Vaillant ecoFIT sustain 800 Series, Installation And Maintenance Instructions Manual

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0020230529_05 ecoFIT sustain 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 1.9 m
³
/h 1.9 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
(%) 89.3 89.3 89.3
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 8.3 g/s 8.3 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
℃
86
℃
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
℃
60
℃
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 99.6 % 99.6 % 99.6 %
Nominal efficiency at 50/30 °C
104.0 % 104.0 % 104.0 %
Nominal efficiency at 40/30 °C
106.0 % 106.0 % 106.0 %
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 37 kg 37 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 19.5 kW 7.6 to 19.5 kW
Effective output range (P)
at 50/30 °C 5.3 to 19.1 kW 6.3 to 19.1 kW 7.5 to 19.1 kW