Pentair FLECK 2910 NXT Installer Manual page 44

Installer Manual Fleck 2910 - NXT - Installation
5. The third tank returns to standby as demand decreases past the second trip point.
Inlet
Valve
Tank
First trip point
(primary valve)
Flow split between
6. Tanks return to standby due to decreased total flow rate and trip points programmed. The tank
with the most remaining volume will be the first to go into standby.
Inlet
Valve
Tank
Full capacity
4th in standby
(Primary valve)
7. The primary tank regenerates. The next tank with the least remaining volume becomes the new
primary tank. The tank with the next least volume remaining will be the first trip point
programmed rate. Tanks continue operating in this order.
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Meter Meter
Valve
Tank
Service
two meters
Meter Meter
Valve
Tank
¾ capacity
3rd in standby
Meter
Valve Valve
Tank Tank
Stand-By Stand-By
Meter
Valve Valve
Tank Tank
½ capacity ¼ capacity
2nd in standby 1st in standby
Ref. MKT-IM-002 / A - 18.11.2016
Outlet
Meter
Outlet
Meter