WL400 Manual Page 10 – Revision: 10-23-2019OPERATING INSTRUCTIONSThe above picture shows front dispensing panel for the Waterlogic WL400 Water Treatment System.Button Operational UseCOLD WATER: Press the Cold-Water selection button. There may be a 2second delay as Firewall™ UV lamp purifies the water and the Firewall™.Sensor ensures your safety. Blue light will illuminate the dispense area.AMBIENT WATER: Press the Room Temperature (Ambient) Waterselection button. There may be a 2 second delay as Firewall™ UV lamppurifies the water and the Firewall™ Sensor ensures your safety. Greenlight will illuminate the dispense area.HOT: Press and hold both the Hot Water 185°F (85°C) and the Extra HotWater selection buttons simultaneously for 2 seconds and hot water willdispense. This is a child safety feature. Red light will illuminate thedispense area.EXTRA HOT: Press the Extra Hot Water Selection button to elevate thehot tank to 203°F (95°C). Allow a few minutes for the temperature to risein the hot tank.Press and hold both the Hot Water and the Extra Hot Water selectionbuttons simultaneously for 2 seconds and hot water will dispense. This isa child safety feature. Red light will illuminate the dispense area.WARNING! Unit produces Very Hot Water up to 203°F (95°C). Waterabove 125°F (52°C) can cause severe burns or scalding. Keepunauthorized people and children away from the unit to avoidaccidental dispensing of hot water. Children should not use withoutsupervision.