Meco Automatic Digital Pressure Controller On Off Switch 220v For Water Ail Gas Pump

Specification: Working Pressure Range: 0-10 Bar, matching with all pumps Relay Capacity: 220V AC 10A. Output signal: active output, to provide pump 220V, start the pump below 1.5KW directly. Fluid Temperature: 80 degrees Waterproof: IP466 Long Life: can be used continuously for more than 20 million times. Socket type: International three flat pins plug Wiring:(3 wires) White: Positive Black: Negative Green&Yellow: Ground Overall Size: 85x52x112mm Cable length: the Long one is 88cm ; the short one is 35cm. Package Size: 12x9.3x9.8cm(LxWxH) Features: - Pressure transimitter inside, stable and accuracy. - Switch of the pump during water shortage and on with water. - MCU micro computer process chip, safe and intelligent control. - One-click set up on/off limit. Installation remarks: 1. 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. 2. 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. 3. 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. Note: 1. (IMPORTANT) Professional Installation Is Highly Recommended. 2. Please check the size measurement chart carefully before making payment. 3. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 4. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Package included: 1 x Pressure Switch 1 x English user maual