SpectraPure
®
SpectraPure
®
Inc.
480.894.5437 Call us toll-free 1.800.685.2783
2167 East Fifth St, Tempe, Arizona 85281
8
STEP 6: PRESSURE ADJUSTMENT USING THE PRESSURE REGULATOR:
A. When pushed down, the Pressure Regulator is in the lock position. Pull up on the knob
to release the lock.
B. While the system is producing water, turn the Pressure Regulator clockwise to increase
pressure or counterclockwise to decrease pressure. Set the pressure to 100 PSI, then
relock the pressure knob.
STEP 7: ADJUSTING THE CONCENTRATE TO PURIFIED WATER RATIO:
If not enough concentrate is allowed to leave the system during operation, impurities will
precipitate out on the membrane surface, clogging the RO Membrane. To prevent this
from happening, the Concentrate to Purified Water Ratio
must
be checked and adjusted in
order to compensate for pressure and temperature variations that exist in all water supplies.
NOTE: This adjustment must be made at the highest feed water temperature the
system will use. The flow rate of the concentrate should be at least equal to
the product flow rate (1:1)
A. Hold both 3/8" blue and 3/8" yellow lines side-by-side and observe the flow rates.
B. Use a measuring cup and a stop watch to measure the waste and product water. Be
sure you have equal measurements and adjust accordingly.
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
the prorated Membrane Warranty.
STEP 8. After you adjust the flow rate, follow STEP 7 again, if needed, to assure that the system is
operating at 100 PSI.
STEP 9. At least 2 gallons (7.57 liters) of purified water will be discarded during this procedure
before you can collect purified water for use. Upon startup, air may be trappped in the DI
cartridges (housing may not appear full). This is a normal condition and it will not affect the
operation of the DI system.
PRESSURE
REGULATOR
SETUP PROCEDURES (continued)
