Pentair FLECK 2850 SXT - Page 3

Installer manual Fleck 2850 SXT - Table of Contents
Ref. MKT-IM-030 / C - 12.05.2020 3 / 104
4.2 Sizing a softener (single unit) ..................................................................... 27
4.2.1 Parameters to be considered ............................................................................. 27
4.2.2 Determining the required volume of resin ......................................................... 28
4.2.3 Resin exchange capacity and capacity of the unit .............................................. 29
4.2.4 Valve configuration.............................................................................................. 30
4.2.5 Cycle time calculation......................................................................................... 31
4.3 Salt amount definition ................................................................................. 33
4.4 Injector flow rates ....................................................................................... 33
4.4.1 1600 injectors ...................................................................................................... 34
4.4.2 1650 injectors ...................................................................................................... 35
4.4.3 1700/1710 injectors ............................................................................................. 36
5 Installation ...................................................................................... 37
5.1 Warnings...................................................................................................... 37
5.2 Safety notices for installation ..................................................................... 37
5.3 Installation environement ........................................................................... 37
5.3.1 General ................................................................................................................ 37
5.3.2 Water ................................................................................................................... 38
5.3.3 Electrical ............................................................................................................. 38
5.3.4 Mechanical .......................................................................................................... 39
5.4 Integration constraints................................................................................ 39
5.5 Valve connection to piping........................................................................... 40
5.5.1 Top-mounted valve installation .......................................................................... 40
5.5.2 Side-mounted valve installation ......................................................................... 42
5.6 Block diagram and configuration example................................................. 43
5.7 Electrical connections................................................................................. 45
5.8 Bypassing .................................................................................................... 46
5.9 Drain line connection .................................................................................. 46
5.10 Overflow line connection............................................................................. 47
5.11 Brine line connection .................................................................................. 48
6 Programming .................................................................................. 49
6.1 Display ......................................................................................................... 49
6.2 Commands .................................................................................................. 51
6.3 Setting the time of the day (TD)................................................................... 51
6.4 Basic programming..................................................................................... 51
6.4.1 Basic programming mode chart......................................................................... 51
6.4.2 Day of override (DO) ............................................................................................ 52
6.4.3 Regeneration time (RT) ....................................................................................... 52
6.4.4 Feed water hardness (H)..................................................................................... 52
6.4.5 Reserve capacity (RC) or (SF).............................................................................. 52
6.4.6 Current day of the week (CD).............................................................................. 52
6.5 Master programming mode........................................................................ 52