IR33 Refrigeration Controllers Product Features ■ NTC thermistor probe inputs ■ Real time clock and HACCP function ■ Infrared receiver and buzzer The IR33 refrigeration controllers are designed for management of refrigeration and food processing applications. The controllers have 2 NTC inputs for ambient and defrost temperatures and versions are available which have 1, 2, 3 or 4 relay outputs for control of the compressor, active defrost, evaporator ventilation fan and auxiliary output. Versions incorporating a real time clock and HACCP function are also available. The controllers feature a simple user interface and are housed in a compact panel mounting enclosure. All versions can be connected ■ Front panel mounting system to a network for monitoring and programming, using the optional RS-485 serial interface. The IR33 controllers are powered from 1 2 to 24Vac/dc or 230Vac and optional transformers are available for powering the controllers from 110Vac or 230Vac. For digital monitoring and control in refrigeration and food processing Connections Allow 95mm x 40mm clearance around controller for panel clip

Tempatron Email: [email protected] Web: www.tempatron.co.uk Continued... Ordering information Model IR33S 1 Relay Output Digital Refrigeration Controller For use on static refrigeration units (i.e. with no evaporator fan) IR33Y 2 Relay Output Digital Refrigeration Controller For use on static refrigeration units with active defrost by heater IR33F 3 Relay Output Digital Refrigeration Controller For use on ventilated refrigeration units with compressor, defrost and fan control IR33C 4 Relay Output Digital Refrigeration Controller For use on ventilated refrigeration units with compressor, defrost...