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TGI SERIES D TGI-315 - User Manual

TGI SERIES D TGI-315
20 pages
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Model: TGI-315 3 Stage CTA RO System*
TGI-315TFC 3 Stage TFC RO System
TGI-415 4 Stage TFC RO System
TGI-525 5 Stage TFC RO System
TGI-625U 6 Stage TFC RO & UV System
TGI-625U/DX 6 Stage TFC RO & UV System, Deluxe Model
*
(NSF and WQA certification do not apply to TGI-315)*
© Copyright 2007 TOPWAY GLOBAL INC.PRINTED IN THE U.S.A.
INSTALLATION & SERVICE MANUAL
Under-the-sink Reverse Osmosis Systems
SERIES D
®
Manufactured by
TOPWAY GLOBAL, INC.
Brea, Calif. 92821 U.S.A.
System Tested and Certified by NSF International against ANSI/NSF Standard 58 for the reduction of Arsenic, Barium,
Cadmium, Copper, Cyst, Fluoride, Hexavalent Chromium, Lead, Radium 226/228, Selenium, TDS, Trivalent Chromium,
Turbidity.
System Tested and Certified by WQA against ANSI/NSF Standard 58 for the reduction of Arsenic, Barium, Cadmium, Copper,
Cyst, Fluoride, Hexavalent Chromium, Lead, Radium 226/228, Selenium, TDS, Trivalent Chromium, Turbidity.

Questions and Answers

  • A
    Alexis OdonnellAug 8, 2025
    Why is my TGI Water Filtration System producing water slowly?
    • D
      Dawn MendezAug 8, 2025
      Slow water production in your TGI Water Filtration System can occur due to several reasons: * Low water pressure: Consider adding a booster pump. * Crimps in the tubing: Ensure that all tubing is straight and free of kinks. * Clogged prefilters: Replace the prefilters. * Fouled membrane: Replace the membrane.
  • M
    Marisa EverettAug 13, 2025
    What to do if water from TGI Water Filtration System tastes or smells bad?
    • A
      Alejandra GutierrezAug 13, 2025
      If the water from your TGI Water Filtration System has an offensive taste or smell, the following could be the cause: * The post carbon filter is depleted: Replace the post carbon filter. * The membrane is fouled: Replace the membrane. * Sanitizer was not completely flushed out: Drain the storage tank and refill it overnight.
  • T
    Tamara MorrisonAug 17, 2025
    Why is my TGI Water Filtration System leaking?
    • T
      tgilbertAug 17, 2025
      Leaks in your TGI Water Filtration System can be attributed to: * Fittings not tightened properly: Tighten the fittings as necessary. * A twisted O-ring: Replace the O-ring. * Misalignment of the hole in the drain saddle: Realign the drain saddle.
  • Z
    zunigatheodoreAug 21, 2025
    What to do if there is a noise from the faucet of my TGI Water Filtration System?
    • K
      Kevin GravesAug 21, 2025
      The noise from the faucet in your TGI Water Filtration System could be due to: * Air gap faucet: The noise should disappear after the system shuts down. * Location of the drain saddle: Relocate the drain to above the water trap. * Restriction in the drain line: Check for blockages, which are sometimes caused by debris from the garbage disposal or dishwasher.
  • M
    Mark HaynesAug 26, 2025
    What to do if my TGI Water Filtration System produces a small amount of water?
    • K
      Kara BrownAug 26, 2025
      A small amount of water from the storage tank of your TGI Water Filtration System can be due to: * The system is just starting up: It normally takes 2-3 hours to fill the tank. * Low air pressure in the storage tank: Add pressure to the storage tank. The pressure should be 8-10 psi when the tank is empty.
  • A
    Allison RobertsAug 30, 2025
    Why is the water from my TGI Water Filtration System milky colored?
    • C
      Cassandra StantonAug 30, 2025
      Milky colored water from your TGI Water Filtration System is typically due to air in the system. This is a normal occurrence during the initial startup of the RO system and should disappear with normal use within 1 to 2 weeks.
  • A
    Angela BaileySep 3, 2025
    What to do if there is no drain water from my TGI Water Filtration System?
    • T
      Tiffany OlsenSep 3, 2025
      If there is no drain water from your TGI Water Filtration System, the flow restrictor may be clogged. Replace the flow restrictor to resolve this issue.

TGI SERIES D TGI-315 Specifications

General IconGeneral
ModelTGI-315
Model NumberTGI-315
CategoryWater Filtration Systems
Operating Temperature40-100°F
Flow Rate15 GPM
Filter MediaActivated Carbon
Dimensions10" x 54"

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