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6.4. OPERATIONAL TEST
After having carried out the maintenance operations, fill the heating
circuit to a pressure of approx. 1.5 bar and release the air from the
system. Also fill the domestic hot water system.
- Place the boiler in operation.
- If necessary, release the air again from the heating system.
- Check the settings and the correct functioning of all the control,
regulation and monitoring parts.
- Check the seal and the correct functioning of the system for
expelling fumes/drawing of combustion air.
- Check that the boiler ignites properly and carry out a visual
check on the burner flame.