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Application: suitable for control of 40-500 p (2-4) screw compressor
Type: single models, two parallel, three parallel, four parallel.
Function characteristics: Adjust the working number of compressor and energy regulation level of compressor according to the low pressure. Economizer (ECO) control, Oil system control , Condenser control, The alarm/ prompt equipment maintenance period, Input by external control. Phase sequence protection alarm,discharge/suction pressure protection alarm, oil level protection alarm, oil cooler current alarm,1#/2# condenser current alarm, 1#compressor current alarm,1#compressor temperature alarm,1#compressor oil flow alarm, 1# compressor oil filter, protection, oil temperature sensor wire break alarm, high/low pressure sensor wire break alarm
Power: three-phase five-wire(or three-phase four-wire)AC 380V  50Hz
Control Accuracy:±0.1℃
Pressure Accuracy :±0.1 bar
Suction Temperature Range:-50~50℃
Discharge Temperature Range:-50~150℃
High Pressure Range:0~30bar
Low Pressure Range:-0.8~7bar
Pressure sensor 2 channels   Input Signal 4~20mA ,the length of wire is 3m
Temperature Sensor 1 channels  NTC(5KΩ/25℃,the value of B is 3470), the length of wire is 5m
Working Environment Temperature:0℃~60℃
Working Environment Humidity:20%~85%,no condensation.
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