The Eliwell ID controllers are suited for normal temperature refrigeration units. It has an input for temperature sensor type PTC (NTC software setting) and an output relay for compressor control. The defrosting cycles are controlled by stopping the compressor for a set time. The temperature sensor value is displayed using two digits and the minus sign. TTL connections to enable the “Copy Card” fast parameters transfer option is available as standard. The following options are available: 16A compressor relay, Buzzer. The LX model, for NTC sensor as standard, are provided with the Televis connection option, the 3 digit display, the plus/minus sign, the decimal point is selectable, and a programmable digital input is available.