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Figure 11. Shutter and Band
SHUTTER
(for low rate adjustments)
adjust this with band fully
CLOSED
(for high rate adjustments)
adjust this with shutter fully
= Tighten locking screws securely after adjustments have been made
Table 2. Initial burner settings
Furnace Pressure
Stepped Spud Head Confi guration
300
CG10.1S
1.0
350
CG10.1S
1.4
400
CG10.2S
1.1
450
CG10.2S
1.4
500
CG10.3S
1.2
550
CG10.3S
1.3
600
CG10.4S
2.5
700
CG10.4S
3.4
800
CG10.5S
3.1
900
CG10.5S
4.0
1000
CG10.6S
3.2
1100
CG10.6S
3.9
1200
CG10.6S
4.6
Spinner Head Confi guration
300
CG10.1
1.5
350
CG10.1
2.0
400
CG10.2
1.6
450
CG10.2
2.0
500
CG10.3
1.5
550
CG10.3
1.9
Notice: The settings in this chart are for reference only. The actual conditions at the installation may require further adjustment by the fully qualifi ed
and experienced start-up technician.
16
BAND INDICATOR MARK
SHUTTER INDICATOR
ADJUSTMENT SCALE
(FOR SHUTTER AND BAND)
AIR BAND
OPEN
0" W.C.
0.25" W.C.
0.5
3
0
1.3
0.7
4
0
1.6
0.5
4
0
1.3
0.7
5
0
1.7
0.6
6
0
1.5
0.7
8
0
1.6
1.3
5
0
2.8
1.7
7
0
3.6
1.6
8
0
3.4
2.0
10
1
4.2
1.6
10
0
3.4
1.9
10
2
4.1
2.3
10
6
4.9
0.8
3
0
1.8
1.0
5
0
2.3
0.8
4
0
1.8
1.0
4
0
2.2
0.8
5
0
1.8
0.9
7
0
2.1
The shutter and band both control the amount of fl ow
area available for air inlet to the burner. The greater their
combined fl ow area, the higher the fi ring rate. The pri-
mary differences between the two are their ease of ad-
justment and their total airfl ow area. The shutter turns
more easily and has a smaller net fl ow 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.
0.50" W.C.
0.6
3
0
1.5
0.8
0.8
4
0
1.9
0.9
0.7
4
0
1.6
0.8
0.8
6
0
1.9
1.0
0.7
7
0
1.7
0.9
0.8
9
0
1.8
0.9
1.4
6
0
3.0
1.5
1.8
9
0
3.9
1.9
1.7
9
0
3.6
1.8
2.1
10
2
4.5
2.2
1.7
10
2
3.7
1.8
2.1
10
4
4.4
2.2
2.4
10
8
5.1
2.6
0.9
3
0
2.0
1.0
1.1
6
0
2.5
1.3
0.9
4
0
2.1
1.0
1.1
4
0
2.5
1.2
0.9
5
0
2.0
1.0
1.1
8
0
2.4
1.2
NOTICE
1.00" W.C.
4
0
2.0
1.0
5
0
2.4
1.2
5
0
2.1
1.0
7
0
2.4
1.2
8
0
2.2
1.1
10
10
0
-
-
7
0
3.5
1.8
10
0
4.4
2.2
10
10
1
4.1
2.1
10
10
4
5.0
2.5
10
10
3
4.2
2.1
10
10
5
4.9
2.4
10
10
10
-
-
4
0
2.5
1.3
8
0
3.0
1.5
10
5
0
2.6
1.3
5
0
3.0
1.5
6
0
2.5
1.3
9
0
2.9
1.4
10
6104 BCG10 R0
6
0
7
0
6
0
9
0
1
-
-
9
0
3
3
6
6
10
-
-
5
0
1
6
0
8
0
8
0
1
8
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