AmeriFlow Water Systems Inc. ET6500 Kullanıcı El Kitabı - Sayfa 10
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STEP 10 FILTER CHANGE INSTRUCTIONS
1. Sediment and Carbon Turn Filter Pac/RO module ball valve to off position. Turn tank ball
valve off. Turn on RO faucet to help de-pressurize system. Unscrew filter bowls by turning
counter-clockwise. Remove old filters and discard. Clean filter bowls if needed in warm,
soapy water. Insert new filters into appropriate filter bowls. Make sure o-ring at top of filter
bowl is clean, lubricated and seated properly when tightening. If changing the post filter, do
so now following the same procedure as the pre-filters. Follow Step 7 - System Start-Up
Procedures. Check for leaks and adjust as necessary.
2. RO Membrane Turn RO tank and water supply off. Turn on RO faucet to help de-pres-
surize system. Disconnect white tube going into membrane housing. Unscrew end cap of
membrane housing. Have a towel and a bucket handy because some water will pour out.
Pull out old membrane and clean membrane housing if necessary with warm, soapy water.
Insert new membrane in the same direction as old membrane. Push firmly up to properly
seat RO membrane. Replace end cap and reconnect white tube to membrane housing.
Follow Step 7 - System Start Up Procedures. System should be sanitized each time mem-
brane is changed. (See Recommended Sanitizing Procedures on page 9). Test TDS (Total
Dissolved Solids) rejection rates and be sure the rates are over 75%. A TDS monitor is
optional on some models and included on others. If your unit did not come with a monitor,
you can order one or seek advice from a local water treatment service company. A new
membrane should
STEP 11 RECOMMENDED SANITIZING PROCEDURE
The manufacturer recommends having your system professionally sanitized once a year. The
best time to sanitize is when changing all the filters and/or when changing the membrane.
3. Drain all water from RO tank by turning on RO faucet until water stops flowing. Follow Filter
Changing Procedures (assuring ball valve on tank and Filter Pac/RO module are in off po-
sition). Remove old pre-filters and membrane from housings. Remove the post-filter. On the
ET5000 a 3/8" union, and on the ET6000 a ¼"×3/8" reducer union,
necessary to reconnect the tubing together without the post-filter installed during sanitizing
procedures.
4. Carefully put 2 capfuls of household bleach into the empty filter bowl canisters. Re-install
filter bowls without filters.
5. Turn water supply on (open ball valve on tank and RO module) and let system fill for 4
minutes with tap water. Shut system off. Turn RO faucet on until water comes out and then
shut it off.Let entire system sit for about 30 minutes to sanitize. Then turn on RO faucet and
let system drain until empty. Turn off water supply valves and empty water in filter bowls.
Re-install filter bowls. Turn the water supply on again. Turn off faucet and let system refill
with tap water as before. Drain again. Install new filters following the Filter Change Instruc-
tions - Step 10. Follow System Start-Up Procedures Step - 7.
STEP 12 SERVICE AND MAINTENANCE RECOMMENDATIONS
All Reverse Osmosis systems require periodic maintenance to insure the continuation of water
quality. Test TDS rejection rates at least every 6 months. Changing filters is important for con-
tinuous good water quality. Filters need to be replaced at recommended intervals as old filters
may retain a considerable amount of debris and contaminants. Failure to change filters, use of
lower quality filters, or improper sanitization can dramatically reduce membrane life and water
quality. DO NOT WAIT UNTIL YOUR WATER TASTES BAD TO REPLACE YOUR FILTERS.
REMEMBER:
Most contaminants do not have a foul taste except in extreme quantities. Testing
the check valve, flow restrictor, incoming water pressure, water hardness, and TDS levels peri-
odically are important to help extend membrane life and overall water quality. Your local water
professional can easily perform these tests. Failure to follow proper maintenance instructions,
use of filters or parts other than those recommended by the manufacturer, or use of an unau-
thorized service agent may void your warranty.
9
07\15 RO Manual
CAUTION:
Be careful not to splash bleach on hands or surfaces.
(not
included), will be