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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