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Copyright © Puretec Pty Ltd 2020
Reverse Osmosis User Guide
Note
: There is no need to disconnect tubing from fittings on the manifold. Remove locking bar
and pull fittings out. Lubricate O-rings with silicone prior to re-assembly.
Note
: If changing only the prefilter and post filter, the other sumps do not need to be removed.
If changing the membrane elements, the prefilter and post filter should also be changed.
6.
Remove exhausted prefilter and discard.
Caution
: The person handling the filters and membrane elements must have clean hands to
keep the system sanitized. The use of sterile/latex gloves is recommended.
7. If changing membrane elements:
a. Remove membrane sumps. Remove and discard used elements.
b. Remove new elements from packaging.
Caution
: Elements contain a food grade preservative. The use of sterile/latex gloves is highly
recommended.
c.
Lubricate element O-rings, brine seals, and sump O-rings with silicone lubricant.
Refer to “Connection Lubrication” on page 8 for correct lubrication procedure of
elements cartridge.
d. Securely insert O-ring end of elements into manifold. See Figure 13.
e. Replace sumps and tighten until it bottoms out.
Note
: The system should be sanitized whenever a membrane element or filter is replaced.
8.
Sanitize the system.
a. The manifold should be positioned flat with the sump connections facing up.
b. Pour a tablespoon (15 millilitres) of chlorine bleach into the centre opening of the
prefilter sump connection. See Figure 13.
RO Installation Guide
e. Replace sumps and tighten until it bottoms out.
NOTE: The system should be sanitized whenever a membrane
a. The manifold should be positioned flat with the sump
b. Pour a tablespoon (15 milliliters) of chlorine bleach into
the center opening of the prefilter sump connection. See
a. Remove new prefilter from packaging. Ensure gaskets are
secure. Insert prefilter into proper opening on manifold.
b. Lubricate sump O-ring with silicone lubricant.
c. With the prefilter element in place, screw the sump into
the connection. Tighten until it bottoms out.
a. To unlock the fittings from the tubing, push down on the
REPLACEMENT OF THE PREFILTER,
POSTFILTER, AND RO MEMBRANE ELEMENTS
Figure 14
Membrane Element
Locations
Prefilter Center Opening
Fig. 13
