122 Rinnai I-Series Condensing Boiler Combi Manual
1. Locate the PC Board (lower le side of unit) (Figure 3).
2. Locate the red buon on the PC Board (Figure 3).
3. Press and hold the red buon for ve seconds (Figure 3).
4. Press the Mode buon on the controller.
5. Scroll to parameter AO and press the
Select buon.
6. Press the (Up) or (Down) arrows to select
the appropriate gas type.
• Select A for Natural Gas (NG)
• Select for Propane (LP)
Then, press the Select buon.
7. Parameter sengs are complete. To enter normal operaon mode, press the Mode buon.
Figure 3
PC Board
Press and Hold
Red Buon
for Five Seconds
NATURAL GAS
PROPANE
01-a
A0-a
a0-
A0-a