can support its weight. ◆ Maintain sufficient clearance around the indoor unit. ◆...
  • Page 23 Deciding on where to install the indoor unit Insulation Guide Back Front unit: inch (mm) Thickness: more than 0.39 inch(10 mm) Indoor Unit Front/Back AC009KNLDCH AC012KNLDCH 600) 600) (600x199) (600x199) 35.43x23.62 35.43x23.62 AC018KNLDCH (900x600x199) (900x600) (900x600) (600x199) (600x199) Insulate the front and back side in proper size at the AC018MNHDCH same time when insulating...
  • Page 24 Drawing of the indoor unit AC009KNLDCH / AC012KNLDCH Unit : inch(mm) 29.07(738.4) (Suspension position) 23.62=6x3.94(600=6x100) 25.98(660) (Air outlet duct flange) 18-ø0.13(3.2) hole 27.56(700) (Air around) Inspection hole 27.56(700) 19.69(500) 31.50(800) 7.17(182) 9.69(246) 13.11(333) Discharge side Suction side Name Description Liquid pipe connection ø1/4"(6.35) Gas pipe connection ø3/8"(9.52)
  • Page 25 Deciding on where to install the indoor unit AC018KNLDCH Unit : inch(mm) 0.47(11.9) 3x10.08=30.24(3x256=768) 36.94(938.4) (Suspension position) 8x3.937=31.50(8x100=800) 33.86(860) (Air outlet duct flange) 22-ø0.13(3.2) hole 35.43(900) (Air around) Inspection hole 35.43(900) 19.69(500) 39.37(1000) 7.17(182) 9.69(246) 13.11(333) Discharge side Suction side Name Description Liquid pipe connection...
  • Page 26 AC018MNHDCH Unit : inch(mm) 7x3.937=27.56(7x100=700) hole 22-ø0.13(3.2) Inspection hole (Air outlet duct flange) 32.17(817) (Air around) 33.46(850) (Suspension position) 35.43(900) 33.46(850) 37.40(950) 19.69(500) 8.39(213) 4.92(125) 12.72(323) Discharge side Suction side Name Description Liquid pipe connection ø1/4"(6.35) Gas pipe connection Drain pipe connection (without drain pump) Power supply connection Air discharge flange...
  • Page 27 Deciding on where to install the indoor unit AC024MNHDCH / AC030MNHDCH Unit : inch(mm) 11x3.937=43.31(11x100=1100) hole 30-ø0.13(3.2) (Air outlet duct flange) 45.94(1167) (Air around) 47.24(1200) Inspection hole (Suspension position) 49.21(1250) 47.24(1200) 51.18(1300) 19.69(500) 8.39(213) 4.92(125) 12.72(323) Discharge side Suction side Name Description Liquid pipe connection...
  • Page 28 AC036MNHDCH / AC042MNHDCH / AC048MNHDCH Unit : inch(mm) 11x3.937=43.31(11x100=1100) hole 30-ø0.13(3.2) 49.92(1268) (Air outlet duct flange) (Air around) 51.18(1300) Inspection hole (Suspension position) 53.15(1350) 51.18(1300) 55.12(1400) 19.69(500) 8.39(213) 4.92(125) 12.76(324) Discharge side Suction side Name Description Liquid pipe connection ø3/8"(9.52) Gas pipe connection ø5/8"(15.88) Drain pipe connection...
  • Page 29: Indoor Unit Installation

    Indoor unit installation When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account. Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit. Since the diagram is made of paper, it may shrink or stretch slightly due to temperature or humidity.
  • Page 30: Purging The Unit

    Purging the unit before connecting the assembly piping. Unscrew the pinch pipe at the end of each refrigerant pipe. Slim Duct Type Gas refrigerant port installation, do NOT remove the pinch pipe completely until you are ready to connect the piping. Global Duct Type Gas refrigerant port sanitary applications is completely unsuitable.
  • Page 31: Connecting The Refrigerant Pipe

