Vaillant VU 186/6-3 OV User Manual

0020277262_02 ecoFIT sustain Installation and maintenance instructions 7
3 Technical data
Technical data – General
VU 156/6-3 OV (H-
GB)
VU 186/6-3 OV (H-
GB)
VU 306/6-3 OV (H-
GB)
Gas category
I
2H
I
2H
I
2H
Diameter of the gas pipe
1/2 inch 1/2 inch 1/2 inch
Diameter of the heating connec-
tions
3/4 inch 3/4 inch 3/4 inch
Expansion relief valve connection
pipe (min.)
15 mm 15 mm 15 mm
Condensate discharge pipe (min.)
21.5 mm 21.5 mm 21.5 mm
G20 gas supply pressure
2.0 kPa
(20.0 mbar)
2.0 kPa
(20.0 mbar)
2.0 kPa
(20.0 mbar)
Gas flow at P max. – hot water
(G20)
1.9 m³/h 2.7 m³/h 3.8 m³/h
Gas flow at P max. – heating mode
(G20)
1.6 m³/h 1.9 m³/h 3.2 m³/h
Gas flow at P min. (G20)
0.480 m³/h 0.533 m³/h 0.756 m³/h
CE number (PIN)
CE-0063CP3646 CE-0063CP3646 CE-0063CP3646
SAP 2009/2012 annual efficiency
(%)
89.8 89.7 89.8
Flue gas mass rate in heating
mode at P min.
2.08 g/s 2.31 g/s 3.27 g/s
Flue gas mass rate in heating
mode at P max.
6.9 g/s 8.3 g/s 13.8 g/s
Flue gas mass rate in hot water
handling mode at P max.
8.3 g/s 11.6 g/s 16.1 g/s
Flue gas temperature (80 °C/60 °C)
at P max.
55 ℃ 60 ℃ 86 ℃
Flue gas temperature (80 °C/60 °C)
at P min.
55 ℃ 55 ℃ 56 ℃
Flue gas temperature (50 °C/30 °C)
at P max.
48 ℃ 51 ℃ 60 ℃
Flue gas temperature (50 °C/30 °C)
at P min.
32 ℃ 34 ℃ 37 ℃
Flue gas temperature in hot water
handling mode
71 ℃ 69 ℃ 75 ℃
Flue gas temperature when over-
heating
105 ℃ 105 ℃ 104 ℃
Released system types
C13, C33, C43, C53 C13, C33, C43, C53 C13, C33, C43, C53
Nominal efficiency at 80/60 °C
98.9 % 98.8 % 99.2 %
Nominal efficiency at 50/30 °C
104.0 % 104.0 % 104.0 %
Nominal efficiency at 40/30 °C
106.0 % 106.0 % 106.0 %
Nominal efficiency in partial load
operation (30%) at 40/30 °C
109.9 % 109.8 % 109.8 %
NOx class
5 5 5
Product dimensions, width
375 mm 375 mm 375 mm
Product dimensions, depth
280 mm 280 mm 280 mm
Product dimensions, height
602 mm 602 mm 602 mm
Net weight
22 kg 22 kg 22 kg
Weight when filled with water
26 kg 26 kg 27 kg
Technical data – G20 power/load G20
VU 156/6-3 OV (H-GB) VU 186/6-3 OV (H-GB) VU 306/6-3 OV (H-GB)
Maximum heat output
15 kW 18 kW 30 kW
Effective output range (P)
at 40/30 °C
4.8 to 16.2 kW 5.3 to 19.5 kW 7.6 to 32.4 kW
Effective output range (P)
at 50/30 °C
4.7 to 15.9 kW 5.2 to 19.1 kW 7.4 to 31.8 kW

Vaillant VU 186/6-3 OV Specifications

General

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