Daikin Altherma R Hybrid Installer's Reference Manual page 146

8 | Configuration
About the CO₂ setting
Installer reference guide
146
9 Switch on the mains power.
10 Check the gas connections after the gas valve for gastightness (during
operation).
11 Now check the setting of the CO
low setting ( in display).
12 Put a sticker indicating the new gas type on the bottom of the gas boiler, next
to the nameplate.
13 Put a sticker indicating the new gas type next to the gas valve, over the
existing one.
14 Put the front panel back in its place.
b
a
a Coupling
b Gas mixing tube
c O-ring
d Gas metering ring
INFORMATION
The gas boiler is configured for operation with gas type G20 (20 mbar). However, if
the gas type present is G25 (25 mbar), the gas boiler can still be operated without
modification.
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
percentage at high setting ( in display) and
2
c
d
percentage in the
2
CHYHBH05+08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10