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WARNING
IMPORTANT
To prevent cold air from being produced, it is recommended to set Parameter 42 to "A - Continuous
Run." See the "Rinnai I-Series Boiler Installation and Operation Manual" for more information.
5.6.3.1 Install Switch Circuit Board
1. Power OFF the boiler by unplugging the power cord or turning off the circuit breaker. The controller
on the boiler does not control the electrical power.
2. Remove the front panel of the boiler by removing the four screws that secure the panel in place.
3. Locate the PC Board in the bottom, left corner of the boiler.
4. Connect one end of the boiler air handler cable to the accessory port on the PC Board. Connect the
other end of the cable to the switch circuit board accessory port.
Hydronic Air Handler Installation and Operation Manual
Ensure the power supply to the boiler and hydronic air handler is disconnected
before starting installation. Removing the front cover will expose live mains
voltage connections.
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