Installation Sheet
58 Rinnai Tankless Water Heater Installaon and Operaon Manual
4.2 Controller
Seng the Controller to Mute
Locking the Controller
The controller panel allows you to adjust the water temperature, lock the controller on a set temperature, and view
diagnosc informaon.
To eliminate the beeps when keys are pressed, press and hold both the
(Up) and (Down) buons at the same me unl a beep is heard
(approximately 3 seconds). Then, release both buons.
To turn on the beeps, repeat the above steps.
1. To lock the internal controller, press and hold down the “Priority” buon.
2. While holding down the “Priority” buon, press the (Up) buon unl
a beep is heard (approximately 5 seconds). Then, release both buons at
the same me.
3.
appears in the display indicang the controller is locked.
Note: The display ashes between and the set temperature to
indicate the controller is locked.
To unlock the controller, follow the above steps.
Display
Decreases hot water temperature
Increases hot water temperature
Indicates the water heater is in use
Turns the water heater on or o
Enables controller when mulple
controllers are used
LOC