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C 330 ECO - C 630 ECO
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
3
B
2.5
B
M
"
31/05/2012 - 7600532-01
AUTO => PMIN
16
18
20
22
24
PMIN
68°C
10µA
1850 tr/min
:
<
C002348-F-04
T003481-D
bar
9
1
2
4. Turn the rotary button until PMIN is displayed. The part load is set.
5. Measure the percentage of O
The 5 to 9 section boilers are supplied with a different gas
block from the 10 section boiler. See drawing for the
position of control screw B for a low load.
6. If this rate does not match the required value, correct the gas/air
ratio using the adjustment screw B on the gas valve unit. The
direction in which the adjustment screw must be turned to increase
or decrease the gas flow is indicated on the gas block.
7. Check the flame through the flame inspection window.
The flame must be stable.
O
/CO
control and setting values at part load for G20 (Gas H)
2
2
C330 ECO
All versions
(1) Nominal value
CAUTION
The CO
values when operating at low load must be lower
2
than the values when operating at full load.
Repeat the high speed test and the low speed test as often
as necessary until the correct values are obtained without
having to make additional adjustments.
5.4.3.
Setting the air/gas ratio (Full load)
(IniControl)
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. Set the boiler to full load. Press keys A and B simultaneously. The
display shows h3 . The symbol ) appears.
4. Measure the percentage of O
The 5 to 9 section boilers are supplied with a different gas
block from the 10 section boiler. See drawing for the
position of control screw A for a full load.
or CO
in the flue gases.
2
2
O
(%)
CO
2
(1)
4,8
- 5,4
8,7 - 9,0
or CO
in the flue gases.
2
2
5. Commissioning
(%)
2
(1)
55
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