Installation Sheet

58 Rinnai Tankless Water Heater Installaon and Operaon Manual
4.2 Controller
Seng 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
diagnosc informaon.
To eliminate the beeps when keys are pressed, press and hold both the
(Up) and (Down) buons at the same me unl a beep is heard
(approximately 3 seconds). Then, release both buons.
To turn on the beeps, repeat the above steps.
1. To lock the internal controller, press and hold down the Prioritybuon.
2. While holding down the Prioritybuon, press the (Up) buon unl
a beep is heard (approximately 5 seconds). Then, release both buons at
the same me.
3.
appears in the display indicang 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 mulple
controllers are used
LOC