Appendix
42
Installation and maintenance instructions ecoFIT pure 0020230535_05
VU 306/6-3 OV (H-
GB)
VU 356/6-3 OV (H-
GB)
Minimum heat input
–
heat-
ing (Q min.)
7.1 kW
7.2 kW
Maximum heat input
–
hot
water (Q max.)
35.7 kW
35.7 kW
Minimum heat input
–
hot
water (Q min.)
7.1 kW
7.2 kW
Technical data
–
General
VU 126/6-3 OV (H-
GB)
VU 156/6-3 OV (H-
GB)
VU 186/6-3 OV (H-
GB)
VU 256/6-3 OV (H-
GB)
Gas category
I
2H
I
2H
I
2H
I
2H
Diameter of the gas pipe
1/2 inch
1/2 inch
1/2 inch
1/2 inch
Diameter of the heating connec-
tions
3/4 inch
3/4 inch
3/4 inch
3/4 inch
Expansion relief valve connector
(min.)
15 mm
15 mm
15 mm
15 mm
Condensate drain pipework (min.)
21.5 mm
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)
2.0 kPa
(20.0 mbar)
Gas flow at P max.
–
hot water
(G20)
1.6 m
³
/h
1.9 m
³
/h
2.7 m
³
/h
3.2 m
³
/h
Gas flow at P max.
–
heating mode
(G20)
1.3 m
³
/h
1.6 m
³
/h
1.9 m
³
/h
2.7 m
³
/h
Gas flow at P min. (G20)
0.480 m
³
/h
0.480 m
³
/h
0.533 m
³
/h
0.648 m
³
/h
CE number (PIN)
CE-0063CP3646
CE-0063CP3646
CE-0063CP3646
CE-0063CP3646
Flue gas mass rate in heating
mode at P min.
2.08 g/s
2.08 g/s
2.31 g/s
2.81 g/s
Flue gas mass rate in heating
mode at P max.
5.5 g/s
6.9 g/s
8.3 g/s
11.5 g/s
Flue gas mass rate in hot water
handling mode at P max.
6.9 g/s
8.3 g/s
11.6 g/s
13.8 g/s
Flue gas temperature (80 °C/60 °C)
at P max.
55
℃
55
℃
60
℃
77
℃
Flue gas temperature (80 °C/60 °C)
at P min.
55
℃
55
℃
55
℃
55
℃
Flue gas temperature (50 °C/30 °C)
at P max.
43
℃
48
℃
51
℃
62
℃
Flue gas temperature (50 °C/30 °C)
at P min.
32
℃
32
℃
34
℃
35
℃
Flue gas temperature in hot water
handling mode
71
℃
71
℃
69
℃
68
℃
Flue gas temperature when over-
heating
105
℃
105
℃
105
℃
95
℃
Released system types
C13, C33, C43, C53
C13, C33, C43, C53
C13, C33, C43, C53
C13, C33, C43, C53
Nominal efficiency at 80/60 °C
99.1 %
98.9 %
98.8 %
98.8 %
Nominal efficiency at 50/30 °C
104.0 %
104.0 %
104.0 %
104.0 %
Nominal efficiency at 40/30 °C
106.0 %
106.0 %
106.0 %
106.0 %
Nominal efficiency in partial load
operation (30%) at 40/30 °C
109.9 %
109.9 %
109.8 %
109.7 %
NOx class
5
5
5
5
Product dimensions, width
375 mm
375 mm
375 mm
375 mm
Product dimensions, depth
295 mm
295 mm
295 mm
295 mm
Product dimensions, height
602 mm
602 mm
602 mm
602 mm
Net weight
22 kg
22 kg
22 kg
22 kg
Weight when filled with water
26 kg
26 kg
26 kg
26 kg