Rinnai I Series Technical Bulletin

4 TB-158
7/2019
Parameter
Number
Funcon/Descripon
Selecon
A
(Default)
b
12
• Select opon A for Crossover Mode
• Select opon b for Dedicated Mode
Crossover
Mode
Dedicated
Mode
13
Yes
(Timer)
No
(No Timer)
• Select opon A if a mer is used to control DHW recirculaon
• Select opon b if a mer is not used to control DHW recirculaon
Congure the Boiler for DHW Recirculaon:
Note: Refer to the Boiler Installaon and Operaon Manual for complete DIP Switch and Parameter
Seng instrucons.
1. Remove the boiler’s front panel.
2. Locate the PC Board (lower le side of unit).
3. Locate the DIP switches on the PC Board (see below). Adjust DIP switch 3 to the ON posion.
DIP Switch 3
PC Board
ON
4. Locate the Parameter Sengs buon on the PC Board (red buon). Press and hold the red
buon for ve seconds to enter into Parameter Sengs mode.
5. Adjust Parameters 12 and 13 to the desired sengs shown in the table below.
Parameter Sengs buon
Step 1: Set DIP Switches and Parameter Sengs

Rinnai I Series Specifications

General

Brand	Rinnai
Model	I Series
Category	Boiler
Language	English