The JC3.5/YC350 Differential Pressure Controller is a protection device that prevents the compressor from damaging the compressor due to insufficient pressure in the lubricant. If the oil pressure cannot be established within 60 seconds after the refrigeration compressor is started, the differential pressure controller will automatically cut off the power to ensure the safe operation of the system.
contact usThe JC3.5/YC350 Differential Pressure Controller is a protection device that prevents the compressor from damaging the compressor due to insufficient pressure in the lubricant. If the oil pressure cannot be established within 60 seconds after the refrigeration compressor is started, the differential pressure controller will automatically cut off the power to ensure the safe operation of the system.
It must be installed at a small vibration position .The pressure chamber marked "Low pressure" must be connect to low pressure side (crankcase of compressor). Another pressure chamber marked "high pressure" must connect to outlet of lubrication oil pump.
Push reset button first after power supply. To reset because of system that leading to controller cut off, it have to be resetted after 5 minutes. Otherwise ,it won't function .The factory setting point is 0.1Mpa.
When wiring, comply with electric regulation and power supply requirement in order to avoid damages.
Factory setting is under 380V of power supply. If you want to use 220V power supply, you must connects L2 and 220V。
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