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Eliwell EWRC 500 NT Series User Manual

Eliwell EWRC 500 NT Series
107 pages
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EWRC 300/500/5000 NT
Controllers for static and ventilated cold rooms
USER
MANUAL
9MA10258.01
www.eliwell.com

Table of Contents

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Eliwell EWRC 500 NT Series Specifications

General IconGeneral
Storage Temperature-20 to +70 °C
Resolution0.1 °C
Front ProtectionIP65
TypeElectronic Controller
Number of outputs2
DisplayLCD
Outputs2
CommunicationRS485
Operating Temperature-10 to +50 °C
Measuring RangeDepending on the probe used
Accuracy±0.5% f.s. ±1 digit
Output typeRelay
Protection ratingIP20 (terminal side)

Summary

Safety Information

HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH

Details critical safety hazards related to electrical shock, explosions, and arc flashes.

POTENTIAL FOR EXPLOSION

Information on avoiding explosion risks, especially in hazardous locations.

Mechanical Installation

INSTALLATION PREPARATION

Guidance on preparing for installation, power disconnection, and operating environment.

INSTALLATION PROCEDURE

Step-by-step instructions for physically mounting and installing the device.

Electrical Connections

WIRING PRACTICES AND GUIDELINES

Best practices and regulations for making electrical connections to the device.

WIRING DIAGRAMS

Visual diagrams illustrating electrical connections for different models and configurations.

User and Start-up Interface

PARAMETER AND SETPOINT MANAGEMENT

Instructions on setting passwords, programming setpoints, and modifying device parameters.

Functions and Regulators

COMPRESSOR CONTROL

Details on compressor operation, configuration, and safety timings.

DEFROST AND DRIPPING OPERATIONS

Explanation of defrost types, activation, modes, and dripping procedures.

Parameters

USER PARAMETER MODIFICATION

Guide on how to modify user parameters and access installer parameters.

Alarms

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