Vaillant ECOTEC PLUS VU 80, Installation And Maintenance Instructions Manual

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Technical data
ecoTEC plus installation and maintenance instructions 0020134823_01
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18
18 Technical data
ecoTEC plus Unit
ecoTEC plus
VU GB 806/5-5
ecoTEC plus
VU GB 1006/5-5
ecoTEC plus
VU GB 1206/5-5
Nominal heat output range P at 80/60 °C kW 14.9 - 74.7 18.7 - 93.3 22.4 - 112
Nominal heat output range P at 60/40 °C kW 16 - 80 20 - 100 24 - 120
Nominal heat output range P at 50/30 °C kW 16.5 - 82.3 20.74 - 102.8 24.7 - 123.4
Nominal rated efficiency (stationary) at 80/60 °C % 98
Nominal rated efficiency (stationary) at 60/40 °C % 105
Nominal rated efficiency (stationary) at 50/30 °C % 108
Standard degree of utilisation at 75/60 °C in accordance with
DIN 4702-8
% 106
Standard degree of utilisation at 40/30 °C in accordance with
DIN 4702-8
% 110
Maximum heat input during heating mode
1)
kW 76.2 95.2 114.3
Maximum heat input during cylinder charging
1)
kW 76.2 95.2 114.3
Minimum heat input
1)
kW 15.2 19.2 22.9
Heating
Max. flow temperature (default setting: 75 °C) °C 85
Permissible operating overpressure MPa (bar) 0.6 (6.0)
Rated water volume (when
D
T = 23 K) l/h 2990 3740 4485
Condensate rate approx. (pH value 3.5 … 4.0) at 40/30 °C l/h 12.8 16 19.2
Remaining feed head of the high-efficiency pump with pump
group
MPa (bar) 0.024 (0.24) 0.038 (0.38) 0.036 (0.36)
Remaining feed head of the modulating pump with pump
group
MPa (bar) 0.042 (0.42) 0.026 (0.26) 0.024 (0.24)
General
Gas connection on unit Inches R 1
Heating connection on unit Inches G 1 1/4
Gas connection pressure (gas flow pressure) natural gas, G20 kPa (mbar) 2 (20)
Connection value at 15 °C and 101.3 kPa (1013 mbar)
Natural gas H (Hi = 9.5 kWh/m
3
) m
3
/h 8.0 10.1 12.1
Wobbe index (WS) at 0 °C and 101.3 kPa (1013 mbar)
Natural gas range H kWh/m
3
12.0 – 16.1
EE setting, in relation to WS
4)
Natural gas H kWh/m
3
15.0
Flue gas mass rate min./max.
3)
g/s 6.9/34.4 8.9/43.6 10.6/52.5
Flue gas temperature min./max.
3)
°C 40/85
Approved flue gas connections C13, C33, C43, C53, C93, B23, B23P, B53, B53P
Permitted pressure difference in the flue pipe for installation
type B23p as a single occupancy max.
Pa (bar) 150 (0.0015) 200 (0.002)
Permitted pressure difference in the flue pipe for installation
type B23p as cascade operation max.
Pa (bar) 50 (0.0005)
Air/flue gas connection mm 110/160
NOx class 5
NOx emissions mg/kWh
<
50
CO
2
content
3)
% 9.0
Boiler dimensions (H x W x D) mm 960 x 480 x 602
Weight excl. pump group kg 68 86 90
Electrical connection V/Hz 230/50
Built-in fuse 4 A, slow-blow
Min. electrical power consumption excl. pump W 25 18 18
Max. electrical power consumption excl. pump W 122 160 160
Level of protection IP X4D
Test symbol/registration no. CE- 0085CM0415
18.1 ecoTEC plus Technical Data
1) In relation to the heating value Hi and pure heating mode
2) Determined according to DIN 4702 Part 8
3) Calculated value for dimensioning of the chimney in accordance
with DIN EN 13384-1
4) For operation with a gas quality other than the factory set
EE setting, deviations from the specified nominal heat output or
set heat output may occur