System Filling - Radiant R1K User Manual

3. USE

1.1.8. SYSTEM FILLING

To restore the water pressure inside the system
open the loading tap "R" (fig. 1) and make sure
M
using pressure gauge "M" (fig. 1), that the system
pressure reaches 1.2 bar (see fig. 2).
After performing this operation, make sure that the
loading tap "R" (fig. 1) is properly closed.
After the water pressure reset the boiler will
automatically perform a 2 minutes system relief
R
cycle. Throughout this function the display will fig. 1
show the code "F33". The boiler can work normally
only after completing the operation.
fig. 2
12
R1K 25 RAIN - RAD - ING - Man.Ut. - 1901.1_firm.L224C_AHS