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TECHNICAL ASSISTANCE SERVICE
SETTING DOMESTIC HOT WATER TEMPERATURE
Domestic hot water temperature is preset to 44°C in the
factory.
Adjust the thermostatic mixer valve to change this value.
The following table shows the hot water temperature
values for the different mixer valve knob positions.
Knob
Min
position
Temperature
27
(°C)
Reference conditions:
Hot water temperature = 68°C
Cold water temperature = 13°C
Hot and cold water inlet pressure = 3 bar
Once you have set the required domestic hot water
temperature, you can lock the adjustment knob of the
mixer valve to prevent further tampering.
To do so, unscrew the fixing screw from the top of the
knob and pull off the knob. Fit the knob again so that
the keyway in the knob's body engages with the key in
the valve cap.
1
2
3
4
5
6
7 Max
32 38 44 49 53 58 63
SOLAR STORAGE CYLINDER
67
Mixer valve pressure drop
p (bar)
1,5
1,0
0,5
0,3
0,2
0,1
0,05
Kv = 2,6 (m
/h)
3
3
40
Domestic hot water from the
DHW
user
points
Cold water
p (m c.a.)
1
M I N
2
M A X
7
15
10
5
3
2
1
0,5
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