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Samsung MCU-S2NEK1N, Installation Manual

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Samsung MCU-S2NEK1N Installation Manual Download Page 2

MCU-S6NEE1N
MCU-S4NEE1N
MCU-S4NEE2N
MCU-S2NEK1N

MCU

installation manual

imagine 

the possibilities

Thank you for purchasing this Samsung product.

This manual is made with 100% recycled paper.

DB68-03490A-06

EN ZH

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Summary of Contents for MCU-S2NEK1N

Page 1: ...tj Tz ullXu pt luGWZ WhTW U GGGY YWX TW TX GGG㝘㤸GXWa Za ...

Page 2: ...EE2N MCU S2NEK1N MCU installation manual imagine the possibilities Thank you for purchasing this Samsung product This manual is made with 100 recycled paper DB68 03490A 06 EN ZH tj Tz ullXu pt luGWZ WhTW U GGGY YWX TW TX GGG㝘㤸GXWa Za ...

Page 3: ...precautions 3 Preparing the installation 5 Space requirements 7 Installing the unit 8 Refrigerant piping works 11 Wiring works 13 Commisioning 21 Contents tj Tz ullXu pt luGWZ WhTW U GGGY YWX TW TX GGG㝘㤸GXWa Za ...

Page 4: ...ck out the safety precautions below before installing or fixing the unit X Before welding the unit you must remove all the hazardous materials around the unit that may cause an explosion and a fire X When refrigerant is in the product or the pipe before welding the unit you must remove the refrigerant If you weld the unit when there is refrigerant inside the increased pressure of refrigerant may ex...

Page 5: ...t does not generate X If the draining work is done incompletely property damage may occur due to a leakage Install the power cable and communication cable of MCU at least 1m away from the electric appliances and at least 2m away from the lightning rod X However you may hear a noise 1 meter away from the unit depending on the condition of the electric wave Install MCU away from lighting apparatus u...

Page 6: ...Accessories For pipes larger than Ø 19 05mm 3 4 drawn type C1220T 1 2H or C1220T H type copper pipe must be used If an annealed type C1220T O copper pipe is used pipe may break due to its low pressure resistance and cause personal injury Outerdiameter Minimumthickness Tempergrade mm inch mm inch 6 35 1 4 0 70 0 028 Annealed 9 52 3 8 0 70 0 028 12 70 1 2 0 80 0 031 15 88 5 8 1 00 0 039 19 05 3 4 0 ...

Page 7: ...ption MCU S6NEE1N Below 6 indoor units below 56 kW 192MBH MCU S4NEE1N Below 4 indoor units below 56 kW 192MBH MCU S4NEE2N Below 2 large capacity indoor unit below 56 kW 192MBH MCU S2NEK1N Below 2 indoor units below 28 kW 96MBH Gas pipe connected to indoor unit Liquid pipe connected to indoor unit Side view of MCU ø 28 58 ø 1 1 8 ø 19 05 ø 3 4 ø 15 88 ø 5 8 nipple ø 12 7 ø 1 2 nipple ø 9 52 ø 3 8 n...

Page 8: ...re MCU is installed should be coated with qualityTex that has a good soundproof function X Minimize the size of the hole between the walls and the pipe connection After the installation block the gap to prevent noise from leaking Living area Living area Living area Bulkhead Living area Hallway MCU MCU Hallway Spaces with developed ceiling Ceiling of the office 4 Secure over 0 25m 0 82 of space whe...

Page 9: ...E1N MCU S4NEE2N MCU S2NEK1N Exterior of MCU Number of connectable indoor units Up to 6 units Up to 4 units Up to 2 units Refer to the detail information of installation Up to 2units Maximum capacity of connectable indoor units 56 kW 192MBH 56 kW 192MBH 56 kW 192MBH 28 kW 96MBH Internal EEV Not inluded Cannot connect indoor unit without internal EEV Ceiling tex Ceiling concrete MCU 1 5m 5 or less 1...

Page 10: ...equired operations on the indoor unit Model MCU S6NEE1N MCU S4NEE1N MCU S4NEE2N MCU S2NEK1N Example installing Installation Condition Singlecapacityrange10kW 30MBH orunder Connecttheliquid gaspipeofindoorunittoasingleportinMCU 11 2 14kW 36 48MBH UseY Joint Theindoorunit scapacityof20 kw 60MBH orover mustusethe appropriateMCU Applywhenconnectingtheindoor unit scapacityofover11 2kW 36MBH UseY Joint ...

Page 11: ...t be connected in series 70mm 70mm 4 Cautions about MCU installation X When fixing the unit at the upper place using suspension bolts use a nut and washer to vertically fasten the unit X There are four spots to fix the suspension bolts Make sure every spot is fixed X The upper and the lower side of MCU is distinguished so be careful not to turn the unit upside down when installing the unit Otherwi...

Page 12: ...er than one month Taping Inside exposure Taping Brazing part Nitrogen gas 1 4 copper pipe Stop valve Taping Pressure regulator Flowmeter Insulation cover pipe Indoor unit Be sure to overlap the insulation Insulation pipe Method and cautions on refrigerant pipe insulation Make sure to check for gas leakage before completing the installation hose and pipe insulation and insulate hoses and pipes when...

