Culligan E2 Plus Series User Manual

58 pages

To Next Page

CULLIGAN

Series E2 Plus

Reverse Osmosis Water Treatment

Systems

Models from 2011

Installation,

Operation and

Service

Instructions

Cat. No. 01023094

Rev. D 05/03/13

DCO # 013581

Questions and Answers:

C
Carolyn Williams DVMAug 3, 2025
What to do if my Culligan E2 Plus Water Dispenser unit does not start?
- D
  Dakota PetersAug 3, 2025
  If your Culligan Water Dispenser isn't starting, here's what you can check: * First, ensure the unit has power by checking the circuit breaker. * Next, verify that the feed pressure isn't too low and correct it if necessary. * Also, the inlet solenoid may have failed, requiring replacement. * Lastly, check if the prefilter is fouled and replace the cartridge if it is.
K
Keith MontesAug 17, 2025
Why is my Culligan E2 Plus running but not holding high pressure?
- N
  Nancy ParksAug 17, 2025
  If your Culligan Water Dispenser is running but not holding high pressure, the possible causes and solutions are: 1. The pump may be malfunctioning and needs replacement. 2. The system pressure control valve might be faulty and should be replaced. 3. The concentrate flow could be too high, requiring adjustment and tubing replacement on A. 4. The product flow might be too high, in which case you should test the modules.

Culligan E2 Plus Series Specifications

General

Water Temperature	Hot and Cold
Safety Features	Child Safety Lock
Filtration Technology	Carbon Filtration
Filter Life	6 months
Warranty	1 year

Summary

Introduction

Read this Manual First

Emphasizes the importance of reading the manual before operating the system.

About this Manual

Details the content covered in the manual, including familiarization and specifications.

Safe Practices

Explains the use of special headings like Notice, Caution, and Warning for safety.

Features

Key Product Features

Highlights the main functionalities and benefits of the E2 Plus system.

Flush Options

Describes the system's start-up flush and timed flush capabilities.

RO Installation

Unpacking the RO

Instructions for inspecting the unit for shipping damage and completing registration.

Materials Required

Lists the necessary tools and materials for installing the RO system.

Installation Location

Guidance on selecting an appropriate location for the RO unit, considering space and environment.

Plumbing Installation

Feed Water Connections

Details on connecting the feed water supply to the RO unit.

Concentrate Water Connections

Instructions for connecting the concentrate outlet to a drain.

Product Water Connections

Guidance on connecting the product water outlet for use or storage.

Pressurized Storage Tank

Information on utilizing a pressurized storage tank with the RO system.

Non-Pressurized Product Water Storage Tank

Details for connecting to an atmospheric storage tank.

Direct Feed

Setup instructions for using product water directly without storage.

Operation

CP Controller Board

Overview of the CP controller's capabilities and functions.

Controller Behavior when Power First Applied

Explanation of the system's startup sequence and delays.

Initial Startup

Normal Operation

Describes how the system operates during normal production cycles.

Product Flow Calculations

Accessories

Level Control

Details on how the level control system manages tank filling.

Storage Tank Setup When Using a Single High Level Float Switch

Wiring instructions for a single float switch in a storage tank.

Storage Tank Setup When Using a Pressure Switch

Instructions for using a pressure switch with pressurized storage.

Pretreatment Lockout

Explanation of how pretreatment lockouts prevent operation during regeneration.

Flush Modes

Line Pressure Front Side Flush Prior to Startup

Describes the flush sequence performed before the system starts making water.

Line Pressure Front Side Flush Every Two Hours of Continuous Make Water

Explains the periodic flush cycle during continuous operation.

Service and Maintenance

Serial Numbers

Location and importance of serial number labels for warranty and service.

LED Status Indicators

Guide to interpreting the system's LED lights for status and errors.

Troubleshooting

Common problems, their probable causes, and suggested solutions.

Prefilter Cartridge Replacement

Step-by-step instructions for replacing the prefilter cartridge.

Membrane Replacement

Detailed procedure for removing and installing RO membrane elements.

Testing Modules

Method for testing individual RO elements to diagnose performance issues.

Cleaning Modules

Guidance on when and how to clean RO modules for performance restoration.

Prepare the Equipment for Cleaning

Steps to prepare the system and components for chemical cleaning.

Clean the Unit

Procedure for the initial phase of cleaning the RO unit.

Clean Silt or Biofouling

Specific cleaning steps for silt or biofouling contamination.

Finish Cleaning Procedure

Final steps to complete the cleaning process and flush the system.

Flow Diagram

Wiring Diagram

E2 Plus RO Parts Diagrams and Lists

Feed Assembly, 208-230V/ 60 Hz, U.S.

Diagram and parts list for the US feed water assembly.

Product Assembly, 208-230V/ 60 Hz, U.S.

Diagram and parts list for the US product water piping assembly.

Concentrate Piping Sub-Assembly, 208-230V/ 60 Hz, U.S.

Diagram and parts list for the US concentrate piping sub-assembly.

Membrane Vessel, 208-230V/ 60 Hz, U.S.

Diagram and parts list for the US membrane vessel components.

Membrane Assembly, E2-2 Plus and E2-4 Plus, 208-230V/ 60 Hz, U.S.

Diagram and parts list for US E2-2 and E2-4 membrane assemblies.

Series E2 Plus Major Components and Water Connections, 220V/ 50 Hz, International

Diagrams and parts for international E2 Plus major components.

Front Panel Assembly, 220V/ 50 Hz, International

Diagram and parts list for the international front panel assembly.

CP Plus Controller Assembly, 208-230V/ 60 Hz, U.S.

Diagram and parts list for the US CP Plus controller assembly.

Appendix A Series E2 Plus International

E2 Plus International Specifications

Technical specifications for international E2 Plus models.

Appendix B Basic Principles

Reverse Osmosis

Explains the fundamental principles of reverse osmosis.

Rejection and Recovery

Defines and explains rejection and recovery percentages in RO systems.

Temperature Compensation

Discusses how feed water temperature affects product water production.

Feed Water Limits

Lists the acceptable parameters for feed water quality.

Related product manuals

High Efficiency 1.5 Twin Series