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Figure 11. Shutter and Band
SHUTTER
(for low rate adjustments)
adjust this with band fully
CLOSED
AIR BAND
(for high rate adjustments)
adjust this with shutter fully
OPEN
O
= Tighten
locking
screws
securely
after
adjustments
have
been
made
Table 2. initial burner
settings
NOTICE
]
The shutter and band both control the amount of flow
area available for air inlet to the burner. The greater their
combined flow area, the higher the firing rate. The pri-
mary differences between the two are their ease of ad-
justment and their total airflow area.
The shutter turns
more easily and has a smaller net flow area. As a result
we have found the shutter to be better suited for low rate
adjustments, and the band better suited for high rate ad-
justments.
We recommend that at low rates the band
be left completely closed until the shutter has been fully
opened, and that for higher rates the shutter is left com-
pletely open as the band is opened.
300
CG 10.1S
1.0
0.5
3
0
1.3
0.6
3
0
1.5
0.8
4
0
2.0
1.0
6
0
400
CG10.2S
1.1
0.5
4
0
1.3
0.7
4
0
1.6
0.8
5
0
2.1
1.0
6
0
500
CG10.3S
1.2
0.6
6
0
1.5
0.7
7
0
1.7
0.9
8
0
2.2
1.1
10
1
800
CG10.5S
3.1
1.6
8
0
3.4
1.7
9
0
3.6
.8
10
1
4.1
2.1
10
3
1000
CG 10.6S
3.2
1.6
10
0
3.4
1.7
10
2
3.7
1.8
10
3
4.2
2.1
10
6
1200
CG10.6S
4.6
2.3
10
6
4.9
2.4
10
8
5.1
2.6
10
10
300
CG10.1
1.5
0.8
3
0
1.8
0.9
3
0
2.0
.0
4
0
2.5
1.3
5
0
400
CG10.2
1.6
0.8
4
0
1.8
0.9
4
0
2.1
.0
5
0
2.6
1.3
6
0
500
CG10.3
1.5
0.8
5
0
1.8
0.9
5
0
2.0
.0
6
0
2.5
1.3
8
0
Notice: The settings in this chart are for reference only. The actual conditions
at the installation may require further adjustment
by the fully qualified
and experienced start-up technician.
I 6
6104
BOG10
RoB
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