0020230531_06 ecoFIT pure Installation and maintenance instructions
7
3
Technical data
Technical data
–
General
VUW 256/6-3 (H-
GB)
VUW 306/6-3 (H-
GB)
VUW 356/6-3 (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)
2.7 m
³
/h
3.2 m
³
/h
3.8 m
³
/h
Gas flow at P max.
–
heating mode
(G20)
1.9 m
³
/h
2.7 m
³
/h
2.7 m
³
/h
Gas flow at P min. (G20)
0.540 m
³
/h
0.646 m
³
/h
0.762 m
³
/h
CE number (PIN)
CE-0063CP3646
CE-0063CP3646
CE-0063CP3646
SAP 2009/2012 annual efficiency
(%)
89.6
89.6
89.7
Flue gas mass rate in heating
mode at P min.
2.34 g/s
2.80 g/s
3.30 g/s
Flue gas mass rate in heating
mode at P max.
8.3 g/s
11.5 g/s
11.6 g/s
Flue gas mass rate in hot water
handling mode at P max.
11.6 g/s
13.8 g/s
16.1 g/s
Flue gas temperature (80 °C/60 °C)
at P max.
60
℃
77
℃
82
℃
Flue gas temperature (80 °C/60 °C)
at P min.
55
℃
55
℃
56
℃
Flue gas temperature (50 °C/30 °C)
at P max.
51
℃
62
℃
56
℃
Flue gas temperature (50 °C/30 °C)
at P min.
34
℃
35
℃
37
℃
Flue gas temperature in hot water
handling mode
69
℃
68
℃
75
℃
Flue gas temperature when over-
heating
105
℃
95
℃
104
℃
Released system types
C13, C33, C43, C53
C13, C33, C43, C53
C13, C33, C43, C53
Nominal efficiency at 80/60 °C
98.8 %
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
109.8 %
109.7 %
109.9 %
NOx class
5
5
5
Product dimensions, width
390 mm
390 mm
390 mm
Product dimensions, depth
295 mm
295 mm
295 mm
Product dimensions, height
702 mm
702 mm
702 mm
Net weight
32 kg
33 kg
33 kg
Weight when filled with water
36 kg
38 kg
38 kg
Technical data
–
G20 power/loading G20
VUW 256/6-3 (H-
GB)
VUW 306/6-3 (H-
GB)
VUW 356/6-3 (H-
GB)
Maximum heat output
18 kW
25 kW
25 kW
Effective output range (P)
at 40/30 °C
5.4 to 19.5 kW
6.5 to 27.0 kW
7.6 to 27.2 kW