    Connecting the refrigerant pipe There are two refrigerant pipes of different diameters : ◆ A smaller one for the liquid refrigerant ◆ A larger one for the gas refrigerant ◆ The inside of copper pipe must be clean & has no dust 1.
  • Page 32: Cutting/Flaring The Pipes

    Cutting/Flaring the pipes 1. Make sure that you have the required tools available. (pipe cutter, reamer, flaring tool and pipe holder) 2. If you wish to shorten the pipes, cut it with a pipe cutter, make sure that the cut edge remains at a 90° angle with the side of the pipe.
  • Page 33: Performing Leak Test & Insulation

    Performing leak test & insulation Leak test ◆ LEAK TEST WITH NITROGEN (before opening valves) Slim Duct Type In order to detect basic refrigerant leaks, before recreating the vacuum and recirculating the R-410A, Licensed and authorized installer shall pressurize the whole system with nitrogen (using a cylinder with pressure reducer) at a pressure above 40 bar (gauge).
  • Page 34: Drainpipe And Drain Hose Installation

    Insulation Type (Heating/Cooling) General High humidity Pipe size [30 °C(86 °F), 85 %] [30 °C(86 °F), over 85 %] Pipe Remarks EPDM, NBR inch inch inch Heating resisting temperature over Gas pipe ◆ <Geological condition> <Operation purpose condition> - Restaurant ceiling, sauna, swimming pool etc. <Building construction condition> - The place where the pipe is installed is highly humid due to the lack of ventilation system.
  • Page 35 Drainpipe and drain hose installation Drainpipe Connection Without the drain pump 2. Install U-trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit. 3. Do not install the drainpipe to upward position. It may cause water flow back to the unit. Hanger Flexible hose Horizontal drainpipe...
  • Page 36: Connecting The Connection Cord

    Connecting the connection cord the electric connections. The indoor unit is powered by the outdoor unit by means of a H07 RN-F connection cable (or a more power model), with insulation in synthetic rubber and jacket in polychloroprene(neoprene), in accordance with the requirements of standard EN 60335-2-40. 1.
  • Page 37: Adjusting Air Flow

    Connecting the connection cord Terminal Block SPEC (Indoor) AC POWER : M4 SCREW COMMUNICATION : M4 SCREW Tightening Torque Adjusting air flow Automatic Air-Volume ( Only for AC MNHDCH ) When DPM is installed, Automatic Air-Volume function cannot be performed simultaneously for all indoor units. Automatic Air-Volume function must be performed for each indoor unit with the wired remote control attached.
  • Page 38 11). When the air conditioning unit has stopped, check the Mode No. 7.1 is "1” for completion of Automatic Air-Volume. If the Mode No. 7.1 is “0”, Automatic Air-Volume adjustment is fail. Then adjust the fan speed by referring the E. S. P(External Static Pressure) setting table.
  • Page 39 Adjusting air flow Model AC024MNHDCH Static Pressure(mmAq) Option code for indoor unit SP= 2.5 01B0EC-1E5407-274750-374020 2.5<SP≤ 6 01B0EC-1E547B-274750-374020 6<SP≤ 9 01B0EC-1E55D1-274750-374020 9 <SP≤ 12 01B0EC-1E5937-274750-374020 12<SP≤ 15 01B0EC-1E599D-274750-374020 15<SP≤ 17.5 01B0EC-1E5AF3-274750-374020 17.5<SP≤ 20 01B0EC-1E5E59-274750-374020 Model AC030MNHDCH AC036MNHDCH AC042MNHDCH Static Pressure(mmAq) Option code for indoor unit 01B0EC-1E5403- 01B0EC-1E54B8-...
  • Page 40: Easy Tuning

    Easy Tuning EASY Tuning If the more cooling and heating airflow rate which set up when installing is wanted, or if the more Silent operation which sets up when installing is wanted, air conditioner is tuned for comfort. Indoor unit airflow rate for high, mid, low mode increases or decreases for +2 ~ -2 Steps with wired remocon. SEG Used Main Menu Sub-menu 1 2 3...
  • Page 41: Setting The Indoor Unit Option Code

