Cleaning and maintenance
8.3
Discharge air from the installation
and fill it with water
WARNING:
Material damages caused by heat
straining. Filling the heating installation in a warm
state can cause cracks due to tension.
Fill the heating installation in cold state
only (temperature of the starting line
maximum 40
°C).
WARNING:
Material damages caused by
frequent
filling!
Due to frequent filling of heating installation with
water, it can be damaged by corrosion or by
formation of limescale, depending on the
properties of water.
Inspect the heating installation for
impermeability, and the expansion
container for functionality.
Connect the hose to the water tap.
Fill the hose with water and attach to the hose
connector of the tap for charging and discharging.
Fasten the hose with the clout of the hose and
open the charging and discharging tap.
Fill the heating installation slowly and monitor the
overview of pressure (manometer).
Discharge the air during the filling process.
Close the discharging tap when the operating pressure is reached.
Water must be refilled when the operating pressure
drops due to discharging of air.
Remove the hose from the charging and discharging tap.