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Related Manuals for Samsung MCU-S6NEK2N
Summary of Contents for Samsung MCU-S6NEK2N
- Page 1 Air conditioner Installation manual MCU-S6NEK2N / MCU-S4NEK3N / MCU-S2NEK2N / MCU-S1NEK1N / MCU-S12NEK1N / MCU-S8NEK1N • 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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Page 2: Table Of Contents
(For India only) For more information on safe disposal and recycling, visit our website www.samsung.com/in/support or contact our Helpline numbers - 1800 40 SAMSUNG (1800 40 7267864) 1800 5 SAMSUNG (1800 5 7267864). -
Page 3: Safety Precautions
Safety precautions 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. This product uses R-410A refrigerant. - Page 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. 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 power.
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Page 5: Mesures De Sécurité
Mesures de sécurité 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 toute sécurité... - Page 6 Safety precautions Mesures de sécurité 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. Si une cosse est mal serrée, cela peut générer de la chaleur et provoquer un incendie. L'alimentation électrique fournie peut être supérieure ou inférieure de 2 % par rapport à...
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Page 7: Preparing The Installation
Preparing the installation Accessories Please check if items below are included in installation accessories. Pipe socket MCU-S4* Insulation Insulation Installation Pattern Name Cable tie MCU-S1* MCU-S6* (for pipe) (for base) manual sheet MCU-S2* MCU-S8* MCU-S12* Shape Soundproof and soundproofing materials Name MXJ-YM1509M Shape... - Page 8 MCU-S1NEK1N below 16 kW (54MBH) MCU-S12NEK1N 85.0 kW (290MBH) MCU-S8NEK1N 85.0 kW (290MBH) Liquid pipe connected to indoor unit Gas pipe connected to indoor unit [Unit : mm(inch)] ø 9.52 (ø 3/8) WELDING ø 15.88 (ø 5/8) WELDING <MCU-S6NEK2N, MCU-S4NEK3N,MCU-S2NEK2N>...
- Page 9 Liquid pipe connected to indoor unit Gas pipe connected to indoor unit ø 9.52 (ø 3/8) WELDING ø 15.88 (ø 5/8) WELDING <MCU-S1NEK1N> Liquid pipe connected to indoor unit Gas pipe connected to indoor unit ø 9.52 (ø 3/8) WELDING ø...
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Page 10: Space Requirements
Space requirements Space requirements 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 may disrupt occupant comfort. <Spaces with open ceiling>... - Page 11 400 mm (16") or more 500 mm 700 mm (28") or more (20") or more or more <MCU-S1NEK1N> <MCU-S6NEK2N, MCU-S4NEK3N,MCU-S2NEK2N> 400 mm (16") or more 980 mm(38.6") 500 mm (20") or more 700 mm (28") 500 mm or more (20") or more...
- Page 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) The maximum capacity of the...
- Page 13 When MCUs are connected in series, the maximum capacity of all indoor units in MCU series connection is the larger value of MCU which are connected in series. Example: MCU-S12NEK1N + MCU-S6NEK2N 85.0 kW (290MBH) [MCU-S6*, MCU-S4*, MCU-S2*, MCU-S1*] When twinning 2 adjacent ports, Y-connectors can only be connected to the port combinations noted below.
- Page 14 Space requirements [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] + [#2-F] port Y-connector port combinations that are NOT allowed: #1 Ports: B + C port, D + E port, any non-continuous port (example: A+C) #2 Ports: B + C port, D + E port, any non-continuous port (example: A+C) Set Dip Switch Settings when using Y-connector...
- Page 15 3. Preparation before installation. 1) 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. For this reason, before drilling the NOTE holes maintain the correct dimensions between the markings.
- Page 16 Space requirements 5. How to connect the pipe line. Protect with wet towel when welding 70 mm Pipe connection from outdoor unit Default installing direction. Low pressure gas pipe conection (welding) High pressure gas pipe connection (welding) Liquid pipe connection (welding) Pipe connection to indoor unit Liquid pipe (welding) Gas pipe (welding)
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Page 17: Refrigerant Piping
Refrigerant piping Pipe brazing instructions and cautions Keeping refrigerant pipe clean and dry 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 Longer than one month Pipe pinch... - Page 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 Acrylonitrile No gap Butadien Rubber separately around each refrigerant pipe.
