Installer manual Fleck 3150 NXT/NXT2 - Installation
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Ref. MKT-IM-010 / C - 18.10.2019
is complete, the regenerated unit will enter in standby. Standby on each tank is
controlled by the drive output terminals (24 VAC or 24 VDC, see UDM on Electrical
connections [
Page 52]) on the NXT/NXT2 circuit board.
Inlet
Check valve
Valve
Outlet
Tank
Meter
Service
Service
Service
Stand-By
100%
5.7.7
Multiple valves, system on-demand (System #14)
This system type may be used to build systems from 2 to 4 valves for NXT controller,
2 to 8 valves forNXT2. Each valve must be equipped with a water meter.
The number of tanks in service depends on the flow rate and on programmed settings.
5.7.7.1
Examples of a four units system
1.
One tank is in service at all time (the "primary tank").
Inlet
Check valve
Valve
Outlet
Tank
Meter
Stand-By
Stand-By
Service
Primary
tank
Stand-By
2.
The total flow rate to the primary tank increases and exceeds the first
programmed trip point. The flow rate demand stays above the trip point for the
preset delay time. The next tank (with the least remaining volume) changes from
standby into service. This then splits the total flow between two meters.
Summary of Contents for FLECK 3150 NXT
Page 1: ...FLECK 3150 NXT NXT2 INSTALLER MANUAL WATER PURIFICATION ...
Page 139: ...Installer manual Fleck 3150 NXT NXT2 Maintenance Ref MKT IM 010 C 18 10 2019 139 182 DC motor ...
Page 144: ...Installer manual Fleck 3150 NXT NXT2 Maintenance 144 182 Ref MKT IM 010 C 18 10 2019 ...
Page 148: ...Installer manual Fleck 3150 NXT NXT2 Maintenance 148 182 Ref MKT IM 010 C 18 10 2019 ...
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