Purenex 6-Stage 75 GPD UV Ultra Violet Reverse Osmosis RO Water System - Manual (Page 11)

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.... MAINTATENANCE MAINTATENANCE MAINTATENANCE MAINTATENANCE
To ensure the system operate at its optimum level, certain routine maintenance must be performed. Frequency of
maintenance performance will depend on feed water quality and level of system usage.
* Change PP spun fiber filter as required or every 3 to 6 months depending on raw water quality and
consumption.
* Change Granular Carbon Filter and Block Carbon Filter every 6 to 12 months.
* Change RO membrane as required or every 24 to 36 months.
* Change Post Carbon Filter every 6 to 12 months.
* If you are not going to use the system for a long time (you are on a holiday, tour, etc.), please make sure that
you disconnect the power supply, turn off the raw water supply and drain the tank.
1. 1. 1. 1. Change Change Change Change the the the the filter filter filter filter cartridges. cartridges. cartridges. cartridges.
1.1. 1.1. 1.1. 1.1. Prepare the wrench.
1.2. 1.2. 1.2. 1.2. Close the Feed Water Valve.
1.3. 1.3. 1.3. 1.3. Close the Tank ball valve.
1.4. 1.4. 1.4. 1.4. Take the housing away
from the RO Unit by
wrench.
1.5. 1.5. 1.5. 1.5. Change the filter cartridges.
1.6. 1.6. 1.6. 1.6. After finish changing the
cartridges, can product the
pure water again.
2. 2. 2. 2. Change Change Change Change the the the the Membrane. Membrane. Membrane. Membrane.
2.1. 2.1. 2.1. 2.1. Close the Feed Water Valve.
2.2. 2.2. 2.2. 2.2. Close the Tank ball valve.
2.3. 2.3. 2.3. 2.3. Revolve the hexangular screw,
and take it away.
2.4. 2.4. 2.4. 2.4. Take the Cover away from
the Membrane housing by
wrench.
2.5.
2.5. 2.5. 2.5. Take out the Membrane
from the Membrane housing.
2.6.
2.6. 2.6. 2.6. Put the New Membrane
into the Membrane housing.