Instructions / Assembly

12 Outdoor Conversion Manual
7. Follow the steps in the Rinnai Central™
app to change your tankless water heater
settings.
8. When settings are complete, the controller
display will appear blank (the display will
turn off).
9. Tankless water heater setup is complete.
Press the “On/Off” button to turn on the
tankless water heater.
“On/Off”
button
1. Supply power to the tankless water heater
for the first time. The controller displays
“SEt” and the “Priority” button LED light on
the controller is blinking.
2. Press the “Priority” button. The controller
displays “nG” (natural gas).
nG
3(A). If using natural gas: Press the “On/Off”
button to confirm natural gas. Then,
proceed to step 4.
If using propane gas, skip this step and
proceed to step 3(B).
nG
SEt
“Priority”
button
“On/Off”
button
LED light
“Priority”
button
The controller is automatically locked after 30
minutes of inactivity. To unlock the controller:
1. Press and hold down the “Priority” button.
2. While holding down the “Priority” button,
press the up arrow button until a beep is
heard (approximately 5 seconds). Then,
release both buttons at the same time.
Note: The key symbol on the controller will not
illuminate, indicating the controller is unlocked.
“Priority”
button
Up arrow
button
Key symbol
If the gas type is changed, you must power
cycle the water heater (turn off electrical power
to the water heater, then turn on power again).
Power can be turned off by unplugging the
power cord or turning off electricity at the circuit
breaker. The controller does not control the
electrical power to the water heater.
IMPORTANT
IMPORTANT