The ir33 Universal controller lets you manage several values at the same time, including temperature, humidity, pressure, CO, VOC...
Suitable for temperature control in HVAC/R applications and/or generic applications that require the use of a thermostat in the range -58 to 302°F.
ir33 universal is an advanced controller that includes all the features already available in the ir32, adding some new sophisticated functions.
Features:

• 9 pre-set control modes
• Classic proportional and proportional + integral control (P, P+I), PID with autotuning or 2 independent control loops
• Two independent control loops
• Selectable NTC, PTC or PT1000 sensor input options
• 1, 2 or 4 outputs relay or SSR drive outputs
• Infrared remote control and external key programming options
• RS485 serial link for monitoring and programming
• IP65 water and dust protection
• Management of the clock
• Working cycles
• Programmable advanced control options
• ir33 universal is compatible with the new configuration tool for CAREL parametric controllers, for fast and practical setup of the application.
• The large display, complete with icons, makes it easy to set the parameters.
• Supplied with plug-in terminals. The units can be programmed on the keypad, via key, remote control and comtool.
• Available with 12 to 24 Vac/ 12 to 30 Vdc, 24 Vac/dc or 115 to 230 Vac power supply