Heating System (St 90) - Rizzoli S Série Manuel D'utilisation

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HEATING SYSTEM (ST 90)

3.1 GENERAL NOTES
ST thermal cookers are endowed with boiler to
use the heating produced by the device through
a system with fluid vector for heating and for the
production of hot water. Usually the system shall
be designed according to UNI 10412­2 law by a
qualified thermal technician and installed by spe­
cialized staff according to the existing laws and the
UNI 10683 law.
3.2 CONNECTIONS TO THE HEATING SYSTEM
Before the lighting of the thermal cooker it is nec­
essary to make the connections to the heating
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Picture 22 - Position of the boiler connections for the ST 90 model with smoke outlet on the right (rear view).
In the model with flue outlet on the left the position is symmetrical.
CAPTION
1) Connection thermostat detector Ø 1/2'' female
2) Going connection Ø 1''1/4 female
3) Connection for thermal discharge detector Ø 1/2'' female
4) Connections for thermal discharge circuit Ø 1/2'' male
The ST Range thermal cookers are endowed with
all the necessary predispositions for a correct in­
stallation, every external component (as pumps,
valves, acoustic alarms system, pressure switches,
expansion tank) must be obtained by third parts
according to the specifies of designer and installer.
system. The use of the thermal cooker with empty
or not connected to the system boiler causes the
1 4 7 3
900
97
2 4 5
798
762
744
675
462
447
87
5) Return connection Ø 1''1/4 female
6) Connection discharge Ø ½" female
7) External air intake (optional)