GE Merlin Installation And Maintenance Manual page 18

18 REPLACEMENT OF THE PREFILTER, POSTFILTER, AND RO MEMBRANE ELEMENTS
Rev D
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 foodgrade preservative. The use of
sterile/latex gloves is highly recommended.
C. Lubricate element O-rings, brine seals, and sump O-rings
with silicone lubricant.
D. Securely insert O-ring end of elements into manifold. See
Figure 8.
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.
Prefilter Center Opening
Membrane Element Locations
Figure 8