Air conditioner
Installation manual
AC∗∗∗NX∗S∗C
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this manual carefully and retain it for future reference.
DB68-07420A-01
Page 1: ...onditioner Installation manual AC NX S C Thank you for purchasing this Samsung air conditioner Before operating this unit please read this manual carefully and retain it for future reference DB68 07420A 01 ...
Page 2: ...ccur switch the unit off and disconnect it from the powersupply In orderto prevent electric shocks fires orinjuries always stop the unit disable the protection switch and contact SAMSUNG s technical support if the unit produces smoke if the powercable is hot ordamaged orif the unit isverynoisy Always rememberto inspect the unit electric connections refrigerant tubes and protections regularly These...
Page 3: ...occurrence of fires explosions orinjuries Ourunits should be installed in compliancewith the spaces shown in the installation manual to ensure accessibilityfrom both sides and allowrepairs ormaintenance operations to be carried out The unit s components should be accessible and easyto disassemblewithout endangering people and objects Forthis reason when provisions of the installation manual are no...
Page 4: ...it installation The airconditioneruses R 410Arefrigerant Unit mm B Type AC071NX SEC 310 793 364 660 12 18 880 53 310 793 364 660 12 18 880 53 A Type AC052NX SEC 364 310 638 880 54 660 12 23 320 967 364 645 12 26 880 60 C Type AC090NX SEC ...
Page 5: ...r longerwire ropes as shown at the figure To prevent from damage or scratches insert a piece of cloth between the outdoor unit and rope then move the unit The appearance of the unit may be different from the picture depending on the model D Type AC100NX SGC AC120NX SGC AC140NX SGC AC160NXMSGC 375 1162 932 78 427 690 12 26 ...
Page 6: ...oorunit so that the airflowis directed towards the open area Maintain sufficient clearance around the outdoorunit especiallyfrom a radio computer stereo system etc If the outdoorunit is installed at a height ensure that its base is firmlyfixed in position Make sure that thewaterdripping from the drain hose runs awaycorrectlyand safely Whenyou install the outdoorunit atwayside you should install it...
Page 7: ... satisfying above conditions please contact manufacturer Make sure to clean the sea waterand the dust on the outdoorunit heat exchangerand spread corrosion inhibitoron heat exchanger At least one time perone year Check the condition of the product periodically Check the installation site every 3 months and perform anti corrosion treatment such as R Pro supplied by SAMSUNG Code MOK 220SA orcommerci...
Page 8: ...0 ormore 600 ormore 1500 or more 2000 ormore When 3 sides of the outdoor unit are blocked bythewall The upper part of the outdoor unit and the air outlet is towards thewall 600 or more 300 ormore 300 or more 1500 or more The upper part of the outdoor unit and the air outlet is opposite thewall When front and rear side of the outdoor unit is towards thewall Deciding onwhere to installthe outdooruni...
Page 9: ...ont and rearside of the outdoorunit is towards thewall The upper part of the outdoor unit and the air outlet is towards the wall 1500 ormore 600 ormore 3000 ormore 300 ormore 3000 ormore When 3 sides of the outdoorunit are blocked by thewall CAUTION The units must be installed according to distances declared in orderto permit accessibility from each side eitherto guarantee correct operation of mai...
Page 10: ...ppropriate support wall orground Fix the outdoorunitwith anchorbolts Unit mm Anchorbolt hole B Type 660 880 310 340 364 690 932 375 403 427 Anchorbolt hole D Type Anchorbolt hole A Type 660 880 310 340 364 645 880 320 340 364 Anchorbolt hole C Type CAUTION Make a drain outlet around the base foroutdoorunit drainage If the outdoorunit is installed on the roof you have to check the ceiling strength ...
Page 11: ... the column as much as possible Install propergrommet in orderto reduce noise and residualvibration transferred byoutdoorunit towardswall Designed to cut off residualvibration from outdoorunit to rack not sup pliedwith product Soft rubberdesigned to cut offvibration from rack towall not suppliedwith product CAUTION When installing airguide duct Check and make sure that screws do not damage the cop...
Page 12: ...orsubmergence you must install the ELCB orMCCB ELB Indoor Unit Power cable Outdoor Unit Communication cable Grounding OR Power cable Communication cable When using ELCBfor1 phase Grounding Indoor Unit Power cable Outdoor Unit Communication cable Grounding Power cable Communication cable When using ELCBfor3 phase 4wires OR Grounding CAUTION During the unit installation make first refrigerant connec...
