Inspection and maintenance 11
0020230529_04 ecoFIT sustain Installation and maintenance instructions
25
11.3
Checking the CO
₂
content
1.
Start up the product with check programme
(P.01)
.
2.
Wait until the value that is read is stable.
–
Waiting period for reading a stable value: 5 min
1
3.
Unscrew the cover from the flue gas analysis point
(1)
.
4.
Measure the CO
₂
content at the flue gas analysis point
(1)
.
5.
Compare the measured value with the corresponding
value in the table.
Checking the CO
₂
content
Great Britain
front casing on / front casing off
Natural gas
G20
9.2
±
1 %
◁
The value is OK.
▽
The value is not OK; you cannot start up the
product.
▶
Set the CO
₂
content. (
11.4
Setting the CO
₂
content
Condition
: The CO
₂
content must be adjusted
1
A
B
▶
Remove the sticker.
▶
Turn the screw
(1)
to set the CO
₂
content (value with
front casing removed).
◁
To increase the CO
₂
content: Turn anti-clockwise
◁
To decrease the CO
₂
content: Turn clockwise
▶
Only carry out the adjustment in increments of 1/8 turn
and wait approximately 1 minute after each adjustment
until the value has stabilised.
▶
Compare the measured value with the corresponding
value in the table.
Setting the CO
₂
value
Great Britain
front casing on / front cas-
ing off
Natural gas
G20
CO
₂
at full load
9.2
±
0.2 %
Set for Wobbe index
W
₀
14.09 kW
⋅
h/m
³
O
₂
at full load
4.5
±
1.8 vol. %
CO at full load
≤
250 ppm
CO/CO
₂
≤
0.0027
▽
If the setting is not in the specified adjustment range,
you must not start up the product.
▶
Inform Customer Service.
▶
Check whether the air-quality requirements with regard
to carbon monoxide are fulfilled.
▶
Fit the front panel.
11.5
Removing the gas-air mixture unit
Note
The gas-air mixture unit consists of three main
components:
–
Fan
–
Gas valve assembly,
–
Burner hood
1.
Switch off the product via the main switch.
2.
Close the gas stopcock.
3.
Remove the front casing. (
C
A
B
1
D
2
4.
Remove the screw
(1)
.
5.
Push the clip upwards.
6.
Remove the flue pipe
(2)
.
