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WaterGroup E75TFC-3 - User Manual

WaterGroup E75TFC-3
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Reverse Osmosis
Drinking Water System
Installation, Operation and Service Manual
#90012 Rev. 06/05
June - November 2005

Questions and Answers

  • B
    Brandon ShepardAug 1, 2025
    What to do if there is no water or not enough water from my WaterGroup Water System?
    • H
      Heidi CookAug 1, 2025
      If you're experiencing no water or not enough water from your WaterGroup Water System, there are several potential causes: * The feed water might be shut off. Ensure it is turned on. * The storage tank valve could be closed. Make sure it's open. * Lines may be plugged or crimped. Remove any blockages or crimps. * The pre-filter cartridge might be clogged. Replace it. * Feed water pressure might be low. The pressure at the membrane must be at least 50 psi.
  • T
    Timothy MooreAug 7, 2025
    Why is the product water TDS high in my WaterGroup Water System?
    • S
      Sherry MccormickAug 7, 2025
      If you notice a high TDS (Total Dissolved Solids) in your WaterGroup Water System's product water, here's what might be happening and how to address it: * The filters may not be sufficiently flushed. To resolve this, draw approximately 5 gallons (about 2 full tanks) from the spigot to properly flush the filters. * There could be an increase in the feed water TDS. Contact your dealer to discuss the revised product water TDS. * The membrane life might be expired. If this is the case, replace the membrane.
  • A
    Allison ReynoldsAug 12, 2025
    How to fix low flow rate from the faucet of WaterGroup E75TFC-3?
    • B
      bwhiteAug 12, 2025
      If you're experiencing a low flow rate from the faucet of your WaterGroup Water System, here's what could be causing it: * Low air pressure in the storage tank. Increase the air pressure to 7 psi after draining the product water from the storage tank. * The storage tank valve is partially closed. Open the tank valve completely.
  • B
    Brandon BaldwinAug 18, 2025
    Why does my WaterGroup E75TFC-3 water taste bad?
    • J
      Joseph MartinAug 19, 2025
      If your WaterGroup Water System is producing bad tasting water, consider the following: * The taste might be coming from glass or plastic containers. Contact your dealer for an explanation. * The post carbon filter cartridge may be exhausted. Replace the post carbon filter cartridge. * The storage tank and/or system may be contaminated. Contact your dealer for assistance. * The membrane life might be expired. Replace the membrane.
  • S
    Sarah PrestonAug 25, 2025
    What to do if my WaterGroup E75TFC-3 makes cloudy ice cubes?
    • D
      Daniel GuerraAug 26, 2025
      Cloudy ice cubes from your WaterGroup Water System can be attributed to: * Cloudy water. See the troubleshooting steps for cloudy water. * Certain ice cube shapes trapping dissolved air. Larger, more squared-off cubes tend to be clearer, while smaller, rounded cubes are cloudier. Try changing the ice cube mold shape, making cubes manually if using an automatic ice cube maker, and letting the water stand to release dissolved air before freezing.

Summary

Important Warning - Please Read

System Flushing

Flush preservative solution to prevent ingestion issues, using about 5 gallons of water.

Feed Water Quality

Use only microbiologically safe water; test if quality is unknown before using the system.

Introduction

Application Guidelines

Specifications

Functional Description

Supplied Item Checklist

Installation

Verify Water Supply is Potable

Ensure the water supply meets provincial/state/national standards for drinking water.

Placement of Components

Position system parts for easy access for servicing and installation.

Spigot

Proper faucet placement for a no-splash waterfall pattern into the sink.

Storage Tank

Place tank for easy removal and good accessibility to maintain flow rate.

Quick Connect Fittings

Instructions on preparing tubing and inserting it into quick connect fittings for secure connections.

Installation of Feed Water Assembly

Step-by-step guide to installing the saddle-type valve on the cold water supply line.

Installation of Drain Saddle Assembly

Guide for attaching the drain saddle to the sink drain pipe, ensuring proper placement and seal.

Installation of Ball Valve Assembly

Instructions for installing the ball valve and quick connect adapter onto the RO storage tank.

Drilling Sink Hole

Procedure for drilling a hole in the sink for the spigot, including pilot holes and enlargement.

Installation of Air Gap Faucet

Steps for attaching the air gap faucet, including washers, Teflon tape, and adapter.

Installation of Spigot

Refers to separate instructions for the specific spigot installation.

Installation of Membrane

Procedure for carefully installing the RO membrane into its housing without contamination.

Connecting Components

Connecting the various tubes from filters, spigot, and tank to ensure proper water flow.

Start-Up Procedure

Maintenance Schedule

Changing Filters

Instructions on how to change filter cartridges using the sump wrench, including cleaning housings.

Sanitization Procedures for your Reverse Osmosis System

Sanitization Steps

Detailed step-by-step guide for sanitizing the RO system using a bleach solution.

Reverse Osmosis Drinking Water System Maintenance Record

Parts List and Drawing - Models E(50 & 75) TFC-3 SF

Parts List and Drawing - Model E35 TFC-2 SF

Reverse Osmosis Drinking Water System Flow Diagram (all models)

Trouble Shooting Guide

Warranty

WaterGroup E75TFC-3 Specifications

General IconGeneral
BrandWaterGroup
ModelE75TFC-3
CategoryWater System
LanguageEnglish

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