Table of Contents
Advertisement
9.11 Gas Valve Calibration and CO
Chimney Sweep Function = Manual CO
values shall be checked and adjusted if outside the required
range.
Enable Chimney Function/CSF (Service):
• To enter Chimney function press
simultaneously with a long push.
• To enter CSF the Right Knob has to be moved.
When CSF is active the display shows "ON" (2 seconds) and
code 304 with boiler power in %:
Turn Right Knob clockwise
at 100%.
1.
Calibrating MAXIMUM heat output
Check CO2 measured at the flue test port, with boiler
operating at maximum heat capacity, matches that indicted
in Combustion Table below. If it does not, turn adjusment
screw (V-Throttle) on gas valve. Turn the screw clockwise
to decrease level of CO
it.
Turn Right knob counter-clockwise
boiler at 0%.
2.
Calibrating REDUCED heat output
Check the CO2 measured at the flue test port, with
boiler operating at minimum heat capacity, matches that
indicated in Combustion Table below. If it does not, turn
the adjustment screw (K-OFFSET) on the gas valve. Turn
the screw clockwise
counter-clockwise
To exit Chimney/CSF function press
simultaneously with a long push, or it will automatically time
out after 25 minutes.
COMBUSTION TABLE
Nominal value
Maximum
power (100%)
Permitted value 8.2 – 9.3
Nominal value
Minimum
power (0%)
Permitted value 8.2 – 9.3
9 - START UP PROCEDURE
Adjustment:
2
adjusment. CO
2
and
and increase power of the boiler
and counter-clockwise
2
and decrease power of
to increase the level of CO
to decrease it.
and
Gas A
(Natural Gas)
(Natural Gas)
GMHB125
CO
%
O
%
CO
2
2
8.7
5.4
6.3 – 4.3
8.5 – 9.5
8.8
5.2
6.3 – 4.3
8.2 – 9.3
2
• Press
15 seconds.
• Use a regularly calibrated combustion analyzer for
combustion analysis.
to increase
and
2
Gas A
Gas A
(Natural Gas)
GMCB150
GMHB160
%
O
%
CO
%
2
2
2
9.0
4.9
9.0
5.7 – 4.0 8.7 – 9.3 5.4 – 4.3
8.8
5.2
9.0
6.3 – 4.3 8.7 – 9.3 5.4 – 4.3
63
NOTICE
to display instantaneous flow temperature for
Gas A
(Natural Gas)
GMCB200
O
%
CO
%
O
%
2
2
2
4.9
9.0
4.9
8.7 – 9.3
5.4 – 4.3
4.9
9.0
4.9
8.7 – 9.3
5.4 – 4.3
PN 240012363 REV. A [08/31/2018]
Gas E (LPG)
CO
%
O
%
2
2
10.0
6.0
9.5 – 10.5
6.8 – 5.2
10.0
6.0
9.5 – 10.5
6.8 – 5.2
Advertisement
Table of Contents
