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MCA 35
C002366-B
0
2
4
6
8
10
12
14
LANGUE
Français - Deutsch - English -
E
1
Italiano - Espanol - Nederlands
2
- Pycck
- Polski - Türk -
1
D
2
bar
#
F
!
% $
J
I
STD
5.4
Gas settings
15/06/12 - 300022160-001-01
16
18
20
22
24
FRANCAIS
C002286-C
4. Turn on the boiler using the on/off switch.
5. The first time the boiler is powered up, the LANGUAGE menu is
displayed. Select the desired language by turning the rotary
button.
6. To confirm, press the rotary button.
The boiler will begin an automatic venting-programme (which lasts
approx. 3 minutes) and will do this every time the power supply is
isolated.
Error during the start-up procedure:
4 No information is shown on the display:
- Check the mains supply voltage
- Check the fuses
- Check the connection of the power cable to the connector X1
on the PCU PCB
4 If there is a problem, the error is displayed on the screen.
¼ See chapter: "Messages (Code type Bxx or Mxx)", page
104
If a DHW sensor is connected and the anti-legionella
function is activated, the boiler starts to heat the water in
the DHW tank as soon as the vent programme has been
completed. The heating time depends on the size of the
DHW installation.
5.4.1.
Adapting to another gas type
WARNING
Only a qualified engineer may carry out the following
operations.
The boiler is preset in the factory to operate on natural gas H (G20).
For operation on another group of gases, carry out the following
operations:
4 Set the air/gas ratio.
¼ "Setting the air/gas ratio (Full load)", page 66
¼ "Setting the air/gas ratio (Part load)", page 67
4 Set the fan speed using the parameters MIN.VENT.,
MAX.VENT.BOIL, MAX.VENT.DHW and START SP.:
5. Commissioning
65
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