    Setting the indoor unit option code Setting the option code with wireless remocon is availble if receiver kit is installed. Please use the proper wireless remocon such as MR-EH00U which set 24 digit option code. Following is the instruction of setting option code with wired remocon(MWR-WE10N).
  • Page 42: Setting An Indoor Unit Address And Installation Option

    Setting an indoor unit address and installation option Set the indoor unit address and installation option with remote controller option. Set the each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time.
  • Page 43 Setting an indoor unit address and installation option Setting an indoor unit installation option In order to check and set the indoor unit installation option code use the wired remote controller and follow the directions below. 1) Press the buttons at the same time for more than 3 seconds and then a Main menu will be displayed.
  • Page 44 Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Use of Electric Controller variables for auxiliary Explanation PAGE Use of drain pump Use of Hot Coil Heater heater Indication Details Indication Details Indication Details Indication Details Details Set temperature Time delay Indication for auxiliary for auxiliary heat on...
  • Page 45: Troubleshooting

    Troubleshooting ◆ If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED. ◆ If you re-operate the air conditioner, it operates normally at first, then detect an error again. LED Display on the receiver & display unit Indicators Concealed Type Abnormal conditions...
  • Page 46 Indicators Concealed Type Abnormal conditions Remarks Green Standard Type Communication error between indoor units 1. Error of electronic expansion valve close 2. Error of electronic expansion valve open 3. 2’nd detection of high temperature cond 4. 2’nd detection of high temperature discharge 5.
  • Page 47: Wired Remote Control

    Troubleshooting Wired remote control ◆ If an error occurs, is displayed on the wired remote control. If you would like to see an error code, press the Test button. Display Explanation Indoor unit Communication Error Indoor/Outdoor unit Communication Time Out Error 60 Packet Over data Communication Error between Outdoor Main and Inverter Micom (Occurred after 1 minute detec- tion in Main and Inverter)
  • Page 48 Display Explanation Gas leak detected Indoor Unit operating stop due to detect unknown error in Outdoor Unit Compressor down due to freeze protection control High Pressure SENSOR breakaway ERROR Low Pressure SENSOR breakaway ERROR COMP down by Compression Ratio control Error 1 Outdoor SUMP DOWN_1 Protection Control COMP down due to Low PressureSensor Protection Control 1 MCU SOL Valve cooling/heating opening 1st at the same time...
  • Page 49: Extending The Power Cable

    Extending the power cable 1. Prepare the following tools. Tools Crimping pliers Connection sleeve Insulation tape Contraction tube 20xØ0.26 inch(6.5 mm) 70xØ0.31 inch(8.0 mm) Spec MH-14 Width 0.75 inch(19 mm) (HxOD) (LxOD) Shape 2. As shown in the figure, peel off the shields from the rubber and wire of the Power cable power cable.
  • Page 50 5. Wrap it with the insulation tape twice or more and position your contraction tube in the middle of the insulation tape. Three or more layers of insulation are required. Method 1 Method 2 Insulation tape Insulation tape 1.57 inch 1.38 inch (40 mm) (35 mm)
  • Page 51 Memo IMPORTANT - This product has been designed and manufactured to meet ENERGY STAR criteria for energy efficiency when matched with appropriate coil components. However, proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency. Installation of this product should follow the manufacturer's refrigerant charging and air flow instructions.
  • Page 53 QUESTIONS OR COMMENTS? COUNTRY CALL OR VISIT US ONLINE AT U.S.A www.samsung.com/us/support - Consumer Electronics www.samsung.com/ca/support (English) CANADA www.samsung.com/ca_fr/support (French) MEXICO www.samsung.com/mx/support 0800-124-421 (Demais cidades e regiões) BRAZIL www.samsung.com/br/support 4004-0000 (Capitais e grandes centros) www.samsung.com/latin/support (Spanish) COSTA RICA www.samsung.com/latin_en/support (English) www.samsung.com/latin/support (Spanish)

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