Page 13: ... 0 14 3 AC120NXMSGC AC120NNMSEC 50 3Φ 380 415 342 457 11 4 3 5 14 9 14 9 16 4 AC140NXMSGC AC140NNMSEC 50 3Φ 380 415 342 457 14 0 3 5 17 5 17 5 19 3 AC160NXMSGC AC160NNMSEC 50 3Φ 380 415 342 457 16 4 3 5 19 9 19 9 21 9 Powersupplycord is not suppliedwith airconditioner Select the powersupplycord in accordancewith relevant local and national regulations Wire size must complywith the applicable local...
Page 14: ... PowerSupply Max Min V IndoorPowercable 220 240V 50Hz 10 1 5mm 3wires 0 75 1 5mm 2wires 0 75mm 2wires Between Indoorand OutdoorConnection cable Specifications Common in use Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord Code designation IEC 60245 IEC 57 CENELEC H05RN F or IEC 60245 IEC 66 CENELEC H07RN F 11 4 10 1 3 phase ...
Page 15: ... itwith a clamp The unbalanced powermust be maintainedwithin 2 of supplyrating If the poweris unbalanced greatly it mayshorten the life of the condenser If the unbalanced poweris exceeded over4 of supplyrating the indoorunit is protected stopped and the errormode indicates To protect the productfromwaterand possible shock you should keep the powercable and the connection cord of the indoorand outd...
Page 16: ...rPower Communication cable 1 L 2 N 1 V1 V2 F3 F4 F2 F1 2 1 L 2 N F1 F2 L1 R L2 S L3 T N Main power cable Cable tie OutdoorUnit IndoorUnit Cable clamp IndoorPower Communication cable Connecting the cable NOTE Laytheelectricalwiringsothatthefrontcoverdoesnotriseupwhendoingwiringworkandattachthefront coversecurely Groundwirefortheindoorunitandoutdoorunitconnectioncablemustbeclampedtoasoftcoppertin pl...
Page 17: ... 0 3 0 011 0 2 0 007 5 8 1 4 0 2 0 007 9 5 5 16 13 1 2 33 1 5 16 8 4 1 3 16 0 4 0 015 0 0 1 45 0 05 25 0 03 8 3 16 12 1 2 0 3 0 011 11 5 7 16 0 5 0 019 0 2 0 007 7 7 5 16 0 2 0 007 11 3 8 15 5 8 34 1 3 8 8 4 1 3 16 0 4 0 015 0 0 1 7 0 06 8 3 16 16 5 10 16 13 1 2 8 4 1 3 16 35 0 05 8 3 16 16 10 16 0 3 0 011 13 3 1 2 0 5 0 019 0 2 0 007 9 4 3 8 0 2 0 007 12 5 1 2 13 1 2 38 1 1 2 8 4 1 3 16 0 4 0 015...
Page 18: ...ert a contraction tube Unit mm 120 60 20 20 20 180 Powercable 20 Pre installed tube forthe powercable 3 Insert both sides of corewire of the powercable into the connection sleeve f f Method1 Push the corewire into the sleeve from both sides Connection sleeve f f Method 2 Twist thewire cores togetherand push it into the sleeve Connection sleeve 4 Using a crimping tool compress the two points and fl...
Page 19: ...e contractionwork is completed wrap itwith the insulation tape to finish CAUTION Make sure that the connection parts are not exposed to outside Be sure to use insulation tape and a contraction tube made of approved reinforced insulating materials that have the same level of withstand voltage with the power cable Comply with the local regulations on extensions Insulation tape WARNING In case of ext...
Page 20: ...L1 L0 H Refrigerant piping system table Pipe length orheight AC052NX SEC AC071NX SEC AC090NX SEC AC100NX SGC AC120NX SGC AC140NX SGC AC160NXMSGC Max allowable length Actual pipe length L0 H L1 30 m orless 50 m orless Allowable height length Actual pipe length H 15 m orless 30 m orless CAUTION Make sure to use C1220T 1 2H Semi hard pipe formore than Ø19 05mm In case of using C1220T O Soft pipe forØ...
Page 21: ...uum pumpforabout10 minutes Close thevalve of the lowpressure side of manifold gauge clockwise Make sure that pressure gauge shows 0 1MPa 76cmHg afterabout 10 minutes This procedure isveryimportant to avoid a gas leak Turn off thevacuum pump Remove the hose of the lowpressure side of manifold gauge 6 Setvalve cork of both liquid side and gas side of packedvalve to the open position 7 Mount thevalve...
