Boiler Settings For Measuring Emissions - Viadrus U22 Economy Series Manual For Operation And Installation

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.
Close
the shortening
valve with help of
the connecting
rod
Set opening
of the supply
throttle valve
of primary air to 30
mm
Fig. №. 25 Boiler settings for measuring emissions
19
1. Primary air intake
2. Secondary and tertiary air inlet
C: see table No. 2
Flue gases
temperature: 150 – 190°C
2 : 5.5 – 7.5%
O