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ECOPURE EP31 - User Manual

ECOPURE EP31
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7373080 (Rev. B 9/1/18)
Manufactured and warranted by
Ecodyne Water Systems
1890 Woodlane Drive
Woodbury, MN 55125
Systems tested and certified by NSF International
against NSF/ANSI Standard 44
for hardness reduction and efficiency,
and certified to NSF/ANSI Standard 372.
Installation and Operation Manual
If you have any questions or concerns when
installing, operating or maintaining your water
softener, call our toll free number:
1-800-693-1138
or visit www.ecopure.com
When you call, please be prepared to provide
the model and serial number of your product,
found on the rating decal, located on the rim
below the salt lid hinges.
PRODUCT AND WARRANTY
REGISTRATION
Register your product
online to validate and
extend your warranty.
See warranty page for
details.
www.ecopure.com
How to install, operate
and maintain your Demand
Controlled Water Softener
Models
EP31 & EP42
Systems tested and certified by the
Water Quality Association against CSA B483.1.

Questions and Answers

  • E
    Edward WilliamsAug 22, 2025
    Why ECOPURE Water Dispenser salt level is not dropping and no soft water is produced?
    • A
      Albert MillerAug 22, 2025
      If your ECOPURE Water Dispenser isn't producing soft water and the salt level isn't dropping, it could be due to: * A salt storage tank “bridged”. Refer to the “Breaking a Salt Bridge” section to break it. * Bypass valve(s) in “bypass” position. Move the bypass valve(s) to the “service” position.
  • C
    Craig BensonAug 26, 2025
    What to do if ECOPURE Water Dispenser shows error code E1, E3 or E4?
    • J
      johnsonheatherAug 26, 2025
      If your ECOPURE Water Dispenser displays error code E1, E3, or E4, the issue may be: * A fault in the wiring harness or connections to the position switch. Replace the wiring harness or connections to the position switch. * A fault in the switch. Replace the switch. * A fault in the valve causing high torque. Replace the rotor/seal. * The motor is inoperative. Replace the motor.
  • T
    Theresa WilsonAug 31, 2025
    How to fix iron in water with ECOPURE Water Dispenser?
    • H
      Heather GilbertAug 31, 2025
      If you have iron in your water when using the ECOPURE Water Dispenser: * If there is clear water iron in the water supply, test untreated water for hardness and iron, and program the water softener accordingly. * If there is iron in the soft water, clean the resin bed with Resin Bed Cleaner, following the instructions on the package. * If there is bacterial or organic bound iron, it cannot be treated by a water softener.
  • S
    Susan SmithSep 3, 2025
    What does error code E5 mean on ECOPURE Water Dispenser?
    • K
      kathleen70Sep 3, 2025
      If your ECOPURE Water Dispenser displays error code E5, it indicates an electronic control malfunction. Replace the electronic control board.
  • S
    Sara SmithSep 6, 2025
    How to resolve motor stalled or clicking with ECOPURE Water Dispenser?
    • L
      Leslie StephensSep 6, 2025
      If the motor of your ECOPURE Water Dispenser is stalled or clicking, it could be due to: * Motor malfunction or an internal valve fault causing high torque on the motor. Replace the rotor/seal and/or replace the motor & switch.
  • R
    ronald94Sep 9, 2025
    How to fix ECOPURE Water Dispenser when resin is in household plumbing?
    • M
      Maria HesterSep 9, 2025
      If you find resin in your household plumbing when using the ECOPURE Water Dispenser, it is likely due to a crack in the distributor or riser tube. Replace the resin tank assembly.
  • S
    Samantha RobertsSep 10, 2025
    Why ECOPURE Water Dispenser shows no soft water and the display is blank?
    • A
      acampbellSep 12, 2025
      The ECOPURE Water Dispenser might show no soft water and a blank display due to several reasons: * The power supply might be unplugged, the power cable disconnected, or the power supply may have malfunctioned. Check for power loss, correct it, reset the electronic controls, and then use the RECHARGE NOW feature. * A fuse might be blown, a circuit breaker popped, or a circuit switched off. Replace the fuse, reset the circuit breaker, or switch the circuit on, and then use the RECHARGE NOW feature. * The electronic control board might have malfunctioned. In this case, replace the electronic control board.
  • J
    John PearsonSep 12, 2025
    How to fix ECOPURE Water Dispenser salt storage tank leaking?
    • C
      Christine SmithSep 12, 2025
      If the salt storage tank of your ECOPURE Water Dispenser is leaking, it's likely due to a crack in the brine tank. Replace the salt storage tank assembly.
  • K
    karen79Nov 15, 2025
    What to do if ECOPURE Water Dispenser provides water hard sometimes?
    • R
      Randy MclaughlinNov 15, 2025
      If your ECOPURE Water Dispenser provides hard water sometimes, consider the following: * The time might be set incorrectly. Check and change the time setting. * The water hardness might be set incorrectly. Refer to the “Set Water Hardness” section to set it correctly. * The model code might be programmed incorrectly. Refer to the “Program the Water Softener” section to set it correctly. * Hot water might be used when the softener is regenerating. Avoid using hot water while the softener is regenerating, as the water heater will fill with hard water. * There might be a possible increase in water hardness. Test untreated water for hardness and iron, and program the water softener accordingly. * There might be a leaking faucet or toilet valve, or excessive water usage. Fix all le...
  • A
    Allen BrownNov 27, 2025
    What causes ECOPURE Water Dispenser to have no soft water and the salt storage tank full of water?
    • L
      Linda KnappNov 27, 2025
      If your ECOPURE Water Dispenser has no soft water and the salt storage tank is full of water, with water running to drain during the soft water cycle, it could be due to: * A dirty, plugged, or damaged nozzle & venturi assembly. Take apart, clean, and inspect the nozzle & venturi. * An inner valve fault causing a leak. Replace the seals and rotor. * A plugged valve drain hose. Ensure the hose has no kinks, sharp bends, or any water flow blockage. * The valve drain line and Salt Storage Tank overflow drain connected together by a tee. Disconnect the tee and run separate drain lines. * Low or high system water pressure. If pressure is low, increase well pump output to a minimum 20 psi. If daytime pressure is over 100 psi, add a pressure reducing valve in the supply pipe to the sof...

