Start-up, calibration and operation of the burner
27
20052068
GB
5.1
Notes on safety for the first start-up
5.2
Adjustments before first firing
➤
Ensure that the gas supply company has carried out the sup-
ply line vent operations, eliminating air or inert gases from the
piping.
➤
Slowly open the manual valves situated upstream of the gas
train.
➤
Adjust the minimum gas pressure (Fig. 36) switch to the start
of the scale.
➤
Adjust the maximum gas pressure switch (Fig. 35) to the end
of the scale.
➤
Adjust the air pressure switch (Fig. 34) to the start of the scale.
➤
Purge the air from the gas line.
Fit a U-type manometer (Fig. 32) to the gas pressure test point
on the sleeve.
The manometer readings are used to calculate the MAX.
burner power using the diagram on page 23.
5
Start-up, calibration and operation of the burner
WARNING
The first start-up of the burner must be carried out
by qualified personnel, as indicated in this manual
and in compliance with the standards and regula-
tions of the laws in force.
WARNING
Check the correct working of the adjustment, com-
mand and safety devices.
CAUTION
Before starting up the burner it is good practice to
adjust the gas train so that ignition takes place in
conditions of maximum safety, i.e. with gas delivery
at the minimum.
Fig. 32
D2368
