Vaillant flexoTHERM exclusive VWF 117/4 Installation And Maintenance Instructions Manual page 68

Appendix
Brine circuit pump electrical power con-
sumption for B0/W35 ΔT 3 K with an ex-
ternal pressure loss of 250 mbar in the
brine circuit
Brine fluid type
Building circuit/heating circuit
Nominal flow at ΔT 5 K
Max. remaining feed head with ΔT 5 K
Nominal flow with ΔT 8 K
Max. remaining feed head with ΔT 8 K
Min. volume flow during continuous oper-
ation at the application limits
Max. volume flow during continuous op-
eration at the application limits
Heating pump electrical power consump-
tion for B0/W35 ΔT 3 K with an external
pressure loss of 250 mbar in the heating
circuit
Performance data
The following performance data is applicable to new products with clean heat exchangers.
Heating output B0/W35 ΔT 5 K
Power consumption B0/W35 ΔT 5 K
Output figure B0/W35 ΔT 5 K/coefficient
of performance EN 14511
Heating output B0/W45 ΔT 5 K
Power consumption B0/W45 ΔT 5 K
Output figure B0/W45 ΔT 5 K/coefficient
of performance EN 14511
Heating output B0/W55 ΔT 8 K
Power consumption B0/W55 ΔT 8 K
Output figure B0/W55 ΔT 8 K/coefficient
of performance EN 14511
Sound power level B0/W35
EN 12102/EN 14511 L in heating mode
WI
Sound power level B0/W45
EN 12102/EN 14511 L in heating mode
WI
Sound power level B0/W55
EN 12102/EN 14511 L in heating mode
WI
Application limits for the heat pump: Heating (heat source = brine)
– At the same volume flow rates in the heating circuit (ΔT 5 K or ΔT 8 K) and the brine circuit (ΔT 3 K) as for the nominal
heat output test under standard nominal conditions. Operation of the pump outside the application limits results in the
heat pump being switched off by the internal control and safety devices.
–
Application limits for the heat pump: Heating (Brine heat source):
–
B15/W65
–
B25/W59
–
B25/W25
–
B−10/W25
–
B−10/W60
–
B−5/W65
68
VWF 57/4 VWF 87/4
44 W 62 W
Ethylene glycol Ethylene glycol
30% vol. 30% vol.
VWF 57/4 VWF 87/4
920 l/h 1,530 l/h
0.065 MPa 0.045 MPa
(0.650 bar) (0.450 bar)
570 l/h 980 l/h
0.068 MPa 0.065 MPa
(0.680 bar) (0.650 bar)
570 l/h 980 l/h
920 l/h 1,530 l/h
25 W 30 W
VWF 57/4 VWF 87/4
5.30 kW 8.90 kW
1.30 kW 2.00 kW
4.70 5.10
5.30 kW 8.80 kW
1.70 kW 2.50 kW
3.50 3.80
5.40 kW 9.00 kW
2.00 kW 2.90 kW
3.00 3.30
39.8 dB(A) 42.4 dB(A)
40.7 dB(A) 45.1 dB(A)
40.6 dB(A) 49.9 dB(A)
Installation and maintenance instructions flexoTHERM exclusive 0020213394_01
VWF 117/4 VWF 157/4
64 W 83 W
Ethylene glycol Ethylene glycol
30% vol. 30% vol.
VWF 117/4 VWF 157/4
1,920 l/h 2,450 l/h
0.035 MPa 0.073 MPa
(0.350 bar) (0.730 bar)
1,240 l/h 1,600 l/h
0.057 MPa 0.086 MPa
(0.570 bar) (0.860 bar)
1,240 l/h 1,600 l/h
1,920 l/h 2,450 l/h
45 W 60 W
VWF 117/4 VWF 157/4
11.20 kW 14.50 kW
2.50 kW 3.40 kW
5.00 4.90
11.20 kW 14.10 kW
3.20 kW 4.20 kW
3.80 3.80
11.40 kW 14.70 kW
3.80 kW 5.00 kW
3.20 3.20
45.2 dB(A) 49.9 dB(A)
46.7 dB(A) 49.3 dB(A)
47.2 dB(A) 48.0 dB(A)
VWF 197/4
121 W
Ethylene glycol
30% vol.
VWF 197/4
3,320 l/h
0.045 MPa
(0.450 bar)
2,180 l/h
0.080 MPa
(0.800 bar)
2,180 l/h
3,320 l/h
74 W
VWF 197/4
19.70 kW
4.70 kW
4.70
19.60 kW
5.80 kW
3.70
20.00 kW
6.60 kW
3.20
48.4 dB(A)
46.1 dB(A)
48.4 dB(A)