0020213394_05 Installation and maintenance instructions
69
Refrigerant circuit
VWF 57/4
VWF 87/4
VWF 117/4
VWF 157/4
VWF 197/4
Refrigerant type
R410A
R410A
R410A
R410A
R410A
Refrigerant content of the refrigerant cir-
cuit in the heat pump
1.50 kg
2.40 kg
2.50 kg
3.05 kg
3.95 kg
Global warming potential (GWP) in
accordance with regulation (EU) no.
517/2014
2088
2088
2088
2088
2088
CO
₂
equivalent
3.132 t
5.011 t
5.220 t
6.368 t
8.248 t
Global warming potential 100 (GWP
100
)
in accordance with regulation (EC) no.
842/2006
1975
1975
1975
1975
1975
Expansion valve design
Electronic
Electronic
Electronic
Electronic
Electronic
Permissible operating pressure (relative)
≤
4.6 MPa
(
≤
46.0 bar)
≤
4.6 MPa
(
≤
46.0 bar)
≤
4.6 MPa
(
≤
46.0 bar)
≤
4.6 MPa
(
≤
46.0 bar)
≤
4.6 MPa
(
≤
46.0 bar)
Compressor type
Scroll
Scroll
Scroll
Scroll
Scroll
Oil type
Ester
(EMKARATE
RL32-3MAF)
Ester
(EMKARATE
RL32-3MAF)
Ester
(EMKARATE
RL32-3MAF)
Ester
(EMKARATE
RL32-3MAF)
Ester
(EMKARATE
RL32-3MAF)
Oil filling quantity
0.75 l
1.25 l
1.25 l
1.24 l
1.89 l
Installation site
VWF 57/4
VWF 87/4
VWF 117/4
VWF 157/4
VWF 197/4
Installation site
Interior/dry
Interior/dry
Interior/dry
Interior/dry
Interior/dry
Installation room volume complying with
EN 378
3.41 m
³
5.45 m
³
5.68 m
³
6.93 m
³
8.98 m
³
Permissible environmental temperature at
the installation site
7 to 25
℃
7 to 25
℃
7 to 25
℃
7 to 25
℃
7 to 25
℃
Permissible relative air humidity
40 to 75 %
40 to 75 %
40 to 75 %
40 to 75 %
40 to 75 %
Q.2
Brine heat source
Heat source circuit/brine circuit
VWF 57/4
VWF 87/4
VWF 117/4
VWF 157/4
VWF 197/4
Min. source inlet temperature (hot brine)
in heating mode
−
10
℃
−
10
℃
−
10
℃
−
10
℃
−
10
℃
Max. source inlet temperature (hot brine)
in heating mode
25
℃
25
℃
25
℃
25
℃
25
℃
Min. source inlet temperature (hot brine)
in cooling mode
0
℃
0
℃
0
℃
0
℃
0
℃
Max. source inlet temperature (hot brine)
in cooling mode
30
℃
30
℃
30
℃
30
℃
30
℃
Nominal flow
Δ
T 3 K for B0/W35
1,290 l/h
2,320 l/h
3,000 l/h
3,590 l/h
4,780 l/h
Min. volume flow during continuous oper-
ation at the application limits
1,110 l/h
2,140 l/h
2,460 l/h
3,380 l/h
3,840 l/h
Max. volume flow during continuous op-
eration at the application limits
1,290 l/h
2,320 l/h
3,000 l/h
3,590 l/h
4,780 l/h
Max. remaining feed head with
Δ
T 3 K for
B0/W35
0.062 MPa
(0.620 bar)
0.039 MPa
(0.390 bar)
0.051 MPa
(0.510 bar)
0.098 MPa
(0.980 bar)
0.082 MPa
(0.820 bar)
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)