Total absorption at start with ignition transformer on.
The measurement has been carried out in Baltur's laboratory, in accordance with EN 15036-1 standard
**
Acoustic pressure measured one meter behind the equipment, with burner operating at maximum rated heat input, it refers to Baltur's laboratory environment
conditions and cannot be compared to measurements carried out in different locations.
*** Acoustic pressure was obtained characterizing Baltur's laboratory with a sample source, this measurement has an accuracy of class 2 (engineering class) with a