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▶ Measure the CO
or O
level and the CO content of the flue gas
2
2
( Section 13).
▶ On the gas throttle, break the seal at the slot and remove the cap.
1 .
Fig. 77 Remove seal from the gas throttle
▶ Adjust the gas throttle to set the CO
nominal output according to the table 29.
Fig. 78 Set CO
or O
level for maximum nominal output
2
2
Maximum nominal
output
Gas type
CO
2
NG
9.4 %
LPG (propane)
11.0 %
Table 29 CO
or O
values at maximum and minimum nominal output
2
2
▶ Briefly press the emissions test button
The supply temperature alternates on the display with
minimum nominal output.
▶ Measure the CO
or O
level and the CO content of the flue gas
2
2
( Section 13).
Greenstar – 6721822579 (2020/03)
2 .
6 7 2 0 6 1 2 6 5 9 - 3 7 . 1 R
or O
level for maximum
2
2
6 7 2 0 6 1 2 6 5 9 - 3 8 . 1 R
Minimum nominal
output
O
CO
O
2
2
4.0 %
8.6 %
5.5 %
4.2 %
10.4 %
5.1 %
.
=
▶ Remove screw ( Fig. 79, [3]) from the gas valve adjustment screw
( Fig. 79, [2]) and set CO
output.
3
2
1
Fig. 79 Setting the CO
▶ Re-check settings at maximum and minimum nominal output and re-
adjust if necessary.
▶ Repeatedly press the emissions test button
out.
The display returns to the supply temperature.
▶ Record the CO
or O
2
commissioning log.
▶ Reinstall screw ( Fig. 79, [3]) to cover the adjustment screw
( Fig. 79, [2]) on the gas valve again.
▶ Remove flue gas probe and close the flue gas test port properly.
2
Fig. 80 Close flue gas test ports
Gas adjustment
or O
value for minimum nominal
2
2
or O
values for minimum nominal output
2
2
until the light goes
levels and the CO content of the flue gas in the
2
6 720 641 933-80.1O
63
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