OPERATING MANUAL STEAM SYSTEM
www.modbar.com Document 003-0042-1.1| Software Version 2.0
home -> main settings -> preferences -> advanced -> page 2
Fill button: In the event that the fill probe is not correctly causing the boiler to fill, this will allow you to
manually fill the boiler until service can be performed to correct the problem. This button will fill the
boiler while it is pressed and held. Release the button once the water fills approximately half of the sight
glass.