7 181 465 347 (01.07)
Rectifying faults
37
Flue gas levels incorrect, CO level too high
Check
Action
1.
Does the gas supply type match the
specifications on the appliance iden-
tification plate?
yes:
↓
2.
no:
B
Convert appliance to correct gas type
1)
.
2.
B
Test gas supply pressure
1)
, - OK?
yes:
↓
3.
no:
B
Decommission appliance.
B
Notify gas company.
3.
Problem with flue?
B
Check CO
2
level in combustion
air.
> 0,2 % CO
2
?
yes:
B
Check flue and repair or replace if necessary.
no:
↓
4.
4.
Flue gas CO
2
levels measured at
min. and max. load do not match
specified levels?
1)
.
B
Measure CO
2
levels.
yes:
B
Adjust CO
2
levels.
no:
↓
5.
5.
Gas volumetric flow too high when
CO
2
level correctly set
1)
.
yes:
B
Reduce gas volumetric flow rate by means of
adjusting screw on gas valve and/or gas flow
restrictor.
B
Check CO
2
adjustment.
no:
↓
6.
6.
B
Change the gas valve.
1)
See installation instructions
Содержание ICC2 combi ZWBR 11-37 ICC2
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