Heat source circuit / brine circuit
Unit
5kW
230 V
8kW
230 V
11kW
230 V
Heat source module
VWW 11/4 SI
Nominal flow of groundwater at
Δ
T 3K
with W10/W35
l/h
1300
2160
3100
Brine fluid type
Ethylene glycol 30% volume
Building circuit / heating circuit
Nominal flow at
Δ
T 5K
l/h
1025
1730
2270
Maximum remaining feed head with
Δ
T 5K
bar
0.80
2.19
4.22
Nominal flow at
Δ
T 8K
l/h
710
1120
1510
Maximum remaining feed head with
Δ
T 8K
bar
0.62
2.10
4.05
Minimum flow rate during continuous operation at the application
limits
l/h
710
1120
1510
Maximum flow rate during continuous operation at the application
limits
l/h
1025
1730
2270
Heating pump electrical power consumption for W10/W35
Δ
T 5K
with an external pressure loss of 250 mbar in the heating circuit
W
24
37
49
Heating output W10/W35
Δ
T 5K
kW
6.40
10.00
12.90
Power consumption W10/W35
Δ
T 5K
kW
1.33
1.92
2.53
Output figure W10/W35
Δ
T 5K / coefficient of performance EN 14511
4.80
5.20
5.10
Heating output W10/W45
Δ
T 5K
kW
6.30
10.10
12.90
Power consumption W10/W45
Δ
T 5K
kW
1.70
2.46
3.23
Output figure W10/W45
Δ
T 5K / coefficient of performance EN 14511
3.70
4.10
4.00
Heating output W10/W55
Δ
T 8K
kW
6.30
10.30
13.30
Power consumption W10/W55
Δ
T 8K
kW
2.10
2.94
4.03
Output figure W10/W55
Δ
T 8K / coefficient of performance EN 14511
3.00
3.50
3.30
Sound power level W10/W35 EN 12102/EN 14511 L
WI
in heating mode
dB(A)
43.3
46.9
50.0
Water source technical specification
