
Rev. 6.4 dated 2022-02
Software Released Version: 1
Part 1 • Page 2 Contents
Part 1 – Operating Instructions
(Eco)RO Dia II
Part 1 • Contents
5. Technical description........................................................... 5-1
5.1 How it works ................................................................................................... 5-1
5.2 Design features .............................................................................................. 5-2
5.2.1 Aquaboss®impulse return rinsing.................................................................... 5-2
5.2.2 Aquaboss®membrane module with no dead space ........................................ 5-3
5.2.3 Single pipe construction ................................................................................... 5-3
5.2.4 Minimum dead space piping in stainless steel ................................................. 5-3
6. Functions............................................................................... 6-1
6.1 Process diagram ............................................................................................ 6-1
6.1.1 RO Dia II .......................................................................................................... 6-1
6.1.2 EcoRO Dia II .................................................................................................... 6-2
6.2 Functions ........................................................................................................ 6-3
6.2.1 Water supply .................................................................................................... 6-3
6.2.2 Supply tank ...................................................................................................... 6-3
6.2.3 Single-stage reverse osmosis system (Eco)RO Dia I ...................................... 6-3
6.2.4 Dual-stage reverse osmosis system (Eco)RO Dia II........................................ 6-4
6.2.5 Impulse rinsing (IRS), 1st stage ....................................................................... 6-4
6.2.6 Impulse rinsing (IRS), 2nd stage...................................................................... 6-4
6.2.7 System production pressure............................................................................. 6-4
6.2.8 Ring piping pressure ........................................................................................ 6-5
6.2.9 Membrane pressure vessel in the ring piping................................................... 6-5
6.2.10 Prevention of excess pressure in the ring piping.............................................. 6-5
6.2.11 Temperature-dependent discharge.................................................................. 6-5
6.2.12 Standby mode .................................................................................................. 6-6
6.2.13 Shut-off rinsing ................................................................................................. 6-6
6.2.14 Leak messages ................................................................................................ 6-6
6.2.15 Impulse shear force rinsing (ISS) (optional) ..................................................... 6-6
7. Description of components ................................................. 7-1
7.1 Pipeline / Switch cabinet ............................................................................... 7-1
7.2 Signal lamps ................................................................................................... 7-2
7.3 Display and keypad........................................................................................ 7-3
7.3.1 Main display with function keys........................................................................ 7-3
7.3.2 Conductivity display.......................................................................................... 7-4