Setting The Air/Gas Ratio (Full Load) - DeDietrich Innovens MCA 15 Installation And Service Manual

Wall-hung gas condensing boilers
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MCA 15 - MCA 25 MCA 25/28 MI
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
EMISSION MESURMENTS
GENERATOR : GENE
E
1
2
1
D
2
bar
#
F

!
% $
AUTO
J
I
STD
0
2
4
6
8
10
12
14
GENE :
BOILER TEMP.
E
1
CURRENT
2
FAILURE
1
D
2
bar
#
F

!
% $
AUTO
J
I
STD
29/04/2010 - 300022146-001-B
T001581-A
10
12
14
16
18
20
22
24
SUNDAY 11:45
!

:
<
STD
C002271-F-04
16
18
20
22
24
:
<
C002346-D-04
OFF => PMAX
16
18
20
22
24
PMAX
68°C
10µA
5600 tr/min
:
<
C002347-D-04
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
MEASUREMENTS is displayed on the screen.
If an automatic vent cycle is running, it is not possible to
perform these operations.
4. Select the generator desired. The characteristics of the generator
are displayed.
5. Turn the rotary button until PMAX is displayed. The full load is set.
6. Measure the percentage of O
panel removed) .
or CO
in the flue gases (Front
2
2
5. Start-up
67

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