86
Type BW/BWS
351.B20
351.B27
351.B33
351.B42
Performance data
as per EU Regulation no.
813/2013 (average climatic conditions)
Low temperature applications (W35)
■
Energy efficiency
η
S
%
196
203
213
203
■
Rated heating output P
rated
kW
23
32
37
48
■
Seasonal coefficient of performance (SCOP)
5.10
5.28
5.53
5.28
Medium temperature applications (W55)
■
Energy efficiency
η
S
%
152
153
156
153
■
Rated heating output P
rated
kW
23
34
38
49
■
Seasonal coefficient of performance (SCOP)
4.00
4.03
4.10
4.03
Specification for water/water heat pumps
Type BW/BWS in conjunction with "conversion kit for
water/water heat pump"
351.B20
351.B27
351.B33
351.B42
Performance data
to EN 14511 (W10/W35,
5 K spread)
Rated heating output
kW
25.4
34.7
42.2
52.3
Cooling capacity
kW
21.1
29.3
35.7
43.8
Power consumption
kW
4.50
5.70
6.80
9.00
Coefficient of performance (COP)
5.70
6.10
6.20
5.80
Brine
(primary intermediate circuit)
Capacity
l
9
11
14
14
Nominal flow rate (3 K spread)
l/h
6400
9500
10300
14000
Pressure drop at nominal flow rate
mbar
145
80
120
320
kPa
14.5
8.0
12.0
32.0
Minimum flow rate (5 K spread)
l/h
4800
6500
7700
10500
Pressure drop at minimum flow rate
mbar
90
42
77
124
kPa
9.0
4.2
7.7
12.4
Max. flow temperature (brine inlet)
°C
25
25
25
25
Min. flow temperature (brine inlet)
°C
7.5
7.5
7.5
7.5
Heating water
(secondary circuit)
Capacity
l
8
9
13
13
Nominal flow rate (5 K spread)
l/h
4300
5700
7300
9000
Pressure drop at nominal flow rate
mbar
68
53
105
154
kPa
6.8
5.3
10.5
15.4
Minimum flow rate (12 K spread)
l/h
1800
2400
3050
3750
Pressure drop at minimum flow rate
mbar
11
13
23.0
33
kPa
1.1
1.3
2.3
3.3
Max. flow temperature (6 K spread)
°C
65
68
68
68
Note
Further specifications: See "Specification for brine/
water heat pumps".
Specification
Specification for brine/water heat pumps
(cont.)
5855006
Appendix
