Viessmann Vitoligno 300-P Service Instructions For Contractors page 138

Specification
Specification
Rated output range
*5
Required draught
Flue gas *6
Average temperature
*7
(gross)
■ at the upper rated
output
■ at partial load (33%
of the upper rated
output)
CO content
2
Mass flow rate
■ at the upper rated
output
■ at partial load (33%
of the upper rated
output)
*5 Observe when sizing the chimney.
*6 Calculation values for sizing the flue gas system to DIN EN 13384.
Actual flue gas temperature as average gross value per DIN EN 304 at 20 °C
*7
combustion air temperature.
138
(cont.)
kW
Pa
mbar
°C
°C
% by vol.
kg/h
kg/h
4 to 12 6 to 18
5
0.05 0.05
125 125
70
12
31
9
8 to 24
5 5
0.05
125
70 70
12 12
46 65
11 15