Setting The Air/Gas Ratio (Full Load) - DeDietrich Innovens MCA 35 Installation And Service Manual

Wall-hung gas condensing boilers
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5. Commissioning
0
2
4
6
8
E
1
TEMP.: 68°
2
1
D
2
#
F
% $
AUTO
J
I
0
2
4
6
8
10
12
14
GENE :
BOILER TEMP.
E
1
CURRENT
2
WIND SPEED
1
D
2
bar
F
!
#

% $
AUTO
J
I
STD
A
66
T001581-A
10
12
14
16
18
20
22
24
SUNDAY 11:45

!
:
<
STD
C002271-F-04
AUTO => PMAX
16
18
20
22
24
PMAX
68°C
10µA
5600 tr/min
:
<
C002347-F-04
T000932-A
¼ See chapter: "Professional settings", page 81
5.4.2.

Setting the air/gas ratio (Full load)

1. Unscrew the plug of the flue gas measurement point.
2. Connect the flue gas analyser.
WARNING
Ensure that the opening around the sensor is completely
sealed when taking measurements.
3. In the main display, press key - . The menu EMISSION
MEASURMENTS is displayed on the screen.
If an automatic vent cycle is running, it is not possible to
perform these operations.
4. Turn the rotary button until PMAX is displayed. The full load is set.
5. Measure the percentage of O
panel removed) .
6. If this rate does not match the required value, correct the gas/air
ratio using the adjustment screw A on the gas valve unit.
7. Check the flame through the flame inspection window.
The flame must not be detached.
or CO
in the flue gases (Front
2
2
15/06/12 - 300022160-001-01
MCA 35

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