15
Spectrum
TM
High Pressure Switch
The high pressure switch shuts off the system when the product water pressure exceeds 4.1 bar, preventing
damage to the system. The system restarts automatically when the pressure drops below 2.75 bar.
Pump Throttle Valve
The pump throttle valve is installed as a standard feature on SPECTRUM systems. It provides an adjustment
for pump pressure. As the feed water temperature decreases and/or the feed TDS increases, the system
will require a higher operating pressure to produce the specified permeate flow.
Adjusting the Throttle Valve
To decrease the pressure, turn the handle clockwise. To increase the pressure, turn the handle counter
clockwise, shown in
Figure 4.
Figure 4.
Flushing the System
The system should be flushed weekly to remove sediment from the surface of the membranes. To manually
flush the system follow the steps shown below:
1. The system must be operating during the flush procedure.
2. Fully open the concentrate valve
(Figure 1, Item 5).
3. Allow the system to run for 10 - 20 minutes.
4. After 10 - 20 minutes, close the concentrate valve to its previous setting. Ensure the proper concentrate
flow rate is going to drain.
5. The system is now ready to operate.
Operation
&
Maintenance