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Figure 4
12
operation
WaterGard Controls
1
2
4
1 - Controller
2 - Product Permeate Flow Meter
3 - Reject Flow Meter
4 - Recirculation Flowmeter
5 - Inlet Feedwater Sample Port
Item 10 – Item 9 = Differential Pressure
Controller Operation
The unit has two modes of operation, a power off mode and an operating mode
that are controlled by the SYSTEM ON/OFF key. In the power off mode, the
unit is effectively off. All outputs are turned off and the display shows POWER
OFF. In the operating mode, the unit operates automatically. All inputs are
monitored, and the outputs are controlled accordingly. Pressing and holding
the power key will toggle the unit from the operating to power off or from power
off to operating. If power is removed from the unit, when power is reapplied,
the unit will restart in the mode in which the power was removed.
6 - Product Permeate Water Sample Port
7 - Membrane Inlet Pressure psi
8 - Reject Pressure psi
9 - Sediment Filter Inlet Pressure psi
10 - Sediment Filter Outlet Pressure psi
7
8
10
9
3
5
6
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