Vaillant ecoFIT pure Series Installation And Maintenance Instructions Manual page 8

Gas category
Diameter of the gas pipe
Diameter of the heating
connections
Expansion relief valve con-
nection pipe (min.)
Condensate discharge
pipe (min.)
G20 gas supply pressure
Gas flow at P max. – hot
water (G20)
Gas flow at P max. – heat-
ing mode (G20)
Gas flow at P min. (G20)
CE number (PIN)
SAP 2009/2012 annual effi-
ciency (%)
Flue gas mass rate in heat-
ing mode at P min.
Flue gas mass rate in heat-
ing mode at P max.
Flue gas mass rate in hot
water handling mode at P
max.
Flue gas temperature (80
°C/60 °C) at P max.
Flue gas temperature (80
°C/60 °C) at P min.
Flue gas temperature (50
°C/30 °C) at P max.
Flue gas temperature (50
°C/30 °C) at P min.
Flue gas temperature in
hot water handling mode
Flue gas temperature when
overheating
Released system types
Nominal efficiency at 80/60
°C
Nominal efficiency at
50/30 °C
Nominal efficiency at
40/30 °C
Nominal efficiency in par-
tial load operation (30%) at
40/30 °C
NOx class
Product dimensions, width
Product dimensions, depth
Product dimensions,
height
Net weight
Weight when filled with
water
Technical data – G20 power/load G20
Maximum heat output
Effective output range (P)
at 40/30 °C
8
VU 256/6-3 OV (H-GB) VU 306/6-3 OV (H-GB)
I I
2H 2H
1/2 inch 1/2 inch
3/4 inch 3/4 inch
15 mm 15 mm
21.5 mm 21.5 mm
2.0 kPa 2.0 kPa
(20.0 mbar) (20.0 mbar)
3.2 m³/h 3.8 m³/h
2.7 m³/h 3.2 m³/h
0.648 m³/h 0.756 m³/h
CE-0063CP3646 CE-0063CP3646
89.7 89.8
2.81 g/s 3.27 g/s
11.5 g/s 13.8 g/s
13.8 g/s 16.1 g/s
77 ℃ 86 ℃
55 ℃ 56 ℃
62 ℃ 60 ℃
35 ℃ 37 ℃
68 ℃ 75 ℃
95 ℃ 104 ℃
C13, C33, C43, C53 C13, C33, C43, C53
98.8 % 99.2 %
104.0 % 104.0 %
106.0 % 106.0 %
109.7 % 109.8 %
5 5
375 mm 375 mm
295 mm 280 mm
602 mm 602 mm
22 kg 22 kg
26 kg 27 kg
VU 126/6-3 OV (H-GB) VU 156/6-3 OV (H-GB)
12 kW 15 kW
4.8 to 13.0 kW 4.8 to 16.2 kW
VU 356/6-3 OV (H-GB)
I
2H
1/2 inch
3/4 inch
15 mm
21.5 mm
2.0 kPa
(20.0 mbar)
3.8 m³/h
3.8 m³/h
0.762 m³/h
CE-0063CP3646
–
3.30 g/s
16.1 g/s
16.1 g/s
90 ℃
56 ℃
62 ℃
37 ℃
75 ℃
104 ℃
C13, C33, C43, C53
97.5 %
100.2 %
106.0 %
108.5 %
6
375 mm
295 mm
602 mm
23 kg
28 kg
VU 186/6-3 OV (H-GB)
18 kW
5.3 to 19.5 kW
Installation and maintenance instructions ecoFIT pure 0020230535_07