Intergas Heating Ltd
38
Test program L = LOW SETTING:
8.
Select Low setting by simultaneously pressing
and once.
L.
appears in the
service display.
9.
Allow readings to stabilize. After waiting at least 3 minutes check the CO
2
percentage as
listed in the table below.
CO
2
value (%) at minimum power (front cover opened)
Natural gas H
G20
(%)
Propane 3P
G31
(%)
Max. CO
2
value
= value at max. power
= value at max. power
Min. CO
2
value
8.4 %
9.4 %
10.
Check the CO
2
percentage. If the values are within the prescribed range the CO
2
setting of
the boiler is correct.
If the value is not within the prescribed band please proceed as mentioned in § 10.8,
adjusting CO
2
setting.
11.
Switch off appliance by pressing the button and reposition the sample point cap.
12.
Reposition the front cover.
CAUTION
Check that the Flue sampling point X is gas tight after sampling.
CAUTION
Work on gas carrying parts may only be carried out by a qualified
competent person.