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RainSoft EC4 75 V - User Manual

RainSoft EC4 75 V
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The EC4 series is tested and certified by the WQA to NSF/ANSI 44 for the specific
performance claims as verified and substantiated by test data. See the performance
data sheet for specific reduction claims.
The EC4 series is tested and certified by WQA to NSF/ANSI 372 for “lead free”
compliance. The EC4 series is tested and certified by WQA to CSA B483.1 Standard.
Part No.: 50038
Rev: B 10/20
Rainsoft Division of Aquion, Inc
101 S. Gary Ave
Roselle, Illinois 60172
1.847.437.9400 or 1.800.860.7638
www.rainsoft.com
is product is manufactured in an ISO 9001certified facility.
CU
S
The EC4 series is tested and certified by NSF International to
NSF/ANSI Standard 44 and CSA B483.1 for the reduction of
the claims specified on the Performance Data Sheet.
EC4 SERIES
WATER TREATMENT SYSTEM
GENERATION 6 OF CONTROLS

Questions and Answers

  • C
    christensenchristineAug 4, 2025
    Why is the water quality poor with my RainSoft Water Filtration System?
    • A
      Aaron MontoyaAug 4, 2025
      If you're experiencing poor water quality with your RainSoft Water Filtration System, there could be several reasons: * The raw water source may have changed, requiring a new water analysis from your RainSoft dealer. * The bypass valve might be open, so ensure it is closed. * The power supply could be disconnected, in which case you should plug it in.
  • S
    Stacie ElliottAug 8, 2025
    Why does my RainSoft Water Filtration System regenerate at the wrong time?
    • K
      Katherine RiveraAug 8, 2025
      If your RainSoft Water Filtration System regenerates at the wrong time, here are a few potential causes: 1. The computer may not be set correctly. In this case, reset the time of day/hour of regeneration. 2. Daylight savings time may have thrown off the time. Verify that auto daylight savings time is set to “ON.” 3. The maximum system capacity may have been exceeded. Limit water usage until the regeneration is complete.
  • J
    james33Aug 13, 2025
    What to do if my RainSoft Water Filtration System fails to use salt?
    • C
      Caitlin DominguezAug 13, 2025
      If your RainSoft Water Filtration System fails to use salt, it could be due to several reasons. The drain line might be plugged or restricted, so check the water flow to the drain and inspect for any crimps in the line. You can contact your RainSoft Dealer for service. The injector could also be plugged, or there might be low inlet pressure. Insufficient water in the brine tank could also be the cause, so contact your RainSoft Dealer for service.
  • J
    Joshua KennedyAug 17, 2025
    Why does my RainSoft Water Filtration System fail to regenerate automatically?
    • K
      knoxcrystalAug 17, 2025
      If your RainSoft Water Filtration System fails to regenerate automatically, it could be due to a couple of reasons. First, the power supply might be plugged into an intermittent or dead power source. Try connecting it to a constant power source. Second, the system might not be counting gallons, in which case you should call your RainSoft Dealer for service.
  • J
    Jessica MonroeAug 21, 2025
    What to do if there is excessive water in the brine tank and/or salty water with my RainSoft EC4 75 V?
    • A
      Anita FarrellAug 21, 2025
      If there's excessive water in the brine tank or salty water in your RainSoft system, the drain line might be plugged or restricted. Check the water flow to the drain and look for any crimps in the drain line. For further assistance, contact your RainSoft Dealer for service. Alternatively, the brine valve could be dirty, or there might be low inlet pressure. The injector could also be plugged; in any of these cases, it's best to contact your RainSoft Dealer for service.
  • J
    Jamie SantiagoAug 26, 2025
    What to do if I have loss of water pressure with my RainSoft EC4 75 V Water Filtration Systems?
    • J
      Joseph WeeksAug 26, 2025
      If you experience a loss of water pressure with your RainSoft Water Filtration System, it may be due to low pressure to the unit. Bypass the system to check. If the problem persists after bypassing, it is not related to the RainSoft product. Check your water distribution system. If the problem is resolved after bypassing, call your RainSoft Dealer for service.
  • L
    Luis RobinsonAug 29, 2025
    How to fix constant flow to the drain in RainSoft EC4 75 V?
    • A
      Adam BrewerAug 29, 2025
      If there is a constant flow to the drain in your RainSoft system, it could be due to foreign material in the valve, in which case you should call your RainSoft Dealer to clean the valve. Another potential cause is excessive water pressure, which can be resolved by installing a pressure regulator.

Summary

Operational Specifications

Installation Instructions

Safety Precautions and Raw Water Testing

Essential safety guidelines and initial assessment of raw water quality.

Water Pressure and Site Selection Criteria

Ensuring correct water pressure and choosing an appropriate installation location.

Installing the Valve Head Assembly

Step-by-step guide to attaching the control valve to the tank.

Plumbing Connections and Water Drainage

Procedures for safely draining plumbing and making water line connections.

System Start-Up and Initial Flushing

Procedures for turning on water, checking for leaks, and flushing the system.

Post-Installation Flushing and Salt Loading

Flushing the hot water heater and adding salt to the brine tank.

Salt Requirements

Maintenance Requirements

An Overview of the Regeneration Process

Understanding the Regeneration Cycle Stages

Explanation of the five stages of the regeneration process for the water conditioner.

Customer Setting Flowchart

Customer Settings

System Alarms

Info Center Overview

Troubleshooting Guide

Diagnosing and Resolving Common System Issues

A guide to common symptoms, their causes, and recommended solutions.

RainSoft EC4 75 V Specifications

General IconGeneral
BrandRainSoft
ModelEC4 75 V
CategoryWater Filtration Systems
LanguageEnglish

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