Operating Instructions For TD/TAD4 Dual Fuel Burner
June 13 26 of 165 TD/TAD4 Manual Rev 4
3 Combustion Head Settings
On burners fitted with standard 'Z' and 'Y' type nose cones, the dimension 'A' between the end of
the burner nose cone and the front face of the flame plate, can be altered by releasing the three, M6
locking nuts inside the draught tube, and sliding the cone forwards / backwards, along its
adjustment slots until the required setting is obtained.
Important Notes:
Factory setting of gas flow is as shown on the following combustion head arrangement
drawings. Position of gas nozzles must be finalised at commissioning to suit the particular
boiler in which the burner is fitted.
When using low NOx heads, the projection must be at least 130-150mm past the boiler
refractory (into the furnace).
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