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Appendix
62
Installation and maintenance instructions flexoTHERM exclusive 0020196687_03
VWF 57/4
VWF 87/4
VWF 117/4
VWF 157/4
VWF 197/4
Brine circuit pump electrical power con-
sumption for B0/W35
Δ
T 3 K with an ex-
ternal pressure loss of 250 mbar in the
brine circuit
44 W
62 W
64 W
83 W
121 W
Brine fluid type
Ethylene glycol
30% vol.
Ethylene glycol
30% vol.
Ethylene glycol
30% vol.
Ethylene glycol
30% vol.
Ethylene glycol
30% vol.
Building circuit/heating circuit
VWF 57/4
VWF 87/4
VWF 117/4
VWF 157/4
VWF 197/4
Nominal flow at
Δ
T 5 K
920 l/h
1,530 l/h
1,920 l/h
2,450 l/h
3,320 l/h
Max. remaining feed head with
Δ
T 5 K
0.065 MPa
(0.650 bar)
0.045 MPa
(0.450 bar)
0.035 MPa
(0.350 bar)
0.073 MPa
(0.730 bar)
0.045 MPa
(0.450 bar)
Nominal flow with
Δ
T 8 K
570 l/h
980 l/h
1,240 l/h
1,600 l/h
2,180 l/h
Max. remaining feed head with
Δ
T 8 K
0.068 MPa
(0.680 bar)
0.065 MPa
(0.650 bar)
0.057 MPa
(0.570 bar)
0.086 MPa
(0.860 bar)
0.080 MPa
(0.800 bar)
Min. volume flow during continuous oper-
ation at the application limits
570 l/h
980 l/h
1,240 l/h
1,600 l/h
2,180 l/h
Max. volume flow during continuous op-
eration at the application limits
920 l/h
1,530 l/h
1,920 l/h
2,450 l/h
3,320 l/h
Heating pump electrical power consump-
tion for B0/W35
Δ
T 3 K with an external
pressure loss of 250 mbar in the heating
circuit
25 W
30 W
45 W
60 W
74 W
Performance data
The following performance data is applicable to new products with clean heat exchangers.
VWF 57/4
VWF 87/4
VWF 117/4
VWF 157/4
VWF 197/4
Heating output B0/W35
Δ
T 5 K
5.30 kW
8.90 kW
11.20 kW
14.50 kW
19.70 kW
Effective power consumption for B0/W35
Δ
T 5 K
1.13 kW
1.75 kW
2.24 kW
2.96 kW
4.19 kW
Output figure B0/W35
Δ
T 5 K/coefficient
of performance EN 14511
4.70
5.10
5.00
4.90
4.70
Heating output B0/W45
Δ
T 5 K
5.30 kW
8.80 kW
11.20 kW
14.10 kW
19.60 kW
Effective power consumption B0/W45
Δ
T
5 K
1.51 kW
2.32 kW
2.95 kW
3.71 kW
5.30 kW
Output figure B0/W45
Δ
T 5 K/coefficient
of performance EN 14511
3.50
3.80
3.80
3.80
3.70
Heating output B0/W55
Δ
T 8 K
5.40 kW
9.00 kW
11.40 kW
14.70 kW
20.00 kW
Effective power consumption for B0/W55
Δ
T 8 K
1.80 kW
2.73 kW
3.56 kW
4.59 kW
6.25 kW
Output figure B0/W55
Δ
T 8 K/coefficient
of performance EN 14511
3.00
3.30
3.20
3.20
3.20
Heat output B10/W35
Δ
T 5 K
6.60 kW
10.50 kW
13.70 kW
17.70 kW
24.20 kW
Effective power consumption for B10/W35
Δ
T 5 K
1.14 kW
1.78 kW
2.21 kW
2.81 kW
4.17 kW
Coefficient of performance B10/W35
Δ
T
5 K / coefficient of performance EN 14511
5.80
5.90
6.20
6.30
5.80
Heat output B10/W45
Δ
T 5 K
6.50 kW
10.70 kW
13.90 kW
17.60 kW
24.30 kW
Effective power consumption B10/W45
Δ
T
5 K
1.51 kW
2.33 kW
2.90 kW
3.67 kW
5.17 kW
Coefficient of performance B10/W45
Δ
T
5 K / coefficient of performance EN 14511
4.30
4.60
4.80
4.80
4.70
Sound power level B0/W35
EN 12102/EN 14511 L
WI
in heating mode
39.8 dB(A)
42.4 dB(A)
45.2 dB(A)
49.9 dB(A)
48.4 dB(A)
Sound power level B0/W45
EN 12102/EN 14511 L
WI
in heating mode
40.7 dB(A)
45.1 dB(A)
46.7 dB(A)
49.3 dB(A)
46.1 dB(A)
Sound power level B0/W55
EN 12102/EN 14511 L
WI
in heating mode
40.6 dB(A)
49.9 dB(A)
47.2 dB(A)
48.0 dB(A)
48.4 dB(A)