The IR33 smart refrigeration controllers are designed specifically for the refrigeration installer as they enable selection from a range of pre-loaded applications, eliminating the need to program the controller parameters. The controller then just needs to be wired up and installed in the panel. The controllers have up to 3 NTC or PTC inputs 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. The 4 relay version also incorporates a real time clock and HACCP function. The controllers are housed in a compact panel mounting enclosure and are powered from 115 to 230V AC. All versions can be connected to a network for monitoring and programming using the optional RS-485 serial interfaceNo programming required. 4 pre-loaded configurations. NTC & PTC thermistor probe inputs available. Various relay output configurations available. 16A compressor output. Real time clock and HACCP function. Infrared receiver and buzzer. 115 to 230V AC powered. RS-485 serial connection. IP65 enclosure. Plug-in terminals. Front panel mounting systemOutput Type = RelaySupply Voltage = 115 - 230 V acSize = 38.6 x 76.2mmNumber of Outputs = 1Temperature Range = -50 - +150 (PTC) °C, -50 - +90 (NTC) °CConfigurable Outputs = RelayCommunication Module Available = YesDisplay Type = LEDIP Rating = IP65Range = -50 - +150 (PTC) °C, -50 - +90 (NTC) °C

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