Daikin CHYHBH05AA Installer's Reference Manual page 67

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
heating demand.
6 Select High setting by simultaneously pressing
Capital will appear on the service display. The user interface
will display Busy. Do NOT test when lowercase is displayed. If
this is the case, press and
7 Allow readings to stabilise. Wait for at least 3 minutes and
compare the CO percentage with the values in the table below.
2
CO value at Natural
2
maximum power gas G20
Maximum value 9.6
Minimum value 8.6
8 Note down the CO percentage at maximum power. This is
2
important with regard to the next steps.
CAUTION
It is NOT possible to adjust the CO
program is running. When the CO
from the values in the table above, please contact your
local service department.
9 Select Low setting by simultaneously pressing
once. will appear on the service display. The user interface
will display Busy.
10 Allow readings to stabilise. Wait for at least 3 minutes and
compare the CO percentage with the values in the table below.
2
CO value at Natural
2
minimum power gas G20
Maximum value
Minimum value 8.4
(a) CO value at maximum power recorded at High setting.
2
CHYHBH05+08AA + EHYKOMB33A
Daikin hybrid for multi heat pump – heat pump module
4P471761-1A – 2017.10
a
button and create a space
and twice.
again.
Natural Propane P Propane P
gas G25 G31 G31
(in (30/50 mb (37 mbar)
Belgium) ar)
8.3 10.8
7.3 9.8
percentage when test
2
percentage deviates
2
and buttons
Natural Propane P Propane P
gas G25 G31 G31
(in (30/50 mb (37 mbar)
Belgium) ar)
(a)
7.4 9.4 9.4
11 If the CO percentage at maximum and minimum power is
2
within the range expressed in the tables above, the CO
of the boiler is correct. If NOT, adjust the CO
to the instructions in the chapter below.
12 Switch off the appliance by pressing the
sampling point back in its place. Make sure it is gastight.
13 Put the front panel back in its place.
CAUTION
Work on gas carrying parts may only be carried out by a
qualified competent person.
To adjust the carbon dioxide setting
INFORMATION
Only adjust the CO setting when you have checked it first
2
and are sure adjustment is necessary. In Belgium, any
modifications to the gas valve MUST be performed by a
certified representative of the manufacturer. For more
information, contact your dealer.
1 Remove the cap that covers the adjustment screw. In the
illustration, the cover cap is already removed.
2 Turn the screw (a) to increase (clockwise) or decrease
(counterclockwise) the CO
2
the desired value.
a
a Adjusting screw with cover
Measured value at Adjustment values CO
maximum power minimum power (front cover opened)
Natural gas 2H
(G20, 20 mbar)
10.8
10.6
10.4
10.2
10.0
9.8
9.6
9.4
9.2
9.0
8.8
8.6
3 After measuring the CO percentage and adjusting the setting,
2
put the cover cap and the sampling point back in their place.
Make sure they are gastight.
4 Select High setting by simultaneously pressing
Capital will appear on the service display.
5 Measure the CO percentage. If the CO
2
deviates from the values in the table indicating the CO
percentage at maximum power, contact your local dealer.
6 Press and simultaneously to exit the test program.
8 Configuration
setting
2
setting according
2
button and put the
percentage. See the table below for
(%) at
2
Propane 3P (G31,
30/50/37 mbar)
— 10.5±0.1
10.3±0.1
10.1±0.1
9.9±0.1
9.8±0.1
9.6±0.1
9.0±0.1 —
8.9±0.1
8.8±0.1
8.7±0.1
8.6±0.1
8.5±0.1
and twice.
percentage still
2
Installer reference guide
2
67