Daikin Altherma EVLQ05+08CA Installer's Reference Manual page 177

About the CO₂ setting
To check the CO₂ setting
EVLQ05+08CAV3 + EHYHBH05AF + EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
The CO setting has been set in the factory and in principle requires no
2
adjustments. The setting can be checked by measuring the CO
combustion gases. In case of possible disturbance of the adjustment, replacement
of the gas valve or conversion to another gas type the adjustment must be checked
and if necessary set according to the instructions below.
Always check the CO percentage when the cover is open.
2
1 Switch off the heat pump module with the user interface.
2 Switch off the gas boiler with the button. appears on the service display.
3 Remove the front panel from the gas boiler.
4 Remove the sampling point (a) and insert a suitable flue gas analyser probe.
INFORMATION
Make sure the start-up procedure of the analyser is completed before inserting the
probe into the sampling point.
INFORMATION
Allow the gas boiler to operate steadily. Connecting the measuring probe before
stable operation can give incorrect readings. It is recommended to wait at least
30 minutes.
5 Switch on the gas boiler with the
demand.
6 Select High setting by simultaneously pressing
appear on the service display. The user interface will display Busy. Do NOT
test when lowercase is displayed. If this is the case, press
7 Allow readings to stabilise. Wait for at least 3 minutes and compare the CO
percentage with the values in the table below.
CO value at maximum
2
power
Maximum value
Minimum value
a
button and create a space heating
Natural gas Natural gas
G20 G25 (in
Belgium)
9.6 8.3
8.6 7.3
8 Configuration
|
percentage in the
2
and twice. Capital
and again.
Propane P Propane P
G31 G31
(30/50 mbar) (37 mbar)
10.8
9.8
Installer reference guide
will
2
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