Technical Bulletins

In this section you can find the Technical Bulletins written by our Technical Support.

In every bulletin a technical subjetc is analysed in details, in order to help you understand our products in the most complete way.

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Technical Bulletin nr. 24

     RadioAdapter

RadioAdapter is a Eliwell device that enables the use of RF (Radio Frequency) technology, to allow wireless communication between controllers, devices and the supervisor.

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Technical Bulletin nr.  23

      Try Coldface!

In this bulletin a number of regulation options available in the ColdFace family will be explained; these options are in addition to the "basic" regulations and algorithms that Eliwell refrigeration controllers are well-known for.

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Technical Bulletin nr. 22

    TelevisNet Upgrade

Introduction

Preliminary actions

Backup creation

Upgrade

System repairing

This document has the target to integrate the official literature provided by Eliwell with TelevisNet.

A careful reading of the user manual is needed. Following, you will find the instructions on how to proceed in order to get a successful upgrade.
This document is related to TelevisNet version 03.01.00 and previous versions.
In case of successive versions, contact Eliwell Technical support.

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Technical Bulletin nr. 21

Web & LanAdapter

Connecting the WebAdapter to the network
Connecting from a terminal outside the private LAN
Settings on the server or router
Connecting from a terminal within the private LAN
LanAdapter
LanAdapter within a local network
Glossary

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Technical Bulletin nr. 20

Special AC Functions

Introduction
Hot Start Control
Adaptive Control
Defrost Start Temperature Compensation Control
Anti-Sticking Control
Water Free Cooling Control
Economiser Control
Antifrost Control with Water and Heat Pumps
Power Limitation Control
Sensor Upstream/Downstream from Valve Control

This bulletin describes the special control functions incorporated in certain air conditioning controllers to supplement conventional control functions.
The bulletin describes the potential applications of each function and lists the controllers it is available in.

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Technical Bulletin nr. 19

     Reversing Valves

Description of components

Functional operation

Selection criteria and pressure drop diagrams

Interpreting diagrams

Parallel valves

General installation - removal procedures

Replacing the valve unit - a few notes

Troubleshooting

Test mode

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Technical Bulletin nr. 18

     Modbus Tips

Ø Definitions

Ø Implemented commands

Ø Examples of commands or frames

Ø Calculating the logical area

Ø Reading a signed variable

Ø Example of commands supported by Ech200B controllers

Ø Example of commands supported by Ert400B controllers

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Technical Bulletin nr. 17

     ModemOverIP

Ø This bulletin describes the characteristic of the Viola modem and its main applications, in addition to explaining how to use this type of modem with a Televis Compact supervision and monitoring system.

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Technical Bulletin nr. 16

     TelevisSystem vs. TelevisNet-Web



Ø The sections that follow provide the guidelines that have to be followed to plan/schedule the tasks required to upgrade existing Televis100, 150 and 200 systems (and related limited versions) to TelevisNet-Web.

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Technical Bulletin nr. 15

Instrumentation Problems

Ø This document explains how to identify a potential fault or problem and determine its causes. The details provided will help you to distinguish faults from potential errors or non compatibility issues.

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Technical Bulletin nr. 14

Special Functions CR

Ø This bulletin concerns special regulators present in several Commercial Refrigeration controllers, that complete the conventional regulators.

The following is described for each algorithm: capacity, on which instruments it is available and how it must be enabled and activated.

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Technical Bulletin nr. 13

Glossary

Ø The scope of this bulletin is to:
• Explain how to interpret the characters displayed on 7-segment displays.
• Provide details on the languages and most common terms used in the user's manuals supplied with Eliwell electronic controllers. The sections that follow list some of the common terms used in technical documentation.

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Technical Bulletin nr. 12

RS-485 Issues

Ø The instructions provided below apply to RS485 networks with Eliwell devices and to supervisor units that use both Eliwell and Modbus protocols for communication purposes. This document provides detailed information on the cabling of RS485 networks, and on their use and maintenance, along with troubleshooting guidelines and information on how to correct problems.

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Technical Bulletin nr. 11

Alarm Codes

Ø This document describes all the error messages that display on devices for commercial refrigeration, along with their causes and possible corrective actions.

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Technical Bulletin nr. 10

Backup Software

Ø This bulletin details the steps that have to be followed to upgrade and save the data of TelevisSystem150\200 (full and partial versions), TelevisInteractive and ConfigurationTool

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Technical Bulletin nr. 9

"K" Thermostats Series

Ø Description of parts

Ø Overview of operation

Ø Applications

Ø Mechanical assembly

Ø Parts and installation procedure

Ø Main criteria for the selection of thermostats

Ø Main models and characteristics

Ø Interpreting drawings -Terminology

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Technical Bulletin nr.8

Returns Procedure

Ø This bulletin describes the procedure that has to be followed to return items for reparation or inspection. The procedure applies to countries both in and outside the European Union.

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Technical Bulletin nr.7

TelevisCompact

Ø       This document provides general information on how to start TelevisCompact20 & 60. For detailed information on settings and options, please refer to the User's manual available on the CD-ROM provided with the device.
Initial start-up should be carried out following the steps outlined below and in the chronological order specified.

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Technical Bulletin nr.6

        Connectivity

Ø       This document illustrates some solutions developed by Eliwell for the connection of supervision systems and provides some guidelines to troubleshoot connectivity problems.

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Technical Bulletin nr.5

Labels

Ø       This document describes the information on the labels of instruments to be used in the commercial refrigeration and air conditioning sectors.

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Technical Bulletin nr.4

PID

Ø       The aim of this bulletin is to explain how PID control works, identify the field of application based on demand and indicate the models in the Eliwell range that are suitable for performing this type of control.

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Technical Bulletin nr.3

Heating

Ø       The aim of this bulletin is to discuss new products for “space” heating (ECH 985, IC915D) and specific industrial applications (including food storage: IC974, ID915D).

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Technical Bulletin nr.2
         Outputs

Ø       Relays

Ø       Selection criteria

Ø       Configuration (LX controllers)

Ø       Mode, Control, Operating

Ø       TRIAC and on-off control

Ø       Relay summary table

Ø       ID relay table

Ø       IC relay table

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Technical Bulletin nr.1

Inputs

Ø       New applications for Pt100 probes at low temperature

Ø       Displaying temperature

Ø       New opportunities with voltage/current inputs

Ø       Protection rate with NTC – PTC for refrigeration applications

Ø       Installation of probe in refrigeration applications

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