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Burner Specification & Data sheet — Beckett Oil Burners
Burner specifications and settings
Table 2
Burner data, continued
Boiler
Model
Preferred nozzles
Number
Qty.
Size
Brand
GPH
Delavan
488R
1
4.00
Delavan
488
1
4.00
Hago
588
1
5.50
Delavan
688
1
7.00
Delavan
788
1
8.50
Delavan
888
2
5.00
Hago
988R
2
5.50
Hago
988
2
5.50
Delavan
1088R
2
6.00
Delavan
1088
2
6.50
Delavan
1188
2
7.00
Delavan
1288
2
7.50
Delavan
1388
2
8.50
Notes for Table 1 and Table 2
1.
Burner capacities listed for elevations up to 2,000 feet. For
higher elevations, consult local Weil-McLain distributor/
agent or sales office.
2.
Light oil ratings based on No. 2 fuel oil with heating value of
140,000 Btu per gallon.
3.
Boiler-burner unit to be adjusted to achieve +0.10 inches
W.C. pressure at the flue collar, resulting in positive pressure
in firebox as listed.
4.
Control Systems:
•
LHO: On-off operation, low fire start, high fire run.
Two-position air, two-position oil.
•
LHL: Low-high-low-off firing conditions. Two-
position air, two-position oil.
5.
120/60/1 control circuit is used for all burners.
6.
Combustion Controls:
a) Beckett 7505P1515/CC combustion control uses
Part No. 550-142-026/0508
Oil Nozzle(s)
Alternate nozzles
Type Spray
Qty.
Size
Brand
Angle
GPH
B
70°
B
70°
Delavan
P
60°
1
5.50
B
60°
B
60°
1
8.50
Monarch
B
60°
2
5.00
Delavan
P
60°
2
5.50
Delavan
P
60°
2
5.50
Delavan
B
70°
2
6.00
Delavan
B
70°
2
6.50
Delavan
B
45°
2
7.00
Monarch
B
45°
2
7.50
B
60°
2
8.50
Operating Oil
Pressures
PSIG
Type
Spray
Low
Angle
Fire
None
150
None
150
B
60°
150
None
150
Hago
P
60°
150
PLP
45°
300
B
60°
290
B
60°
300
B
60°
300
B
60°
300
B
60°
300
PLP
45°
300
Hago
P
45°
300
cadmium cell for flame detector to monitor oil
burner flame, also furnishes intermittent ignition.
b)
flame safeguard control monitors the oil
RM7840M
burner flame, provides pre-purge and post-purge
programming. Timed low fire start is provided by
means of timing built into control. Control is used
with UL on-off (low fire start) systems. Photocell
electronic flame detector is standard with ultraviolet
and infrared detector available.
7.
Burners will be completely assembled and wired.
8.
Burners listed by Underwriters Laboratories, Inc., Underwrit-
ers Laboratory Canada, State of Connecticut, Fire Marshal
state of Massachusetts, city of New York MEA, and others.
9.
Settings shown are for initial set-up. Final settings should be
determined after combustion readings.
(continued)
Fuel Unit
Burner-Motor Driven
3450 RPM
High
Type
Nozzle
Fire
(Suntec)
Capacity
GPH
290
B2TA-8851
16
300
B2TA-8851
16
300
B2TA-8851
16
300
B2GA-8852
23
300
J4PA-C1050G
30
300
J4PA-C1050G
30
290
J4PA-C1050G
30
300
J4PA-C1050G
30
300
J4PA-C1050G
30
300
J4PA-C1050G
30
300
J4PA-C1050G
30
300
J4PA-C1050G
30
300
J4PA-C1050G
30
Gearset
Capacity
GPH
33
33
33
39
46
46
46
46
46
46
46
46
46
3
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