Viadrus U22 Economy 16, Руководство по эксплуатации и установке

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Fig. №. 24 Flow of combustion air
7.2 Boiler settings for measuring emissions
Before measuring emissions, it is necessary to clear thoroughly the boiler and its flue channel.
The boiler must be operated for at least 3 hours.
During the measurement it is necessary to operate the boiler with the rated power.
Fig. №. 25 Boiler settings for measuring emissions
1. Primary air intake
2. Secondary and tertiary air inlet
Set opening
of the supply
throttle valve
of primary air to 30
mm
C: see table No. 2
Flue gases
temperature: 150
– 190°C
O
2
: 5.5
– 7.5%
Close
the shortening
valve with help of
the connecting
rod