1Press the Power On/Off Button.The temperature will bedisplayed on the remotecontrol thermostat.Set temperature.(Always check the temperaturesetting before use. )Turn on hot water.Turn off the hotwater.How to Use (Using the optional remote controller)Setting and Using the Water HeaterHotColdOnPrevious set temperature(Ex.: 115°F)OnIf fixtures incorporate mixing valves, set the temperature higher than usual.* For most residential applications, the recommended setting temperature is 120°F / 50°C (122°F) or less.* Consult local codes for minimum operating temperatures.( °C (°F): )The temperature settings below are examples. The temperature settingnecessary depends on the usage, the length of piping and the time of year.*Initial factory setting is 46°C (115°F)Shower, hot water supply, etc. High temperature46 47 48 50 55 60(115) (117) (118) (122) (131) (140)The maximum output temperaturecan be set using the remotecontroller. (page 15)When using °F mode:When using °C mode:Check the indicator lights.Water temperatureOnOff*Initial factory setting is 115°F115 120 125 130 135 140Shower, hot water supply, etc. High temperatureThe maximum output temperature can be set using the remote controller. (page 15)( °F: )The temperature settings below are examples. The temperature settingnecessary depends on the usage, the length of piping and the time of year.STOPHot water