Rinnai Zen I24 User And Installation Manual page 35

How to register(for iOS users)
8 - Select Ⓐ Wi-Fi setting menu on the setting
screen.
Ⓐ
9 - Select the item with 4-digit unique ID displayed
on temperature controller.
● Type of temperature controller display.
Rinnai - ####(4-digit unique ID)
※123A is changed according to each device.
PUSH
(4-digit unique ID)
44