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Danfoss EKC 302B

Danfoss EKC 302B
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Controller for temperature control
- EKC 202A,B,C and EKC 302A,B
Manual

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Danfoss EKC 302B Specifications

General IconGeneral
BrandDanfoss
ModelEKC 302B
CategoryController
LanguageEnglish

Summary

Introduction to EKC Controllers

Application Overview

Controller for temperature control in refrigeration appliances and cold rooms.

EKC Controller Variants

Defrost and Input Operations

Defrost Start Methods

Methods for initiating defrost: interval, time, manual, S5-temp., network, and DI.

Defrost on Demand

Initiates defrost based on refrigeration time or S5 temperature variation.

Controller Operation and User Interface

Parameter and Temperature Setting

Step-by-step guide for setting menu parameters and temperature values.

Comprehensive Menu Survey

Compressor Control Settings

Settings for compressor running times and relay functions.

Defrost Control Parameters

Parameters for defrost method, stop temperature, interval, duration, and fan control.

Detailed Menu Options

Fault, Alarm, and Status Codes

Lists of fault, alarm, and status codes for troubleshooting and diagnostics.

Core Controller Functions

Thermostat Regulation

Regulation based on set value, displacement, and limitations. Includes set point adjustment.

Alarm and Compressor Management

Alarm Handling and Delays

Detailed settings for alarm delays, upper/lower limits, and condenser alarms.

Compressor Running Time Protection

Parameters for minimum ON-time and OFF-time to protect the compressor.

Defrost Control Mechanisms

Defrost Initiation and Termination

Settings for defrost method, stop temperature, and interval between defrosts.

Defrost Duration and Safety

Parameters for maximum defrost duration and time staggering for start-up.

Advanced Defrost and Fan Operations

Defrost on Demand Features

Defrost initiation based on aggregate refrigeration time or S5 temperature variation.

Miscellaneous Controller Settings

Digital Input Functionality

Defines various functions for the digital input signal (DI).

Fault Messages and Alarm Handling

Alarm Reporting and Types

Details on how alarms are indicated (LEDs, relay) and categorizes them (A-alarms, E-alarms).

Compressor Safety and Maintenance

Electrical Connections Guide

Power Supply and Sensor Connections

Specifies power requirements and details on Sair and S5 sensor connections.

Product and Accessory Ordering

EKC 202 Series Controllers

Ordering information for EKC 202A, 202B, and 202C refrigeration controllers.

EKC 302 Series Controllers

Ordering information for EKC 302A and 302B refrigeration controllers.

Technical Specifications

Electrical and Sensor Specifications

Details on supply voltage, sensor types, measuring range, accuracy, and digital inputs.

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