Figure 38
Figure 39
Rinnai Tankless Water Heater Installation and Operation Manual
45
Display
Increases hot water temperature
Decreases hot water temperature
Enables controller when multiple
controllers are used
Turns the water heater on or off
5.3 Control Panel
The water heater includes a controller. For indoor
models the controller is integrated into the front
cover. For outdoor models, the controller is located
inside the front cover.
5.3.1 Setting the Controller to
Mute
To eliminate the beeps when keys are pressed,
press and hold both the
(Up) and
(Down)
buttons at the same time until a beep is heard
(approximately 5 seconds). Then, release both
buttons.
To turn on the beeps, repeat the above steps.
5.3.2 Locking the Controller
1. To lock the internal controller, press and hold
down the “Priority” button.
2. While holding down the “Priority” button,
press the
(Up) button until a beep is heard
(approximately 5 seconds). Then, release both
buttons at the same time.
3.
appears in the display indicating the
controller is locked.
To unlock the controller, follow the above steps.
The display flashes between and the set
temperature to indicate the controller is locked.
NOTE
Figure 37
Table 20
