Earth leakage sensing device (elsd) Cuts off the power supply if there is a risk of current leakage Pressure relief device Prevents excessive buil-up of water pressure inside the heater unit pressure build-up above bar will trigger the device Protection againts water Protection againts water entering the heater stringent test conducted according to international standard Thermal cut- out Prevents the water from being overheated by cutting off the power supply to the heater unit at controlled points Flow switch system The heater only operates when there is sufficient water flow safe and save energy as well Electrical rating Power 30kw to 55kw Voltage 220v - 240v Frequency 50hz Operating condition Open outlet Protection against electric shock Class 1 Water temperature control Electronics Protection against water Ip25 Minimum flow rate 3 liter/minute Minimum pressure 20 kpa (02 bar/29 psi) Maximum pressure 03 mpa (3 bar/435 psi) Pressure relief device Relief pressure at 5 bar / 725psi and above Heater dimension 230mm(w) x 380mm(l) x 68mm(h) Nett weight 18 kg
