The controller is a single refrigeration controller, it contains compressor startup delay protection, temperature sensor error alarm and other functions, the controller can run regularly with set on-off rate when error. It has one external alarm,the alarm can be set to 5 states: always open, always open locked, always closed, always closed locked and forbidden.

Temperature display range: -50~125°C(The step between -9.9 and 99.9°C is 0.1°C,else 1°C)

Temperature setting range: -45~120°C(The step between -9.9 and 99.9°C is 0.1°C,else 1°C)

Power Supply:AC 220V±10% or 380V±10% 50Hz(Refer to the wiring diagram)

Operating environment:temperature -10℃~45℃, humidity≤85%. Without congealed hoarfrost

Relay contact capability: 3A/250VAC

Temperature sensor:NTC R25=5kΩ,B(25/50)=3470K