Model XR70CX, format 32x74mm, is microprocessor based controller, suitable for applications on medium or low
temperature ventilated refrigerating units. It has four relay outputs to control compressor, fan, and defrost, which
can be either electrical or reverse cycle (hot gas). The last one can be used as light, for alarm signalling or as
auxiliary output. It is also provided with up to 4 NTC or PTC probe inputs, the first one for temperature control,
the second one, to be located onto the evaporator, to control the defrost termination temperature and to managed
the fan. The digital input can operate as third temperature probe. The fourth one, to connect to the HOT KEY
terminals, is used to signal the condenser temperature alarm or to display another temperature.
The HOT-KEY output allows to connect the unit, by means of the external module XJ485-CX, to a network line
ModBUS-RTU compatible such as the Dixell monitoring units of X-WEB family. It allows
to program the controller by means the HOT-KEY programming keyboard.The instrument is fully configurable through
special parameters that can be easily programmed through the keyboard.
