Carel plug-in User Manual download pdf (Page 7)

plug-in

Cod. +030221881 rel. 1.3 - 03/05/2006

INTRODUCTION

The new plug-in family for refrigeration is made up of a new series of microprocessor-based electronic controls with LED

display, designed for the management of display case and showcase refrigeration units.

A range of models is available, providing the best solution for all applications, at the most competitive price.

The plug-in family builds on the experience and success of the previous product ranges, such as the IR32 and IR32E, with the

aim of offering an increasingly simple and economical product, without relinquishing on the performance required by the

refrigeration manufacturer.

The structure of the parameters and the operating logic has remained from the IR32E range, a number of functions have been

simplified, and extra performance has been added. The main characteristics are:

• external RS485 serial interface, optionally connected to the instrument;

• display in degrees (centigrade or Fahrenheit), using display with two digits and minus sign;

• complete range with models featuring 1, 2, 3 relays;

• ergonomic three-button keypad.

Furthermore, new functions and characteristics have been introduced:

• probe inputs for NTC or PTC (different codes);

• display of operating status (cooling - defrost - alarm), using a clearly visible and easily recognisable signal, thanks to the

three buttons with back-lighting;

• highly-efficient red LED display;

• innovative system for fastening the instrument from the front panel, using two screws;

• front frames in various colours, customised upon request;

• external options available, such as: HACCP module and optically-isolated RS485 serial module;

• quick programming of the control, using hardware key, even when the instrument is not powered;

• possibility to modify the list of parameters, selecting each parameter as a frequently-used or password-protected parameter;

• electrical connections using removable (screw or crimped) or fixed screw connectors;

• power thermostat version with 12A resistive relay;

• complete range with power transformer for the 115 to 230Vac versions.

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Carel plug-in User Manual Page 7