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OEG CPA-E 55/25-180 - User Manual

OEG CPA-E 55/25-180
108 pages
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www.oeg.net
OEG Heizungs- und Solarumwälzpumpen
D
Circulateurs de chauffage et solaires OEG
FR
OEG Heating and solar circulation pump
GB
Abb. ähnlich, kann
typbedingt abweichen
Fig. similar, can differ
depending on the type
Illustration similaire,
peut différer selon le type
Verglijkbare afbeelding, kan
afwijken afhankelijk van het model
• Mit neuer
Sockeltechnologie!
• With new base
technology!
• Avec nouvelle
technologie de socle!
• Met nieuwe
sokkeltechnologie!
OEG Verwarmings- en Solar circulatiepompen
NL

Table of Contents

Questions and Answers

  • G
    Gina LucasAug 17, 2025
    Why is my OEG CPA-E 55/25-180 Water Pump making failure noises?
    • D
      dreynoldsAug 17, 2025
      If you're hearing unusual noises from your OEG Water Pump, it could be due to several reasons. Air might be trapped in the system or the motor pump; try venting the system to remove any trapped air. Alternatively, the flow rate might be too high, in which case you should reduce the inlet pressure of the pump and adapt the program. Low inlet pressure or insufficient head can also cause noise; increase the inlet pressure and check the expansion vessel. Finally, the speed might be too low; adjust the signal PWM or PWM inverted at the controller.
  • K
    Kyle ZimmermanNov 2, 2025
    What to do if my OEG CPA-E 55/25-180 does not start?
    • S
      susan63Nov 2, 2025
      If your OEG Water Pump doesn't start, several issues could be the cause. First, a fuse might have tripped, in which case you should replace it. Alternatively, the RCCB might have tripped; check the insulation and try switching the RCCB on again. It's also possible that the motor is defective, requiring a pump replacement. Ensure that the power supply is within the defined range, as high or low voltage can prevent the pump from starting. Other potential causes include excessive current (indicating a defective board or motor, also requiring pump replacement), lack of medium (fill the system and check the ball valves), phase failure (check the voltage supply and board), pump locks (check the rotor for unobstructed movement), or incorrect resistance values/motor current consumption (again, req...

Summary

Symbols and Safety Instructions

Safety Warnings and Symbols

Explains warnings, cautions, and notes for safe operation and installation.

General Product Information

Pump Applications and Technology

Details OEG pump applications, core technology, and key advantages.

Key Pump Advantages

Highlights ease of use, low noise, and energy efficiency of the pumps.

Operating Instructions

Operating Parameter Limits

Covers ambient temperature, humidity, media temperature, pressure, and protection class.

Inlet Pressure Requirements

Specifies required inlet pressure based on media temperature for safe operation.

Operating Instructions

Flow Media Specifications

Defines suitable media for pumping and liquids to avoid.

Installation Guidelines

General Installation and Box Positioning

General instructions for installation, flow direction, and terminal box position.

Installation Guidelines

Terminal Box Rotation Procedure

Step-by-step guide for rotating the terminal box by 90 degrees.

Installation Guidelines

Pump Housing Thermal Insulation

Advice on insulating the pump housing and pipeline, avoiding terminal box insulation.

Electrical Installation

Wiring and Connection Guide

Details the wiring, connection steps, and safety warnings for electrical hookup.

Control Panel Overview

Panel Elements and Display Functions

Identifies and explains the functions of the control panel's display and operating elements.

Energy Consumption and Error Codes

Explains how energy consumption is shown and lists recognized error codes.

Control Panel Overview

Operating Mode Display and Selection

Details the available operating modes, their displays, and instructions for selection.

Control Panel Overview

Night Mode Button Functionality

How to activate/deactivate night mode and its operational constraints.

Mode Settings Selection

System-Dependent Mode Settings

Guidance on selecting optimal mode settings based on heating system configuration.

Mode Settings

Recommended Settings for Heating Circuits

Presents recommended and optional pump settings for different heating circuits.

Night Mode Operation

Night Mode Conditions and Instructions

Details the requirements and instructions for proper night mode functionality.

Night Mode Operation

Automatic Night Mode Switching

Explains how the pump switches between normal and night mode based on temperature.

PWM Control System

PWM Signal and Controller Integration

Explains PWM signal control, wire coding, and controller settings for the pump.

Commissioning and Startup

Pre-Startup System Checks

Ensures system readiness, including filling and inlet pressure, before initial startup.

Pump and System Venting

Describes pump self-venting and the procedure for venting the heating system.

Operating Modes and Power Curves

Mapping Modes to Performance Curves

Illustrates the relationship between operating modes and the pump's Q/H performance curves.

Pump Power Characteristics

Understanding Performance Curves

Explains the meaning of pump performance (Q/H) and power input (P1) curves.

Relevant Media Parameters

Lists the media parameters (density, temperature, viscosity) used for characteristic calculations.

Pump Features and Specifications

Type Plate Information Explained

Explains each specification detail found on the pump's identification type plate.

Technical Data Summary

Key Technical Specifications

Presents essential technical specifications like voltage, protection, humidity, and pressure.

Technical Data Summary

Pump Installation Dimensions

Provides specific dimensions for installing the pump based on connection nominal diameter.

Troubleshooting Common Issues

Pump Failures: Not Starting

Lists common failures, causes (e.g., E0-E6 codes), and remedies for a non-starting pump.

Troubleshooting Common Issues

Addressing Pump Noises and Performance

Addresses causes and solutions for pump noises, insufficient head, and low speed.

Product Warranty Information

Warranty Terms and Duration

Details the 36-month warranty period and general terms for OEG pumps.

OEG CPA-E 55/25-180 Specifications

General IconGeneral
BrandOEG
ModelCPA-E 55/25-180
CategoryWater Pump
LanguageEnglish

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