NA320 User Guide
P Main Function
F Refrigerating controlling: temperature display, temperature controlling, compressor boot delay protection, temperature sensor error alarm. It can run periodically with the rate of start and stop which has been set when the temperature sensor is broken.
F Defrosting controlling: defrosting timely, controlled both by time and temperature, manual defrosting.
F External alarm: one channel external alarm, it can be set to 5 modes: always open, always open locked, always closed, always closed locked or forbidden.
¤ Main Technique Index
O Temperature display range: -50~125°C(The step between -9.9 and 99.9°C is 0.1°C,else 1°C)
O Temperature setting range: -45~120°C(The step between -9.9 and 99.9°C is 0.1°C,else 1°C)
O Power Supply: AC 220V±10% or 380V±10%, 50Hz (Refer to the wiring diagram)
O Operating environment: temperature -10°C ~45°C, humidity≤85%.
O Relay contact capability: 2A/380VAC (pure resistive load)
O Temperature sensor: NTC R25=5kΩ, B (25/50) = 3470K
O Executive standard: Q/320585 XYK (NA320-CTDA)