- Page 19 Refrigerant pipe before EEV kit and MCU or without EEV kit and MCU Insulation Insulation You can contact the gas side and liquid side pipes but the pipes should not be pressed. When contacting the gas side and gas side pipe, use 1 grade thicker insulator. Liquid pipe Gas pipe Refrigerant pipe after EEV kit and MCU...
- Page 20 Refrigerant piping Wiring Wiring Installing the circuit breaker and wires Power supply MCCB Power cable Earth cable Communication cable Max : 242V x [A], 30mmA 0.0039inch 0.0039inch x [A] 0.0012~0.0023inch (0.75~1.5mm (2.5mm (2.5mm Min : 198V 0.1 sec x [A] ≥ 1.25 X 1.1 X ∑Ai (x [A] : MCCB/ELB ampheres, ∑Ai : Sum of the rated current ampheres of indoors) Installing the wire Supply the 220-240V/208-230V power to L1, L2 (L, N) of MCU separately...
- Page 21 Power line and communication line must be installed as shown in drawing Hole size is Φ 43.7 mm (1.72 inches) Hole for MCU main Hole for MCU main Hole for MCU main power supply power supply power supply Hole for communication Hole for communication Hole for communication Choose the compressed socket based on the cross-section of the connecting wire.
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Page 22: Wiring
Wiring Setting MCU address and port 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 Set MCU address by rotary switch. address Example>... - Page 23 Process 2. DIP switch Set using each port (connected to indoor unit) by DIP switch setting for Example> If you want to connect indoor units at A,B,C,F port, set DIP switch 1,2,3,2 to 'ON' using each port DIP S/W DIP switch for indoor unit setting (ON: Use, OFF: Not use) 2 3 4 Default...
- Page 24 Wiring Process 3. DIP switch [MCU-S12*, MCU-S8*] setting When twinning 2 adjacent ports, Y-connectors can only be connected to the port combinations noted below.: for using [#1-A] + [#1-B] port, [#1-C] + [#1-D] port, [#1-E] + [#1-F] port Y-connetor [#2-A] + [#2-B] port, [#2-C] + [#2-D] port, [#2-E] + [#2-F] port Y-connector port combinations that are NOT allowed: #1 Ports: B + C port, D + E port, any non-continuous port (example: A+C) #2 Ports: B + C port, D + E port, any non-continuous...
- Page 25 Process 4. MCU Auto setting: refer to 'auto pipe pairing' in outdoor installation manual. address and Manual setting : port setting 1. Wireless remote controller for indoor 1) Enter mode to set option unit 2) Assign an indoor unit MCU port address by wireless remote controller (for wireless –...
- Page 26 Wiring Process 4. MCU 2. Wired remote controller address and – Setting for MWR-WE1*N port setting 1) Press the Delete and Set buttons at the same time for more than three seconds. Then you will for indoor enter the additional function settings, and the [main menu] will be displayed. unit 2) Assign an indoor unit MCU port address with main menu 4, sub menu 7 (MCU address is (for wired...
- Page 27 Process – Setting for MWR-WG0** 4. MCU 1) Press the buttons at the same time for more than 3 seconds. Then you can enter the address and password(0202) and press the OK button. port setting for indoor 2) Assign an indoor unit MCU port address with [Major] General [Step1] Indoor unit/ unit Ventilator option [Step2] MCU port [Step3] MCU address &...
- Page 28 Wiring • 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. NOTE •...
- Page 29 Option SEG7 SEG8 SEG9 SEG10 (When setting SEG3) (When setting SEG3) Compensation option for Long pipe or height Standard for mode Explanation PAGE Time required for diffference between indoor units changing Cooling mode change Heating mode Remote Controller Display Indication Details Indication Details...
- Page 30 Wiring Display segment Display Contents Remarks (Pushed time) Indoor unit main address for matching with port A Indoor unit main address of port A : 0 Indoor unit main address for matching with port B Indoor unit main address of port B : 3 Indoor unit main address for matching with port C Indoor unit main address of port C : 6 Indoor unit main address for matching with port D...
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Page 31: Mcu Installation Checklist
MCU Installation Checklist 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. - Page 32 This product is India RoHS compliant...