Viessmann Vitodens 200-W B2HE, Technical Manual

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Gas boiler, type B and C, category II
2N3P
Type B2KE
Rated heating output range (details to EN 15502)
T
F
/T
R
= 50/30 °C
Natural gas kW 1.9 - 19.0 1.9 - 25.0 1.9 - 32.0
LPG kW 2.5 - 19.0 2.5 - 25.0 2.5 - 32.0
T
F
/T
R
= 80/60 °C
Natural gas kW 1.7 - 17.4 1.7 - 22.9 1.7 - 29.3
LPG kW 2.2 - 17.4 2.2 - 22.9 2.2 - 29.3
Flue gas parameters
Temperature (at a return temperature of 30 °C)
– At rated heating output °C 41 46 59
– At partial load °C 38 38 38
Temperature (at a return temperature of 60 °C, for DHW heat-
ing)
°C 70 74 77
Mass flow rate (for DHW heating)
Natural gas
– At rated heating output kg/h 49.3 57.3 62.1
– At partial load kg/h 3.2 3.2 3.2
LPG
– At rated heating output kg/h 49.2 57.1 61.1
– At partial load kg/h 3.9 3.9 3.9
Available draught
*4
Pa 250 250 250
mbar 2.5 2.5 2.5
Max. amount of condensate
To DWA-A 251
l/h 2.5 3.3 4.2
Condensate connection (hose nozzle) Ø mm 20 - 24 20 - 24 20 - 24
Flue gas connection Ø mm 60 60 60
Ventilation air connection Ø mm 100 100 100
Standard seasonal efficiency [to DIN] at
T
F
/T
R
= 40/30 °C % Up to 98 (H
s
) [gross cv]
Energy efficiency class A A A
*4 CH: Available draught 200 Pa; 2.0 mbar
Vitodens 200-W
(cont.)
VITODENS
VIESMANN
9
5853906
1