03/2008 - Art. Nr. 13 013 477C
9
SQN31 481
Start-up
Description and settings
Combustion air
Servomotor Y10
1
Indicator for zeroing cams
2
Four adjustable notched cams
3
Cam setting key
4
Adjustable graduated disc
for servomotor position
5
Pushbutton to disengage cam
drum
6
Connection strip
A
Graduated sector from 0 to 90°.
Indicates air flap amplitude.
B
Coupling between air flap and
servomotor.
C
Air shutter position index.
Cam functions
Cam Function
I
Normal air flow
II
Air closing on shutdown / 0°
III
Ignition air flow
IV
Unadjustable and attached
to cam
V
V
Minimum regulation flow.
• Set a few degrees lower or higher
than value read on cam
III
, but
always lower than value read on
cam
I
.
Settings
• Check zeroing of cam drum.
• Pre-set the cams according to the
boiler power and the values shown in
the accompanying table.
To do so:
• Adjust the cams manually or with the
key. The angular position can be read
from the indicator located on each
cam.
ignition
kW
nom.
kW
ignition
cam III
nom.
cam I
700
35
900
45
1100
50
1200
60
1100
50
1300
80
1600
90
1150
55
1400
65
1700
80
1900
85
2100
90
Highlighted:
factory settings
10
C 210
200
200
240
C 160
10
AGP
type
Burner power
Air setting in °
C 120
C 160
10
Содержание C120 GX507/8
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