Samsung MCU-S2NEK2N - Manuals

Page 2 - Contents; Correct Disposal of This Product

2 Safety precautions ..........................................................................................................................................................................................................................3 Mesures de sécurité ..........................................

Page 3 - order to avoid a hazard.; FOR INSTALLATION; WARNING; Installation must be done by the installer or its service agent.; Install the unit safely on a place that can support its weight.; Safety precautions

3 The safety information and precautions below must be kept for the safety of users and installers. Before installing an air conditioner, please read this manual thoroughly to ensure that you know how to safely and efficiently install a new appliance. J This product uses R-410A refrigerant. – When u...

Page 4 - Supplied power should be more or less than 2% of the rated power.; Never use the pipe and flare parts for R-22 refrigerant.; CAUTION; Install MCU away from lighting apparatus using the ballast.; Do not install the unit in following places.

4 Safety precautions FOR INSTALLATION WARNING Make sure to connect wires thoroughly and fix them firmly so that no outer pressure of the wires would put on the terminal block. X If the terminal is loose, it may generate heat and cause a ﬁre. Supplied power should be more or less than 2% of the rated...

Page 5 - MONTAGE; AVERTISSEMENT; Mesures de sécurité

5 Les renseignements sur la sécurité et les précautions ci-dessous doivent être conservés pour garantir la sécurité des utilisateurs et des installateurs. Avant d'installer un climatiseur, veuillez lire attentivement ce manuel pour vous assurer que vous savez comment installer efficacement et en tou...

Page 6 - Veillez à ce que tous les câblages soient installés correctement.; MISE EN GARDE; Veillez à effectuer une mise à la terre conforme.

6 Safety precautions MONTAGE AVERTISSEMENT Veillez à bien serrer les fils et à les fixer fermement afin qu'aucune pression extérieure sur les câbles ne puisse provoquer une traction sur le bornier. X Si une cosse est mal serrée, cela peut générer de la chaleur et provoquer un incendie. L'alimentatio...

Page 7 - Accessories; Soundproof and soundproofing materials; Selecting the refrigerant pipe for installation; Annealed; Preparing the installation

7 Accessories Please check if items below are included in installation accessories. Name Insulation (for pipe) Insulation (for base) Installation manual Pattern sheet Cable tie Pipe socket MCU-S1* MCU-S2* MCU-S4* MCU-S6* MCU-S8* MCU-S12* Shape - J Soundproof and soundproofing materials Name MXJ-YM15...

Page 8 - MCU indoor/outdoor unit compatible table; Outdoor unit; AM

8 Preparing the installation MCU indoor/outdoor unit compatible table Before installing MCU, refer to the compatible table below and find the model before installation. Outdoor unit AM ✴✴✴✴ X ✴✴✴✴ MCU MCU-S6NEK2NMCU-S4NEK3NMCU-S2NEK2NMCU-S1NEK1N MCU-S12NEK1N MCU-S8NEK1N Indoor unit AM ✴✴✴✴ N ✴✴✴✴ MC...

Page 10 - MCU; Space requirements

Space requirements 10 Space requirements 1. Refrigerant noise can be generated during MCU operation. Do not install the unit in spaces that require silence, such as bedrooms, libraries, hospitals, offices etc. 2. Do not install the MCU in the ceiling of living spaces. Noise generated from the MCU ma...

Page 12 - specification; may vary depending on operating conditions.

12 Space requirements 1. MCU specification Model MCU-S12NEK1N MCU-S8NEK1N MCU-S6NEK2N Exterior of MCU Number of connectable indoor units at one port Up to 8 units Up to 8 units Up to 8 units Maximum number of indoor units (Total) 64 64 32 The maximum capacity of the connectable indoor units at one p...

Page 13 - Model; Using

13 2. MCU specification Model MCU-S12NEK1N MCU-S8NEK1N MCU-S6NEK2N Example installing (Each port connection) MCU-S4NEK3N MCU-S2NEK2N MCU-S1NEK1N Example installing (MCU series connection) MCU MCU MCU series connection Installing indoor units Indoor units under 16.0 kW (54 kBtu/h): Y-connector is not...

