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INSTALLATIoN
Specification
24 | GWS
Heat exchanger with heat source flow on right
630
644
188
442
73
110
534
82
548
68
82
548
68
145
145
68
225
d47
d46
f01
f02
d02
d01
D
00000
17
27
4.
ai
GWS 1
GWS 2
d01 Heat pump flow
Diameter
mm
28
28
d02 Heat pump return
Diameter
mm
28
28
d46 Ventilation
d47 Drain
f01 Heat source flow
Male thread
G 1 1/4
G 1 1/4
f02 Heat source return
Male thread
G 1 1/4
G 1 1/4
7.2 Flow rate pressure drop diagrams
As there is little divergence, the pressure drop curves in the
diagrams apply to both the heat source and brine sides (eth-
ylene glycol/water mixture with 25 % by vol. ethylene glycol).
GWS 1
0
1
2
3
4
0
100
200
300
400
500
84
�0
3�
14
�0
00
8�
X
Flow rate [m³/h]
Y
Pressure drop [hPa]
GWS 2
0
1
2
3
4
5
6
7
0
100
200
300
400
500
600
84
�0
3�
14
�0
00
9�
X
Flow rate [m³/h]
Y
Pressure drop [hPa]