I have an oil fired boiler with a hydrostat 3250 Plus control and I am trying to find the best settings based on some parameters that I can measure. I have a micro controller that can log data to an excel file. I have 4 temperature sensors and a current probe to tell me when the burner is on. The 4 sensors are as follows 1- on the hot water pipe a few feet above the boiler. 2- just above the circulator on the pipe. 3- next to the thermostat. 4- outside the house.
Here is a sample summary report I can generate after 2000 readings, about 1.4 days test time.
I can't measure the amount of oil I consume but I can tell how long the burner is on for a given average temperature. The Riello burner has a rating of 0.62 GPH, with a particular nozzle. I was thinking that it is probably by running this test several times I could determine the Burner on the time for a given temperature. By using the Burn time * the 0.62 * some factor for average temperature I could get some result.
This graph shows the Burner on in grey and the Circulator water in blue. The contractor that installed the boiler left me with these settings. I am reading the Hydrostat manual and trying to optimize the settings.
Has anyone found a good way to improve the efficiency by adjusting the settings?
Here is a sample summary report I can generate after 2000 readings, about 1.4 days test time.
I can't measure the amount of oil I consume but I can tell how long the burner is on for a given average temperature. The Riello burner has a rating of 0.62 GPH, with a particular nozzle. I was thinking that it is probably by running this test several times I could determine the Burner on the time for a given temperature. By using the Burn time * the 0.62 * some factor for average temperature I could get some result.

This graph shows the Burner on in grey and the Circulator water in blue. The contractor that installed the boiler left me with these settings. I am reading the Hydrostat manual and trying to optimize the settings.
Has anyone found a good way to improve the efficiency by adjusting the settings?