22
BECKETT AFG BURNER ELECTRODE ADJUSTMENTS VARIABLE (V1) HEADS
BOILER DIMENSION "N" DIMENSION "H"
MODEL (electrode to nozzle) (head to nozzle)
5EW 1/16" 7/32" - 9/32"
DIMENSION "H"
SEE ABOVE
5/32
GAP
5/16 ABOVE
LI or V1 HEAD
DIMENSION "N"
SEE ABOVE
ELECTRODE
NOZZLE
Boiler
Model
Dimension “N”
(electrode to
nozzle)
Dimension “X”
(above nozzle
Center)
Dimension “Z”
(end of air tube
to head)
3 Section
1/16”
5/16”
1-3/4” +/- 1/32”
4/5 Section
1/8”
1/4”
1-3/4” +/- 1/32”
PRELIMINARY BURNER SETTINGS
Figure 14 - Beckett AFG Burner Electrode
Adjustments (V1, L1) Heads
Figure 15 -
Beckett AFG Variable (V1) Head
Adjustments and Settings
BECKETT AFG
BOILER MODEL
BURNER
MODEL
INPUT
RATE
[gph]
INSERTION
DEPTH
DELAVAN OIL
NOZZLE
PUMP
PRESSURE
[psi]
LOW
FIRE
BAFFLE
BURNER
HEAD
HEAD
SETTING
AIR
SHUTTER/
BAND
STATIC
PLATE
UH3KWC0.80(T)
AFG50MBAS
0.80
2-1/4"
0.65-70°W
150
YES
L1
N/A
10/1
3-3/8"
UH4KWC1.00(T)
AFG50MDASN 1.00
2-1/2"
0.85-60°A
140
NO
V1
0
6/1
2-3/4"
UH4KWC1.25(T)
AFG50MDASN 1.25
2-1/2"
1.00-60°W
155
NO
V1
0
10/1
2-3/4"
UH5KWC1.55(T)
AFG50MDASN 1.55
2-1/2"
1.25-60°B
155
NO
V1
2
10/2
2-3/4"
Note: All burners fire at an overfire draft of -0.02 inches w.c. The burner settings provided are for initial startup only.
Final adjustment must be made using combustion test instruments.
7/32” - 9/32”
DIMENSION “X”
SEE ABOVE
“Z” DIMENSION
PN 240013023, Rev. B [12/31/2020]
