5900e Greensand Filter Installation & Startup Guide
Page 14
www.cleanwaterstore.com
Rev 082216
Initial Backwash:
1
If days remaining is not already at 1 press and hold the Set/Change button. Now, press and
hold the set change button again, until the valve begins the backwash cycle and the display
reads 1 – 10. Now, proceed to step two.
2
Start to put the valve into the service position by turning inlet the bypass knobs counter-
clockwise about a quarter inch, until you can hear water passing through the bypass into
the filter. Stop and wait until you see water coming out of the drain line. It will often be
mixed with air bubbles, but we will want to get all of that air out. When you do not see
bubbles anymore, keep opening the valve, a little bit at a time, stopping for a minute or two
each time. You want to see a corresponding increase in flow out of the drain line as you
increase the flow of water into the filter. After several minutes, you should have the valve
fully open, and with no media coming out. The water may appear milky white.
3
Verify that the backwash flow corresponds with the size of your system below. You can
easily run the drain hose to a bucket and using a watch verify the flow rate in gallons per
minute. An adequate backwash is critical to properly clean the Greensand media and
prevent it from cementing together.
4
Once the water is clear, press and hold the Set/Change button, and after 3 seconds the
valve will start to advance to the “Rinse” position. Once again, allow the water to flow for
about five minutes or until the water is clear.
5
Press and hold the Set/Change button advance to the “Service” position. Next, open the
outlet on the bypass valve and then open the nearest treated water faucet to the unit and
allow the water to run until it is clear. We advise using a bathtub, laundry sink, or other
fixture that does not have an aerator screen as any remaining residue may get caught in the
screen.
Congratulations, you are done setting up your valve!
0.75 CF
5 GPM
2.0 CF
7 GPM
1.0 CF
5 GPM
2.5 CF
10 GPM
1.5 CF
5 GPM
3.0 CF
12 GPM
