Sime AQUA Serie Manual De Instrucciones Para El Usuario página 84

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-
AQUA 30-40-PR 40 OF/30-40 BF
84
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
2
bar
1 3
0 4
OPEN
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.
ORANGE LIGHT ON
AQUA 30-40 OF/BF INOX
2
bar
1 3
0 4
Fig. 24