tubing over the stem of the compression fitting can sometimes be difficult as the tubing needs to stretch
over it, if you are having trouble, you can run the end of the tubing under warm water (not hot) to help
soften the tubing. The below diagram demonstrates how this it to be installed.
System Installation/Start-Up
I. Pre-Flushing
To pre-flush the filter, firstly plug the tubing joining the inlet valve to the inlet port of the system. Turn on the
inlet feed water to maximum, this will flush the system. For more thorough/quick flushing, disconnect the
outlet of the carbon filter where the white tubing plugs into the end cap of the RO membrane and aim the
hose into the sink. This will flush the filter at full speed/pressure rather than the slow speed of the RO
membrane.
Note: As this system is a DI unit, it is ideal to disconnect the DI cartridge while the membrane is flushing
(approx. 30 mins of flushing or until the ‘In’ TDS reading reduces to a stable acceptable level). Once the
membrane has adequately flushed, you can reconnect the yellow tubing to the final stage DI filter.
II. Tubing Connections
Following the above flushing process, check your systems fittings and tubing to ensure everything looks
sound; there are no kinks, damaged fittings or tubing that is not plugged in. Connect the inlet filter to the
inlet side of the membrane (screw cap end). You should have 2 lengths of tubing that are only connected at
one end, these lines will be your drain line (waste water) which is connected to the inline valve marked
‘Drain Line’ (Black Tubing) or Flow 400/600. The other line will be the Aquarium water line which is the
finished product water (Blue Tubing). Once all tubes are accounted for and everything is in order, start-up
can commence.
III. Initial Start-Up
For the first run, allow both the waste and Aquarium water lines to flow to waste into a sink. Turn on the
inlet water to the system on full pressure/flow. The Drain line will begin to flow almost straight away which is
normal, you may notice some slight discolouration. The Aquarium water line will take longer to begin
flowing, this is due to the water slowly making its way through the membrane filling the filter cannisters as it
goes. 3 Stage systems generally start flowing within a few minutes. This will only happen on first use until
the system is wetted, additional start ups should begin flowing relatively quickly from when the inlet it turned
on.
If you have completed flushing of ALL filters as mentioned in the Pre-Flushing Section, you will only need to
run your filter system for about 5 – 10 minutes.
