Installation Guide

96 Rinnai I-Series Condensing Boiler Combi Manual
When the recirculaon logic starts, the pump will operate as described below.
• When the boiler detects the crossover valve is closed, the pump will turn o.
• Aer the o interval mer of the boiler has passed, the pump will turn on again.
• A minimum ow rate 0.5 GPM (2 L/min) is needed for the boiler to operate correctly
(maximum current: 2 Amps). Select the proper pump size based on the crossover valve
and DHW system pressure loss.
Note: The maximum current permissible to connect to the DHW_Pump connecon is 2 Amps.
Timer Connects to T/T 2 Terminal
Cross Over Valve
Cold Water Supply Line
Gas Supply
Building Outlets
Hot Water Supply Line
DHW
Recirculaon
Pump
Timer
DHW Recirculaon Pump Connect to
“DHW_Pump Terminal” (label on PC Board)