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CARTRIDGE & RO MEMBRANE CHANGE INSTRUCTIONS 

(continued)

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 

Sediment & Carbon

(2) RO Membrane

Remove the red tubing from the fitting before 

completely removing the RO membrane cartridge

Figure 3

Summary of Contents for SCALEGARD SGLP-RO

Page 1: ...Installer Please leave this manual with owner operator Installation and Operating Instructions for SCALEGARDTM LP REVERSE OSMOSIS FILTRATION SYSTEM 3MTM Water Filtration Products SGLP RO ...

Page 2: ...uring the warranty period 3M Purification Inc at it s option will replace the Product or refund your Product purchase price This warranty does not cover labor The remedy stated in this paragraph is Customer s sole remedy and 3M Purification Inc s exclusive obligation This warranty gives you specific legal rights and you may have other rights which may vary from state to state or country to country...

Page 3: ...ins 171 mg L Iron Fe 0 1 mg L Hydrogen Sulfide none allowable Feed pH 4 11 Free chlorine 2 mg L Manganese Mn 0 05 mg L Turbidity 5 NTU NOTE For waters over 10 grain hard a 3M water softener is recommended for pretreatment Consult 3M technical services for correct sizing PARTS LIST THE FOLLOWING PARTS ARE INCLUDED WITH THE SCALEGARD REVERSE OSMOSIS WATER FILTRATION SYSTEM PLEASE UNPACK THE CONTENTS...

Page 4: ...er sample valve assembly to the inlet of the Foodservice Equipment See Figure 1 5 Remove the white plug from the bottom port of the RO Module 6 Remove the red cap from the RO module and moisten the o rings with water Insert the cartridge into the filter head Be sure the ears on the cartridge line up with the spaces in the head Then turn the cartridge 1 4 turn to the right 7 Connect the 1 4 red tub...

Page 5: ... by matching the icon on the cartridge label with the icon on the head 2 Check that all plumbing connections are secure 3 Open the tank shut off valve and inlet water valve Turn on the incoming water supply or beverage booster pump if applicable and check the system for leaks If any leaks are noted turn off the water supply and or booster pump and correct the leak before proceeding If a leak is de...

Page 6: ... 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 sy...

Page 7: ...Schrader Air Valve Tank Shut Off Valve Inlet Water Valve Schrader Air Valve 3 Using a standard bicycle or automobile tire pressure gauge that is capable of reading pressure accurately from 0 10 psi Connect the air pressure gauge to the Schrader Air Valve on the water tank 4 Read the tank s air pressure 5 The air pressure should be between 8 and 10 psi 6 If the air pressure is below 8 psi or above ...

Page 8: ...k 60 23296 Tank shut off valve 30 6049 Tank banding clamp 55706 10 Prefilter cartridge 55987 20 RO module 60 232270 Inlet water valve 82 11302 3 8 blue tubing 1 ft 82 11205 1 4 red tubing 10 ft 53 52001 Flow Control Assembly 68512 03 Water Sample Valve Assembly Includes 3 8 Tee 3 8 x 1 4 Adapter and 1 4 Shut off valve 74 3560404 1 4 x 1 4 Stem x Barb Adapter 74 3560606 3 8 x 1 4 Stem x Barb Adapte...

Page 9: ...odule Flow Rate and Reject Flow Rate should be checked before replacing Module Replace RO Module The unit produces pure water slowly A dripping leak can prevent the tank from filling Drain Tank using Sample Valve with Sample Valve Open Pump Up Air Charge 8 to 10 psi Close Sample Valve Unscrew Blue Cap to Access Schrader Air Valve Repair Leak A more frequent pre filter change out schedule may be ne...

Page 10: ...7 000 450 750 ...

Page 11: ...eriden CT 06450 USA Toll Free 866 990 9785 Worldwide 203 237 5541 Fax 203 238 8701 www 3Mfoodservice com www 3Mpurification com 3M is a trademark of 3M Company INSTR4232 0912B 2012 3M Company All rights reserved Please Recycle Printed in U S A ...

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