Direct Vent Tankless Water Heater - Alpine Home Air Products

How to Set the TemperatureDANGERHot water can be dangerous, especially for infants or children, the elderly,or infirm. There is hot water scald potential if the thermostat is set too high.Water temperatures over 125º F (52º C) can cause severe burns orscalding resulting in death.Hot water can cause first degree burns with exposure for as little as:3 seconds at 140º F (60º C)20 seconds at 130º F (54º C)8 minutes at 120º F (49º C)Test the temperature of the water before placing a child in the bath orshower.Do not leave a child or an infirm person in the bath unsupervised.1. If the water heater is off, pressthe ON/OFF button to turn on.2. Press the “Priority button” on thetemperature controller. Thegreen Priority light will glowindicating that this controller iscontrolling the temperature andthat the Rinnai water heater isready to supply hot water.The priority can only be changedwhile no hot water is running.3. Press the ▲ or ▼ buttons toobtain the desired temperaturesetting.All hot water sources are able toprovide water at this temperaturesetting until it is changed again atthis or another temperaturecontroller.Temperature Controller SettingsNOTICENOTICENOTICENOTICEWhile any hot water is being provided,the temperature setting can only beadjusted between 98º F and 110º F.Check local codes for the maximumwater temperature setting allowedwhen used in nursing homes, schools,day care centers, and all other publicapplications.If a newly installed unit with acontroller has not been powered for atleast 6 hours then the temperature willreturn to the default setting of 104º F(40º C) if power is interrupted.There may be a variation between thetemperature displayed on thetemperature controller and thetemperature at the tap due to weatherconditions or the length of pipe to thewater heater.This water heater will attempt to provide hot water at the temperature setting even when the water flow is variedor when more than 1 tap is in use. The water heater can deliver water at only one temperature setting at a time.The available temperatures for a given model are provided below.ModelR75LSi 98 100 102 104 106 108 110 115 120R98LSiR98LSi-ASMETemperature Settings Available (ºF)R94LSi 98 100 102 104 106 108 110 115 1208 VB Series Indoor LS Manual125*130*135*140*98 100 102 104 106 108 110 115 120 125 130 135 140Temp in Celsius ºC 37 38 39 40 41 42 43 46 49 52 54 57 60 66 71 85An older controller, MC-45, can be installed with the R75LSi and R94LSi by moving switch No. 6 in the bank of 6switches to ON. Some of the temperature settings will be slightly different from the above table.125*130*135*140*150**150**150**160**160**160**185**185**