Spectra Watermakers LB-20000, Installation And Operating Manual

Page: 23 / 65

23
8. Note that the Boost (feed) Pres-
sure sensor and gauge are after
the feed valve so it will only read
when the feed valve is open. The
Boost Pressure should be
about
20 psi (1.4 Bar) during opera-
tion
.
Feed Valve
(shown in RUN position)

If the High Pressure Pump knocks
or bangs, check and adjust the
Boost Pressure, it is either too
high or too low. Adjust the boost
pressure until the pump is running
as smoothly as possible.

To increase or decrease the Boost Pressure rotate
the dial on the Boost Pump Speed Control.
9. Using the buttons on top of the filter housings, bleed
out the air in the filter housings until water is coming
out.
10. Check the brine discharge for water flow. The sys-
tem should fully prime within 60-90 seconds and all
air should be out of the feed water hoses. The pump
should sound smooth.

Note if the Boost Pressure drops below 10 psi the system will alarm “Service Pre-
filters”.
Note: If you must stop the purge sequence for any reason, the control will de-
fault back to the beginning of the purge cycle to protect your system.
New System Start-Up and Testing continued...