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Checking the CO₂ content
Great Bri-
tain
Removed
front cas-
ing/installed
front casing
Natural gas
G20
9.2 ±1 %
◁
The value is OK.
▽
The value is not OK; you cannot start up the
product.
▶
Set the CO₂ content. (→ Page 25)
11.5
Setting the CO₂ content
Conditions: The CO₂ content must be adjusted
A
▶
Remove the sticker.
▶
Turn the screw (1) to set the CO₂ content (value with
front casing removed).
◁
To increase the CO₂ content: Turn anti-clockwise
◁
To decrease the CO₂ 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 CO₂ value
Great Britain
Removed front cas-
ing/installed front
casing
Natural gas
G20
9.2 ±0.2 %
CO₂ at full
load
Set for
14.09 kW⋅h/m³
Wobbe
index W₀
4.5 ±1.8 vol. %
O₂ at full
load
0020230529_02 ecoFIT sustain Installation and maintenance instructions
▽
▶
Check whether the air-quality requirements with regard
to carbon monoxide are fulfilled.
▶
Fit the front panel.
11.6
1
B
1.
Switch off the product via the main switch.
2.
Close the gas isolator cock.
3.
Remove the front casing. (→ Page 10)
4.
Remove the screw (1).
5.
Push the clip upwards.
6.
Remove the flue gas pipe (2).
Inspection and maintenance 11
Great Britain
Removed front cas-
ing/installed front
casing
Natural gas
G20
≤ 250 ppm
CO at full
load
≤ 0.0027
CO/CO₂
If the setting is not in the specified adjustment range,
you must not start up the product.
▶
Inform Customer Service.
Removing the gas-air mixture unit
Note
The gas-air mixture unit consists of three main
components:
– Ventilator
– Gas valve,
– Burner cover
D
1
A
B
C
2
25
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