Appendix
40
Installation and maintenance instructions ecoVIT exclusiv 0020258610_00
VKK 476/4-H
VKK 476/4-L
VKK 656/4-H
VKK 656/4-L
Approved gas-fired units
C13x, C33x,
C43x, C53x,
C83x, C93x,
B23, B23P,
B33, B33P
C13x, C33x,
C43x, C53x,
C83x, C93x,
B23, B23P,
B33, B33P
C13x, C33x,
C43x, C53x,
C83x, C93x,
B23, B23P,
B33, B33P
C13x, C33x,
C43x, C53x,
C83x, C93x,
B23, B23P,
B33, B33P
Nominal efficiency (sta-
tionary) at 80/60 °C
97.0 %
97.0 %
97.0 %
97.0 %
Nominal efficiency (sta-
tionary) at 60/40 °C
102.0 %
102.0 %
102.0 %
102.0 %
Nominal efficiency (sta-
tionary) at 50/30 °C
104.0 %
104.0 %
104.0 %
104.0 %
Nominal efficiency (sta-
tionary) at 40/30 °C
107.0 %
107.0 %
107.0 %
107.0 %
30% efficiency
108 %
108 %
108 %
108 %
Standard efficiency
(when set to nominal
heat output, DIN 4702,
T8) at 75/60 °C
107.0 %
107.0 %
107.0 %
107.0 %
Standard efficiency
(when set to nominal
heat output, DIN 4702,
T8) at 40/30 °C
109.0 %
109.0 %
109.0 %
109.0 %
NOx class
5
5
5
5
NOx emissions
40 mg/kW
⋅
h
40 mg/kW
⋅
h
52 mg/kW
⋅
h
52 mg/kW
⋅
h
CO emissions
7 mg/kW
⋅
h
7 mg/kW
⋅
h
6 mg/kW
⋅
h
6 mg/kW
⋅
h
Boiler dimensions, width
570 mm
570 mm
570 mm
570 mm
Boiler dimensions, height
1,257 mm
1,257 mm
1,257 mm
1,257 mm
Boiler dimensions, depth
691 mm
691 mm
691 mm
691 mm
Approx. net weight
120 kg
120 kg
120 kg
120 kg
Ready for operation
weight approx.
320 kg
320 kg
320 kg
320 kg
Technical data
–
Power/load (G20)
VKK 226/4-H
VKK 286/4-H
VKK 366/4-H
VKK 476/4-H
VKK 656/4-H
Nominal heat output
range P at 80/60 °C
6.3
… 21.3 kW
7.7
… 26.2 kW
10.0
… 34.0 kW
12.8
… 43.6 kW
17.8
… 60.1 kW
Nominal heat output
range P at 60/40 °C
6.6
… 22.4 kW
8.1
… 27.5 kW
10.5
… 35.7 kW
13.5
… 46.0 kW
18.7
… 63.2 kW
Nominal heat output
range P at 50/30 °C
6.8
… 22.9 kW
8.2
… 28.1 kW
10.7
… 36.4 kW
13.7
… 46.8 kW
19.0
… 64.5 kW
Nominal heat output
range P at 40/30 °C
7.0
… 23.5 kW
8.5
… 28.9 kW
11.0
… 37.5 kW
14.1
… 48.2 kW
19.6
… 66.3 kW
Maximum heat input,
heating side
22.0 kW
27.0 kW
35.0 kW
45.0 kW
62.0 kW
Minimum heat input
6.5 kW
7.9 kW
10.3 kW
13.2 kW
18.3 kW
Technical data
–
Power/load (G25)
VKK 226/4-L
VKK 286/4-L
VKK 366/4-L
VKK 476/4-L
VKK 656/4-L
Nominal heat output
range P at 80/60 °C
6.3
… 21.3 kW
7.7
… 26.2 kW
11.0
… 34.0 kW
12.8
… 43.6 kW
17.8
… 60.1 kW
Nominal heat output
range P at 60/40 °C
6.6
… 22.4 kW
8.1
… 27.5 kW
10.5
… 35.7 kW
13.5
… 46.0 kW
18.7
… 63.2 kW
Nominal heat output
range P at 50/30 °C
6.8
… 22.9 kW
8.2
… 28.1 kW
10.7
… 36.4 kW
13.7
… 46.8 kW
19.0
… 64.5 kW
Nominal heat output
range P at 40/30 °C
7.0
… 23.5 kW
8.5
… 28.9 kW
11.0
… 37.5 kW
14.1
… 48.2 kW
19.6
… 66.3 kW
Maximum heat input,
heating side
22.0 kW
27.0 kW
35.0 kW
45.0 kW
62.0 kW
Minimum heat input
6.5 kW
7.9 kW
10.3 kW
13.2 kW
18.3 kW