Final Instructions - DeDietrich 24 Installation And Service Manual

20/24 MI
Gas type
DP003*
28 kW
G27 8400
G2.350 8200
* Settings to modify the number of fan revolutions (no. revs/min).
Tab.114 CO – CO – O values with the front panel CLOSED
2 2
Gas type
G20*
G27
G2.350
G30
(10.2 ÷ 10.7)
G31
(10.2 ÷ 10.7)
* When using mixes that are up to 20% hydrogen (H
Important
This appliance is suitable for the category containing up to 20% hydrogen (H2). Due to variations in the percentage
of H2, the percentage of O2 can vary over time. (For example: A percentage of 20% H2 in the gas may lead to a
1.5% increase of O2 in flue gases) The gas valve may need to be adjusted more accurately. This must be adjusted
using standard O2 values for the gas used.
7.5

Final instructions

Fig.129 Example of a completed self-
adhesive label
Adjusted for / Réglée pour /
Ingesteld op / Eingestellt auf
/ Regolato per / Ajustado
para / Ρυθμισμένο για /
Nastawiony na / настроен
для / Reglat pentru /
настроен за / ayarlanmıştır /
Nastavljen za / beállítva/
Nastaveno pro / Asetettu
kaasulle / Justert for/
indstillet til/ ‫: ل طبض‬
G20
Gas
20
mbar
C
(10)3(X)
C
(12)3(X)
7804841 - 02 - 20012022
SETTINGS — No. REVS/MIN (RPM)
Pmin 24/28 MI - 24
-
GP007* GP008* DP003*
24 kW 5.8 kW 24 kW
7100 2650 9200
7000 2650 9100
Nominal CO2%
Max Pn Pmin
9.0% 8.5%
(8.8 ÷ 9.4) (8.1 ÷ 8.6)
9.0% 8.5%
(8.8 ÷ 9.4) (8.1 ÷ 8.6)
8.5% 8.0%
(8.3 ÷ 8.7) (7.8 ÷ 8.2)
10.4% 9.8%
(9.2 ÷ 9.8)
10.3% 9.7%
(9.2 ÷ 9.8)
Parameters / Paramètres /
Parameter / Parametri /
Parámetros / Παράμετροι /
Parametry / Параметры /
Parametrii / Параметри /
Parametreler / Paraméterek
/ Parametrit / Parametere /
Parametre / ‫: تاملعملا‬
DP0xx - xxxx
GP0xx - xxxx
GP0xx - xxxx
BO-0000273
Pmin
-
GP007* GP008*
20 kW 4.8 kW
7900 2700
7850 2700
FRONT PANEL CLOSED
Maximum CO
ppm
<250
<250
<250
<350
<350
), for calibrating the gas valve only refer to the value of O
2
1. Remove the measuring device.
2. Put the flue gas sampling plug back in place.
3. Seal the gas valve assembly
4. Close the front panel.
5. Heat the system to approx. 70°C.
6. Switch off the boiler.
7. Degas the system after approx. 10 minutes.
8. Switch on the boiler.
9. Check the tightness of the combustion flue gas evacuation and
combustion air intake system.
10. Check the hydraulic pressure in the heating circuit. If necessary,
restore the pressure (the recommended hydraulic pressure is between
1.0 and 1.5 bar).
11. In the case of installations on type C flue pipes
on the side. Note down the rpm for the modified settings and the
natural gas category used on the plate.
The gas type, if adapted to another gas;
The gas supply pressure;
In the case of overpressure applications, type of flue gas outlet;
The parameters modified for the changes mentioned above;
Any fan speed parameters modified for other purposes.
12. Inform the user about the operation of the boiler and the control panel
(and/or the remote control if included in the supply).
13. Give all the instruction manuals to the user.
7 Commissioning
30/35 MI
DP003* GP007*
34 kW 30 kW
9600 8700
9500 8650
Nominal O2%
Max Pn
4.8%
(5.2 ÷ 4.1)
4.6%
(4.9 ÷ 3.8)
5.1%
(5.4 ÷ 4.7)
5.4%
(5.7 ÷ 5.0)
5.2%
(5.4 ÷ 4.6)
%.
2
use the data plate
15(3)
INIDENS
en
Pmin
-
GP008*
7.3 kW
2900
2900
Pmin
5.7%
(6.5 ÷ 5.6)
5.5%
(6.2 ÷ 5.3)
6.0%
(6.4 ÷ 5.6)
6.3%
(7.2 ÷ 6.3)
6.1%
(6.9 ÷ 6.0)
185