Vaillant ecoTEC plus VU 6/5-5 Series Installation And Maintenance Instructions Manual page 12

Technical data – Power/loading G31
Nominal heat output
range P at 50/30 °C
Nominal heat output
range P at 80/60 °C
Maximum heat output
for domestic hot water
generation
Maximum heat input for
domestic hot water gen-
eration
Maximum heat input,
heating side
Minimum heat input
Nominal heat input ef-
ficiency (stationary) at
40/30 °C
Nominal heat input ef-
ficiency (stationary) at
50/30 °C
Nominal heat input ef-
ficiency (stationary) at
60/40 °C
Nominal heat input ef-
ficiency (stationary) at
80/60 °C
Technical data – Heating
Maximum flow temperat-
ure
Max. flow temperature
adjustment range (default
setting: 75 °C)
Permissible operating
pressure
Minimum pressure for
full operation
Expansion vessel capa-
city
Circulation water volume
(with reference to
ΔT= 20 K)
Approx. condensate rate
(pH value 3.5 to 4.0) in
50/30 °C heating mode
Remaining feed head of
pump (at nominal circula-
tion water volume)
Maximum flow temperat-
ure
Max. flow temperature
adjustment range (default
setting: 75 °C)
12
VU 186/5- VU 306/5-
5 (P-GB) 5 (P-GB)
ecoTEC plus ecoTEC plus
618 630
5.4 to 19.4 kW 9.4 to 31.9 kW
5.0 to 18.2 kW 8.5 to 30.4 kW
18.3 kW 30.4 kW
18.6 kW 30.9 kW
18.6 kW 30.9 kW
5.3 kW 9.0 kW
104.0 % 104.0 %
104.0 % 103.0 %
101.0 % 101.0 %
98.0 % 98.0 %
VU 126/5- VU 156/5-
5 (H-GB) 5 (H-GB)
ecoTEC plus ecoTEC plus
612 615
85 ℃ 85 ℃
30 to 80 ℃ 30 to 80 ℃
0.25 MPa 0.25 MPa
(2.50 bar) (2.50 bar)
0.08 MPa 0.08 MPa
(0.80 bar) (0.80 bar)
10 l 10 l
525 l/h 662 l/h
1.2 l/h 1.6 l/h
0.025 MPa 0.025 MPa
(0.250 bar) (0.250 bar)
VU 306/5- VU 386/5-
5 (P-GB) 5 (H-GB)
ecoTEC plus ecoTEC plus
630 637
85 ℃ 85 ℃
30 to 80 ℃ 30 to 80 ℃
VUW 246/5-
5 (P-GB)
ecoTEC plus
832
6.5 to 25.5 kW
6.0 to 24.4 kW
31.8 kW
32.2 kW
24.7 kW
6.4 kW
104.0 %
103.0 %
101.0 %
98.0 %
VU 186/5- VU 186/5-
5 (H-GB) 5 (P-GB)
ecoTEC plus ecoTEC plus
618 618
85 ℃ 85 ℃
30 to 80 ℃ 30 to 80 ℃
0.25 MPa 0.25 MPa
(2.50 bar) (2.50 bar)
0.08 MPa 0.08 MPa
(0.80 bar) (0.80 bar)
10 l 10 l
796 l/h 796 l/h
1.9 l/h 1.9 l/h
0.025 MPa 0.025 MPa
(0.250 bar) (0.250 bar)
VUW 196/5- VUW 246/5-
5 (H-GB) 5 (H-GB)
ecoTEC plus ecoTEC plus
825 832
85 ℃ 85 ℃
30 to 80 ℃ 30 to 80 ℃
Installation and maintenance instructions 0020244997_07
VU 246/5- VU 306/5-
5 (H-GB) 5 (H-GB)
ecoTEC plus ecoTEC plus
624 630
85 ℃ 85 ℃
30 to 80 ℃ 30 to 80 ℃
0.25 MPa 0.25 MPa
(2.50 bar) (2.50 bar)
0.08 MPa 0.08 MPa
(0.80 bar) (0.80 bar)
10 l 10 l
1,049 l/h 1,307 l/h
2.5 l/h 3.1 l/h
0.025 MPa 0.025 MPa
(0.250 bar) (0.250 bar)
VUW 246/5- VUW 306/5-
5 (P-GB) 5 (H-GB)
ecoTEC plus ecoTEC plus
832 835
85 ℃ 85 ℃
30 to 80 ℃ 30 to 80 ℃