Samsung NS071LDXEA Manual

Also see for NS035LDXEA: Service manual

Contents

Samsung NS071LDXEA Manual Manual pdf 13 page image

13AAENGLISHPurging the unitFrom factory the unit is supplied and set with a pre-charge of nitrogen gas. (insert gas) Therefore, all insert gas must be purgedbefore connecting the assembly piping.Unscrew the pinch pipe at the end of each refrigerant pipe.RESULT : All inert gas escapes from the indoor unit.• To prevent dirt or foreign objects from getting into the pipes duringinstallation, do NOT remove the pinch pipe completely until you areready to connect the piping.Gas refrigerant portLiquid refrigerantportGas refrigerant portLiquid refrigerant port• Connect the indoor and outdoor units using pipes with flaredconnections(not supplied). For the lines, use insulated, unwelded,degreased and deoxidized copper pipe (Cu DHP type to ISO 1337 orUNI EN 12735-1), suitable for operating pressures of at least 4200kPaand for a burst pressure of at least 20700kPa. Copper pipe for hydro-sanitary applications is completely unsuitable.• For sizing and limits (height difference, line length, max. bends,refrigerant charge, etc.) see the outdoor unit installation manual.• All refrigerant connection must be accessible, in order to permit eitherunit maintenance or removing it completely.NS035/052/071LDXEANS052/071/090/100/125/140SDXEANS090/100SSXE