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550-142-026/0508 Burner Specification & Data sheet — Beckett Oil Burners Burner specifications and settings (continued) Table 2 Burner data, continued Boiler Model Number Oil Nozzle(s) Operating Oil Pressures PSIG Fuel Unit Burner-Motor Driven 3450 RPMPreferred 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 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 cadmium cell for flame detector to monitor oil burner flame, also furnishes intermittent ignition. b) RM7840M flame safeguard control monitors the oil 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., Underwriters 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. Part No. 550-142-026/0508 Weil-McLain 88 Water and Steam Boilers — Series 2 — For Gas, Light Oil, & Gas/Light Oil-Fired Burners 4 Part No. 550-142-026/0508 Dimensions in Inches Burn...

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