Brine Heat Source - Vaillant flexoTHERM exclusive VWF 57/4 Installation And Maintenance Instructions Manual

Max. electrical power consumption, heat-
ing pump
Heating pump type
Refrigeration circuit
Coolant type
Coolant content of the coolant circuit in
the heat pump
Global warming potential (GWP) in
accordance with regulation (EU) no.
517/2014
CO₂ equivalent
Global warming potential 100 (GWP
in accordance with regulation (EC) no.
842/2006
Expansion valve design
Permissible operating pressure (relative)
Compressor type
Oil type
Oil filling quantity
Installation site
Installation site
Installation room volume complying with
EN 378
Permissible ambient temperature at the
installation site
Permissible relative air humidity
L.2

Brine heat source

Heat source circuit/brine circuit
Min. source inlet temperature (hot brine)
in heating mode
Max. source inlet temperature (hot brine)
in heating mode
Min. source inlet temperature (hot brine)
in cooling mode
Max. source inlet temperature (hot brine)
in cooling mode
Nominal flow ΔT 3 K for B0/W35
Min. volume flow during continuous oper-
ation at the application limits
Max. volume flow during continuous op-
eration at the application limits
Max. remaining feed head with ΔT 3 K for
B0/W35
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
0020213395_00 flexoTHERM exclusive Installation and maintenance instructions
VWF 57/4 230 V
63 W
High-efficiency pump
VWF 57/4 230 V
R410A
1.50 kg
2088
3132
) 1975
100
Electronic
≤ 4.6 MPa
(≤ 46.0 bar)
Scroll
Ester (EMKARATE RL32-
3MAF)
0.74 l
VWF 57/4 230 V
Interior/dry
3.41 m³
7 ... 25 ℃
40 ... 75 %
VWF 57/4 230 V
−10 ℃
25 ℃
0 ℃
30 ℃
1,300 l/h
1,190 l/h
1,300 l/h
0.063 MPa
(0.630 bar)
49 W
Ethylene glycol 30% vol.
VWF 87/4 230 V
63 W
High-efficiency pump
VWF 87/4 230 V
R410A
2.40 kg
2088
5011
1975
Electronic
≤ 4.6 MPa
(≤ 46.0 bar)
Scroll
Ester (EMKARATE RL32- Ester (EMKARATE RL32-
3MAF)
1.25 l
VWF 87/4 230 V
Interior/dry
5.45 m³
7 ... 25 ℃
40 ... 75 %
VWF 87/4 230 V
−10 ℃
25 ℃
0 ℃
30 ℃
2,110 l/h
1,990 l/h
2,110 l/h
0.041 MPa
(0.410 bar)
78 W
Ethylene glycol 30% vol.
Appendix
VWF 117/4 230 V
63 W
High-efficiency pump
VWF 117/4 230 V
R410A
2.50 kg
2088
5220
1975
Electronic
≤ 4.6 MPa
(≤ 46.0 bar)
Scroll
3MAF)
1.25 l
VWF 117/4 230 V
Interior/dry
5.68 m³
7 ... 25 ℃
40 ... 75 %
VWF 117/4 230 V
−10 ℃
25 ℃
0 ℃
30 ℃
2,870 l/h
2,570 l/h
2,870 l/h
0.055 MPa
(0.550 bar)
80 W
Ethylene glycol 30% vol.
61