Bartscher GWTH1 Instrucciones De Uso página 47

Adjustment of primary air (fig. 8)
The primary air is adjusted and sealed permanently according to the country of
destination and type of gas. The adjustment data are shown on the package and the
rating plate. If the modification is required, adjust the primary air according to the
table 3 „Characteristics of burners and nozzles" on page 42:
Fig. 8
burner nozzle
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Nozzle
bypass
ignition burner
ignition nozzle
secondary air
chamber
fixing bolt
primary air
chamber
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