Page 17 - Pipe brazing instructions and cautions; Keeping refrigerant pipe clean and dry; Exposure place; Brazing the pipe; The use of Nitrogen gas; Refrigerant piping

17 Pipe brazing instructions and cautions Keeping refrigerant pipe clean and dry X To prevent foreign materials or water from entering the pipe, it is important to keep the refrigerant pipe clean, dry and sealed during installation. Exposure place Exposure time Sealing type Outside exposure Longer t...

Page 18 - Pipe insulating instructions and cautions

18 Refrigerant piping Pipe insulating instructions and cautions Make sure to check for gas leakage before completing the installation (hose and pipe insulation) and insulate hoses and pipes when there is no sign of leakage. 1. To avoid condensation problems, place T13.0 (1/2") or thicker Acrylon...

Page 19 - Exposed pipes should be insulated.

19 Refrigerant pipe before EEV kit and MCU or without EEV kit and MCU X You can contact the gas side and liquid side pipes but the pipes should not be pressed. X When contacting the gas side and gas side pipe, use 1 grade thicker insulator. Gas pipe Liquid pipe Insulation Insulation Refrigerant pipe...

Page 20 - Installing the circuit breaker and wires; Installing the wire

Refrigerant piping 20 Wiring Wiring Installing the circuit breaker and wires Power supply MCCB ELB Power cable Earth cable Communication cable Max : 242V Min : 198V x [A] x [A], 30mmA 0.1 sec 0.0039inch 2 (2.5mm 2 ) 0.0039inch 2 (2.5mm 2 ) 0.0012~0.0023inch 2 (0.75~1.5mm 2 ) J x [A] ≥ 1.25 X 1.1 X ∑...

Page 22 - Wiring; Setting MCU address and port; Process

22 Wiring Setting MCU address and port J When counting the quantity of MCUs while outdoor unit installation, one MCU is one. However, in the case of MCU-S12NEK1N and MCU-S8NEK1N, one MCU must be counted as two MCUs. Process 1. MCU address setting Set MCU address by rotary switch.Example> If you w...

Page 23 - Default

23 Process 2. DIP switch setting for using each port Set using each port (connected to indoor unit) by DIP switchExample> If you want to connect indoor units at A,B,C,F port, set DIP switch 1,2,3,2 to 'ON' DIP switch for indoor unit setting (ON: Use, OFF: Not use) 1 ON 2 3 4 1 ON 2 1 ON 2 3 4 1 O...

Page 24 - switch

24 Process 3. DIP switch setting for using Y-connetor [MCU-S12*, MCU-S8*] When twinning 2 adjacent ports, Y-connectors can only be connected to the port combinations noted below.: [#1-A] + [#1-B] port, [#1-C] + [#1-D] port, [#1-E] + [#1-F] port [#2-A] + [#2-B] port, [#2-C] + [#2-D] port, [#2-E] + [#...

Page 27 - Major

27 Process 4. MCU address and port setting for indoor unit (for wired remote controller) – Setting for MWR-WG0** 1) Press the and buttons at the same time for more than 3 seconds. Then you can enter the password(0202) and press the OK button. 2) Assign an indoor unit MCU port address with [Major] Ge...

Page 28 - Direct-connected indoor unit without MCU; Connecting two or more; remote controller, central controller) is set to the heating mode.

28 Wiring NOTE • The Direct-connected indoor unit without MCU like below picture, be sure to set their options to "Cooling only unit setting“ and then connect them to a low pressure gas pipe and a liquid pipe. This indoor unit only operate to cooling mode. • If two or more indoor units are conne...

Page 30 - K4 Switch (Solenoid Valve Manual Control); Display Contents

30 Wiring K2 (Pushed time) Display Contents Display segment Remarks 1 2 3 4 1 Indoor unit main address for matching with port A A - 0 0 Indoor unit main address of port A : 0 2 Indoor unit main address for matching with port B B - 0 3 Indoor unit main address of port B : 3 3 Indoor unit main address...

Page 31 - Item; MCU Installation Checklist

31 MCU Installation Checklist Item Check 1. If the gas leaking test has been completed or not. 2. If MCU has been fixed securely enough to avoid the danger of vibration and falling or not. 3. The Insulation condition of the pipe. (Refrigerant pipe, Pipe connection.) 4. If the R-410A refrigerant has ...

Page 32 - This product is India RoHS compliant

This product is India RoHS compliant ki]_TW]`WZhTW\pttj|GrniluRmyUGGGZY YWYYTXXTYYGGG㝘㤸G_a\`aWY