The IS 972LX-IS974LX controller is suited for application on normal or low temperature

refrigeration units with fans and is composed of a master unit and slave power base connected by a quick coupling multipolar cable connection.

• IS 972LX: The power base is equipped with 2 inputs for temperature sensor type NTC (PTC software setting) and three output relays for compressor, defrost and evaporator fan control.

• IS 974LX: The power base is equipped with 2 inputs for temperature sensors type NTC (PTC software settings) and four output relays for compressor, defrost, evaporator fan and alarm control, the later can be programmed to manage an auxiliary charge such as, for example, lights.

The defrosting cycle can be stopped at a set time or, thanks to the sensor on the evaporator, when the cycle completion temperature is reached.

The master unit, equipped with 1 programmable digital input, displays the value read by the sensor using three digits and the minus sign. Decimal point readings can be set with a parameter. The Buzzer is optional.

All models include TTL type connections to enable the "Copy Card" fast setting accessory and for Televis connection.