Vaillant ecoTEC pure VC 146/7-2(E-DE) Installation And Maintenance Instructions Manual page 43

G Technical data
Note
For products with heating mode only, the technical data for the hot water is only relevant if a domestic hot water
cylinder is connected to the product.
Technical data – Heating
Maximum heating flow temperature
(default setting – D.71)
Range for the heating flow temperat-
ure control
Maximum permissible pressure (PMS)
Nominal water flow (ΔT = 20 K)
ΔP heating at nominal flow (ΔT = 20
K), bypass closed
ΔP heating at nominal flow (ΔT = 20
K), bypass in the position set at the
factory
Approximate value for the condensate
volume (pH value between 3.5 and
4.0) at 50/30 °C
Expansion vessel capacity
Maximum heat output (default setting
– d.00)
Technical data – G20
Effective output range (P) at 50/30 °C
Effective output range (P) at 80/60 °C
Heat output range – domestic hot wa-
ter or cylinder reheating (P)
Maximum heat input – heating (Q
max.)
Minimum heat input – heating (Q min.)
Maximum heat input – Domestic hot
water or cylinder reheating (Q max.)
Minimum heat input – Domestic hot
water or cylinder reheating (Q min.)
Technical data – G25
Effective output range (P) at 50/30 °C
Effective output range (P) at 80/60 °C
Heat output range – domestic hot wa-
ter or cylinder reheating (P)
Maximum heat input – heating (Q
max.)
Minimum heat input – heating (Q min.)
Maximum heat input – Domestic hot
water or cylinder reheating (Q max.)
Minimum heat input – Domestic hot
water or cylinder reheating (Q min.)
Technical data – G31
Effective output range (P) at 50/30 °C
Effective output range (P) at 80/60 °C
0020258016_01 ecoTEC pure Installation and maintenance instructions
VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE)
75 ℃ 75 ℃
30 ... 80 ℃ 30 ... 80 ℃
0.3 MPa 0.3 MPa
(3.0 bar) (3.0 bar)
577 l/h 797 l/h
0.032 MPa 0.024 MPa
0.055 MPa 0.043 MPa
1.38 l/h 1.87 l/h
8.0 l 8.0 l
Auto Auto
VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE)
6.9 ... 14.8 kW 7.0 ... 20.1 kW
6.2 ... 13.4 kW 6.4 ... 18.5 kW
6.5 ... 18.2 kW 6.6 ... 24.3 kW
13.8 kW 18.7 kW
6.6 kW 6.6 kW
18.4 kW 24.4 kW
6.6 kW 6.6 kW
VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE)
6.9 ... 14.8 kW 7.0 ... 20.1 kW
6.2 ... 13.4 kW 6.4 ... 18.5 kW
6.5 ... 18.2 kW 6.6 ... 24.3 kW
13.8 kW 18.7 kW
6.6 kW 6.6 kW
18.4 kW 24.4 kW
6.6 kW 6.6 kW
VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE)
6.9 ... 14.8 kW 7.0 ... 20.1 kW
6.2 ... 13.4 kW 6.4 ... 18.5 kW
Appendix
43