220V Instant Water Heater 5500W Electric Tankless Water Hot Heater with G1/2 Caliber for Household Item Type: Instant Water Heater Material: ABS Weight: Approx. 1489g / 52.5oz Water Inlet: Cold water from the lower right (blue) into the water heater after heating from the lower left (red) out of the water Rated Voltage: 220V Rated Frequency: 50Hz Rated Power: 5500W Rated Pressure: 0 MPa Waterproof Level: IPX4. Power Supply Connection: Positive (Blue), Negative (Brown), Ground (Yellow Green) Power Cord Size: 2.5mm² Instructions for use: When using for the first time or when the tap water stops, turn off the power first, then turn on the water outlet switch. The shower head has a continuous water outlet and can be charged. (if this is not the case, the machine may be damaged.) 1. LED display Power on display Digital screen standby dark light, long light shows the state of the water temperature, blinking when the set temperature state. When heating, the screen flashes, indicating that the water flow is small or high temperature. When "LL" is displayed, it means that the water flow is large and the temperature is too low. When "E*" is displayed, it means that the product self test is faulty and the heating stops. When "-" is displayed, it means shutdown state, it means shutdown without heating. Temperature Setting Range: 35-55℃. Cycle pressurization to heating. 2. Touch key The left key is the power on key, long press for 3 seconds to turn on or turn off the power. The right key is the temperature setting key, cycle press to increase the temperature. Every time there is a key operation, the buzzer will sound. 3. This product model has a hibernation function. No operation, no water flow, it will go into the dormant state. After 6 seconds, the state is stationary. When there is operation and water flow, it will be highlighted immediately. 4. This product model has constant power constant temperature heating mode. The heating mode is automatic. Select according to the use environment and heating conditions. When the heating temperature reaches 60; when working in constant power heating mode, it will stop heating, and when the temperature is lower than the temperature setting value, it will start heating. The constant temperature mode is preferred when the working conditions of the machine are met.