Burner Specification & Data sheet — Beckett Oil Burners
3Part No. 550-142-026/0508
Burner data, continuedTable 2
Burner capacities listed for elevations up to 2,000 feet. For1.
higher elevations, consult local Weil-McLain distributor/
agent or sales office.
Light oil ratings based on No. 2 fuel oil with heating value of2.
140,000 Btu per gallon.
Boiler-burner unit to be adjusted to achieve +0.10 inches3.
W.C. pressure at the flue collar, resulting in positive pressure
in firebox as listed.
Control Systems:4.
• LHO: On-offoperation,lowrestart,highrerun.
Two-positionair,two-positionoil.
• LHL: Low-high-low-offringconditions.Two-
positionair,two-positionoil.
120/60/1 control circuit is used for all burners.5.
Combustion Controls:6.
a) Beckett7505P1515/CCcombustioncontroluses
cadmiumcellforamedetectortomonitoroil
burnerame,alsofurnishesintermittentignition.
b) RM7840Mamesafeguardcontrolmonitorstheoil
burnerame,providespre-purgeandpost-purge
programming.Timedlowrestartisprovidedby
meansoftimingbuiltintocontrol.Controlisused
withULon-off(lowrestart)systems.Photocell
electronicamedetectorisstandardwithultraviolet
andinfrareddetectoravailable.
Burners will be completely assembled and wired.7.
Burners listed by Underwriters Laboratories, Inc.,Underwrit-8.
ers Laboratory Canada, State of Connecticut, Fire Marshal
state of Massachusetts, city of New York MEA, and others.
Settings shown are for initial set-up. Final settings should be9.
determined after combustion readings.
Boiler
Model
Number
Oil Nozzle(s) Operating Oil
Pressures
PSIG
Fuel Unit
Burner-Motor Driven
3450 RPM
Preferred nozzles Alternate nozzles
Qty. Size
GPH Brand Type Spray
Angle Qty. Size
GPH Brand Type Spray
Angle Low
Fire High
Fire Type
(Suntec) Nozzle
Capacity
GPH
Gearset
Capacity
GPH
488R 1 4.00 Delavan B 70° None 150 290 B2TA-8851 16 33
488 1 4.00 Delavan B 70° None 150 300 B2TA-8851 16 33
588 1 5.50 Hago P 60° 1 5.50 Delavan B 60° 150 300 B2TA-8851 16 33
688 1 7.00 Delavan B 60° None 150 300 B2GA-8852 23 39
788 1 8.50 Delavan B 60° 1 8.50 Hago P 60° 150 300 J4PA-C1050G 30 46
888 2 5.00 Delavan B 60° 2 5.00 Monarch PLP 45° 300 300 J4PA-C1050G 30 46
988R 2 5.50 Hago P 60° 2 5.50 Delavan B 60° 290 290 J4PA-C1050G 30 46
988 2 5.50 Hago P 60° 2 5.50 Delavan B 60° 300 300 J4PA-C1050G 30 46
1088R 2 6.00 Delavan B 70° 2 6.00 Delavan B 60° 300 300 J4PA-C1050G 30 46
1088 2 6.50 Delavan B 70° 2 6.50 Delavan B 60° 300 300 J4PA-C1050G 30 46
1188 2 7.00 Delavan B 45° 2 7.00 Delavan B 60° 300 300 J4PA-C1050G 30 46
1288 2 7.50 Delavan B 45° 2 7.50 Monarch PLP 45° 300 300 J4PA-C1050G 30 46
1388 2 8.50 Delavan B 60° 2 8.50 Hago P 45° 300 300 J4PA-C1050G 30 46
Notes for Table 1 and Table 2
Burner specifications and settings (continued)
