Installation and operating instruction
Dual fuel burner WGL40/1-A ZM
3 Product description
83273402 1/2019-02 La
22-148
3.4.5 Emissions
Flue gas
Emission class 3 for fuel oil EL to EN 267
Emission Class 2 for Natural Gas to EN 676
Emission class 3 for Liquid Petroleum Gas to EN 676
The NO
x
values are influenced by:
combustion chamber dimensions
flue gas system
fuel
combustion air (temperature and humidity)
medium temperature
Sound levels
Dual number noise emission values
Measured sound power level L
WA
(re 1 pW)
Uncertainty value K
WA
79
4
dB(A)
(1
dB(A)
Measured sound pressure level L
pA
(re 20 μPa)
Uncertainty value K
pA
73
4
dB(A)
(2
dB(A)
(1
Determined to ISO 9614-2.
(2
Determined at 1 metre distance from the front of the burner.
The measured noise levels plus uncertainty values form the upper limit value, which
could occur when measuring.