Appendix
0020230531_01 ecoFIT pure Installation and maintenance instructions
45
I
Technical data
Technical data
–
Heating
VUW 256/6-3 (H-
GB)
VUW 306/6-3 (H-
GB)
VUW 356/6-3 (H-
GB)
Max. flow temperature adjustment
range (default setting: 75 °C)
10 … 80
℃
10 … 80
℃
10 … 80
℃
Maximum permissible pressure
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
Nominal water flow (
Δ
T = 20 K)
788 l/h
1,094 l/h
1,102 l/h
Nominal water flow (
Δ
T = 30 K)
525 l/h
729 l/h
876 l/h
Approximate value for the
condensate volume (pH value
between 3.5 and 4.0) at 50/30 °C
1.84 l/h
2.55 l/h
2.57 l/h
Δ
P heating at nominal flow (
Δ
T =
20 K)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
0.018 MPa
(0.180 bar)
Technical data
–
G20 power/loading G20
VUW 256/6-3 (H-
GB)
VUW 306/6-3 (H-
GB)
VUW 356/6-3 (H-
GB)
Maximum heat output
18 kW
25 kW
25 kW
Effective output range (P)
at 40/30 °C
5.4 … 19.5 kW
6.5 … 27.0 kW
7.6 … 27.2 kW
Effective output range (P)
at 50/30 °C
5.3 … 19.1 kW
6.3 … 26.5 kW
7.5 … 26.7 kW
Effective output range (P)
at 80/60 °C
5.0 … 18.3 kW
6.1 … 25.4 kW
7.2 … 25.6 kW
Domestic hot water heat
output (P)
5.0 … 25.2 kW
6.0 … 30.0 kW
7.1 … 35.0 kW
Maximum heat input
–
heating (Q max.)
18.4 kW
25.5 kW
25.7 kW
Minimum heat input
–
heat-
ing (Q min.)
5.1 kW
6.1 kW
7.2 kW
Maximum heat input
–
hot
water (Q max.)
25.7 kW
30.6 kW
35.7 kW
Minimum heat input
–
hot
water (Q min.)
5.1 kW
6.1 kW
7.2 kW
Technical data
–
Domestic hot water
VUW 256/6-3 (H-
GB)
VUW 306/6-3 (H-
GB)
VUW 356/6-3 (H-
GB)
Specific flow rate (D) (
Δ
T = 30 K)
in accordance with EN 13203
12.1 l/min
14.2 l/min
16.5 l/min
Continuous flow rate (
Δ
T = 35 K)
622 l/h
730 l/h
849 l/h
Specific flow rate (
Δ
T = 35 K)
10.4 l/min
12.2 l/min
14.1 l/min
Minimum permissible pressure
0.03 MPa
(0.30 bar)
0.03 MPa
(0.30 bar)
0.03 MPa
(0.30 bar)
Maximum permissible pressure
1 MPa
(10 bar)
1 MPa
(10 bar)
1 MPa
(10 bar)
Recommended pressure
0.2 MPa
(2.0 bar)
0.2 MPa
(2.0 bar)
0.2 MPa
(2.0 bar)
Temperature range
35 … 60
℃
35 … 60
℃
35 … 60
℃
Flow rate limiter
8.0 l/min
10.0 l/min
12.0 l/min
Technical data
–
General
VUW 256/6-3 (H-
GB)
VUW 306/6-3 (H-
GB)
VUW 356/6-3 (H-
GB)
Gas category
I
2H
I
2H
I
2H
Diameter of the gas pipe
1/2 inch
1/2 inch
1/2 inch
