This manual introduces the functions and usage methods of products in FLECK 5800/5810/5812 XTRi (CONNECTED XTR2) SERVICE MANUAL pentair.com JOB SPECIFICATION SHEET, mainly including Job Number, Model Number, Water Hardness, Capacity Per Unit, Mineral Tank Size, Salt Setting per Regeneration, Regenerant Flow, Meter Size, System Type, Cycle Settings, Drain Line Flow Control, Brine Line Flow Control, Injector Size#, Battery Ins etc.