Pressure gauge
The pressure gauge located
on the right hand part of the
front panel should display a
pressure between the pre-
pressure of the expansion
vessel (normally 0.5 – 1.5 bar).
If the pressure is too low, there
is a risk that not all the radiat-
ors will heat up. If the pressure
is too high, the safety valve
must release excess water. The
highest pressure is obtained
when it is coldest outdoors.
Water must be topped up
when necessary, see the sec-
tion ”Commissioning and ad-
justing” – “Filling”.
Temperature gauge
The temperature gauge loc-
ated on the right hand part of
the front panel displays the
present boiler/supply temper-
ature.
Operating fuse
The boiler's circulation pump
and operating circuits are
fused by a 2.5A glass fuse. This
is accessible from the front of
the panel. If the fuse has
tripped, the cause must be es-
tablished and rectified before
the fuse is replaced.
EVC 1312
English
Monitoring and maintenance
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