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C. HIGH PRESSURE or LOW PRESSURE ABNORMALITIES DUE TO A
MISMATCH OF COMPONENTS:
a. POSSIBLE CAUSE: MISMATCHING OF THE FEED PUMP [6], ETD [17], OR R.O. MEMBRANE ELEMENT
[20].
The Ultra Whisper System is designed to recover as Product Water a fixed percentage of the Feed Water. The
System self adjusts the operating pressure in order to maintain a constant and set Product Water Flow.
Therefore, the System should never experience greater than or less than normal Product Water Flow, unless
there is a failure or abnormality.
Three components must be properly matched in order to attain acceptable operating pressure limits and
resulting Product Water Production Limits. The ETD [17], the Reverse Osmosis Membrane Element [20], and
the Feed Pump [6] Output Flow of water must all be matched. Upon leaving Sea Recovery's factory at the
time of shipment these components have been matched and tested together as a System.
If the initial Sea Recovery customer (Distributor, Dealer, or Boat Builder) has mistakenly interchanged one or
more of these components, from other Systems in their stock, this will cause a mismatch resulting in insufficient
operating pressure, insufficient product water flow, excessive operating pressure, or excessive product water
flow. If one or more of these components has recently been replaced it may have been replaced with the
incorrect component.
If the System is NEW and being operated for the first time, or if one or more of the above mentioned
components has recently been replaced, check to ensure that the three components are properly matched.
Refer to the following two pages.
ETD: If the ETD [17] has been improperly changed to a HIGHER size code from "B-22" to "B-25" Product
Water Flow will increase along with higher than normal operating pressure. The High Pressure Switch [11]
will eventually signal the System to shut down due to excess pressure at the Prefilter Inlet Pressure Gauge
[12].
If the ETD [17] has been improperly changed to a LOWER size code from "B-25" to "B-22" Product
Water Flow will decrease along with lower than normal operating pressure and poor Product Water
Quality.
FEED PUMP: If the Feed Pump [6] has been improperly changed to a HIGHER size code (ie from 100 GPH to
140 GPH, etc.) Product Water Flow will increase along with higher than normal operating pressure. The
High Pressure Switch [11] will eventually signal the System to shut down due to excess pressure at the
Prefilter Inlet Pressure Gauge [12].
If the Feed Pump [6] has been improperly changed to a LOWER size code (ie from 190 GPH to 125 GPH,
etc.) Product Water Flow will decrease along with lower than normal operating pressure and poor Product
Water Quality.
R.O. MEMBRANE ELEMENT: If the R.O. Membrane Element has been improperly changed to a HIGHER
size code from "A" to "B", or "C" or from "B" to "C" then Product Water Flow will not change and the
operating pressure will decrease resulting in poor Product Water Quality.
If the R.O. Membrane Element has been improperly changed to a LOWER size code from "B" to "A", or
from "C" to "B" or "A" then Product Water Flow will not change but the operating pressure will increase.
The High Pressure Switch [11] will eventually signal the System to shut down due to excess pressure at the
Prefilter Inlet Pressure Gauge [12].
section 6 page 16 of 38
Sea Recovery Ultra Whisper Rev. A
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