USER MANUAL OPTIMA 7
MRU GmbH, D-74172 Neckarsulm 70 / 78
Temp. Ambient air (Thermo-Element)
Temp. Flue gas (Thermo-Element)
Available conversions of CO
[ ppm ] related to. on 0% rest O
2
(undiluted)
[ ppm ] related to. on fuel type dependent O
2
refer-
ence value
[ mg/m
3
] on fuel type dependent O
2
reference value
Continuously calculated values
Losses and efficiency are calculated by means of net calorific value.
These values are than referenced for the gross calorific value for con-
densing boilers only. (Efficiency > 100)
The calculations of efficiency and exhaust losses are performed using
Siegert’s formula.
For further information please contact MRU GmbH. (www.mru.eu)