Customised PLC control systems

Power su pply: three-phase fi ve wi re (or th ree-phase four wi re) AC380V 50/60Hz

Temperature range: -50~100°C temp erature control accu racy: +0. 1°C

Pressure accu racy: + 0. 1b ar

High press ure range: 0 ~ 30b a

Low p ressure range: - 0. 8 ~ 7b ar

Pressure s ensor: 2-way input si gnal 4 ~ 20mA

Temperature s ensor: 3 -way NTC-5 0~100°C

line l ength customi ze

line l ength customi zed

Working environment temp erature: 0℃ ~ 60℃

Working environment hu midity: 20%~85 %, no condensati on.

Box color: gray, green

Application: suitable for 40-500p (2-4) valve refrigeration unit control

Product details: parallel unit control box

Models election: single machine, two parallel, three parallel, four parallel.

Function features: adjust the number of compressor units and energy regulation level according to low pressure, eco

control, oil system control, condenser control, alarm prompt, external control input. the protection has phase sequence alarm, high / low pressure protection alarm, oil level protection alarm, oil cooler current alarm, 1 #/2#oil cooler currentalarm,1#compressor current alarm, 1#compressor temperature alarm, 1#compressor oil flow alarm,1#compressor oil filterprotection, oil temperature sensor disconnection alarm, high / low pressure sensordisconnection alarm. Power supply:three-phase five wi re (or th ree-phase four wi re) AC380V 50Hz