Heat source circuit / brine circuit
Unit
5kW
230 V
8kW
230 V
11kW
230 V
Minimum brine input temperature when heating
°C
-10
Maximum brine input temperature when heating
°C
25
Nominal flow rate
Δ
T 3K at B0/W35
l/h
1300
2110
2870
Minimum flow rate during continuous operation at the application
limits
l/h
1190
1990
2570
Maximum flow rate during continuous operation at the application
limits
l/h
1300
2110
2870
Maximum remaining feed head with
Δ
T 3K at B0/W35
bar
0.63
0.41
0.55
Electrical power for brine pump at B0/W35
Δ
T 3K at 250 mbar
W
49
78
80
Brine fluid type
Ethylene glycol 30% volume
Building circuit / heating circuit
Nominal flow rate
Δ
T 5K
l/h
930
1450
1930
Maximum remaining feed head with
Δ
T 5K
bar
0.65
0.44
0.30
Nominal flow with
Δ
T 8K
l/h
600
930
1290
Maximum remaining feed head with
Δ
T 8K
bar
0.68
0.65
0.54
Minimum flow rate during continuous operation at the application
limits
l/h
600
930
1290
Maximum flow rate during continuous operation at the application
limits
l/h
930
1450
1930
Heating pump electrical power consumption for B0/W35
Δ
T 3K
with an external pressure loss of 250 mbar in the heating circuit
W
24
37
49
Heating output B0/W35
Δ
T 5K
kW
5.30
8.90
11.20
Power consumption B0/W35
Δ
T 5K
kW
1.13
1.75
2.24
Output figure B0/W35
Δ
T 5K / coefficient of performance EN 14511
4.70
5.08
5.00
Heating output B0/W45
Δ
T 5K
kW
5.30
8.80
11.20
Power consumption B0/W45
Δ
T 5K
kW
1.51
2.32
2.95
Output figure B0/W45
Δ
T 5K / coefficient of performance EN 14511
3.50
3.80
3.80
Heating output B0/W55
Δ
T 8K
kW
5.40
9.00
11.40
Power consumption B0/W55
Δ
T 8K
kW
1.80
2.73
3.56
Output figure B0/W55
Δ
T 8K / coefficient of performance EN 14511
3.00
3.30
3.20
Sound power level B0/W35 EN 12102/EN 14511 L
WI
in heating mode
dB(A)
43.8
45.6
48.5
Ground source technical specification
flexoTHERM 230V technical specification
