Rinnai Zen I24 User And Installation Manual page 31

How to register(for Android users)
9 - Select the item with 4-digit unique ID displayed
on temperature controller.
● Remote controller item type.
Rinnai - ####(4-digit unique ID)
※123A is changed according to each device.
10 - Registration of remote controller has been
successfully completed.
Wi-Fi registration is complete.
※Start over from step1 if registration fails.
(4-digit unique ID)
40
PUSH