Vaillant ecoVIT exclusiv Installation And Maintenance Instructions Manual page 39

Nominal efficiency (sta-
tionary) at 80/60 °C
Nominal efficiency (sta-
tionary) at 60/40 °C
Nominal efficiency (sta-
tionary) at 50/30 °C
Nominal efficiency (sta-
tionary) at 40/30 °C
30% efficiency
Standard efficiency
(when set to nominal
heat output, DIN 4702,
T8) at 75/60 °C
Standard efficiency
(when set to nominal
heat output, DIN 4702,
T8) at 40/30 °C
NOx class
NOx emissions
CO emissions
Boiler dimensions, width
Boiler dimensions, height
Boiler dimensions, depth
Approx. net weight
Ready for operation
weight approx.
Designated country (des-
ignation in accordance
with ISO 3166)
Approved unit categories
Gas connection, boiler
side
Flow/return heating con-
nections, boiler side
Air/flue connection
Condensate discharge
pipe (min.)
G20 natural gas flow
pressure
G25 natural gas flow
pressure
G31 liquid gas flow pres-
sure
Gas flow rate at 15 °C
and 1013 mbar (G20)
Gas flow rate at 15 °C
and 1013 mbar (G25)
Gas flow rate at 15 °C
and 1013 mbar (G31)
Min. flue gas mass flow
rate (G20)
Max. flue gas mass flow
rate (G20)
Min. flue gas temperature
(at tV/tR = 80/60 °C)
Max. flue gas temperat-
ure (at tV/tR = 80/60 °C)
0020258610_00 ecoVIT exclusiv Installation and maintenance instructions
VKK 226/4-H VKK 226/4-L
97.0 % 97.0 %
102.0 % 102.0 %
104.0 % 104.0 %
107.0 % 107.0 %
108 % 108 %
107.0 % 107.0 %
109.0 % 109.0 %
5 5
42 mg/kW⋅h 42 mg/kW⋅h
11 mg/kW⋅h 11 mg/kW⋅h
570 mm 570 mm
1,257 mm 1,257 mm
691 mm 691 mm
100 kg 100 kg
210 kg 210 kg
VKK 476/4-H VKK 476/4-L
DE (Ger- DE (Ger-
many), many),
AT (Austria) AT (Austria)
II (DE), II (DE),
2ELL3P 2ELL3P
II (AT) II (AT)
2H3P 2H3P
R 3/4 inch R 3/4 inch
Rp1 Rp1
80/125 mm 80/125 mm
21 mm 21 mm
2 kPa
(20 mbar)
2.5 kPa
(25.0 mbar)
5 kPa 5 kPa
(50 mbar) (50 mbar)
4.8 m³/h
5.5 m³/h
3.5 m³/h 3.5 m³/h
6.9 g/s
20.3 g/s
62 ℃ 62 ℃
75 ℃ 75 ℃
VKK 286/4-H VKK 286/4-L
97.0 % 97.0 %
102.0 % 102.0 %
104.0 % 104.0 %
107.0 % 107.0 %
108 % 108 %
107.0 % 107.0 %
109.0 % 109.0 %
5 5
34 mg/kW⋅h 34 mg/kW⋅h
8 mg/kW⋅h 8 mg/kW⋅h
570 mm 570 mm
1,257 mm 1,257 mm
691 mm 691 mm
100 kg 100 kg
235 kg 235 kg
VKK 656/4-H VKK 656/4-L
DE (Ger- DE (Ger-
many), many),
AT (Austria) AT (Austria)
II (DE), II (DE),
2ELL3P 2ELL3P
II (AT) II (AT)
2H3P 2H3P
R 3/4 inch R 3/4 inch
Rp1 Rp1
80/125 mm 80/125 mm
21 mm 21 mm
2 kPa
(20 mbar)
2.5 kPa
(25.0 mbar)
5 kPa 5 kPa
(50 mbar) (50 mbar)
6.6 m³/h
7.6 m³/h
4.8 m³/h 4.8 m³/h
9.2 g/s
27.8 g/s
62 ℃ 62 ℃
85 ℃ 85 ℃
Appendix
VKK 366/4-H VKK 366/4-L
97.0 % 97.0 %
102.0 % 102.0 %
104.0 % 104.0 %
107.0 % 107.0 %
108 % 108 %
107.0 % 107.0 %
109.0 % 109.0 %
5 5
51 mg/kW⋅h 51 mg/kW⋅h
5 mg/kW⋅h 5 mg/kW⋅h
570 mm 570 mm
1,257 mm 1,257 mm
691 mm 691 mm
110 kg 110 kg
255 kg 255 kg
39