Vaillant VU 186/6-3 OV User Manual

8 Installation and maintenance instructions ecoFIT sustain 0020277262_02
VU 156/6-3 OV (H-GB) VU 186/6-3 OV (H-GB) VU 306/6-3 OV (H-GB)
Effective output range (P)
at 80/60 °C
4.5 to 15.2 kW 5.0 to 18.3 kW 7.1 to 30.5 kW
Domestic hot water heat
output (P)
4.4 to 18.0 kW 4.9 to 25.2 kW 7.0 to 35.0 kW
Maximum heat input –
heating (Q max.)
15.3 kW 18.4 kW 30.6 kW
Minimum heat input – heat-
ing (Q min.)
4.5 kW 5.0 kW 7.1 kW
Maximum heat input – hot
water (Q max.)
18.4 kW 25.7 kW 35.7 kW
Minimum heat input – hot
water (Q min.)
4.5 kW 5.0 kW 7.1 kW
Technical data – Heating
VU 156/6-3 OV (H-GB) VU 186/6-3 OV (H-GB) VU 306/6-3 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)
655 l/h 788 l/h 1,313 l/h
Nominal water flow
(ΔT = 30 K)
436 l/h 525 l/h 876 l/h
Approximate value for the
condensate volume (pH
value between 3.5 and 4.0)
at 50/30 °C
1.53 l/h 1.84 l/h 3.06 l/h
Technical data – Electrics
VU 156/6-3 OV (H-GB) VU 186/6-3 OV (H-GB) VU 306/6-3 OV (H-GB)
Electrical connection
230 V / 50 Hz 230 V / 50 Hz 230 V / 50 Hz
Built-in fuse (slow-blow)
T2/2A, 250V T2/2A, 250V T2/2A, 250V
Max. electrical power con-
sumption
29 W 35 W 44 W
Standby electrical power
consumption
2 W 2 W 2 W
IP rating
IPX4D IPX4D IPX4D

Vaillant VU 186/6-3 OV Specifications

General

Brand	Vaillant
Model	VU 186/6-3 OV
Category	Boiler
Language	English