Step 8: System Start-up (optional sub-steps are marked with * )
Step 8. a. Make sure that none of the tubings are kinked. Prepare a bath towel and bucket to
catch water drips.
Step 8. b. To avoid the residual carbon dust in the first three stages from getting into the RO
membrane, remove the tubing to the inlet of the RO membrane housing cap. Flush the first
three stages into a bucket until the water turns clear, and reconnect the tubing to the RO
membrane. You may do this whenever you change the first three stages. (Optional:
disconnect the storage tank if you have one)
Step 8. c. Plug in booster pump power. Turn on the Feed Water Adapter valve (AFW) and
slowly turn on the cold Water Supply Valve (WSV). Finish flushing the first 3 stages, and
then reconnect the tubing to the membrane housing cap.
Step 8. d. Check for leaks. The top 3 causes for leaks are:
1) The tubing was not fully inserted into the quick-connect fitting.
2) The O-ring was not in place or kinked.
3) The Housing/Cap was not tightened up or off threads.
Step 8. e. Turn on the RO faucet. Within 5 minutes, RO water should start dripping. Let it run
for at least 10 minutes. This flushes the system. Water could be black due to fine carbon
dust from new carbon filters (step 8.2 could be taken to expedite the flush). Following this
step will turn clear with some air bubbles. Shut off the RO Faucet. (Optional: turn on the
Tank Shut-off Valve and wait for the tank to be filled up.)
Step 8. f. If you have installed an iSpring UV stage, plug in the UV power and observe if the
RO faucet turns the UV on/off through the Flow Sensor Switch.
Step 8. g. The reverse osmosis membrane is the key part for the effective reduction of total
dissolved solids (TDS), and the produced water should be tested periodically to verify the
system is performing correctly. If the TDS of the source water is 100 ppm, the RO water
should be less than 10 ppm (Rejection rate >90%).
Step 8. h. Check for leaks daily for the first two weeks after installation. Furthermore, a tray
can be put under the system if any leaks occur, and a Flood Alarm can be used together for
better protection.
Congratulations! You have successfully installed the
iSpring Reverse Osmosis Water Filtration System!
Start enjoying the cleanest water right from your tap!
Page 11 www.123filter.com | (678) 261-7611 | support@123filter.com
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