XR70CH is a Dixill mini electronic temperature controller that can be used for medium/low temperature forced air cooling systems. It has four outputs: one compressor, one evaporator fan, and one defrost (electric or hot air), and one can be defined for lighting, alarm relay output, or auxiliary output. It can provide up to four NTC or PTC probe inputs: one for the warehouse temperature, one for the evaporator temperature (defrost termination temperature + fan stop temperature control), one optional digital switch input can also connect to the third temperature probe input (this is an optional item that needs to be specified when ordering; it can be selected by parameters whether to use it); the fourth probe input (it can also be selected by parameters whether to use it), connected to the 5-pin hot key programming key interface 2, 4 No. (left or right number can be) terminal (need to plug in converter), it can be used to measure condensation temperature alarm or to display the temperature of a certain point; the hot key programming interface can be connected to the programming key, and can be connected to the XJ485-CX communication conversion module with ModBUS-RTU protocol compatible network, such as the Dixill XWEB series monitoring system. It can be set up on the panel keyboard or by the programming key (HOT KEY) to quickly copy parameters.