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Siemens Climatix 2 Manual

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INSTRUCTION MANUAL OF THE SIEMENS CLIMATIX 2 CONTROL EQUIPMENT
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72
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equipped with an automatic air release valve. It separates air and gases from the flowing water.
The hydraulic equalizer also collects sludge. The bottom of the lower part is equipped by a sludge
draining fitting.
Sometimes it is also referred to as “hydraulic equalizer” (THR) or “torus”.
Principles for design of HEDP:
The flow rate should range from 0.1 to 0.25 m/s.
The circulation quantity of the boiler circuit
should be by 20 to 50% higher than the nominal
flow rate of the heating branches. The
temperature gradient of the boiler circuit should
be by c. 25% lower than the temperature
gradient of the particular branches.
The diameter of the inlet nozzles should be
designed for a maximum speed of 1 m/s.
The appliance must be installed in a vertical
position.
There is a perforated baffle plate between the
upper nozzles.
The tank for the water temperature sensor must
be installed near the outlet nozzle of the heat
transfer medium.
The following table for HEDP dimensioning can be
used if the temperature gradient of the boiler circuit is
12 K; the temperature gradient of the branches is 15 K;
the flow velocity in the distributor is c. 0.2 m/s.
Diameters “D“ and “d“ are internal diameters of the pipeline. Sizes “R” and “L” represent minimum
values.
Total output of
the heat
source
kW
50 80
10
0
18
0
25
0
400 600 850
100
0
150
0
200
0
250
0
D m
m
80 10
0
10
0
15
0
20
0
200 250 300 350 425 480 480
d m
m
32 40 50 65 80 100 125 150 150 200 200 250
R m
m
22
0
29
0
32
0
44
0
51
5
620 750 890 970 119
0
137
0
153
0
L m
m
37
0
48
0
54
0
73
0
86
0
101
5
125
0
148
0
161
0
197
0
227
0
254
0
… 72 …


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  • salve
    chiedo se è possibile fare un by pass per far partire il sistema di condizionamento a causa dell'oscuramento :del controllore POL/STD
    grazie
    Submitted on 11-3-2022 at 12:44

    Reply Report abuse


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