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8.1 Make sure no tubings are kinked. Turn the Tank Shut-off Valve OFF (perpendicular to the
yellow tube). Place a towel under the system to catch any possible water leaks.
8.2 To prevent any residual carbon from the carbon pre filters from getting into the RO membrane, you
previously left the tubing to the inlet of the RO membrane housing cap disconnected. Open the
Feed Water Adapter Valve (AFW43) and Cold Water Supply Valve (CWSV), and flush the first
three stages into a bucket until the water turns clear.
8.3 Once the water is clear, shut off the AFW43 and reconnect the tubing to the RO membrane housing
cap. You will want to flush the first three stages like this whenever they are changed.
8.4 Open the RO faucet. Slowly open the AFW43 back up and check for any leaks. The top 3 causes
of leaks are 1) The tubing is not fully inserted into the quick-connect fitting. 2) The O-ring is
not in the correct place or is kinked. 3) The Housing/Cap is not tightened properly or is
misaligned with the threads.
8.5 Within 5 minutes, the booster pump will kick on and RO water will start slowly trickling from the
faucet. Let the faucet trickle for at least 15 minutes to flush out the entire system apart from the
tank. The water may appear black at first due to loose carbon from new carbon filters. It will
eventually turn clear apart from many tiny air bubbles leaving the system.
8.6 Shut off the RO Drinking Faucet. Open the Tank Shut-off Valve. Wait for the tank to fill up
completely. It will take 1 to 2 hours depending on your water temperature (40F-100F, the warmer
the faster) and source water TDS (up to 750 ppm, the lower the faster). The pump will shut off
automatically when the tank is full.
8.7 After the tank is full, open the RO Drinking Faucet to drain the tank completely. Do not use the
first tank of water. Let it drain into the sink until the stream turns back to a trickle. This means the
tank has emptied and you can close the RO faucet to let it begin filling again.
8.8 * If your system has a UV filter, plug in the UV power and check to make sure the UV light is
turning on when water flows through it. The UV filter has a Flow Sensor Switch that detects water
flow and only turns the light on when needed. If the UV is not turning on when water flows through,
confirm the power source you are using has power. Typically the garbage disposal outlet only has
power when the disposal is switched on.
8.9 The TDS (total dissolved solids) of the water should be tested periodically to verify that the system
is performing properly. TDS is measured with a TDS meter - it is an inexpensive, easy to use
device that can be found on Amazon.com or 123filter.com by searching “iSpring TDS”.
8.10 Check for leaks daily for the first two weeks after installation to ensure the system is functioning
properly. Install the included Flood Alarm to provide additional peace of mind and protection.
Congratulations, you have successfully installed your
iSpring Reverse Osmosis Water Filtration System!
Start enjoying fantastic reverse osmosis water right from your tap!
-------------------------------------End of Installation Section------------------------------------
Page 13 www.123filter.com | (678) 261-7611 | [email protected]
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