ID 974 controller is suited for normal temperature refrigeration units.

The 32x74 size model, which during the years has become the standard electronic controller in business refrigeration, has been evolved and is provided with new features and design dictated by safety and reliability when used. Thanks to its versatility and to the advanced control algorithm, Digifrost (ID Series) offers a range of models specifically developed to be used even in simple applications that need the reliability and benefits offered by our products through the integrated transformer they are provided with.

• The decimal point display can be selected with a parameter
• Copy card for a quick programming
• Dimensions of front panel: 74x32mm,

ID 971 controllers are suitable for any application on refrigeration units at normal or low temperature.

Technical

• Front panel: IP65
• The decimal point display can be selected with a parameter.
• Use temperature: -5...55°C
• Storage temperature: -30...85°C

It has two inputs for temperature sensor type PTC (NTC software setting) and two output relays for compressor and defrost control.
The defrosting cycles are controlled by stopping the compressor for a set time or by using the temperature sensor on the evaporator.
The temperature sensor value is displayed using three digits and the minus sign.