Rheem AP13731 warranty Water Temperature Setting…

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Notice: The remote controller cannot be turned on when water is flowing or circulating through the water heater.

Water Temperature Setting…

Maximum water temperature occurs while the burner is on. To determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream. Water temperature at the faucet may vary depending on season and length of pipe from the water heater.

The factory setting of the remote control temperature range is between

100°F (38°C) and 120°F (49°C).

The remote control is factory preset to 100°F (38°C).

To turn the remote control ON or OFF, press the POWER button.

To adjust the temperature to a required setting , press the UP arrow temperature button.

Pressing the UP or DOWN temperature adjustment buttons will change the temperature set point.

The temperature set point on the remote control cannot be increased above 112°F (44°C) when a hot water faucet is in the open position.

Notice: The factory setting allows operating temperatures between 100°F (38°C) and 120°F (49°C). Temperatures of up to 180°F (82°C) can be achieved with the MAIN (UMC-117) remote control and a dip switch adjustment. Only qualified service personnel should perform this adjustment. Only factory authorized remote control(s) should be used.

The hottest temperature water will be at the hot water faucet closest to the water heater.

Always remember to test the water temperature with your hand before use and remember that hotter water increases the risk of scald injury.

Always supervise young children or others who are incapacitated.

The water heater is equipped with a device that will shut off the gas supply to the burner if the water heater exceeds normal operating temperatures. Refer to the (Before You Call For Service) section located near the back of this manual, or contact your dealer.

!WARNING: Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the appliance.

If the water heater has been subjected to fire, flood or physical damage, turn off the manual gas shut-off valve(s), and do not operate the water heater again until it has been checked by qualified personnel.

Notice: The water heater may not operate with a small water flow. In such case, increase the water flow. If water heater still does not operate and hot water faucet is completely open, increase the temperature setting on the remote control.

Notice: Display shows °F only.

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Priority Indicator

In Use Indicator

(Lit during operation)

LED Display

PRIORITY

Temperature

 

(Displays water

°F

Adjustment

temperature and error

Buttons

 

codes)

 

 

 

POWER

ON/OFF

 

ON/OFF

Indicator

 

 

Higher (Hotter)

Lower (Cooler)

100 102 104 106 108 110 112 114 116 118 120* 125 130 135 140 150 160 170 180 °F 38 39 40 41 42 43 44 46 47 48 49* 52 54 57 60 66 71 77 82 °C

*Temperatures above 120°F (49°C) can be achieved by adjusting the dip switch. See page 35 for dip switch adjustment.

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Contents Tankless Water Heater That will result in death or serious You can find them on a label on the applianceInjury Installand Properly Vent the Water HEATER… N G E R Natural GAS and Liquefied Petroleum Models Read and Follow this Safety Information Carefully Installing the Indoor water heater Location of Indoor Water HeaterInstalling the Outdoor water heater Location of the Outdoor water heaterInstalling the water heater Combustion and Ventilation Air Indoor Water Heater OnlyCorrosive Atmospheres Inspect ShipmentMounting the Water Heater Water Supply ConnectionsRelief Valve Lines.ReliefLeak Testing Pressure Testing the Gas Supply SystemGas Supply High AltitudeVenting Venting LengthsMaximum Vent Length Minimum Vent LengthVent Adapter Venting Through Closed SpacesDraining the Condensate US Installations Horizontal Vent Terminal LocationIndoor Water Heater Additional ConsiderationsVent Horizontal Wall Thimble Installation Vertical Vent Installation Vertical Vent Termination LocationRemote Control Installation Remote ControlAvailability Model Number DescriptionInstalling the Main Remote Control Connecting the remote control to the water heaterPower Cord Indoor water heaters only Electrical ConnectionTypical Installation of Indoor Water Heater Not SuppliedInstalling the water heater Typical Installation of Outdoor Water HeaterHot and Cold Pipe Insulation Installation During Installation of this water heaterInsulation Blankets Do’sInstallation Check List Lighting the water heater To Turn OFF GAS to ApplianceSafety Precautions Water Temperature SettingTime/Temperature Relationship in Scalds Operating the water heaterWater Temperature Setting… Housekeeping Routine Preventative MaintenanceDrain heater. See Draining The Water Heater section on Burner Inspection Venting System InspectionVacation and Extended Shut-Down Draining the Water Heater Freeze ProtectionBefore You Call For Service… Indoor Water Heater Only Outdoor Water Heater OnlyReplacement Parts Instructions For Placing a Parts OrderTemperature Setting DIP Switch Adjustment If YOU Need Service