Cuno SCALEGARD SGLP-RO, User Manual

4

Cartridge & RO Membrane Change Instructions

Cartridge (Replace every 6 months)

1. Close tank shut-off and inlet valves (see Fig. 1).
2. Turn used prefilter cartridge 1/4 turn to the left.
3. Pull down on cartridge.
4. Discard used cartridge.
5. Remove red cap from new cartridge and

moisten the o-ring with water.

6. Insert new cartridge into the filter head. Be

sure that the ears on the cartridge line up with
the spaces in the head.

7. Turn new cartridge 1/4 turn to the right.
8. Open tank shut-off and inlet valves (see Fig. 1).
9. Check for leaks.

Flush Instructions

1. Close tank valve.
2. Open Water Sample Valve and divert to drain

for 5 minutes.

3. Close Water Sample Valve and open tank

valve.

Note: Be sure to install the cartridge into the
proper head by matching the icon on the
cartridge label with the icon on the head.

Membrane (Replace every 36 months)

1. Close tank shut-off and inlet valves (see Fig. 1).
2. Turn used RO module cartridge 1/4 turn to the

left.

3. Pull down on cartridge.
4. Remove the red tubing from the fitting (refer to

Figure 3).

5. Discard used cartridge.
6. Remove red cap from new module and

moisten the o-ring with water.

7. Remove the plug from the RO Module.
8. Insert the red tubing from Step 4 into the new

module.

9. Insert of new cartridge into the filter head. Be

sure that the ears on the cartridge line up with
the spaces in the head.

10. Turn new cartridge 1/4 turn to the right.
11. Open sample valve and divert to drain.
12. Open inlet valve and allow system to run for

30 minutes.

13. Flush membrane — follow steps 4 to 9 under

system start up instructions.

Note: Be sure to install the cartridge into the
proper head by matching the icon on the
cartridge label with the icon on the head.

(1) Prefilter 

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(2) RO Membrane

Remove the red tubing from the fitting before 
completely removing the RO membrane cartridge

Figure 3