Rinnai REU-V2520FFUD User Manual

NOTE: With power interruption, water heater will automatically default to the ON position to 

provide hot water.

Indicates the selected water 

temperature. Error messages flash 

in the event of a failure.

Used to switch the water heater on 

and off.

Pressing takes control of the water 

temperature by this controller only 

when all taps are open.

Enables the user to set  the clock 

and sound volume functions.

Increases or decreases the desired 

water temperature.

Indicates that a hot water tap is open 

and that control of the temperature is 

taken at another controller.

Indicates the selected hot water 

temperature.

12 Hour AM / PM clock. In the event 

of a fault, codes for error messages 

will flash here.

Allows user to contact another 

controller. Can be used as a 

communication channel for errands 

or in emergency situations.

Indicates that a hot water tap is open and that control 

of the temperature is taken at another controller.

Pressing takes control of the water 

temperature by this controller only 

when all taps are off.

Allows user to contact another 

controller. Can be used as a 

communication channel for errands 

or in emergency situations.

12 Hour AM / PM clock. In the event 

of a fault, codes for error messages 

will flash here.

Increases or decreases the desired 

water temperature.

Used to select the voice prompt 

volume.

Used to select Water Smart / Bath Fill Function.

Used to switch the water heater on 

and off.

Used to select Water Smart / Bath 

Fill Function.

Indicates that the remote is in the 

energy saving mode.

Used to select Water Smart / Bath 

Fill volumes.

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