Installation Guide

70 Rinnai Tankless Water Heater Installation and Operation Manual
The controller panel allows you to adjust the
water temperature, lock the controller on a set
temperature, and view diagnostic information.
To unlock the controller, follow the above steps.
1. To lock the integrated controller, press and
hold down the “Priority” button (Figure 74).
2. While holding down the “Priority” button,
press the up arrow button (Figure 74) until
a beep is heard (approximately 5
seconds). Then, release both buttons at
the same time.
3. A key illuminates when the controller is
locked.
To eliminate the beeps when keys are pressed,
press and hold both the up and down arrow
buttons (Figure 73) at the same time until a
beep is heard (approximately 3 seconds).
Then, release both buttons.
To turn on the beeps, repeat the above steps.
“In Use” light. Indicates the water
heater is in use
Indicates the controller is locked
Allows Bluetooth pairing for setup
“Priority” button. Enables controller
when multiple controllers are used
Display
Increases hot water temperature
Turns the water heater on or off
Decreases hot water temperature
The integrated controller “In Use” light flashes
based on the operation status of the water
heater and integrated pump.
NOTE
For outdoor installations, the controller is
automatically locked after 30 minutes inactivity.
Indicates ignition
and water flow.
Indicates ignition and
pump operation.
Indicates pump operation
with no ignition.
Solid Light
Slow Flash
Rapid Flash
Figure 75
Figure 74
Figure 73
Figure 72
Table 29
7
6
5
4
3
2
1
8
1
2
3
4
5
6
7
8