Frigicoll BSX190 Manual de instalação, operação e manutenção - Página 6
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Recommendations
Warning: THE MOST IMPORTANT POINT IS INSTALLING THE SAFETY VALVE, DURING INSTALLATION OF
A WATER HEATER TANK.
Domestic water inside the tank expands when it is heated. The expansion rate of water according to
the temperature is given at the chart below. E.g. water expands 2,88% at 80˚C. This extra volume of
water should be removed from the water heater tank as water is incompressible. If the expanded
water is not removed from the tank, this will increase pressure inside the tank which can cause
damages on the weakest point of the tank.
6
T
d
V
%
o
(kg/lt)
(kg/lt)
(
C)
0
0.9998
1.0002
0
10
0.9996
1.0004
0.02
20
0.9982
1.0018
0.16
30
0.9956
1.0044
0.42
40
0.9922
1.0079
0.77
50
0.9880
1.021
1.19
60
0.9832
1.071
1.67
70
0.9777
1.0228
2.26
80
0.9718
1.0290
2.88
90
0.9635
1.0359
3.57
100
0.9583
1.0435
4.33
110
0.9519
1.0515
5.13
120
0.9431
1.0603
6.01
e
0.0002
0.0004
0.0018
0.0044
0.079
0.0121
0.0171
0.0228
0.0290
0.0390
0.0435
0.0515
0.0608