SpectraPure
CHECKING THE CONCENTRATE TO PURIFIED WATER RATIO
This procedure will assure you of maximum life and reliability of your SpectraPure System.
Failure to perform this procedure can permanently damage the membrane and will void
In order to maximize the life of your SpectraPure RO Membrane, you may need to adjust
the ratio of the concentrate to purified water. If not enough concentrate is allowed to flow
past the membrane during operation, the impurities will precipitate out on the membrane
surface, clogging the RO Membrane. To keep this from happening, the Concentrate to Puri-
fied Water Ratio must be checked and adjusted in order to compensate for pressure and
temperature variations that exist in all water supplies. The flow rate of the concentrate must
be a minimum of 3X the product flow rate. 3X to 5X is an acceptable concentrate flow rate.
Procedure:
1.
Locate the Yellow waste line. Direct the waste line into a sink drain.
2.
Locate the Blue product line . Direct the product line into a sink drain.
3.
Turn on the Feed Supply Valve and let the system run for 20 min.
4.
Collect product water from the blue line into a measuring cup for one
minute. Measure the collected amount in milli-liters. (30 ml = 1 oz) Do
the same with the waste water.
(Although not needed in this procedure, the daily product flow rate in Gallons per
Day (GPD) can be calculated to be equal to the product flow rate times 0.38 ).
If ratio is less than 3:1= Remove Flow Restrictor as shown on page 9-10 and
5.
cut 1" off.
6.
Re-measure your ratio and repeat proceedure untill you acheive a 3/1 ratio.
7.
If ratio is greater than 5:1, flow restrictor requires replacement
(Please contact SpectraPure Inc for a longer FR)
Note: our New 100 GPD Membranes have Replaced the
SpectraPure®Inc.
8
the pro-rated Membrane Warranty.
WASTE IN MILLILITERS______________ML
DIVIDED BY
PRODUCT IN MILLILITERS______________ML
The resultant is the Concentrate to Product Ratio
90 GPD Encapsulated Membranes
480.894.5437 Call us toll-free 1.800.685.2783
2167 East Fifth St, Tempe, Arizona 85281
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