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Vaillant ecoFIT pure 418 User Manual

Vaillant ecoFIT pure 418
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0020230535_07 ecoFIT pure Installation and maintenance instructions 9
VU 126/6-3 OV (H-GB) VU 156/6-3 OV (H-GB) VU 186/6-3 OV (H-GB)
Effective output range (P)
at 50/30 °C
4.7 to 12.8 kW 4.7 to 15.9 kW 5.2 to 19.1 kW
Effective output range (P)
at 80/60 °C
4.5 to 12.3 kW 4.5 to 15.2 kW 5.0 to 18.3 kW
Domestic hot water heat
output (P)
4.4 to 15.0 kW 4.4 to 18.0 kW 4.9 to 25.2 kW
Maximum heat input
heating (Q max.)
12.3 kW 15.3 kW 18.4 kW
Minimum heat input heat-
ing (Q min.)
4.5 kW 4.5 kW 5.0 kW
Maximum heat input hot
water (Q max.)
15.3 kW 18.4 kW 25.7 kW
Minimum heat input hot
water (Q min.)
4.5 kW 4.5 kW 5.0 kW
VU 256/6-3 OV (H-GB) VU 306/6-3 OV (H-GB) VU 356/6-3 OV (H-GB)
Maximum heat output
25 kW 30 kW 35 kW
Effective output range (P)
at 40/30 °C
6.5 to 27.0 kW 7.6 to 32.4 kW 7.6 to 37.8 kW
Effective output range (P)
at 50/30 °C
6.4 to 26.5 kW 7.4 to 31.8 kW 7.0 to 35.8 kW
Effective output range (P)
at 80/60 °C
6.1 to 25.4 kW 7.1 to 30.5 kW 7.2 to 34.8 kW
Domestic hot water heat
output (P)
6.0 to 30.0 kW 7.0 to 35.0 kW 7.1 to 35.0 kW
Maximum heat input
heating (Q max.)
25.5 kW 30.6 kW 35.7 kW
Minimum heat input heat-
ing (Q min.)
6.1 kW 7.1 kW 7.2 kW
Maximum heat input hot
water (Q max.)
30.6 kW 35.7 kW 35.7 kW
Minimum heat input hot
water (Q min.)
6.1 kW 7.1 kW 7.2 kW
Technical data Heating
VU 126/6-3 OV (H-GB) VU 156/6-3 OV (H-GB) VU 186/6-3 OV (H-GB)
Max. flow temperature ad-
justment range (default
setting: 75 °C)
10 to 80 10 to 80 10 to 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
(ΔT = 20 K)
530 l/h 655 l/h 788 l/h
Nominal water flow
(ΔT = 30 K)
353 l/h 436 l/h 525 l/h
Approximate value for the
condensate volume (pH
value between 3.5 and 4.0)
at 50/30 °C
1.23 l/h 1.53 l/h 1.84 l/h
VU 256/6-3 OV (H-GB) VU 306/6-3 OV (H-GB) VU 356/6-3 OV (H-GB)
Max. flow temperature ad-
justment range (default
setting: 75 °C)
10 to 80 10 to 80 10 to 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
(ΔT = 20 K)
1,094 l/h 1,313 l/h 1,535 l/h

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Vaillant ecoFIT pure 418 Specifications

General IconGeneral
ModelecoFIT pure 418
CategoryBoiler
Output18 kW
Efficiency94%
MountingWall-mounted
ERP RatingA
FuelNatural Gas
Warranty2 years
TypeCombination boiler

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