Sime AQUA 25 BF TS Manual De Instrucciones página 76

has pressure values at a switched-off
system of 1 - 1.2 bar.
If the orange water pressure gauge
light turns on inhibiting boiler opera-
tions, restore operations by turning
the supply tap counter-clockwise.
After the operation check that the tap
is properly closed (fig. 24).
Should the pressure exceed the fore-
ORANGE LIGHT ON
76
seen limit, discharge the superfluous
amount by operating on the vent knob
of any radiator.
CLEANING AND MAINTENANCE
At the end of each heating season, it is
essential to have the boiler thoroughly
checked and cleaned out.
Preventive maintenance and checking
of the efficient operation of the equip-
ment and safety devices must be car-
ried out exclusively by the authorised
technical staff.
2
bar
1 3
0 4
OPEN
Fig. 24