K Technical Data - Vaillant ecoTEC plus VU GB 5-5 Series Installation And Maintenance Instructions Manual

K Technical data
Technical data – Output
Nominal heat output range at 50/30 °C
Nominal heat output range at 60/40 °C
Nominal heat output range at 80/60 °C
Nominal efficiency (stationary) at 50/30 °C
Nominal efficiency (stationary) at 60/40 °C
Nominal efficiency (stationary) at 80/60 °C
30% efficiency
Maximum heat input in heating mode (in re-
lation to the net calorific value H
heating mode)
Maximum heat input during cylinder charging
Minimum heat input (in relation to the net
calorific value H and pure heating mode)
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Technical data – Heating
Maximum flow temperature (default setting:
75 °C)
Max. flow temperature adjustment range (de-
fault setting: 80 °C)
Permissible total excess pressure
Circulation water volume (with reference to
ΔT= 23 K)
Approx. condensate quantity (pH value 3.5 to
4.0) in heating mode 40/30 °C
Remaining feed head of the high-efficiency
pump
Technical data – General
Designated country (designation in accord-
ance with ISO 3166)
Approval category
Gas connection, boiler side
Flow/return heating connections, boiler side
G20 natural gas flow pressure
Gas flow rate at 15 °C and 1013 mbar (based
on domestic hot water generation if applic-
able), G20 (H = 9.5 kWh/m³)
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Min. flue gas mass flow rate (G20)
Max. flue gas mass flow rate
Min. flue gas temperature
Max. flue gas temperature
Approved flue connections
Additional approved flue connections
Permissible pressure difference in the flue
pipe for installation type B23P as a single-
flue configuration max.
Permitted pressure difference in the flue pipe
for installation type B23P as cascade opera-
tion max.
0020134823_07 ecoTEC plus Installation and maintenance instructions
806 (VU GB 806/5‑5)
16.5 to 82.3 kW
16.0 to 80.0 kW
14.9 to 74.7 kW
108%
105%
98%
109 %
76.2 kW
and pure
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76.2 kW
15.2 kW
806 (VU GB 806/5‑5)
85 ℃
30 to 85 ℃
0.6 MPa
(6.0 bar)
2,990 l/h
12.8 l/h
0.065 MPa
(0.650 bar)
806 (VU GB 806/5‑5)
GB (Great Britain), IE
(Ireland)
II
2H3P
R 1
G 1 1/4"
2.0 kPa
(20.0 mbar)
8.0 m³/h
6.9 g/s
34.4 g/s
40 ℃
85 ℃
C13, C33, C43, C53,
C93, B23, B53, B53P
B23P
150 Pa
(0.00150 bar)
50 Pa
(0.00050 bar)
1006 (VU GB 1006/5‑5) 1206 (VU GB 1206/5‑5)
20.7 to 102.8 kW 24.7 to 123.4 kW
20.0 to 100.0 kW 24.0 to 120.0 kW
18.7 to 93.3 kW 22.4 to 112.0 kW
108% 108%
105% 105%
98% 98%
109 % 109 %
95.2 kW 114.3 kW
95.2 kW 114.3 kW
19.2 kW 22.9 kW
1006 (VU GB 1006/5‑5) 1206 (VU GB 1206/5‑5)
85 ℃ 85 ℃
30 to 85 ℃ 30 to 85 ℃
0.6 MPa 0.6 MPa
(6.0 bar) (6.0 bar)
3,740 l/h 4,485 l/h
16.0 l/h 19.2 l/h
0.053 MPa 0.042 MPa
(0.530 bar) (0.420 bar)
1006 (VU GB 1006/5‑5) 1206 (VU GB 1206/5‑5)
GB (Great Britain), IE GB (Great Britain), IE
(Ireland) (Ireland)
II II
2H3P 2H3P
R 1 R 1
G 1 1/4" G 1 1/4"
2.0 kPa 2.0 kPa
(20.0 mbar) (20.0 mbar)
10.1 m³/h 12.1 m³/h
8.9 g/s 10.6 g/s
43.6 g/s 52.5 g/s
40 ℃ 40 ℃
85 ℃ 85 ℃
C13, C33, C43, C53, C13, C33, C43, C53,
C93, B23, B53, B53P C93, B23, B53, B53P
B23P B23P
200 Pa 200 Pa
(0.00200 bar) (0.00200 bar)
50 Pa 50 Pa
(0.00050 bar) (0.00050 bar)
Appendix
55