For On/OFF 220V Digital Automatic Air Pump Pressure Controller Switch 0-10 Bar 1/2'' Interface Water Oil Compressor

Features: Pressure transimitter inside, stable and accuracy. Switch of the pump during water shortage and on with water. Micro computer process chip, safe and intelligent control. One-click set up on/off limit. Specification: Plug:EU Plug Waterproof: IP65 Fluid Temperature: 80 degrees Relay Capacity: 220V AC 10A Wiring:White: Positive / Black: Negative / GreenYellow: Ground Working Pressure Range: 0-10 Bar, matching with all pumps Output signal: active output, to provide pump 220V, start the pump below 1.5KW directly Installation Remarks: If the pump doesn't have a check valve, then a check valve must be installed in front of the pressure, in this case the pump may on/off ,ore frequently. When you turn on the tap water, if the pump is on/off time to time, please adjust the H valve to a larger valve. If the pump keep runs with stopping, please lower the H valve, on the other hand, if th epump doesn't work, please set the L valve higher. Package Includes: 1 x Pressure Switch