AIC COILMASTER 100, Installation And Maintenance Manual For The Installer And The User

Page: 53 / 94

5
Fig. 15. Combustion Adjustment on Gas Valve
I-53
G-084383_EN • 03
C
ommissioning
Start-up and Commissioning
Conditions:
Tools and material:
None
Procedure:
1. Make sure that all connections are tight and
there is no leak.
2. Push the On/Off switch located on the right
side of the boiler.
î
When in the ON position, the
switch remains pushed in and is
illuminated.
î
When starting the boiler for the first
time after installation, the controller will
open the Commissioning Wizard auto-
matically. This wizard process only ap-
pears once, provided that the function
is disabled (set to “off’) at completion
of the process. To bypass it, activate
“Continue” or “Skip” displayed at the
bottom of the screen, until you reach
the end of the process.
3. If required, perform the commissioning set-
ting of the boiler, following the instructions
displayed on the screen. Refer to “Commis -
sioning Wizard” on page I-54 for more in-
formation and a list of the settings.
Follow-on task(s):
Perform the combustion adjustments. Refer to the
procedure on the right.
i
Combustion Adjustment
Conditions:
ON
Tools and material:
î
Flue gas analyser
î
Screwdriver, flat head, size 3
î
Wrench, hex head, sizes 2 and 2.5
Procedure:
1. Allow the boiler to operate for a few minutes.
2. Connect the flue gas analyser probe to the
measuring port of the flue gas pipe.
3. Check CO
2
contents in the flue gas at max
output as follows:
î
Select and activate the icon
î
Select “ Special operations (1/3) ”
î
Set “ Chimney sweep function ” to “ on ”.
î
Set “ Burner output ” to “ Full load ”.
î
Check the CO
2
contents, and compare
the values with those in the technical
specifications (See “Combustion and
Gas Data” on page G-18).
î
If the value is outside the range, adjust
the combustion value by turning the gas
valve throttle (
5
) in small steps, to allow
the value to stabilise before performing
additional adjustments .
- Rotate throttle screw clockwise (to the
right) to decrease the CO
2
rate.
- Rotate throttle screw counter-clock-
wise (to the left) to increase the CO
2
rate.
4. In “ Special operations (1/3) ”, set “ Chimney
sweep function ” to “ off ”.
Follow-on task(s):
Record the value in the log sheet. Refer to “Com-
bustion Parameters - Log Sheet” on page I-90.