Summary

Specifications & Performance Claims

Dimensions

Physical dimensions of the water softener unit.

Safety Guides

Essential safety precautions and guidelines for installation and operation.

Inspect Shipment

Water Conditioning Information

Explains how the softener conditions water, focusing on iron and sediment.

Installation Requirements

Location Requirements

Guidelines for choosing an optimal and safe installation location.

Plumbing Codes

Adherence to national, state, and local plumbing codes for installation.

Air Gap Requirements

Proper air gap setup for drain connections to prevent backflow.

Valve Drain Requirements

Specifics on connecting the drain hose, including rigid drain options.

Inlet; Outlet Plumbing Options

Options for connecting the softener to the water supply using bypass valves.

Installation Instructions

Turn Off Water Supply

Procedures for safely shutting off the water supply before installation.

Assembly

Assembling the softener, including attaching the bypass valve.

Move the Unit Into Place

Instructions for safely positioning the softener on a level surface.

Complete Inlet and Outlet Plumbing

Detailed instructions for connecting inlet and outlet water pipes.

Cold Water Pipe Grounding

Instructions for grounding the cold water pipe for electrical safety.

Install Valve Drain Hose

Connecting the drain hose and ensuring proper air gap.

Install Salt Storage Tank Overflow Hose

Connecting the overflow hose for the salt storage tank.

Test for Leaks

Procedures to check the system for leaks after installation.

Sanitize the Water Softener

Steps to sanitize the unit after installation to prevent bacteria.

Add Water and Salt to the Salt Storage Tank

Instructions for filling the brine tank with water and salt.

Plug In the Power Supply

Connecting the power supply to the softener.

Program the Controller

Initial setup of the controller for basic operation.

Restart the Water Heater

Instructions for restarting the water heater after softener installation.

Programming the Water Softener

Low Salt;Clean Light

Understanding the control panel indicators for salt level and cleaning reminders.

Program the Softener

Initial display prompts for setting time and model.

Set Present Time of Day

How to set the current time on the softener's control panel.

Set Water Hardness Number

Setting the water hardness level for optimal softening.

Set Recharge (Regeneration) Start Time

Configuring the automatic regeneration schedule.

Controller Features

Extra Recharge

Initiating manual regeneration cycles for increased water usage.

Recharge Now

How to start an immediate regeneration cycle.

Recharge Tonight

Scheduling a regeneration cycle for later that day.

Salt Monitor System

Setting up the salt level indicator to monitor salt in the brine tank.

Optional Settings

Overview of various optional settings like Salt Efficiency and Clean Feature.

Clean Feature Minutes

Adjusting the duration of the extra backwash cycle.

Maximum Days Between Regenerations

Setting a maximum interval for automatic regenerations.

97% Feature

Enabling regeneration at 97% of softener capacity.

12 or 24 Hour Clock

Selecting the display format for the time of day.

Backwash & Fast Rinse Times

Adjusting the duration of backwash and rinse cycles.

Tank Light

Operating the light inside the salt storage tank.

Water Flow Through the Softener

Understanding the display of water flow using indicator bars.

Recharge Time Remaining & Valve Position Indicators

Interpreting indicators for recharge status and valve positions.

Program Memory

How the controller retains settings during power interruptions.

Cleansing Feature

How the cleansing feature protects plumbing from sediment.

Routine Maintenance

Adding Salt

Guidance on checking and adding salt to the brine tank.

Breaking a Salt Bridge

How to identify and resolve salt bridging issues in the brine tank.

Cleaning the Nozzle & Venturi

Steps for cleaning the nozzle and venturi assembly for proper brine draw.

Protect the Water Softener from Freezing

Procedures to drain the softener to prevent freeze damage.

Troubleshooting Guide

Electronic Diagnostics

Entering diagnostic mode to check system components and status.

Factory Defaults Reset

Restoring the controller to its original factory settings.

Regeneration Check

Verifying the regeneration cycle functions step-by-step.

Wiring Schematic

Diagram illustrating the electronic wiring connections of the softener.

Softener Exploded View

Softener Parts List

Valve Exploded View

Valve Parts List

Extend Your Warranty

Water Softener Warranty - Models EP31 & EP42

Details of the one-year full warranty and limited warranties.

General Provisions

General terms and conditions applicable to the water softener warranty.

ECOPURE EP31 Specifications

General IconGeneral
BrandECOPURE
ModelEP31
CategoryWater Dispenser
LanguageEnglish

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