Relay Output #2 Programming ( Used for Boiler #1 )
As you can see, the first boiler stage is enabled to operate if the water temperature is below 175°F and will remain on until it rises to 190°F. This first stage can only operate if the outdoor air enabling relay #1 is active. Once activated, the boiler must remain on for 5 minutes (300 seconds) and once
Since we are not resetting the operating setpoint, the Reset Source has been left as “None Selected”. We also don’t require a “Logical AND” or “Logical OR” condition so they have been left Not Configured. There is no need to enable this output from a schedule since it uses an Enabling Relay (OAT Enable) which does require the schedule before it can activate based on the Outside Air Temperature.
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