23.3.2005 Rev. 1.0
Adjustment instructions
26
6.1.1 Replacing main burner nozzles
1. Remove the screw shown as item 28 in Fig. 13 and then remove the air sleeve;
Fig. 13
28. Primary air adjusting screw
29. Primary air sleeve
2. remove the nozzle (item 30 in Fig. 14) and replace it with the nozzle shown in "Ta-
ble 2: burner specifications";
Fig. 14
30. Burner nozzle
After replacing the nozzle, you should adjust primary air (see the following chapter "Ad-
justing primary air").
There is no need to adjust the minimum output as thermostat operation is of the "ON-
OFF" type.
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