SpectraPure
®
Inc
.
Fax 480.894.6109 Fax us toll-free 1.877.527.7873
Email: [email protected] Visit us on the web www.spectrapure.com
13
SpectraPure
®
USING THE MANUAL FLUSH VALVE:
The Flush Valve is located in parallel with the flow restrictor and, when
opened, provides a high flow bypass of waste water used to purge
concentrated brine from the membrane housing and rapidly flush any
particulates from the membrane surface. This is especially useful in hard
water conditions. Open the valve (handle in line with the body of the
valve) for 30 seconds near the end of the filling process. The Flush Valve
will operate even when the System is otherwise turned off.
BE SURE TO CLOSE THE VALVE BEFORE THE NEXT FILL CYCLE,
OTHERWISE, THE SYSTEM WILL NOT OPERATE PROPERLY.
FLOW RESTRICTORS & TEST STRIPS:
These systems are supplied with TWO Flow Restrictors (FR) - RED and
GREEN. See Page 8. The RED FR (pre-installed) produces a preset waste-
to-product ratio of 3:1 and the optional GREEN FR has a 2:1 ratio.
Two Test Strips are provided to determine the Total Hardness (this is NOT
TDS) of your tap water. To test: Dip the colored end into a small tap water
sample for 3 seconds. Remove and do not shake. Wait for 20 seconds and
then match with the closest color block on the back of the package. Color
is stable for 1 minute.
If the Total Hardness is 180 or greater, you should keep the RED FR installed.
If the Total Hardness is less than 180, you may replace the RED FR with
the GREEN FR (see “Working with Push Fittings”). Be sure to note the
orientation of the small “plug” in the end of the removed FR and install the
new FR with the same orientation.
The RED FR has a waste-to-product ratio of 3:1, which will increase the
amount of water used, but also increase the lifetime of the RO membrane.
In hard water conditions, you may use the GREEN FR to save water, but
the RO membrane will not last as long, as it will plug up with hardness
much more quickly.
