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2. INSTALLATION ISTRUCTIONS
1. TITOLO
The following is decisive for the validity of the guarantee.
1. Installation must:
- To be performed by a qualified installer.
- Provide, where necessary, a pressure reducer for incoming water.
- Provide a safety valve calibrated according to what is stated on
the technical data label applied on the boiler.
- Provide an expansion vessel (see expansion vessel dimensioning
table) commensurate with the dimensions of the boiler (it is advisable
to have the calculation performed by a thermo technician).
2. The temperature of the contents of the boiler must always be below
95 °C.
3. As is known, the contact between different metals can give rise to
corrosion phenomena.
In this sense, it is advisable to place a suitable dielectric joint
between the connections in the boiler and the corresponding pipes.
4. The electrical conductivity of the water must not be less than 150 μS/
cm or more than 1000 μS/cm.
Expansion kettle sizing
Values in liters relative to:
- preload pressure equal to 2.5 bar
- safety valve calibration pressure equal to 6.0 bar
- expansion from 10 to 90 ° C.
Expansion tank
volume (I)
40°C
50°C
60°C
70°C
80°C
90°C
300
500
4,0
7,1
6,4
11,2
9,1
16,0
12,2
21,4
15,6
27,5
19,8
34,0
Model tank
1000
1500
13,8
21,2
21,6
33,2
30,9
47,3
41,4
63,5
53,1
81,4
65,8
100,8
GB
GB
2000
30,1
47,3
67,5
90,5
116,0
143,7
7
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