Samsung AC140KN4PEH/SA Installation Manual

Contents

9EnglishInstallation ProcedureConnecting the main power cableWhen using ELB for 1 phase and 3 phase1(L) 2(N) L1(R) L2(S) L3(T) N F1 F21(L) 2(N) L N F1 F2MCCBELBPower supplyElectricalcomponent boxThe appearance of the unit may bedifferent from the picture dependingon the model.Indoor Unit1-phase3-phaseMain powercable Communication cableCommunicationcable3-phase 4-wiremain power cable(AC 380V)Outdoor-to-indoor powercableOutdoor-to-indoor powercableCable tieCable tieCAUTION• You should connect the power cable into the power cable terminal and fasten it with a clamp.• When using a 3 phase model, the unbalanced power between phases must be maintained within 2 % of supply rating.If the power is unbalanced greatly, it may shorten the life of the condenser. If the unbalanced power isexceeded over 4% of supply rating, the operation of the outdoor unit is stoped and protected, and the errormode indicates.• To protect the product from water and possible shock, you should keep the power cable and the connection cord ofthe indoor and outdoor units within ducts. (with appropriate IP rating and material selection for your application)• Ensure that main supply connection is made through a switch that disconnects all poles, with contact gap of a least3 mm.• Devices disconnected from the power supply should be completely disconnected in the condition of overvoltagecategory.• Keep distances of 50 mm or more between power cable and communication cable.360_AC_Outdoor_AU_Eng_EN.indb 9 2016-09-20 오후 8:00:29