Picture 14 1 Connection thermostat detector Ø 1/2’’ female 5 Return connection Ø 1’’1/4 female
2 Going connection Ø 1’’1/4 female 6 Connection discharge Ø ½” female
3 Connection for thermal discharge detector Ø 1/2’’ female 7 External air intake (optional)
4 Connections for thermal discharge circuit Ø 1/2’’ male
3.5 SAFETY
On every solid combustible based boilers it is not technically possible to break the combustion
immediately as happens for boilers based on liquid or gas combustible according to necessity. For
this reason, it is important to swallow always the produced heating also even if the heating system
does not request that and also in case of lack of AC power. On contrary, the water in the boiler
could boil without possibility of outlet, with serious danger of explosion of the boiler and serious
injury risk for the people present near the thermal cooker. For this reason, we recommend to
follow strictly what is written in UNI 10412-2 law in the various cases and we suggest also to insert
in the system also a boiler able to accumulate the heating in excess produced as sanitary hot
water.
3.6 THERMAL DISCHARGE
For more safety, it is possible to make an auxiliary circuit of thermal discharge connected directly
to the boiler. The thermal discharge circuit is mandatory in case of closed expansion tank
installation.
The thermal cooker has a predisposition for this solution. The thermal discharge system allows to
cool directly the boiler when it is necessary by making flow cold leaking water in a separate circuit
inside the boiler.
The making of the thermal discharge system is under responsibility of the installer. All the
components of the thermal discharge system external to the thermal cooker must be obtained by
third parts according to the specifies of designer and installer. To make this system it is necessary
to make the going and return connections, that are interchangeable, the detector that rules the
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