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• LJXH four Wires Harpoon Type 304SUS Solar Water Heater Controller Accessories Side and Top Mounted Sensor for Water Tank Specifications:Product Name: four Wires SensorWater Level Wire: Red/BlueTemperature Wire: Green/WhiteSensor Length: 30cmSignal Cable Length: 50cmOperating Voltage: 220VMounting Method: Side-mounting/Top-mountingSensor Material: 304 Food Grade Stainless SteelPackage Contents: 1 x sensor Notices:1. When the ensuing disasters happen to the instrument, it may be that your sensor is broken) The water temperature displays E1, EE, 00, ninety nine or -- or the water point and water temperature bounce randomly) The water level light is off or all on; the water level would not drop or drops rapidly or rises quickly; the water point mild exhibits up and down, but doesn't show within the middle) The water level is displayed, but there is not any water in the water tank. There is a giant error between the displayed water temperature and the actual water temperature. 2. How to make your mind up a 2-wires or 4-wires sensor?1) Cut off the sensor sign cable. If there are 2 wires, prefer a 2-wires sensor; if there are four wires, want a 4-wires sensor) Observe the fast plug of the machine sensor. If it's a 4-pin and 4-hole connection, want a 4-wires sensor; if it is a 2-pin and 2-hole connection, favor a 2-wires sensor) Observe the indoor instrument. If the software sensor has fully 2 screw interfaces, then it's going to just be related to a 2-wires sensor; if the device sensor has four screw interfaces, then it's a 2-wires and 4-wires general-purpose instrument, please follow the unique selection. 3. How to do the wiring?Adjust the change to the 4-wires position, and fasten the sign wires to "red, blue, green, white" in step with the color. If the reveal is abnormal, change the wiring positions. (or let the short plug of the software 180 degrees turning would be ok)

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