RED TECNIKA 28 Use And Installation Manual page 42

red
Figure 6.8.2 View of primary air control fin and air distribution box.
EXPLANATION: the mobile lid is provided to allow to visually inspect the primary air control fin. The lid must
close the opening in nominal operating conditions.

Adjusting the combustion process
The operating parameters defining the hot water boiler heat output must be adjusted by authorised
technicians to guarantee an efficient combustion process and optimal operation of the appliance. It is
advisable to adjust the combustion process by means of measurements made with a combustion gas
analyser.
The flame released from the burner opening is sent downwards thus reaching the ceramic combustion
gas ducting element positioned in the boiler combustion chamber. The flame colour in nominal
operating conditions with an optimal combustion process (i.e. when the process occurs with low CO
content in combustion gases and low excess air ratio) will be bright yellow with blue edges.
Start-up procedures
USE AND INSTALLATION MANUAL
Primary air control fin closing direction (to decrease primary air flow)
TECNIKA 28-35
Mobile lid of the inspection
opening for observing the
position of the primary air
control fin
Primary air control fin
Primary air control fin opening
direction (to increase primary
air flow)
Technical dept. - All rights reserved - Reproduction prohibited
Chapter
6
page 42