J Technical Data - Vaillant ecoTEC plus Installation And Maintenance Instructions Manual

J Technical data
Technical data – Heating
Max. flow temperature adjustment
range (default setting: 75 °C)
Maximum permissible pressure
Nominal water flow (ΔT = 20 K)
Nominal water flow (ΔT = 30 K)
Approximate value for the
condensate volume (pH value
between 3.5 and 4.0) at 50/30 °C
Max. flow temperature adjustment
range (default setting: 75 °C)
Maximum permissible pressure
Nominal water flow (ΔT = 20 K)
Nominal water flow (ΔT = 30 K)
Approximate value for the
condensate volume (pH value
between 3.5 and 4.0) at 50/30 °C
Technical data – G20 power/loading 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 – hot
water (Q max.)
Minimum heat input – hot
water (Q min.)
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)
0020200871_00 ecoTEC plus Installation and maintenance instructions
VU 126/6-5 OV (H-
GB) ecoTEC plus
10 ... 80 ℃
0.3 MPa
(3.0 bar)
530 l/h
353 l/h
1.23 l/h
VU 306/6-5 OV (H-
GB) ecoTEC plus
10 ... 80 ℃
0.3 MPa
(3.0 bar)
1,313 l/h
876 l/h
3.06 l/h
VU 126/6-5 OV (H- VU 156/6-5 OV (H-
GB) ecoTEC plus GB) ecoTEC plus
12 kW 15 kW
4.8 ... 13.0 kW 4.8 ... 16.2 kW
4.7 ... 12.8 kW 4.7 ... 15.9 kW
4.5 ... 12.3 kW 4.5 ... 15.2 kW
4.4 ... 18.0 kW 4.4 ... 18.0 kW
12.3 kW 15.3 kW
5.0 kW 4.5 kW
18.4 kW 18.4 kW
4.5 kW 4.5 kW
VU 306/6-5 OV (H-
GB) ecoTEC plus
30 kW
7.6 ... 32.4 kW
7.5 ... 31.8 kW
7.2 ... 30.5 kW
7.1 ... 35.0 kW
VU 156/6-5 OV (H- VU 186/6-5 OV (H-
GB) ecoTEC plus GB) ecoTEC plus
10 ... 80 ℃ 10 ... 80 ℃
0.3 MPa 0.3 MPa
(3.0 bar) (3.0 bar)
655 l/h 788 l/h
436 l/h 525 l/h
1.53 l/h 1.84 l/h
VU 186/6-5 OV (H-
GB) ecoTEC plus
18 kW
5.3 ... 19.5 kW
5.2 ... 19.1 kW
5.0 ... 18.3 kW
5.0 ... 25.2 kW
18.4 kW
5.0 kW
25.7 kW
5.1 kW
Appendix
VU 246/6-5 OV (H-
GB) ecoTEC plus
10 ... 80 ℃
0.3 MPa
(3.0 bar)
1,059 l/h
706 l/h
2.47 l/h
VU 246/6-5 OV (H-
GB) ecoTEC plus
24 kW
6.5 ... 26.2 kW
6.3 ... 25.7 kW
6.1 ... 24.6 kW
6.0 ... 30.0 kW
24.7 kW
6.1 kW
30.6 kW
6.1 kW
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