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Eliwell EZ-LT User Manual

Eliwell EZ-LT
20 pages
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Electronic controllers for refrigeration units
EN
EZ-HT / EZ-MT / EZ-LT
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Eliwell EZ-LT Specifications

General IconGeneral
ModelEZ-LT
Power Consumption3VA max
Resolution0.1 °C / 0.1 °F
InputsNTC/PTC/PT1000 probe
OutputsRelay
BuzzerOptional
Serial interfaceOptional
Protection DegreeIP20
Storage Temperature-20...+75°C (-4...+167°F)
Relative Humidity10...90% rH non condensing

Summary

User Interface and Controls

Key Functions

Explains the function of UP, DOWN, STAND-BY/ESC, and SET/ENTER keys for navigation and operation.

Installation and Safety

Electrical Safety Precautions

Details critical safety measures to prevent electric shock, explosion, or arc flash during installation.

Wiring and Safety Warnings

Wiring and Torque Specifications

Specifies cable types, sizes, and torque for secure terminal connections to prevent electrical hazards.

Fire and Explosion Hazards

Outlines precautions against overheating, fire, and explosion risks related to device operation and installation location.

Operational Guidelines and Warnings

Preventing Unintended Operation

Provides essential guidelines to prevent unintended equipment operation and risks associated with connections.

Wiring Diagrams and Terminals

Terminal Connections

Details specific terminal connections for EZ-HT and EZ-MT/EZ-LT models, including relays and probes.

Technical Specifications

General Technical Data

Lists key technical data including classification, mounting, power supply, and environmental ratings according to EN 60730-2-9.

Device Specifications

Diagnostics and Alarms

Alarm Identification and Causes

Explains how alarms are indicated, error codes E1/E2, and provides a table of alarm causes, effects, and remedies.

Advanced Alarms and Temperature Settings

Menu Navigation and Operation

Parameter Configuration

Setpoint Lock and Parameters

Describes how to lock the keypad and provides a table of core parameters like Setpoint, Differential, and switch-on/off times.

Defrost and Fan Parameters

Alarm and System Parameters

Operational and Calibration Parameters

Display, Units, and Advanced Configuration

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