The IR33 universal is the top of the CAREL range of electronic panel mounting controllers for heating and refrigeration applications. The unit offers a range of smart software functions, including smart defrost when in refrigeration mode. The controller can be connected to a supervisory system via an external RS485 connection module.

Features

• 3-digit display (plus decimal point).
• Universal versions are available that will accept various inputs which include:
• NTC, PTC, Pt100, Pt1000, Type J or K Thermocouples (0~20mA, 4~20mA, 0~1Vdc inputs on request).
• Available with 1, 2 or 4-relay outputs.
• 0-10 Vdc output option.
• Nine pre-configured programmes to best manage a variety of control applications.
• The standard units (see below) are fitted with 2 digital inputs.
• The units can be supplied with an internal Real Time Clock (RTC) and with PID algorithms and autotune function.
• Immediate identification of the best solution for the required application.
• Easily programmed, by keypad or by PC serial link.
• Operating conditions: -10~60°C.

Benefits

• Compliant with HACCP regulations.
• Stored data is guaranteed for 10-years, even in the event of a power failure.
• Ideal for all types of refrigeration units.
• Simple installation.
• Easy to use.

 Applications Include

• Cold Drinks / Bottles Storage Cabinets.
• Refrigerated cabinets & displays.
• Control panels for control rooms.
• Plug-in refrigerated units.
• Wine cellars.
• Catering refrigeration systems