Daikin EHYKOMB33AA2 [78/136] Configuration
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Daikin EHYKOMB33AA2 [78/136] Configuration

Daikin EHYKOMB33AA2 [78/136] Configuration
8 Configuration
Installer reference guide
78
EVLQ05+08CAV3 + EHYHBH05AA + EHYHBH/X08AA +
EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1A – 2016.02
Desired power (kW) Setting on service display (%
of max. rpm)
12.7 40
9.6 30
7.0 25
Note that for the gas boiler the power during burning is increased
slowly and is reduced as soon as the supply temperature is reached.
To change to a different type of gas
CAUTION
Work on gas carrying parts may ONLY be carried out by a
qualified competent person. ALWAYS comply with local
and national regulations. The gas valve is sealed. In
Belgium, any modifications to the gas valve MUST be
performed by a certified representative of the
manufacturer. For more information, contact your dealer.
If a different type of gas is connected to the appliance than that for
which the appliance has been set by the manufacturer, the gas
metering MUST be replaced. Conversion sets for other types of gas
are available to order. See "5.3.3 Possible options for the gas
boiler"on page14.
1 Switch the boiler off and isolate the boiler from the mains
power.
2 Close the gas tap.
3 Remove the front panel from the appliance.
4 Unscrew the coupling (a) above the gas valve and twist the gas
mixing tube towards the rear (b).
5 Replace the O-ring (c) and the gas restriction (d) with the rings
from the conversion set.
6 Reassemble in reverse sequence.
7 Open the gas tap.
8 Check the gas connections before the gas valve for
gastightness.
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
2
percentage at high setting (
in display) and 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.
a
b
c
d
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.
About the carbon dioxide setting
The CO
2
setting has been set in the factory and in principle requires
no adjustments. The setting can be checked by measuring the CO
2
percentage in the 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
2
percentage when the cover is open.
To check the carbon dioxide setting
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.

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