Rheem RTE 27 Series Use and Care Manual - Page 11

Operating the water heater. WARNING: If the water heater has been subjected to flood, fire, or physical damage, turn off power and water to the water heater. Do not operate the water heater again until it has been thoroughly checked by qualified service personnel. Preparing the Water Heater for Operation ! Warning: Open hot water faucet for a few minutes until water flows in continuous and all air is purged from water pipes. degree so that water flow is "typical" i.e. until the water flow is the same as that encountered during normal use. 1. Turn temperature knob to lowest setting. 2. Turn on circuit breaker to bring electrical power to the unit. 3. Open hot water faucet to a 4. Wait twenty seconds until temperature has stabilized. Then check water temperature. If temperature is too low, increase temperature setting on heater thermostat. ! DANGER: There is a hot water scald potential if the thermostat is set too high. Households with small children, disabled, or elderly persons may require a 120°F or lower thermostat setting to prevent contact with HOT water. Water Temperature Setting The temperature of the water in the water heater can be regulated by setting the temperature dial. Safety and energy conservation are factors to be considered when selecting the water temperature setting of the water heater's thermostat(s). The lower the temperature setting, the greater the savings in energy and operating costs. Water temperatures above 125°F can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined in this manual and on the label on the water heater. Mixing valves for reducing point of use water temperature by mixing hot and cold water in branch water lines are available. Contact a licensed plumber or the local plumbing authority for further information. The chart on top of the next page may be used as a guide in determining the proper water temperature for your home. Temperature Adjustment When "Standby Mode" is illuminated, the unit is not active and the elements are not energized. Thermostat dial pointer When the "System Active" is illuminated, there is a call for hot water and the elements are energized. 11