Page 22: ...racked Damaged Surface Inclined Correct Outerdiameter D mm Connection torque N m Flare dimension L mm Flare shape mm Ø 6 35 14 18 8 7 9 1 L D 90 2 4 5 2 R 0 4 0 8 Ø 9 52 34 42 12 8 13 2 Ø12 70 49 61 16 2 16 6 Ø15 88 68 82 19 3 19 7 Ø19 05 100 120 23 6 24 0 CAUTION Connect the indoorand outdoorunits using pipeswith flared connections not supplied Forthe lines use insulated unwelded degreased and de...
Page 23: ... nitrogen using a cylinderwith pressure reducer at a pressure above 2 bar less than 40 bar gauge LEAKTESTWITHR 410A afteropeningvalves Beforeopeningvalves dischargeallthenitrogenintothesystemandcreate vacuum Afteropeningvalvescheckleaksusingaleakdetectorfor refrigerant R 410A Onceyou have completed allthe connections checkforpossible leaks using leak detectorspecificallydesignedforHFC refrigerants...
Page 24: ...25t Ø12 70 Ø15 88 Ø19 05 When installing insulation in places and conditions below use the same insulation that is used forhigh humidity conditions Geological condition High humidity places such as shoreline hot spring nearlake orriver and ridge when the part of the build ing is covered by earth and sand Operation purpose condition Restaurant ceiling sauna swimming pool etc Building construction c...
Page 25: ...outdoorunitswith soap latherorliquid forleakage test Spindle Tightening torque forbodycap Referto the table Charging core Tightening torque forcharging port cap Referto the table R 22 Thread of the screw 7 16 20UNF R 410A Thread of the screw 1 2 20UNF Outer diameter mm Tightening torque Body cap N m Charging port cap N m Ø6 35 20 25 10 12 Ø9 52 20 25 Ø12 70 25 30 Ø15 88 30 35 OverØ19 05 35 40 1 N ...
Page 26: ...30 minutes later charge the refrigerant through the service port of gas stopvalve 1 Ref Gas side stop valve service port Outdoorunit Indoorunit Balance Vacuum pump Liquid side stop valve service port Howto Calculate the QuantityofAdding Refrigerant The quantityof additional refrigerant isvariable according to the installation situation Thus make sure the outdoorunit situation before adding refrige...
Page 27: ... on High and Lowpressure side 3 Use L wrench to close thevalve on the high pressure side 4 Afterapproximately2 minute close thevalve on the lowpressure side 5 Stop operation of the airconditionerbypressing the Power button on the indoorunit orremote control 6 Disconnect the pipes WARNING Afterinstalling the product be sure to perform leak tests on the piping connections After pumping down refriger...
Page 28: ...t least two metres awayfrom a lightening conductorgrounding electrode and its cable 3 Finishwrapping insulating tape around the rest of the pipes leading to the outdoorunit 4 Installa green yellowcoloured groundingwire If the groundingwire is too short connect an extension lead in a mechanicalwayandwrapping itwith insulating tape do not burythe connection Secure the groundingwire in positionwith s...
Page 29: ...ation cables one mixed up orconnected incorrectly the PCBwill be damaged 2 Check the thermistorsensor drain pump hose and displayare connected correctly 3 KEY buttons are on Main PBA of OutdoorUnit 3 Press K2 on the outdoorunit PCB to run the test mode and stop Key Push type Mode Display SEG1 SEG2 SEG3 SEG4 K2 Short 1st Cooling test 2nd Stop 4 Howto reset the powersupply of the outdoorunit f f Pre...
Page 30: ...e of decimals kW 13 Protective control D 0 Cooling 1 Heating Protective control 0 No Protective control 1 Freezing 2 Non stop defrosting 3 Over load 4 Dsicahrge Frequency satatus Compressor operation 0 Off 1 On 14 The temperature of heat radiating plate E 15 S Wcheck F Long push1 Main micomversion Year Dec Month Hex Date Tens digit Date Unit digit Aftershort push1 Invertermicomversion Aftershort p...
Page 31: ...re sensor Open Short Floating switch errorof indoorunit Self diagnosis of the indoor and outdoor unit Fan errorof indoorunit Indoorterminal block thermal fuse error Errorof temperature sensorin the indoorunit Open Short Errorof the heat exchangerinput sensorin the indoorunit Open Short Errorof the heat exchangeroutput sensorin the indoorunit Open Short Errorof electronic expansion valve close in t...
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