Page 13: ...25 1 38 1 1 2 RefrigerantpipebeforeEEVkitandMCUorwithoutEEVkitandMCU f You can contact the gas side and liquid side pipes but the pipes should not be pressed f When contacting the gas side and gas side pipe use 1 grade thicker insulator Refrigerant pipe after EEV kit and MCU f Install the gas side and liquid side pipes leave 10mm 3 8 of space f When contacting the gas side and liquid side pipe use...

Page 14: ...stalling the circuit breaker and wires Powersupply MCCB ELB Powercable Earthcable Communicationcable Max 242V Min 198V X A X A 30mmA 0 1 sec 0 0039inch2 2 5mm2 0 0039inch2 2 5mm2 0 0012 0 0023inch2 0 75 1 5mm2 The capacity of ELB MCCB X A 1 25 X 1 1 X Ai X Decide the capacity of ELB and MCCB by below formula X Decide the power cable specification and maximum length within 10 power drop among indoo...

Page 15: ...nch2 4 0mm2 f Apply following equation Coef 35 6 LK iK 10 of input voltage V 1000 AK n k 1 Indoor unit Power supply MCCB A ELB A Power cable mm2 Earth cable mm2 Communication cable mm2 DVM Hydro unit 1Ø 220 240 V 50 Hz Max 264 V Min 198 V X A X A 30 mA 0 1 sec 0 0039 inch2 2 5 mm2 Single Installation 0 0039 inch2 2 5 mm2 0 0012 0 0023 inch2 0 75 1 5 mm2 DVM Hydro unit HT 1Ø 220 240 V 50 Hz Max 264...

Page 16: ...n drawing Input socket X Power Line and communication line must be installed as shown in drawing Case 1 Indoor Unit Indoor Unit Outdoor Unit ELB MCCB 220 240V 208 230V Supply separately Case 2 Indoor Unit Indoor Unit Outdoor Unit ELB MCCB 220 240V 208 230V Supply separately Hole for indoor unit power supply Upto 2 indoor units per 1 hole Hole for MCU main power supply Hole for communication tj Tz ...

Page 17: ...0 3 0 011 0 2 0 007 d1 Standard dimension mm inch 1 7 0 066 2 3 0 090 3 4 0 133 Allowance mm inch 0 2 0 007 0 0 2 0 007 0 0 2 0 007 0 E Min mm inch 4 1 0 161 6 0 236 6 0 236 F Min mm inch 6 0 236 6 0 236 5 0 196 L Max mm inch 16 0 629 17 5 0 688 20 0 787 d2 Standard dimension mm inch 4 3 0 169 4 3 0 169 4 3 0 169 Allowance mm inch 0 2 0 007 0 0 2 0 007 0 0 2 0 007 0 t Min mm inch 0 7 0 027 0 8 0 0...

Page 18: ...ESS on the MCU PCB same as the ADDRESS of connected indoor unit X When installing more than 2 MCU set each rotary switch for MCU ADDRESS properly 012 3 4 5 6 7 8 9 A B C D E F Indoor Unit Indoor Unit MCU PCB MCU PCB Setting the number of Indoor Unit Setting the number of MCU Indoor Unit ADDRESS Outdoor Unit PCB MCU ADDRESS MCU ADDRESS Indoor Unit ADDRESS MCU DIP S W MCU DIP S W MCU PCB MCU DIP S W...

Page 19: ...unit Indoorunit Indoorunit Indoorunit Indoorunit Indoorunit Indoorunit Indoorunit Indoorunit Indoorunit Indoorunit MCU MCU Communication cables are connected as shown above when installing MCU When installing electricity and wires of MCU please proceed the work refering to the installation manual of the HR outdoor unit X Address on the rotary switch at the MCU PCB and the rotary switch on the indo...

Page 20: ... 13 On Off for solenoid valve C_C C_H C 14 On Off for solenoid valve D_C D_H D 15 On Off for solenoid valve E_C E_H E 16 On Off for solenoid valve F_C F_H F 17 On Off for liquid by pass solenoid valve G Blank 0 N Ex On 0 F F Ex Off 18 Version 8 A 2 0 Ex October 20 2008 p 8A 20 19 End of K1 display K2 Pushedtime DisplayContents Displaysegment Remarks 1 2 3 4 1 Indoor unit main address for matching ...

Page 21: ...P A 1 0 2 A_H sol valve ON other sol valve Off P A 0 1 3 B_C sol valve ON other sol valve Off P B 1 0 4 B_H sol valve ON other sol valve Off P B 0 1 5 C_C sol valve ON other sol valve Off P C 1 0 6 C_H sol valve ON other sol valve Off P C 0 1 7 D_C sol valve ON other sol valve Off P D 1 0 8 D_H sol valve ON other sol valve Off P D 0 1 9 E_C sol valve ON other sol valve Off P E 1 0 10 E_H sol valve...

Page 22: ...or not 5 Checking malfunction of the wire and the communication line 6 If the MCU frame has been installed upside down or not 7 If the wire earthing work has been done or not 8 If the space between sidewalls ceiling concrete and the ceilingTex has been secured enough or not to install the MCU frame 9 If the supporting tool of the MCU pipe has been safely placed in 1 5m intervals or not 10 If the p...

Page 23: ...22 Memo tj Tz ullXu pt luGWZ WhTW U GGGYY YWX TW TX GGG㝘㤸GXWa Za ...

Page 24: ...ENGLISH 23 Memo tj Tz ullXu pt luGWZ WhTW U GGGYZ YWX TW TX GGG㝘㤸GXWa Za ...

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