Vaillant ecoTEC plus VU Series Installation And Maintenance Instructions Manual page 8

Technical data – G20 power/load G20
Maximum heat output
Effective output range (P)
at 40/30 °C
Effective output range (P)
at 50/30 °C
Effective output range (P)
at 80/60 °C
Domestic hot water heat
output (P)
Maximum heat input –
heating (Q max.)
Minimum heat input – heat-
ing (Q min.)
Maximum heat input – do-
mestic hot water (Q max.)
Minimum heat input – do-
mestic hot water (Q min.)
Technical data – Heating
Max. flow temperature ad-
justment range (default
setting: 75 °C)
Maximum permissible
pressure
Nominal water flow
(ΔT = 20 K)
Nominal water flow at
Pmin (ΔT = 20 K)
Nominal water flow
(ΔT = 30 K)
Nominal water flow at
Pmin (ΔT = 30 K)
Approximate value for the
condensate volume (pH
value between 3.5 and 4.0)
at 50/30 °C
Technical data – Electrics
Electrical connection
Built-in fuse (slow-blow)
Max. electrical power con-
sumption
Standby electrical power
consumption
IP rating
8
VU 126/6-5 VU 156/6-5
OVZ (H-GB) OVZ (H-GB)
12 kW 15 kW
4.8 to 4.8 to
13.0 kW 16.2 kW
4.7 to 4.7 to
12.8 kW 15.9 kW
4.5 to 4.5 to
12.3 kW 15.2 kW
4.4 to 4.4 to
18.0 kW 18.0 kW
12.3 kW 15.3 kW
4.5 kW 4.5 kW
18.4 kW 18.4 kW
4.5 kW 4.5 kW
VU 126/6-5 VU 156/6-5
OVZ (H-GB) OVZ (H-GB)
10 to 80 ℃ 10 to 80 ℃
0.3 MPa 0.3 MPa
(3.0 bar) (3.0 bar)
530 l/h 655 l/h
195 l/h 195 l/h
353 l/h 436 l/h
130 l/h 130 l/h
1.23 l/h 1.53 l/h
VU 126/6-5 VU 156/6-5
OVZ (H-GB) OVZ (H-GB)
230 V / 230 V /
50 Hz 50 Hz
T2/2A, 250V T2/2A, 250V
23 W 29 W
2 W 2 W
IPX4D IPX4D
VU 186/6-5 VU 246/6-5
OVZ (H-GB) OVZ (H-GB)
18 kW 24 kW
5.3 to 6.5 to
19.5 kW 26.2 kW
5.2 to 6.3 to
19.1 kW 25.7 kW
5.0 to 6.1 to
18.3 kW 24.6 kW
5.0 to 6.0 to
25.2 kW 30.0 kW
18.4 kW 24.7 kW
5.0 kW 6.1 kW
25.7 kW 30.6 kW
5.1 kW 6.1 kW
VU 186/6-5 VU 246/6-5
OVZ (H-GB) OVZ (H-GB)
10 to 80 ℃ 10 to 80 ℃
0.3 MPa 0.3 MPa
(3.0 bar) (3.0 bar)
788 l/h 1,059 l/h
215 l/h 260 l/h
525 l/h 706 l/h
145 l/h 170 l/h
1.84 l/h 2.47 l/h
VU 186/6-5 VU 246/6-5
OVZ (H-GB) OVZ (H-GB)
230 V / 230 V /
50 Hz 50 Hz
T2/2A, 250V T2/2A, 250V
35 W 36 W
2 W 2 W
IPX4D IPX4D
Installation and maintenance instructions ecoTEC plus 0020238195_07
VU 306/6-5 VU 356/6-5
OVZ (H-GB) OVZ (H-GB)
30 kW 35 kW
7.6 to 7.6 to
32.4 kW 37.8 kW
7.5 to 7.5 to
31.8 kW 37.1 kW
7.2 to 7.1 to
30.5 kW 35.1 kW
7.1 to 7.1 to
35.0 kW 35.1 kW
30.6 kW 35.7 kW
7.2 kW 7.1 kW
35.7 kW 35.7 kW
7.2 kW 7.1 kW
VU 306/6-5 VU 356/6-5
OVZ (H-GB) OVZ (H-GB)
10 to 80 ℃ 10 to 80 ℃
0.3 MPa 0.3 MPa
(3.0 bar) (3.0 bar)
1,313 l/h 1,511 l/h
300 l/h 345 l/h
876 l/h 1,008 l/h
200 l/h 230 l/h
3.06 l/h 3.57 l/h
VU 306/6-5 VU 356/6-5
OVZ (H-GB) OVZ (H-GB)
230 V / 230 V /
50 Hz 50 Hz
T2/2A, 250V T2/2A, 250V
44 W 44 W
2 W 2 W
IPX4D IPX4D