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5 Gallon Foam Unit Operation Manual FI-5N READ ALL INSTRUCTIONS BEFORE USING OR SERVICING THIS UNIT. KEEP THIS MANUAL IN A LOCATION THAT IS READILY AVAILABLE TO USERS AND SERVICE TECHNICIANS. Scan this code for English (Original Instructions) operation manual...
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Always flush the unit with fresh water thoroughly when switching from an alkaline to an acid or an acid to an alkaline. Model: FI-5N V20230929 • Page 2 of 8...
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If needed, install an air dryer before the unit. PROTECT THE ENVIRONMENT Please dispose of packaging materials, old machine components, and hazardous fluids in an environmentally safe way according to local waste disposal regulations Model: FI-5N V20230929 • Page 3 of 8...
2-2.3 gal/min (7.6-8.7 l/min) Pump seals Santoprene, Viton, or Kalrez Wheel type Two 4 inch (10.2 cm) non-marking wheels *Flow rates given are based on chemical with viscosity of water and factory air pressure settings. Model: FI-5N V20230929 • Page 4 of 8...
Product Components Get to know the FI-5N components that you will need to use, adjust or assemble. Back plate assembly • Inside view 1. In-line strainer 2. Quick-change pump 3. Needle valve 4. Air regulator 5. Air pressure gauge 6. Check valve 7.
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Front view Back view 9. Handle 10. Solution tank 11. Cap 12. Discharge wand 13. Discharge ball valve 16 15 14. Discharge hose 14. Discharge wand 15. Needle valve 16. Air fitting Model: FI-5N V20230929 • Page 6 of 8...
9. Open discharge ball valve to relieve remaining pressure. 10. Close ball valve after all pressure has been relieved. Store unit with discharge ball valve closed. 11. Before using unit with another chemistry, thoroughly flush with water. Model: FI-5N V20230929 • Page 7 of 8...
To service your unit, refer to the service manual which includes: • Troubleshooting procedures. • Detailed parts breakdowns and illustrations. • Part numbers of serviceable components and assemblies. Scan this code for service manual Model: FI-5N V20230929 • Page 8 of 8...
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5 Gallon Foam Unit Service Manual FI-5N READ ALL INSTRUCTIONS BEFORE USING OR SERVICING THIS UNIT. KEEP THIS MANUAL IN A LOCATION THAT IS READILY AVAILABLE TO USERS AND SERVICE TECHNICIANS. Scan this code for English (Original Instructions) service manual...
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Always flush the unit with fresh water thoroughly when switching from an alkaline to an acid or an acid to an alkaline. Model: FI-5N V20230929 • Page 2 of 12...
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• Crescent wrench (2x) • #2 Phillips head screwdriver • ⁷/16 in. (11 mm) open-ended wrench • #3 Phillips head screwdriver • Flat head screwdriver • Hose cutters • Thread seal tape • Knife Model: FI-5N V20230929 • Page 3 of 12...
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6. Replace the mixing mesh and screen into the back of the tee. Screw the stainless hose barb back into the tee. NOTE: It is recommended to use a pipe thread sealant when reinstalling the stainless hose barb back into the tee fitting. Model: FI-5N V20230929 • Page 4 of 12...
Wheel - polypro - for CST5SS and 9 CST5-WHL CST5SS-L Flat washer for 3/8-16 bolt - 10 FW3816 stainless - 0.41 in. id x 0.88 in. od x 0.05 in. thk CSTA-5WHL Model: FI-5N V20230929 • Page 5 of 12...
- 20 mesh SS - black bowl ¼ in. blue hose - hybrid TPE - 9 H14BL-F available per ft. ⅜ in. blue hose - hybrid TPE - 10 H38BL-F available per ft. Model: FI-5N V20230929 • Page 6 of 12...
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Stainless steel union - ¼ in. FPT Water separator - 20 CFM - ¼ in. FPT 9 WS-20CFM ports Air fitting ¼ MPT x plug - nickel-plated 10 AP14 brass WSA-20CFM* *Optional assembly sold separately Model: FI-5N V20230929 • Page 7 of 12...
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Item number Description Stainless tee ½ FPT ⅜ barb - no 6 SST12HB38 mixing material Mixing material assembly - 7 MXA- PF includes stainless mesh and screen NVA-NV14-PF SST12HB38A-MX Model: FI-5N V20230929 • Page 8 of 12...
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Bulkhead adapter - stainless - ¼ NPT 10 SSA14BKH x ¼ NPSM 11 SSSFN12 Serrated flange nut - stainless - ½ in. Air fitting ¼ MPT x plug - nickel- 12 AP14 plated brass RGA-R25-PF Model: FI-5N V20230929 • Page 9 of 12...
Stainless screw band clamp for ⅜ in. 3 SSC38 hose ⅜ in. blue hose - hybrid TPE - available 4 H38BL-F per ft. 5 HBSS1238 Stainless hose barb ½ MPT x ⅜ barb SCTNA-PF-TNK5 Model: FI-5N V20230929 • Page 10 of 12...
* Additional colors available, see datasheet for options. AKSS12: Stainless anti-kink spring for ½ in. hose Item number Description 4 AKSS12 Stainless anti-kink spring for ½ in. hose AKSS12 HA12BL-20 Model: FI-5N V20230929 • Page 11 of 12...
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Stainless hex nipple ½ MPT x ½ MPT 14 BVSS12 ½ in. stainless ball valve - welded nut 15 HBSS1212 Stainless hose barb ½ MPT x ½ barb 16 SSC12 Stainless screw band clamp for ½ in. hose Model: FI-5N V20230929 • Page 12 of 12...
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