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4.7
ELECTRIC CONNECTIONS CONTROL UNIT
The electronic control unit of the thermal
cooker is already installed and programmed,
so it is ready for use. According to the kind
of installation you will make, it could be nec-
essary to make further connections to man-
age internal devices of the thermal cooker.
4.8
3 WAYS VALVE CONNECTION
In some cases, it might be useful to pro-
duce sanitary hot water from two different
generators. The system could obtain water:
from the thermal cooker, when it is work-
ing; from the other heat generator, when it
does not work.
For this reason the installer may use a three
ways valve ruled by the control unit of the
4.9
CONNECTION TO ANOTHER GENERATOR
In presence of another heat generator to be
managed, this must be connected to the ter-
minal board of the control unit, directly or
not directly through an environment-ther-
mostat. The dedicated terminals are the
AUX ones and they give a clean connection,
normally closed or normally open, on choice.
To access to the terminal board of the con-
trol unit, you have to unfix the front panel
WARNING! Before any variation of the electric system of the thermal cooker or
of the control unit connections, the AC power connection of the device must
be disabled.
The additional connections may be useful
and necessary if there is another heat gen-
erator on the same thermosanitary circuit of
the thermal cooker. In this situation, when
the thermal cooker works, it must prevail on
the other generator.
thermal cooker. The valve must be connect-
ed with a correct power cable, which must
be connected from the terminal board to
the control unit. The control unit gives the
power connection to the valve. The valve
may be powered in both ON and OFF condi-
tions, by connecting the cable correctly.
in which it is fixed. The front panel cam be
simply unscrewed. Then, release the electric
cables fixed inside the technical vain with
plastic clamps near the door hinges. The
clamps have to be cut.
You can now remove the front, extract the
metallic protection and then you can access
directly to the terminal board of the control
unit.
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